diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c')
-rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c | 3576 |
1 files changed, 2731 insertions, 845 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c b/src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c index 5d180c2e2f..a253c06f01 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c +++ b/src/3rdparty/pcre2/src/sljit/sljitNativeARM_32.c @@ -34,13 +34,16 @@ SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) { #if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) return "ARMv7" SLJIT_CPUINFO ARM_ABI_INFO; -#elif (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - return "ARMv5" SLJIT_CPUINFO ARM_ABI_INFO; +#elif (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + return "ARMv6" SLJIT_CPUINFO ARM_ABI_INFO; #else #error "Internal error: Unknown ARM architecture" #endif } +/* Length of an instruction word. */ +typedef sljit_u32 sljit_ins; + /* Last register + 1. */ #define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2) #define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3) @@ -55,22 +58,39 @@ SLJIT_API_FUNC_ATTRIBUTE const char* sljit_get_platform_name(void) #define CONST_POOL_EMPTY 0xffffffff #define ALIGN_INSTRUCTION(ptr) \ - (sljit_uw*)(((sljit_uw)(ptr) + (CONST_POOL_ALIGNMENT * sizeof(sljit_uw)) - 1) & ~((CONST_POOL_ALIGNMENT * sizeof(sljit_uw)) - 1)) + (sljit_ins*)(((sljit_ins)(ptr) + (CONST_POOL_ALIGNMENT * sizeof(sljit_ins)) - 1) & ~((CONST_POOL_ALIGNMENT * sizeof(sljit_ins)) - 1)) #define MAX_DIFFERENCE(max_diff) \ - (((max_diff) / (sljit_s32)sizeof(sljit_uw)) - (CONST_POOL_ALIGNMENT - 1)) + (((max_diff) / (sljit_s32)sizeof(sljit_ins)) - (CONST_POOL_ALIGNMENT - 1)) /* See sljit_emit_enter and sljit_emit_op0 if you want to change them. */ static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 5] = { 0, 0, 1, 2, 3, 11, 10, 9, 8, 7, 6, 5, 4, 13, 12, 14, 15 }; -static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { - 0, 0, 1, 2, 3, 4, 5, 6, 7 +static const sljit_u8 freg_map[((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) << 1) + 1] = { + 0, + 0, 1, 2, 3, 4, 5, 15, 14, 13, 12, 11, 10, 9, 8, + 7, 6, + 0, 1, 2, 3, 4, 5, 15, 14, 13, 12, 11, 10, 9, 8, + 7, 6 +}; + +static const sljit_u8 freg_ebit_map[((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 2) << 1) + 1] = { + 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1 }; -#define RM(rm) (reg_map[rm]) -#define RD(rd) (reg_map[rd] << 12) -#define RN(rn) (reg_map[rn] << 16) +#define RM(rm) ((sljit_ins)reg_map[rm]) +#define RM8(rm) ((sljit_ins)reg_map[rm] << 8) +#define RD(rd) ((sljit_ins)reg_map[rd] << 12) +#define RN(rn) ((sljit_ins)reg_map[rn] << 16) + +#define VM(vm) (((sljit_ins)freg_map[vm]) | ((sljit_ins)freg_ebit_map[vm] << 5)) +#define VD(vd) (((sljit_ins)freg_map[vd] << 12) | ((sljit_ins)freg_ebit_map[vd] << 22)) +#define VN(vn) (((sljit_ins)freg_map[vn] << 16) | ((sljit_ins)freg_ebit_map[vn] << 7)) /* --------------------------------------------------------------------- */ /* Instrucion forms */ @@ -87,14 +107,20 @@ static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { #define AND 0xe0000000 #define B 0xea000000 #define BIC 0xe1c00000 +#define BKPT 0xe1200070 #define BL 0xeb000000 #define BLX 0xe12fff30 #define BX 0xe12fff10 #define CLZ 0xe16f0f10 #define CMN 0xe1600000 #define CMP 0xe1400000 -#define BKPT 0xe1200070 #define EOR 0xe0200000 +#define LDR 0xe5100000 +#define LDR_POST 0xe4100000 +#define LDREX 0xe1900f9f +#define LDREXB 0xe1d00f9f +#define LDREXH 0xe1f00f9f +#define MLA 0xe0200090 #define MOV 0xe1a00000 #define MUL 0xe0000090 #define MVN 0xe1e00000 @@ -102,44 +128,89 @@ static const sljit_u8 freg_map[SLJIT_NUMBER_OF_FLOAT_REGISTERS + 3] = { #define ORR 0xe1800000 #define PUSH 0xe92d0000 #define POP 0xe8bd0000 +#define REV 0xe6bf0f30 +#define REV16 0xe6bf0fb0 #define RSB 0xe0600000 #define RSC 0xe0e00000 #define SBC 0xe0c00000 #define SMULL 0xe0c00090 +#define STR 0xe5000000 +#define STREX 0xe1800f90 +#define STREXB 0xe1c00f90 +#define STREXH 0xe1e00f90 #define SUB 0xe0400000 +#define SXTB 0xe6af0070 +#define SXTH 0xe6bf0070 +#define TST 0xe1000000 #define UMULL 0xe0800090 +#define UXTB 0xe6ef0070 +#define UXTH 0xe6ff0070 #define VABS_F32 0xeeb00ac0 #define VADD_F32 0xee300a00 +#define VAND 0xf2000110 #define VCMP_F32 0xeeb40a40 #define VCVT_F32_S32 0xeeb80ac0 +#define VCVT_F32_U32 0xeeb80a40 #define VCVT_F64_F32 0xeeb70ac0 #define VCVT_S32_F32 0xeebd0ac0 #define VDIV_F32 0xee800a00 +#define VDUP 0xee800b10 +#define VDUP_s 0xf3b00c00 +#define VEOR 0xf3000110 +#define VLD1 0xf4200000 +#define VLD1_r 0xf4a00c00 +#define VLD1_s 0xf4a00000 +#define VLDR_F32 0xed100a00 #define VMOV_F32 0xeeb00a40 #define VMOV 0xee000a10 #define VMOV2 0xec400a10 +#define VMOV_i 0xf2800010 +#define VMOV_s 0xee000b10 +#define VMOVN 0xf3b20200 #define VMRS 0xeef1fa10 #define VMUL_F32 0xee200a00 #define VNEG_F32 0xeeb10a40 +#define VORR 0xf2200110 +#define VPOP 0xecbd0b00 +#define VPUSH 0xed2d0b00 +#define VSHLL 0xf2800a10 +#define VSHR 0xf2800010 +#define VSRA 0xf2800110 +#define VST1 0xf4000000 +#define VST1_s 0xf4800000 #define VSTR_F32 0xed000a00 #define VSUB_F32 0xee300a40 #if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) /* Arm v7 specific instructions. */ -#define MOVW 0xe3000000 #define MOVT 0xe3400000 -#define SXTB 0xe6af0070 -#define SXTH 0xe6bf0070 -#define UXTB 0xe6ef0070 -#define UXTH 0xe6ff0070 +#define MOVW 0xe3000000 +#define RBIT 0xe6ff0f30 #endif -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) + +static sljit_s32 function_check_is_freg(struct sljit_compiler *compiler, sljit_s32 fr, sljit_s32 is_32) +{ + if (compiler->scratches == -1) + return 0; + + if (is_32 && fr >= SLJIT_F64_SECOND(SLJIT_FR0)) + fr -= SLJIT_F64_SECOND(0); + + return (fr >= SLJIT_FR0 && fr < (SLJIT_FR0 + compiler->fscratches)) + || (fr > (SLJIT_FS0 - compiler->fsaveds) && fr <= SLJIT_FS0) + || (fr >= SLJIT_TMP_FREGISTER_BASE && fr < (SLJIT_TMP_FREGISTER_BASE + SLJIT_NUMBER_OF_TEMPORARY_FLOAT_REGISTERS)); +} + +#endif /* SLJIT_ARGUMENT_CHECKS */ + +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) static sljit_s32 push_cpool(struct sljit_compiler *compiler) { /* Pushing the constant pool into the instruction stream. */ - sljit_uw* inst; + sljit_ins* inst; sljit_uw* cpool_ptr; sljit_uw* cpool_end; sljit_s32 i; @@ -149,13 +220,13 @@ static sljit_s32 push_cpool(struct sljit_compiler *compiler) compiler->last_label->size += compiler->cpool_fill + (CONST_POOL_ALIGNMENT - 1) + 1; SLJIT_ASSERT(compiler->cpool_fill > 0 && compiler->cpool_fill <= CPOOL_SIZE); - inst = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + inst = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!inst); compiler->size++; *inst = 0xff000000 | compiler->cpool_fill; for (i = 0; i < CONST_POOL_ALIGNMENT - 1; i++) { - inst = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + inst = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!inst); compiler->size++; *inst = 0; @@ -164,7 +235,7 @@ static sljit_s32 push_cpool(struct sljit_compiler *compiler) cpool_ptr = compiler->cpool; cpool_end = cpool_ptr + compiler->cpool_fill; while (cpool_ptr < cpool_end) { - inst = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + inst = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!inst); compiler->size++; *inst = *cpool_ptr++; @@ -174,23 +245,23 @@ static sljit_s32 push_cpool(struct sljit_compiler *compiler) return SLJIT_SUCCESS; } -static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_uw inst) +static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins inst) { - sljit_uw* ptr; + sljit_ins* ptr; if (SLJIT_UNLIKELY(compiler->cpool_diff != CONST_POOL_EMPTY && compiler->size - compiler->cpool_diff >= MAX_DIFFERENCE(4092))) FAIL_IF(push_cpool(compiler)); - ptr = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!ptr); compiler->size++; *ptr = inst; return SLJIT_SUCCESS; } -static sljit_s32 push_inst_with_literal(struct sljit_compiler *compiler, sljit_uw inst, sljit_uw literal) +static sljit_s32 push_inst_with_literal(struct sljit_compiler *compiler, sljit_ins inst, sljit_uw literal) { - sljit_uw* ptr; + sljit_ins* ptr; sljit_uw cpool_index = CPOOL_SIZE; sljit_uw* cpool_ptr; sljit_uw* cpool_end; @@ -204,7 +275,7 @@ static sljit_s32 push_inst_with_literal(struct sljit_compiler *compiler, sljit_u cpool_unique_ptr = compiler->cpool_unique; do { if ((*cpool_ptr == literal) && !(*cpool_unique_ptr)) { - cpool_index = cpool_ptr - compiler->cpool; + cpool_index = (sljit_uw)(cpool_ptr - compiler->cpool); break; } cpool_ptr++; @@ -226,7 +297,7 @@ static sljit_s32 push_inst_with_literal(struct sljit_compiler *compiler, sljit_u } SLJIT_ASSERT((inst & 0xfff) == 0); - ptr = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!ptr); compiler->size++; *ptr = inst | cpool_index; @@ -238,14 +309,15 @@ static sljit_s32 push_inst_with_literal(struct sljit_compiler *compiler, sljit_u return SLJIT_SUCCESS; } -static sljit_s32 push_inst_with_unique_literal(struct sljit_compiler *compiler, sljit_uw inst, sljit_uw literal) +static sljit_s32 push_inst_with_unique_literal(struct sljit_compiler *compiler, sljit_ins inst, sljit_uw literal) { - sljit_uw* ptr; + sljit_ins* ptr; + if (SLJIT_UNLIKELY((compiler->cpool_diff != CONST_POOL_EMPTY && compiler->size - compiler->cpool_diff >= MAX_DIFFERENCE(4092)) || compiler->cpool_fill >= CPOOL_SIZE)) FAIL_IF(push_cpool(compiler)); SLJIT_ASSERT(compiler->cpool_fill < CPOOL_SIZE && (inst & 0xfff) == 0); - ptr = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!ptr); compiler->size++; *ptr = inst | compiler->cpool_fill; @@ -292,8 +364,8 @@ static sljit_uw patch_pc_relative_loads(sljit_uw *last_pc_patch, sljit_uw *code_ while (last_pc_patch < code_ptr) { /* Data transfer instruction with Rn == r15. */ - if ((*last_pc_patch & 0x0c0f0000) == 0x040f0000) { - diff = const_pool - last_pc_patch; + if ((*last_pc_patch & 0x0e0f0000) == 0x040f0000) { + diff = (sljit_uw)(const_pool - last_pc_patch); ind = (*last_pc_patch) & 0xfff; /* Must be a load instruction with immediate offset. */ @@ -308,12 +380,12 @@ static sljit_uw patch_pc_relative_loads(sljit_uw *last_pc_patch, sljit_uw *code_ SLJIT_ASSERT(diff >= 1); if (diff >= 2 || ind > 0) { - diff = (diff + ind - 2) << 2; + diff = (diff + (sljit_uw)ind - 2) << 2; SLJIT_ASSERT(diff <= 0xfff); - *last_pc_patch = (*last_pc_patch & ~0xfff) | diff; + *last_pc_patch = (*last_pc_patch & ~(sljit_uw)0xfff) | diff; } else - *last_pc_patch = (*last_pc_patch & ~(0xfff | (1 << 23))) | 0x004; + *last_pc_patch = (*last_pc_patch & ~(sljit_uw)(0xfff | (1 << 23))) | 0x004; } last_pc_patch++; } @@ -329,24 +401,24 @@ struct future_patch { static sljit_s32 resolve_const_pool_index(struct sljit_compiler *compiler, struct future_patch **first_patch, sljit_uw cpool_current_index, sljit_uw *cpool_start_address, sljit_uw *buf_ptr) { - sljit_s32 value; + sljit_u32 value; struct future_patch *curr_patch, *prev_patch; SLJIT_UNUSED_ARG(compiler); /* Using the values generated by patch_pc_relative_loads. */ if (!*first_patch) - value = (sljit_s32)cpool_start_address[cpool_current_index]; + value = cpool_start_address[cpool_current_index]; else { curr_patch = *first_patch; prev_patch = NULL; while (1) { if (!curr_patch) { - value = (sljit_s32)cpool_start_address[cpool_current_index]; + value = cpool_start_address[cpool_current_index]; break; } if ((sljit_uw)curr_patch->index == cpool_current_index) { - value = curr_patch->value; + value = (sljit_uw)curr_patch->value; if (prev_patch) prev_patch->next = curr_patch->next; else @@ -359,8 +431,8 @@ static sljit_s32 resolve_const_pool_index(struct sljit_compiler *compiler, struc } } - if (value >= 0) { - if ((sljit_uw)value > cpool_current_index) { + if ((sljit_sw)value >= 0) { + if (value > cpool_current_index) { curr_patch = (struct future_patch*)SLJIT_MALLOC(sizeof(struct future_patch), compiler->allocator_data); if (!curr_patch) { while (*first_patch) { @@ -371,8 +443,8 @@ static sljit_s32 resolve_const_pool_index(struct sljit_compiler *compiler, struc return SLJIT_ERR_ALLOC_FAILED; } curr_patch->next = *first_patch; - curr_patch->index = value; - curr_patch->value = cpool_start_address[value]; + curr_patch->index = (sljit_sw)value; + curr_patch->value = (sljit_sw)cpool_start_address[value]; *first_patch = curr_patch; } cpool_start_address[value] = *buf_ptr; @@ -382,11 +454,11 @@ static sljit_s32 resolve_const_pool_index(struct sljit_compiler *compiler, struc #else -static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_uw inst) +static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins inst) { - sljit_uw* ptr; + sljit_ins* ptr; - ptr = (sljit_uw*)ensure_buf(compiler, sizeof(sljit_uw)); + ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); FAIL_IF(!ptr); compiler->size++; *ptr = inst; @@ -395,8 +467,8 @@ static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_uw inst) static SLJIT_INLINE sljit_s32 emit_imm(struct sljit_compiler *compiler, sljit_s32 reg, sljit_sw imm) { - FAIL_IF(push_inst(compiler, MOVW | RD(reg) | ((imm << 4) & 0xf0000) | (imm & 0xfff))); - return push_inst(compiler, MOVT | RD(reg) | ((imm >> 12) & 0xf0000) | ((imm >> 16) & 0xfff)); + FAIL_IF(push_inst(compiler, MOVW | RD(reg) | ((imm << 4) & 0xf0000) | ((sljit_u32)imm & 0xfff))); + return push_inst(compiler, MOVT | RD(reg) | ((imm >> 12) & 0xf0000) | (((sljit_u32)imm >> 16) & 0xfff)); } #endif @@ -408,14 +480,15 @@ static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_uw if (jump->flags & SLJIT_REWRITABLE_JUMP) return 0; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (jump->flags & IS_BL) code_ptr--; +#endif /* SLJIT_CONFIG_ARM_V6 */ if (jump->flags & JUMP_ADDR) diff = ((sljit_sw)jump->u.target - (sljit_sw)(code_ptr + 2) - executable_offset); else { - SLJIT_ASSERT(jump->flags & JUMP_LABEL); + SLJIT_ASSERT(jump->u.label != NULL); diff = ((sljit_sw)(code + jump->u.label->size) - (sljit_sw)(code_ptr + 2)); } @@ -423,6 +496,7 @@ static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_uw if (diff & 0x3) return 0; +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (jump->flags & IS_BL) { if (diff <= 0x01ffffff && diff >= -0x02000000) { *code_ptr = (BL - CONDITIONAL) | (*(code_ptr + 1) & COND_MASK); @@ -436,50 +510,48 @@ static SLJIT_INLINE sljit_s32 detect_jump_type(struct sljit_jump *jump, sljit_uw jump->flags |= PATCH_B; } } -#else - if (jump->flags & JUMP_ADDR) - diff = ((sljit_sw)jump->u.target - (sljit_sw)code_ptr - executable_offset); - else { - SLJIT_ASSERT(jump->flags & JUMP_LABEL); - diff = ((sljit_sw)(code + jump->u.label->size) - (sljit_sw)code_ptr); - } - - /* Branch to Thumb code has not been optimized yet. */ - if (diff & 0x3) - return 0; - +#else /* !SLJIT_CONFIG_ARM_V6 */ if (diff <= 0x01ffffff && diff >= -0x02000000) { - code_ptr -= 2; - *code_ptr = ((jump->flags & IS_BL) ? (BL - CONDITIONAL) : (B - CONDITIONAL)) | (code_ptr[2] & COND_MASK); + *code_ptr = ((jump->flags & IS_BL) ? (BL - CONDITIONAL) : (B - CONDITIONAL)) | (*code_ptr & COND_MASK); jump->flags |= PATCH_B; return 1; } -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ return 0; } -static SLJIT_INLINE void inline_set_jump_addr(sljit_uw jump_ptr, sljit_sw executable_offset, sljit_uw new_addr, sljit_s32 flush_cache) +static void set_jump_addr(sljit_uw jump_ptr, sljit_sw executable_offset, sljit_uw new_addr, sljit_s32 flush_cache) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - sljit_uw *ptr = (sljit_uw *)jump_ptr; - sljit_uw *inst = (sljit_uw *)ptr[0]; - sljit_uw mov_pc = ptr[1]; +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + sljit_ins *ptr = (sljit_ins*)jump_ptr; + sljit_ins *inst = (sljit_ins*)ptr[0]; + sljit_ins mov_pc = ptr[1]; sljit_s32 bl = (mov_pc & 0x0000f000) != RD(TMP_PC); sljit_sw diff = (sljit_sw)(((sljit_sw)new_addr - (sljit_sw)(inst + 2) - executable_offset) >> 2); + SLJIT_UNUSED_ARG(executable_offset); + if (diff <= 0x7fffff && diff >= -0x800000) { /* Turn to branch. */ if (!bl) { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0); + } inst[0] = (mov_pc & COND_MASK) | (B - CONDITIONAL) | (diff & 0xffffff); if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 1); } } else { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0); + } inst[0] = (mov_pc & COND_MASK) | (BL - CONDITIONAL) | (diff & 0xffffff); inst[1] = NOP; if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 2); } } @@ -491,49 +563,83 @@ static SLJIT_INLINE void inline_set_jump_addr(sljit_uw jump_ptr, sljit_sw execut ptr = inst + 1; if (*inst != mov_pc) { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + (!bl ? 1 : 2), 0); + } inst[0] = mov_pc; if (!bl) { if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 1); } } else { inst[1] = BLX | RM(TMP_REG1); if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 2); } } } + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 0); + } + *ptr = new_addr; + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 1); + } } -#else - sljit_uw *inst = (sljit_uw*)jump_ptr; +#else /* !SLJIT_CONFIG_ARM_V6 */ + sljit_ins *inst = (sljit_ins*)jump_ptr; + + SLJIT_UNUSED_ARG(executable_offset); + SLJIT_ASSERT((inst[0] & 0xfff00000) == MOVW && (inst[1] & 0xfff00000) == MOVT); + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0); + } + inst[0] = MOVW | (inst[0] & 0xf000) | ((new_addr << 4) & 0xf0000) | (new_addr & 0xfff); inst[1] = MOVT | (inst[1] & 0xf000) | ((new_addr >> 12) & 0xf0000) | ((new_addr >> 16) & 0xfff); + if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 2); } -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ } static sljit_uw get_imm(sljit_uw imm); +static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_uw imm); +static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 tmp_reg); -static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_offset, sljit_sw new_constant, sljit_s32 flush_cache) +static void set_const_value(sljit_uw addr, sljit_sw executable_offset, sljit_uw new_constant, sljit_s32 flush_cache) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - sljit_uw *ptr = (sljit_uw*)addr; - sljit_uw *inst = (sljit_uw*)ptr[0]; +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + sljit_ins *ptr = (sljit_ins*)addr; + sljit_ins *inst = (sljit_ins*)ptr[0]; sljit_uw ldr_literal = ptr[1]; sljit_uw src2; + SLJIT_UNUSED_ARG(executable_offset); + src2 = get_imm(new_constant); if (src2) { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0); + } + *inst = 0xe3a00000 | (ldr_literal & 0xf000) | src2; + if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 1); } return; @@ -541,9 +647,15 @@ static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_off src2 = get_imm(~new_constant); if (src2) { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0); + } + *inst = 0xe3e00000 | (ldr_literal & 0xf000) | src2; + if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 1); } return; @@ -555,105 +667,223 @@ static SLJIT_INLINE void inline_set_const(sljit_uw addr, sljit_sw executable_off ptr = inst + 1; if (*inst != ldr_literal) { + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 0); + } + *inst = ldr_literal; + if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 1, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 1); } } + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 0); + } + *ptr = new_constant; -#else - sljit_uw *inst = (sljit_uw*)addr; + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(ptr, ptr + 1, 1); + } +#else /* !SLJIT_CONFIG_ARM_V6 */ + sljit_ins *inst = (sljit_ins*)addr; + + SLJIT_UNUSED_ARG(executable_offset); + SLJIT_ASSERT((inst[0] & 0xfff00000) == MOVW && (inst[1] & 0xfff00000) == MOVT); + + if (flush_cache) { + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 0); + } + inst[0] = MOVW | (inst[0] & 0xf000) | ((new_constant << 4) & 0xf0000) | (new_constant & 0xfff); inst[1] = MOVT | (inst[1] & 0xf000) | ((new_constant >> 12) & 0xf0000) | ((new_constant >> 16) & 0xfff); + if (flush_cache) { - inst = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_UPDATE_WX_FLAGS(inst, inst + 2, 1); + inst = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 2); } -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ +} + +static SLJIT_INLINE sljit_sw mov_addr_get_length(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code, sljit_sw executable_offset) +{ + sljit_uw addr; + sljit_sw diff; + SLJIT_UNUSED_ARG(executable_offset); + + if (jump->flags & JUMP_ADDR) + addr = jump->u.target; + else + addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code + jump->u.label->size, executable_offset); + + /* The pc+8 offset is represented by the 2 * SSIZE_OF(ins) below. */ + diff = (sljit_sw)addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + + if ((diff & 0x3) == 0 && diff <= (0x3fc + 2 * SSIZE_OF(ins)) && diff >= (-0x3fc + 2 * SSIZE_OF(ins))) { + jump->flags |= PATCH_B; + return 0; + } + +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + return 0; +#else /* !SLJIT_CONFIG_ARM_V6 */ + return 1; +#endif /* SLJIT_CONFIG_ARM_V6 */ +} + +#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) + +static void reduce_code_size(struct sljit_compiler *compiler) +{ + struct sljit_label *label; + struct sljit_jump *jump; + struct sljit_const *const_; + SLJIT_NEXT_DEFINE_TYPES; + sljit_uw total_size; + sljit_uw size_reduce = 0; + sljit_sw diff; + + label = compiler->labels; + jump = compiler->jumps; + const_ = compiler->consts; + SLJIT_NEXT_INIT_TYPES(); + + while (1) { + SLJIT_GET_NEXT_MIN(); + + if (next_min_addr == SLJIT_MAX_ADDRESS) + break; + + if (next_min_addr == next_label_size) { + label->size -= size_reduce; + + label = label->next; + next_label_size = SLJIT_GET_NEXT_SIZE(label); + } + + if (next_min_addr == next_const_addr) { + const_->addr -= size_reduce; + const_ = const_->next; + next_const_addr = SLJIT_GET_NEXT_ADDRESS(const_); + continue; + } + + if (next_min_addr != next_jump_addr) + continue; + + jump->addr -= size_reduce; + if (!(jump->flags & JUMP_MOV_ADDR)) { + total_size = JUMP_MAX_SIZE - 1; + + if (!(jump->flags & (SLJIT_REWRITABLE_JUMP | JUMP_ADDR))) { + /* Unit size: instruction. */ + diff = (sljit_sw)jump->u.label->size - (sljit_sw)jump->addr - 2; + + if (diff <= (0x01ffffff / SSIZE_OF(ins)) && diff >= (-0x02000000 / SSIZE_OF(ins))) + total_size = 1 - 1; + } + + size_reduce += JUMP_MAX_SIZE - 1 - total_size; + } else { + /* Real size minus 1. Unit size: instruction. */ + total_size = 1; + + if (!(jump->flags & JUMP_ADDR)) { + diff = (sljit_sw)jump->u.label->size - (sljit_sw)jump->addr; + if (diff <= 0xff + 2 && diff >= -0xff + 2) + total_size = 0; + } + + size_reduce += 1 - total_size; + } + + jump->flags |= total_size << JUMP_SIZE_SHIFT; + jump = jump->next; + next_jump_addr = SLJIT_GET_NEXT_ADDRESS(jump); + } + + compiler->size -= size_reduce; } -SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) +#endif /* SLJIT_CONFIG_ARM_V7 */ + +SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler, sljit_s32 options, void *exec_allocator_data) { struct sljit_memory_fragment *buf; - sljit_uw *code; - sljit_uw *code_ptr; - sljit_uw *buf_ptr; - sljit_uw *buf_end; - sljit_uw size; + sljit_ins *code; + sljit_ins *code_ptr; + sljit_ins *buf_ptr; + sljit_ins *buf_end; sljit_uw word_count; - sljit_uw next_addr; + SLJIT_NEXT_DEFINE_TYPES; sljit_sw executable_offset; - sljit_sw addr; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) + sljit_uw addr; + sljit_sw diff; +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) sljit_uw cpool_size; sljit_uw cpool_skip_alignment; sljit_uw cpool_current_index; - sljit_uw *cpool_start_address; - sljit_uw *last_pc_patch; + sljit_ins *cpool_start_address; + sljit_ins *last_pc_patch; struct future_patch *first_patch; #endif struct sljit_label *label; struct sljit_jump *jump; struct sljit_const *const_; - struct sljit_put_label *put_label; CHECK_ERROR_PTR(); CHECK_PTR(check_sljit_generate_code(compiler)); - reverse_buf(compiler); /* Second code generation pass. */ -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - size = compiler->size + (compiler->patches << 1); +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + compiler->size += (compiler->patches << 1); if (compiler->cpool_fill > 0) - size += compiler->cpool_fill + CONST_POOL_ALIGNMENT - 1; -#else - size = compiler->size; -#endif - code = (sljit_uw*)SLJIT_MALLOC_EXEC(size * sizeof(sljit_uw)); + compiler->size += compiler->cpool_fill + CONST_POOL_ALIGNMENT - 1; +#else /* !SLJIT_CONFIG_ARM_V6 */ + reduce_code_size(compiler); +#endif /* SLJIT_CONFIG_ARM_V6 */ + code = (sljit_ins*)allocate_executable_memory(compiler->size * sizeof(sljit_ins), options, exec_allocator_data, &executable_offset); PTR_FAIL_WITH_EXEC_IF(code); + + reverse_buf(compiler); buf = compiler->buf; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) cpool_size = 0; cpool_skip_alignment = 0; cpool_current_index = 0; cpool_start_address = NULL; first_patch = NULL; last_pc_patch = code; -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ code_ptr = code; word_count = 0; - next_addr = 1; - executable_offset = SLJIT_EXEC_OFFSET(code); - label = compiler->labels; jump = compiler->jumps; const_ = compiler->consts; - put_label = compiler->put_labels; - - if (label && label->size == 0) { - label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); - label = label->next; - } + SLJIT_NEXT_INIT_TYPES(); + SLJIT_GET_NEXT_MIN(); do { - buf_ptr = (sljit_uw*)buf->memory; + buf_ptr = (sljit_ins*)buf->memory; buf_end = buf_ptr + (buf->used_size >> 2); do { - word_count++; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (cpool_size > 0) { if (cpool_skip_alignment > 0) { buf_ptr++; cpool_skip_alignment--; - } - else { + } else { if (SLJIT_UNLIKELY(resolve_const_pool_index(compiler, &first_patch, cpool_current_index, cpool_start_address, buf_ptr))) { - SLJIT_FREE_EXEC(code); + SLJIT_FREE_EXEC(code, exec_allocator_data); compiler->error = SLJIT_ERR_ALLOC_FAILED; return NULL; } @@ -661,64 +891,63 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil if (++cpool_current_index >= cpool_size) { SLJIT_ASSERT(!first_patch); cpool_size = 0; - if (label && label->size == word_count) { - /* Points after the current instruction. */ - label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); - label->size = code_ptr - code; - label = label->next; - - next_addr = compute_next_addr(label, jump, const_, put_label); - } } } - } - else if ((*buf_ptr & 0xff000000) != PUSH_POOL) { -#endif + } else if ((*buf_ptr & 0xff000000) != PUSH_POOL) { +#endif /* SLJIT_CONFIG_ARM_V6 */ *code_ptr = *buf_ptr++; - if (next_addr == word_count) { + if (next_min_addr == word_count) { SLJIT_ASSERT(!label || label->size >= word_count); SLJIT_ASSERT(!jump || jump->addr >= word_count); SLJIT_ASSERT(!const_ || const_->addr >= word_count); - SLJIT_ASSERT(!put_label || put_label->addr >= word_count); - - /* These structures are ordered by their address. */ - if (jump && jump->addr == word_count) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - if (detect_jump_type(jump, code_ptr, code, executable_offset)) - code_ptr--; - jump->addr = (sljit_uw)code_ptr; -#else - jump->addr = (sljit_uw)(code_ptr - 2); - if (detect_jump_type(jump, code_ptr, code, executable_offset)) - code_ptr -= 2; -#endif - jump = jump->next; - } - if (label && label->size == word_count) { - /* code_ptr can be affected above. */ - label->addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr + 1, executable_offset); - label->size = (code_ptr + 1) - code; + + if (next_min_addr == next_label_size) { + label->u.addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + label->size = (sljit_uw)(code_ptr - code); label = label->next; + next_label_size = SLJIT_GET_NEXT_SIZE(label); } - if (const_ && const_->addr == word_count) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) + + /* These structures are ordered by their address. */ + if (next_min_addr == next_jump_addr) { + if (!(jump->flags & JUMP_MOV_ADDR)) { +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + if (detect_jump_type(jump, code_ptr, code, executable_offset)) + code_ptr--; + jump->addr = (sljit_uw)code_ptr; +#else /* !SLJIT_CONFIG_ARM_V6 */ + word_count += jump->flags >> JUMP_SIZE_SHIFT; + jump->addr = (sljit_uw)code_ptr; + if (!detect_jump_type(jump, code_ptr, code, executable_offset)) { + code_ptr[2] = code_ptr[0]; + addr = ((code_ptr[0] & 0xf) << 12); + code_ptr[0] = MOVW | addr; + code_ptr[1] = MOVT | addr; + code_ptr += 2; + } + SLJIT_ASSERT((sljit_uw)code_ptr - jump->addr <= (jump->flags >> JUMP_SIZE_SHIFT) * sizeof(sljit_ins)); +#endif /* SLJIT_CONFIG_ARM_V6 */ + } else { +#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) + word_count += jump->flags >> JUMP_SIZE_SHIFT; +#endif /* SLJIT_CONFIG_ARM_V7 */ + addr = (sljit_uw)code_ptr; + code_ptr += mov_addr_get_length(jump, code_ptr, code, executable_offset); + jump->addr = addr; + } + jump = jump->next; + next_jump_addr = SLJIT_GET_NEXT_ADDRESS(jump); + } else if (next_min_addr == next_const_addr) { const_->addr = (sljit_uw)code_ptr; -#else - const_->addr = (sljit_uw)(code_ptr - 1); -#endif const_ = const_->next; + next_const_addr = SLJIT_GET_NEXT_ADDRESS(const_); } - if (put_label && put_label->addr == word_count) { - SLJIT_ASSERT(put_label->label); - put_label->addr = (sljit_uw)code_ptr; - put_label = put_label->next; - } - next_addr = compute_next_addr(label, jump, const_, put_label); + + SLJIT_GET_NEXT_MIN(); } code_ptr++; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - } - else { +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + } else { /* Fortunately, no need to shift. */ cpool_size = *buf_ptr++ & ~PUSH_POOL; SLJIT_ASSERT(cpool_size > 0); @@ -726,37 +955,43 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil cpool_current_index = patch_pc_relative_loads(last_pc_patch, code_ptr, cpool_start_address, cpool_size); if (cpool_current_index > 0) { /* Unconditional branch. */ - *code_ptr = B | (((cpool_start_address - code_ptr) + cpool_current_index - 2) & ~PUSH_POOL); - code_ptr = cpool_start_address + cpool_current_index; + *code_ptr = B | (((sljit_ins)(cpool_start_address - code_ptr) + cpool_current_index - 2) & ~PUSH_POOL); + code_ptr = (sljit_ins*)(cpool_start_address + cpool_current_index); } cpool_skip_alignment = CONST_POOL_ALIGNMENT - 1; cpool_current_index = 0; last_pc_patch = code_ptr; } -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ + word_count++; } while (buf_ptr < buf_end); buf = buf->next; } while (buf); + if (label && label->size == word_count) { + label->u.addr = (sljit_uw)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + label->size = (sljit_uw)(code_ptr - code); + label = label->next; + } + SLJIT_ASSERT(!label); SLJIT_ASSERT(!jump); SLJIT_ASSERT(!const_); - SLJIT_ASSERT(!put_label); -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) SLJIT_ASSERT(cpool_size == 0); if (compiler->cpool_fill > 0) { cpool_start_address = ALIGN_INSTRUCTION(code_ptr); cpool_current_index = patch_pc_relative_loads(last_pc_patch, code_ptr, cpool_start_address, compiler->cpool_fill); if (cpool_current_index > 0) - code_ptr = cpool_start_address + cpool_current_index; + code_ptr = (sljit_ins*)(cpool_start_address + cpool_current_index); buf_ptr = compiler->cpool; buf_end = buf_ptr + compiler->cpool_fill; cpool_current_index = 0; while (buf_ptr < buf_end) { if (SLJIT_UNLIKELY(resolve_const_pool_index(compiler, &first_patch, cpool_current_index, cpool_start_address, buf_ptr))) { - SLJIT_FREE_EXEC(code); + SLJIT_FREE_EXEC(code, exec_allocator_data); compiler->error = SLJIT_ERR_ALLOC_FAILED; return NULL; } @@ -769,93 +1004,98 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compil jump = compiler->jumps; while (jump) { - buf_ptr = (sljit_uw *)jump->addr; + addr = (jump->flags & JUMP_ADDR) ? jump->u.target : jump->u.label->u.addr; + buf_ptr = (sljit_ins*)jump->addr; + + if (jump->flags & JUMP_MOV_ADDR) { +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + SLJIT_ASSERT((buf_ptr[0] & (sljit_ins)0xffff0000) == 0xe59f0000); +#else /* !SLJIT_CONFIG_ARM_V6 */ + SLJIT_ASSERT((buf_ptr[0] & ~(sljit_ins)0xf000) == 0); +#endif /* SLJIT_CONFIG_ARM_V6 */ + + if (jump->flags & PATCH_B) { + SLJIT_ASSERT((((sljit_sw)addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset)) & 0x3) == 0); + diff = ((sljit_sw)addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset)) >> 2; + + SLJIT_ASSERT(diff <= 0xff && diff >= -0xff); + + addr = ADD; + if (diff < 0) { + diff = -diff; + addr = SUB; + } - if (jump->flags & PATCH_B) { - addr = (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset); - if (!(jump->flags & JUMP_ADDR)) { - SLJIT_ASSERT(jump->flags & JUMP_LABEL); - SLJIT_ASSERT(((sljit_sw)jump->u.label->addr - addr) <= 0x01ffffff && ((sljit_sw)jump->u.label->addr - addr) >= -0x02000000); - *buf_ptr |= (((sljit_sw)jump->u.label->addr - addr) >> 2) & 0x00ffffff; - } - else { - SLJIT_ASSERT(((sljit_sw)jump->u.target - addr) <= 0x01ffffff && ((sljit_sw)jump->u.target - addr) >= -0x02000000); - *buf_ptr |= (((sljit_sw)jump->u.target - addr) >> 2) & 0x00ffffff; + buf_ptr[0] = addr | (buf_ptr[0] & 0xf000) | RN(TMP_PC) | (1 << 25) | (0xf << 8) | (sljit_ins)(diff & 0xff); + } else { +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + buf_ptr[((buf_ptr[0] & 0xfff) >> 2) + 2] = addr; +#else /* !SLJIT_CONFIG_ARM_V6 */ + buf_ptr[1] = MOVT | buf_ptr[0] | ((addr >> 12) & 0xf0000) | ((addr >> 16) & 0xfff); + buf_ptr[0] = MOVW | buf_ptr[0] | ((addr << 4) & 0xf0000) | (addr & 0xfff); +#endif /* SLJIT_CONFIG_ARM_V6 */ } - } - else if (jump->flags & SLJIT_REWRITABLE_JUMP) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - jump->addr = (sljit_uw)code_ptr; - code_ptr[0] = (sljit_uw)buf_ptr; - code_ptr[1] = *buf_ptr; - inline_set_jump_addr((sljit_uw)code_ptr, executable_offset, (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target, 0); - code_ptr += 2; -#else - inline_set_jump_addr((sljit_uw)buf_ptr, executable_offset, (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target, 0); -#endif - } - else { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) + } else if (jump->flags & PATCH_B) { + diff = (sljit_sw)addr - (sljit_sw)SLJIT_ADD_EXEC_OFFSET(buf_ptr + 2, executable_offset); + SLJIT_ASSERT(diff <= 0x01ffffff && diff >= -0x02000000); + *buf_ptr |= (diff >> 2) & 0x00ffffff; + } else { +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (jump->flags & IS_BL) buf_ptr--; - if (*buf_ptr & (1 << 23)) - buf_ptr += ((*buf_ptr & 0xfff) >> 2) + 2; - else - buf_ptr += 1; - *buf_ptr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; -#else - inline_set_jump_addr((sljit_uw)buf_ptr, executable_offset, (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target, 0); -#endif + + if (jump->flags & SLJIT_REWRITABLE_JUMP) { + jump->addr = (sljit_uw)code_ptr; + code_ptr[0] = (sljit_ins)buf_ptr; + code_ptr[1] = *buf_ptr; + set_jump_addr((sljit_uw)code_ptr, executable_offset, addr, 0); + code_ptr += 2; + } else { + if (*buf_ptr & (1 << 23)) + buf_ptr += ((*buf_ptr & 0xfff) >> 2) + 2; + else + buf_ptr += 1; + *buf_ptr = addr; + } +#else /* !SLJIT_CONFIG_ARM_V6 */ + set_jump_addr((sljit_uw)buf_ptr, executable_offset, addr, 0); +#endif /* SLJIT_CONFIG_ARM_V6 */ } + jump = jump->next; } -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) const_ = compiler->consts; while (const_) { - buf_ptr = (sljit_uw*)const_->addr; + buf_ptr = (sljit_ins*)const_->addr; const_->addr = (sljit_uw)code_ptr; - code_ptr[0] = (sljit_uw)buf_ptr; + code_ptr[0] = (sljit_ins)buf_ptr; code_ptr[1] = *buf_ptr; if (*buf_ptr & (1 << 23)) buf_ptr += ((*buf_ptr & 0xfff) >> 2) + 2; else buf_ptr += 1; /* Set the value again (can be a simple constant). */ - inline_set_const((sljit_uw)code_ptr, executable_offset, *buf_ptr, 0); + set_const_value((sljit_uw)code_ptr, executable_offset, *buf_ptr, 0); code_ptr += 2; const_ = const_->next; } -#endif - - put_label = compiler->put_labels; - while (put_label) { - addr = put_label->label->addr; - buf_ptr = (sljit_uw*)put_label->addr; - -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - SLJIT_ASSERT((buf_ptr[0] & 0xffff0000) == 0xe59f0000); - buf_ptr[((buf_ptr[0] & 0xfff) >> 2) + 2] = addr; -#else - SLJIT_ASSERT((buf_ptr[-1] & 0xfff00000) == MOVW && (buf_ptr[0] & 0xfff00000) == MOVT); - buf_ptr[-1] |= ((addr << 4) & 0xf0000) | (addr & 0xfff); - buf_ptr[0] |= ((addr >> 12) & 0xf0000) | ((addr >> 16) & 0xfff); -#endif - put_label = put_label->next; - } +#endif /* SLJIT_CONFIG_ARM_V6 */ - SLJIT_ASSERT(code_ptr - code <= (sljit_s32)size); + SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size); compiler->error = SLJIT_ERR_COMPILED; compiler->executable_offset = executable_offset; - compiler->executable_size = (code_ptr - code) * sizeof(sljit_uw); + compiler->executable_size = (sljit_uw)(code_ptr - code) * sizeof(sljit_uw); - code = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); - code_ptr = (sljit_uw *)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); + code = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(code, executable_offset); + code_ptr = (sljit_ins*)SLJIT_ADD_EXEC_OFFSET(code_ptr, executable_offset); SLJIT_CACHE_FLUSH(code, code_ptr); + SLJIT_UPDATE_WX_FLAGS(code, code_ptr, 1); return code; } @@ -863,20 +1103,43 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) { switch (feature_type) { case SLJIT_HAS_FPU: + case SLJIT_HAS_F64_AS_F32_PAIR: #ifdef SLJIT_IS_FPU_AVAILABLE - return SLJIT_IS_FPU_AVAILABLE; + return (SLJIT_IS_FPU_AVAILABLE) != 0; #else /* Available by default. */ return 1; -#endif +#endif /* SLJIT_IS_FPU_AVAILABLE */ + case SLJIT_HAS_SIMD: +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + return 0; +#else +#ifdef SLJIT_IS_FPU_AVAILABLE + return (SLJIT_IS_FPU_AVAILABLE) != 0; +#else + /* Available by default. */ + return 1; +#endif /* SLJIT_IS_FPU_AVAILABLE */ +#endif /* SLJIT_CONFIG_ARM_V6 */ + case SLJIT_SIMD_REGS_ARE_PAIRS: case SLJIT_HAS_CLZ: + case SLJIT_HAS_ROT: case SLJIT_HAS_CMOV: -#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) + case SLJIT_HAS_REV: case SLJIT_HAS_PREFETCH: -#endif + case SLJIT_HAS_COPY_F32: + case SLJIT_HAS_COPY_F64: + case SLJIT_HAS_ATOMIC: return 1; + case SLJIT_HAS_CTZ: +#if defined(SLJIT_CONFIG_ARM_V6) && SLJIT_CONFIG_ARM_V6 + return 2; +#else + return 1; +#endif /* SLJIT_CONFIG_ARM_V6 */ + default: return 0; } @@ -895,16 +1158,18 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_has_cpu_feature(sljit_s32 feature_type) #define LOAD_DATA 0x08 /* Flag bits for emit_op. */ -#define ALLOW_IMM 0x10 -#define ALLOW_INV_IMM 0x20 -#define ALLOW_ANY_IMM (ALLOW_IMM | ALLOW_INV_IMM) +#define ALLOW_IMM 0x10 +#define ALLOW_INV_IMM 0x20 +#define ALLOW_ANY_IMM (ALLOW_IMM | ALLOW_INV_IMM) +#define ALLOW_NEG_IMM 0x40 +#define ALLOW_DOUBLE_IMM 0x80 /* s/l - store/load (1 bit) u/s - signed/unsigned (1 bit) w/b/h/N - word/byte/half/NOT allowed (2 bit) Storing signed and unsigned values are the same operations. */ -static const sljit_uw data_transfer_insts[16] = { +static const sljit_ins data_transfer_insts[16] = { /* s u w */ 0xe5000000 /* str */, /* s u b */ 0xe5400000 /* strb */, /* s u h */ 0xe10000b0 /* strh */, @@ -925,7 +1190,7 @@ static const sljit_uw data_transfer_insts[16] = { }; #define EMIT_DATA_TRANSFER(type, add, target_reg, base_reg, arg) \ - (data_transfer_insts[(type) & 0xf] | ((add) << 23) | RD(target_reg) | RN(base_reg) | (arg)) + (data_transfer_insts[(type) & 0xf] | ((add) << 23) | RD(target_reg) | RN(base_reg) | (sljit_ins)(arg)) /* Normal ldr/str instruction. Type2: ldrsb, ldrh, ldrsh */ @@ -934,6 +1199,26 @@ static const sljit_uw data_transfer_insts[16] = { #define TYPE2_TRANSFER_IMM(imm) \ (((imm) & 0xf) | (((imm) & 0xf0) << 4) | (1 << 22)) +#define EMIT_FPU_OPERATION(opcode, mode, dst, src1, src2) \ + ((sljit_ins)(opcode) | (sljit_ins)(mode) | VD(dst) | VM(src1) | VN(src2)) + +/* Flags for emit_op: */ + /* Arguments are swapped. */ +#define ARGS_SWAPPED 0x01 + /* Inverted immediate. */ +#define INV_IMM 0x02 + /* Source and destination is register. */ +#define REGISTER_OP 0x04 + /* Unused return value. */ +#define UNUSED_RETURN 0x08 +/* SET_FLAGS must be (1 << 20) as it is also the value of S bit (can be used for optimization). */ +#define SET_FLAGS (1 << 20) +/* dst: reg + src1: reg + src2: reg or imm (if allowed) + SRC2_IMM must be (1 << 25) as it is also the value of I bit (can be used for optimization). */ +#define SRC2_IMM (1 << 25) + static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 inp_flags, sljit_s32 dst, sljit_sw dstw, sljit_s32 src1, sljit_sw src1w, @@ -943,41 +1228,164 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compi sljit_s32 options, sljit_s32 arg_types, sljit_s32 scratches, sljit_s32 saveds, sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size) { - sljit_s32 args, size, i, tmp; - sljit_uw push; + sljit_uw imm, offset; + sljit_s32 i, tmp, size, word_arg_count; + sljit_s32 saved_arg_count = SLJIT_KEPT_SAVEDS_COUNT(options); +#ifdef __SOFTFP__ + sljit_u32 float_arg_count; +#else + sljit_u32 old_offset, f32_offset; + sljit_u32 remap[3]; + sljit_u32 *remap_ptr = remap; +#endif CHECK_ERROR(); CHECK(check_sljit_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); set_emit_enter(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); - /* Push saved registers, temporary registers - stmdb sp!, {..., lr} */ - push = PUSH | (1 << 14); + imm = 0; - tmp = saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - saveds) : SLJIT_FIRST_SAVED_REG; - for (i = SLJIT_S0; i >= tmp; i--) - push |= 1 << reg_map[i]; + tmp = SLJIT_S0 - saveds; + for (i = SLJIT_S0 - saved_arg_count; i > tmp; i--) + imm |= (sljit_uw)1 << reg_map[i]; for (i = scratches; i >= SLJIT_FIRST_SAVED_REG; i--) - push |= 1 << reg_map[i]; + imm |= (sljit_uw)1 << reg_map[i]; + + SLJIT_ASSERT(reg_map[TMP_REG2] == 14); - FAIL_IF(push_inst(compiler, push)); + /* Push saved and temporary registers + multiple registers: stmdb sp!, {..., lr} + single register: str reg, [sp, #-4]! */ + if (imm != 0) + FAIL_IF(push_inst(compiler, PUSH | (1 << 14) | imm)); + else + FAIL_IF(push_inst(compiler, 0xe52d0004 | RD(TMP_REG2))); /* Stack must be aligned to 8 bytes: */ - size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1); - local_size = ((size + local_size + 7) & ~7) - size; + size = GET_SAVED_REGISTERS_SIZE(scratches, saveds - saved_arg_count, 1); + + if (fsaveds > 0 || fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) { + if ((size & SSIZE_OF(sw)) != 0) { + FAIL_IF(push_inst(compiler, SUB | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | sizeof(sljit_sw))); + size += SSIZE_OF(sw); + } + + if (fsaveds + fscratches >= SLJIT_NUMBER_OF_FLOAT_REGISTERS) { + FAIL_IF(push_inst(compiler, VPUSH | VD(SLJIT_FS0) | ((sljit_ins)SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS << 1))); + } else { + if (fsaveds > 0) + FAIL_IF(push_inst(compiler, VPUSH | VD(SLJIT_FS0) | ((sljit_ins)fsaveds << 1))); + if (fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) + FAIL_IF(push_inst(compiler, VPUSH | VD(fscratches) | ((sljit_ins)(fscratches - (SLJIT_FIRST_SAVED_FLOAT_REG - 1)) << 1))); + } + } + + local_size = ((size + local_size + 0x7) & ~0x7) - size; compiler->local_size = local_size; - if (local_size > 0) - FAIL_IF(emit_op(compiler, SLJIT_SUB, ALLOW_IMM, SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, local_size)); - args = get_arg_count(arg_types); + if (options & SLJIT_ENTER_REG_ARG) + arg_types = 0; + + arg_types >>= SLJIT_ARG_SHIFT; + word_arg_count = 0; + saved_arg_count = 0; +#ifdef __SOFTFP__ + SLJIT_COMPILE_ASSERT(SLJIT_FR0 == 1, float_register_index_start); + + offset = 0; + float_arg_count = 0; + + while (arg_types) { + switch (arg_types & SLJIT_ARG_MASK) { + case SLJIT_ARG_TYPE_F64: + if (offset & 0x7) + offset += sizeof(sljit_sw); + + if (offset < 4 * sizeof(sljit_sw)) + FAIL_IF(push_inst(compiler, VMOV2 | (offset << 10) | ((offset + sizeof(sljit_sw)) << 14) | float_arg_count)); + else + FAIL_IF(push_inst(compiler, VLDR_F32 | 0x800100 | RN(SLJIT_SP) + | (float_arg_count << 12) | ((offset + (sljit_ins)size - 4 * sizeof(sljit_sw)) >> 2))); + float_arg_count++; + offset += sizeof(sljit_f64) - sizeof(sljit_sw); + break; + case SLJIT_ARG_TYPE_F32: + if (offset < 4 * sizeof(sljit_sw)) + FAIL_IF(push_inst(compiler, VMOV | (float_arg_count << 16) | (offset << 10))); + else + FAIL_IF(push_inst(compiler, VLDR_F32 | 0x800000 | RN(SLJIT_SP) + | (float_arg_count << 12) | ((offset + (sljit_ins)size - 4 * sizeof(sljit_sw)) >> 2))); + float_arg_count++; + break; + default: + word_arg_count++; + + if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) { + tmp = SLJIT_S0 - saved_arg_count; + saved_arg_count++; + } else if (word_arg_count - 1 != (sljit_s32)(offset >> 2)) + tmp = word_arg_count; + else + break; + + if (offset < 4 * sizeof(sljit_sw)) + FAIL_IF(push_inst(compiler, MOV | RD(tmp) | (offset >> 2))); + else + FAIL_IF(push_inst(compiler, LDR | 0x800000 | RN(SLJIT_SP) | RD(tmp) | (offset + (sljit_ins)size - 4 * sizeof(sljit_sw)))); + break; + } + + offset += sizeof(sljit_sw); + arg_types >>= SLJIT_ARG_SHIFT; + } + + compiler->args_size = offset; +#else + offset = SLJIT_FR0; + old_offset = SLJIT_FR0; + f32_offset = 0; + + while (arg_types) { + switch (arg_types & SLJIT_ARG_MASK) { + case SLJIT_ARG_TYPE_F64: + if (offset != old_offset) + *remap_ptr++ = EMIT_FPU_OPERATION(VMOV_F32, SLJIT_32, offset, old_offset, 0); + old_offset++; + offset++; + break; + case SLJIT_ARG_TYPE_F32: + if (f32_offset != 0) { + *remap_ptr++ = EMIT_FPU_OPERATION(VMOV_F32, 0x20, offset, f32_offset, 0); + f32_offset = 0; + } else { + if (offset != old_offset) + *remap_ptr++ = EMIT_FPU_OPERATION(VMOV_F32, 0, offset, old_offset, 0); + f32_offset = old_offset; + old_offset++; + } + offset++; + break; + default: + if (!(arg_types & SLJIT_ARG_TYPE_SCRATCH_REG)) { + FAIL_IF(push_inst(compiler, MOV | RD(SLJIT_S0 - saved_arg_count) | RM(SLJIT_R0 + word_arg_count))); + saved_arg_count++; + } + + word_arg_count++; + break; + } + arg_types >>= SLJIT_ARG_SHIFT; + } + + SLJIT_ASSERT((sljit_uw)(remap_ptr - remap) <= sizeof(remap)); - if (args >= 1) - FAIL_IF(push_inst(compiler, MOV | RD(SLJIT_S0) | RM(SLJIT_R0))); - if (args >= 2) - FAIL_IF(push_inst(compiler, MOV | RD(SLJIT_S1) | RM(SLJIT_R1))); - if (args >= 3) - FAIL_IF(push_inst(compiler, MOV | RD(SLJIT_S2) | RM(SLJIT_R2))); + while (remap_ptr > remap) + FAIL_IF(push_inst(compiler, *(--remap_ptr))); +#endif + + if (local_size > 0) + FAIL_IF(emit_op(compiler, SLJIT_SUB, ALLOW_IMM | ALLOW_DOUBLE_IMM, SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, local_size)); return SLJIT_SUCCESS; } @@ -992,77 +1400,203 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *comp CHECK(check_sljit_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size)); set_set_context(compiler, options, arg_types, scratches, saveds, fscratches, fsaveds, local_size); - size = GET_SAVED_REGISTERS_SIZE(scratches, saveds, 1); - compiler->local_size = ((size + local_size + 7) & ~7) - size; + size = GET_SAVED_REGISTERS_SIZE(scratches, saveds - SLJIT_KEPT_SAVEDS_COUNT(options), 1); + + /* Doubles are saved, so alignment is unaffected. */ + if ((size & SSIZE_OF(sw)) != 0 && (fsaveds > 0 || fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG)) + size += SSIZE_OF(sw); + + compiler->local_size = ((size + local_size + 0x7) & ~0x7) - size; return SLJIT_SUCCESS; } -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) +static sljit_s32 emit_add_sp(struct sljit_compiler *compiler, sljit_uw imm) { - sljit_s32 i, tmp; - sljit_uw pop; + sljit_uw imm2 = get_imm(imm); - CHECK_ERROR(); - CHECK(check_sljit_emit_return(compiler, op, src, srcw)); + if (imm2 == 0) + return emit_op(compiler, SLJIT_ADD, ALLOW_IMM | ALLOW_DOUBLE_IMM, SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, (sljit_sw)imm); + + return push_inst(compiler, ADD | RD(SLJIT_SP) | RN(SLJIT_SP) | imm2); +} - FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); +static sljit_s32 emit_stack_frame_release(struct sljit_compiler *compiler, sljit_s32 frame_size) +{ + sljit_s32 local_size, fscratches, fsaveds, i, tmp; + sljit_s32 restored_reg = 0; + sljit_s32 lr_dst = TMP_PC; + sljit_uw reg_list = 0; - if (compiler->local_size > 0) - FAIL_IF(emit_op(compiler, SLJIT_ADD, ALLOW_IMM, SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, compiler->local_size)); + SLJIT_ASSERT(reg_map[TMP_REG2] == 14 && frame_size <= 128); - /* Push saved registers, temporary registers - ldmia sp!, {..., pc} */ - pop = POP | (1 << 15); + local_size = compiler->local_size; + fscratches = compiler->fscratches; + fsaveds = compiler->fsaveds; - tmp = compiler->saveds < SLJIT_NUMBER_OF_SAVED_REGISTERS ? (SLJIT_S0 + 1 - compiler->saveds) : SLJIT_FIRST_SAVED_REG; - for (i = SLJIT_S0; i >= tmp; i--) - pop |= 1 << reg_map[i]; + if (fsaveds > 0 || fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) { + if (local_size > 0) + FAIL_IF(emit_add_sp(compiler, (sljit_uw)local_size)); - for (i = compiler->scratches; i >= SLJIT_FIRST_SAVED_REG; i--) - pop |= 1 << reg_map[i]; + if (fsaveds + fscratches >= SLJIT_NUMBER_OF_FLOAT_REGISTERS) { + FAIL_IF(push_inst(compiler, VPOP | VD(SLJIT_FS0) | ((sljit_ins)SLJIT_NUMBER_OF_SAVED_FLOAT_REGISTERS << 1))); + } else { + if (fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) + FAIL_IF(push_inst(compiler, VPOP | VD(fscratches) | ((sljit_ins)(fscratches - (SLJIT_FIRST_SAVED_FLOAT_REG - 1)) << 1))); + if (fsaveds > 0) + FAIL_IF(push_inst(compiler, VPOP | VD(SLJIT_FS0) | ((sljit_ins)fsaveds << 1))); + } + + local_size = GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds, 1) & 0x7; + } + + if (frame_size < 0) { + lr_dst = TMP_REG2; + frame_size = 0; + } else if (frame_size > 0) { + SLJIT_ASSERT(frame_size == 1 || (frame_size & 0x7) == 0); + lr_dst = 0; + frame_size &= ~0x7; + } + + if (lr_dst != 0) + reg_list |= (sljit_uw)1 << reg_map[lr_dst]; + + tmp = SLJIT_S0 - compiler->saveds; + i = SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options); + if (tmp < i) { + restored_reg = i; + do { + reg_list |= (sljit_uw)1 << reg_map[i]; + } while (--i > tmp); + } + + i = compiler->scratches; + if (i >= SLJIT_FIRST_SAVED_REG) { + restored_reg = i; + do { + reg_list |= (sljit_uw)1 << reg_map[i]; + } while (--i >= SLJIT_FIRST_SAVED_REG); + } - return push_inst(compiler, pop); + if (lr_dst == TMP_REG2 && reg_list == 0) { + restored_reg = TMP_REG2; + lr_dst = 0; + } + + if (lr_dst == 0 && (reg_list & (reg_list - 1)) == 0) { + /* The local_size does not include the saved registers. */ + tmp = 0; + if (reg_list != 0) { + tmp = 2; + if (local_size <= 0xfff) { + if (local_size == 0) { + SLJIT_ASSERT(restored_reg != TMP_REG2); + if (frame_size == 0) + return push_inst(compiler, LDR_POST | RN(SLJIT_SP) | RD(restored_reg) | 0x800008); + if (frame_size > 2 * SSIZE_OF(sw)) + return push_inst(compiler, LDR_POST | RN(SLJIT_SP) | RD(restored_reg) | (sljit_ins)(frame_size - (2 * SSIZE_OF(sw)))); + } + + FAIL_IF(push_inst(compiler, LDR | 0x800000 | RN(SLJIT_SP) | RD(restored_reg) | (sljit_ins)local_size)); + tmp = 1; + } else if (frame_size == 0) { + frame_size = (restored_reg == TMP_REG2) ? SSIZE_OF(sw) : 2 * SSIZE_OF(sw); + tmp = 3; + } + + /* Place for the saved register. */ + if (restored_reg != TMP_REG2) + local_size += SSIZE_OF(sw); + } + + /* Place for the lr register. */ + local_size += SSIZE_OF(sw); + + if (frame_size > local_size) + FAIL_IF(push_inst(compiler, SUB | RD(SLJIT_SP) | RN(SLJIT_SP) | (1 << 25) | (sljit_ins)(frame_size - local_size))); + else if (frame_size < local_size) + FAIL_IF(emit_add_sp(compiler, (sljit_uw)(local_size - frame_size))); + + if (tmp <= 1) + return SLJIT_SUCCESS; + + if (tmp == 2) { + frame_size -= SSIZE_OF(sw); + if (restored_reg != TMP_REG2) + frame_size -= SSIZE_OF(sw); + + return push_inst(compiler, LDR | 0x800000 | RN(SLJIT_SP) | RD(restored_reg) | (sljit_ins)frame_size); + } + + tmp = (restored_reg == TMP_REG2) ? 0x800004 : 0x800008; + return push_inst(compiler, LDR_POST | RN(SLJIT_SP) | RD(restored_reg) | (sljit_ins)tmp); + } + + if (local_size > 0) + FAIL_IF(emit_add_sp(compiler, (sljit_uw)local_size)); + + /* Pop saved and temporary registers + multiple registers: ldmia sp!, {...} + single register: ldr reg, [sp], #4 */ + if ((reg_list & (reg_list - 1)) == 0) { + SLJIT_ASSERT(lr_dst != 0); + SLJIT_ASSERT(reg_list == (sljit_uw)1 << reg_map[lr_dst]); + + return push_inst(compiler, LDR_POST | RN(SLJIT_SP) | RD(lr_dst) | 0x800004); + } + + FAIL_IF(push_inst(compiler, POP | reg_list)); + + if (frame_size > 0) + return push_inst(compiler, SUB | RD(SLJIT_SP) | RN(SLJIT_SP) | (1 << 25) | ((sljit_ins)frame_size - sizeof(sljit_sw))); + + if (lr_dst != 0) + return SLJIT_SUCCESS; + + return push_inst(compiler, ADD | RD(SLJIT_SP) | RN(SLJIT_SP) | (1 << 25) | sizeof(sljit_sw)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_void(struct sljit_compiler *compiler) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_return_void(compiler)); + + return emit_stack_frame_release(compiler, 0); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return_to(struct sljit_compiler *compiler, + sljit_s32 src, sljit_sw srcw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_return_to(compiler, src, srcw)); + + if (src & SLJIT_MEM) { + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); + src = TMP_REG1; + srcw = 0; + } else if (src >= SLJIT_FIRST_SAVED_REG && src <= (SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options))) { + FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | RM(src))); + src = TMP_REG1; + srcw = 0; + } + + FAIL_IF(emit_stack_frame_release(compiler, 1)); + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_ijump(compiler, SLJIT_JUMP, src, srcw); } /* --------------------------------------------------------------------- */ /* Operators */ /* --------------------------------------------------------------------- */ -/* flags: */ - /* Arguments are swapped. */ -#define ARGS_SWAPPED 0x01 - /* Inverted immediate. */ -#define INV_IMM 0x02 - /* Source and destination is register. */ -#define MOVE_REG_CONV 0x04 - /* Unused return value. */ -#define UNUSED_RETURN 0x08 -/* SET_FLAGS must be (1 << 20) as it is also the value of S bit (can be used for optimization). */ -#define SET_FLAGS (1 << 20) -/* dst: reg - src1: reg - src2: reg or imm (if allowed) - SRC2_IMM must be (1 << 25) as it is also the value of I bit (can be used for optimization). */ -#define SRC2_IMM (1 << 25) - -#define EMIT_SHIFT_INS_AND_RETURN(opcode) \ - SLJIT_ASSERT(!(flags & INV_IMM) && !(src2 & SRC2_IMM)); \ - if (compiler->shift_imm != 0x20) { \ - SLJIT_ASSERT(src1 == TMP_REG1); \ - SLJIT_ASSERT(!(flags & ARGS_SWAPPED)); \ - \ - if (compiler->shift_imm != 0) \ - return push_inst(compiler, MOV | (flags & SET_FLAGS) | \ - RD(dst) | (compiler->shift_imm << 7) | (opcode << 5) | RM(src2)); \ - return push_inst(compiler, MOV | (flags & SET_FLAGS) | RD(dst) | RM(src2)); \ - } \ - return push_inst(compiler, MOV | (flags & SET_FLAGS) | RD(dst) | \ - (reg_map[(flags & ARGS_SWAPPED) ? src1 : src2] << 8) | (opcode << 5) | 0x10 | RM((flags & ARGS_SWAPPED) ? src2 : src1)); - static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, - sljit_s32 dst, sljit_s32 src1, sljit_s32 src2) + sljit_uw dst, sljit_uw src1, sljit_uw src2) { - switch (GET_OPCODE(op)) { + sljit_s32 reg, is_masked; + sljit_uw shift_type; + + switch (op) { case SLJIT_MOV: SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & ARGS_SWAPPED)); if (dst != src2) { @@ -1076,17 +1610,10 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_MOV_U8: case SLJIT_MOV_S8: SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & ARGS_SWAPPED)); - if (flags & MOVE_REG_CONV) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - if (op == SLJIT_MOV_U8) - return push_inst(compiler, AND | RD(dst) | RN(src2) | SRC2_IMM | 0xff); - FAIL_IF(push_inst(compiler, MOV | RD(dst) | (24 << 7) | RM(src2))); - return push_inst(compiler, MOV | RD(dst) | (24 << 7) | (op == SLJIT_MOV_U8 ? 0x20 : 0x40) | RM(dst)); -#else + if (flags & REGISTER_OP) return push_inst(compiler, (op == SLJIT_MOV_U8 ? UXTB : SXTB) | RD(dst) | RM(src2)); -#endif - } - else if (dst != src2) { + + if (dst != src2) { SLJIT_ASSERT(src2 & SRC2_IMM); return push_inst(compiler, ((flags & INV_IMM) ? MVN : MOV) | RD(dst) | src2); } @@ -1095,35 +1622,51 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_MOV_U16: case SLJIT_MOV_S16: SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & ARGS_SWAPPED)); - if (flags & MOVE_REG_CONV) { -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - FAIL_IF(push_inst(compiler, MOV | RD(dst) | (16 << 7) | RM(src2))); - return push_inst(compiler, MOV | RD(dst) | (16 << 7) | (op == SLJIT_MOV_U16 ? 0x20 : 0x40) | RM(dst)); -#else + if (flags & REGISTER_OP) return push_inst(compiler, (op == SLJIT_MOV_U16 ? UXTH : SXTH) | RD(dst) | RM(src2)); -#endif - } - else if (dst != src2) { + + if (dst != src2) { SLJIT_ASSERT(src2 & SRC2_IMM); return push_inst(compiler, ((flags & INV_IMM) ? MVN : MOV) | RD(dst) | src2); } return SLJIT_SUCCESS; - case SLJIT_NOT: - if (src2 & SRC2_IMM) { - return push_inst(compiler, ((flags & INV_IMM) ? MOV : MVN) | (flags & SET_FLAGS) | RD(dst) | src2); - } - return push_inst(compiler, MVN | (flags & SET_FLAGS) | RD(dst) | RM(src2)); - case SLJIT_CLZ: - SLJIT_ASSERT(!(flags & INV_IMM)); - SLJIT_ASSERT(!(src2 & SRC2_IMM)); + SLJIT_ASSERT(!(flags & INV_IMM) && !(src2 & SRC2_IMM)); FAIL_IF(push_inst(compiler, CLZ | RD(dst) | RM(src2))); return SLJIT_SUCCESS; + case SLJIT_CTZ: + SLJIT_ASSERT(!(flags & INV_IMM) && !(src2 & SRC2_IMM)); + SLJIT_ASSERT(src1 == TMP_REG1 && src2 != TMP_REG2 && !(flags & ARGS_SWAPPED)); +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + FAIL_IF(push_inst(compiler, RSB | SRC2_IMM | RD(TMP_REG2) | RN(src2) | 0)); + FAIL_IF(push_inst(compiler, AND | RD(TMP_REG1) | RN(src2) | RM(TMP_REG2))); + FAIL_IF(push_inst(compiler, CLZ | RD(dst) | RM(TMP_REG1))); + FAIL_IF(push_inst(compiler, CMP | SET_FLAGS | SRC2_IMM | RN(dst) | 32)); + return push_inst(compiler, (EOR ^ 0xf0000000) | SRC2_IMM | RD(dst) | RN(dst) | 0x1f); +#else /* !SLJIT_CONFIG_ARM_V6 */ + FAIL_IF(push_inst(compiler, RBIT | RD(dst) | RM(src2))); + return push_inst(compiler, CLZ | RD(dst) | RM(dst)); +#endif /* SLJIT_CONFIG_ARM_V6 */ + + case SLJIT_REV: + case SLJIT_REV_U32: + case SLJIT_REV_S32: + SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & ARGS_SWAPPED)); + return push_inst(compiler, REV | RD(dst) | RM(src2)); + + case SLJIT_REV_U16: + case SLJIT_REV_S16: + SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & ARGS_SWAPPED)); + FAIL_IF(push_inst(compiler, REV16 | RD(dst) | RM(src2))); + if (!(flags & REGISTER_OP)) + return SLJIT_SUCCESS; + return push_inst(compiler, (op == SLJIT_REV_U16 ? UXTH : SXTH) | RD(dst) | RM(dst)); case SLJIT_ADD: SLJIT_ASSERT(!(flags & INV_IMM)); - if ((flags & (UNUSED_RETURN | SET_FLAGS)) == (UNUSED_RETURN | SET_FLAGS) && !(flags & ARGS_SWAPPED)) + + if ((flags & (UNUSED_RETURN | ARGS_SWAPPED)) == UNUSED_RETURN) return push_inst(compiler, CMN | SET_FLAGS | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); return push_inst(compiler, ADD | (flags & SET_FLAGS) | RD(dst) | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); @@ -1133,8 +1676,10 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_SUB: SLJIT_ASSERT(!(flags & INV_IMM)); - if ((flags & (UNUSED_RETURN | SET_FLAGS)) == (UNUSED_RETURN | SET_FLAGS) && !(flags & ARGS_SWAPPED)) + + if ((flags & (UNUSED_RETURN | ARGS_SWAPPED)) == UNUSED_RETURN) return push_inst(compiler, CMP | SET_FLAGS | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); + return push_inst(compiler, (!(flags & ARGS_SWAPPED) ? SUB : RSB) | (flags & SET_FLAGS) | RD(dst) | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); @@ -1146,16 +1691,20 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_MUL: SLJIT_ASSERT(!(flags & INV_IMM)); SLJIT_ASSERT(!(src2 & SRC2_IMM)); + compiler->status_flags_state = 0; - if (!HAS_FLAGS(op)) - return push_inst(compiler, MUL | (reg_map[dst] << 16) | (reg_map[src2] << 8) | reg_map[src1]); + if (!(flags & SET_FLAGS)) + return push_inst(compiler, MUL | RN(dst) | RM8(src2) | RM(src1)); - FAIL_IF(push_inst(compiler, SMULL | (reg_map[TMP_REG1] << 16) | (reg_map[dst] << 12) | (reg_map[src2] << 8) | reg_map[src1])); + reg = dst == TMP_REG1 ? TMP_REG2 : TMP_REG1; + FAIL_IF(push_inst(compiler, SMULL | RN(reg) | RD(dst) | RM8(src2) | RM(src1))); /* cmp TMP_REG1, dst asr #31. */ - return push_inst(compiler, CMP | SET_FLAGS | RN(TMP_REG1) | RM(dst) | 0xfc0); + return push_inst(compiler, CMP | SET_FLAGS | RN(reg) | RM(dst) | 0xfc0); case SLJIT_AND: + if ((flags & (UNUSED_RETURN | INV_IMM)) == UNUSED_RETURN) + return push_inst(compiler, TST | SET_FLAGS | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); return push_inst(compiler, (!(flags & INV_IMM) ? AND : BIC) | (flags & SET_FLAGS) | RD(dst) | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); @@ -1164,21 +1713,71 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl return push_inst(compiler, ORR | (flags & SET_FLAGS) | RD(dst) | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); case SLJIT_XOR: - SLJIT_ASSERT(!(flags & INV_IMM)); + if (flags & INV_IMM) { + SLJIT_ASSERT(src2 == SRC2_IMM); + return push_inst(compiler, MVN | (flags & SET_FLAGS) | RD(dst) | RM(src1)); + } return push_inst(compiler, EOR | (flags & SET_FLAGS) | RD(dst) | RN(src1) | ((src2 & SRC2_IMM) ? src2 : RM(src2))); case SLJIT_SHL: - EMIT_SHIFT_INS_AND_RETURN(0); + case SLJIT_MSHL: + shift_type = 0; + is_masked = op == SLJIT_MSHL; + break; case SLJIT_LSHR: - EMIT_SHIFT_INS_AND_RETURN(1); + case SLJIT_MLSHR: + shift_type = 1; + is_masked = op == SLJIT_MLSHR; + break; case SLJIT_ASHR: - EMIT_SHIFT_INS_AND_RETURN(2); + case SLJIT_MASHR: + shift_type = 2; + is_masked = op == SLJIT_MASHR; + break; + + case SLJIT_ROTL: + if (compiler->shift_imm == 0x20) { + FAIL_IF(push_inst(compiler, RSB | SRC2_IMM | RD(TMP_REG2) | RN(src2) | 0)); + src2 = TMP_REG2; + } else + compiler->shift_imm = (sljit_uw)(-(sljit_sw)compiler->shift_imm) & 0x1f; + /* fallthrough */ + + case SLJIT_ROTR: + shift_type = 3; + is_masked = 0; + break; + + case SLJIT_MULADD: + return push_inst(compiler, MLA | RN(dst) | RD(dst) | RM8(src2) | RM(src1)); + + default: + SLJIT_UNREACHABLE(); + return SLJIT_SUCCESS; } - SLJIT_UNREACHABLE(); - return SLJIT_SUCCESS; + SLJIT_ASSERT(!(flags & ARGS_SWAPPED) && !(flags & INV_IMM) && !(src2 & SRC2_IMM)); + + if (compiler->shift_imm != 0x20) { + SLJIT_ASSERT(src1 == TMP_REG1); + + if (compiler->shift_imm != 0) + return push_inst(compiler, MOV | (flags & SET_FLAGS) | + RD(dst) | (compiler->shift_imm << 7) | (shift_type << 5) | RM(src2)); + return push_inst(compiler, MOV | (flags & SET_FLAGS) | RD(dst) | RM(src2)); + } + + SLJIT_ASSERT(src1 != TMP_REG2); + + if (is_masked) { + FAIL_IF(push_inst(compiler, AND | RD(TMP_REG2) | RN(src2) | SRC2_IMM | 0x1f)); + src2 = TMP_REG2; + } + + return push_inst(compiler, MOV | (flags & SET_FLAGS) | RD(dst) + | RM8(src2) | (sljit_ins)(shift_type << 5) | 0x10 | RM(src1)); } #undef EMIT_SHIFT_INS_AND_RETURN @@ -1187,7 +1786,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl Returns with 0 if not possible. */ static sljit_uw get_imm(sljit_uw imm) { - sljit_s32 rol; + sljit_u32 rol; if (imm <= 0xff) return SRC2_IMM | imm; @@ -1195,8 +1794,7 @@ static sljit_uw get_imm(sljit_uw imm) if (!(imm & 0xff000000)) { imm <<= 8; rol = 8; - } - else { + } else { imm = (imm << 24) | (imm >> 8); rol = 0; } @@ -1218,22 +1816,19 @@ static sljit_uw get_imm(sljit_uw imm) if (!(imm & 0x00ffffff)) return SRC2_IMM | (imm >> 24) | (rol << 8); - else - return 0; + return 0; } -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) -static sljit_s32 generate_int(struct sljit_compiler *compiler, sljit_s32 reg, sljit_uw imm, sljit_s32 positive) +static sljit_uw compute_imm(sljit_uw imm, sljit_uw* imm2) { sljit_uw mask; sljit_uw imm1; - sljit_uw imm2; - sljit_s32 rol; + sljit_uw rol; /* Step1: Search a zero byte (8 continous zero bit). */ mask = 0xff000000; rol = 8; - while(1) { + while (1) { if (!(imm & mask)) { /* Rol imm by rol. */ imm = (imm << rol) | (imm >> (32 - rol)); @@ -1241,6 +1836,7 @@ static sljit_s32 generate_int(struct sljit_compiler *compiler, sljit_s32 reg, sl rol = 4 + (rol >> 1); break; } + rol += 2; mask >>= 2; if (mask & 0x3) { @@ -1270,9 +1866,8 @@ static sljit_s32 generate_int(struct sljit_compiler *compiler, sljit_s32 reg, sl if (!(imm & 0xff000000)) { imm1 = SRC2_IMM | ((imm >> 16) & 0xff) | (((rol + 4) & 0xf) << 8); - imm2 = SRC2_IMM | ((imm >> 8) & 0xff) | (((rol + 8) & 0xf) << 8); - } - else if (imm & 0xc0000000) { + *imm2 = SRC2_IMM | ((imm >> 8) & 0xff) | (((rol + 8) & 0xf) << 8); + } else if (imm & 0xc0000000) { imm1 = SRC2_IMM | ((imm >> 24) & 0xff) | ((rol & 0xf) << 8); imm <<= 8; rol += 4; @@ -1293,11 +1888,10 @@ static sljit_s32 generate_int(struct sljit_compiler *compiler, sljit_s32 reg, sl } if (!(imm & 0x00ffffff)) - imm2 = SRC2_IMM | (imm >> 24) | ((rol & 0xf) << 8); + *imm2 = SRC2_IMM | (imm >> 24) | ((rol & 0xf) << 8); else return 0; - } - else { + } else { if (!(imm & 0xf0000000)) { imm <<= 4; rol += 2; @@ -1323,25 +1917,23 @@ static sljit_s32 generate_int(struct sljit_compiler *compiler, sljit_s32 reg, sl } if (!(imm & 0x00ffffff)) - imm2 = SRC2_IMM | (imm >> 24) | ((rol & 0xf) << 8); + *imm2 = SRC2_IMM | (imm >> 24) | ((rol & 0xf) << 8); else return 0; } - FAIL_IF(push_inst(compiler, (positive ? MOV : MVN) | RD(reg) | imm1)); - FAIL_IF(push_inst(compiler, (positive ? ORR : BIC) | RD(reg) | RN(reg) | imm2)); - return 1; + return imm1; } -#endif static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, sljit_uw imm) { sljit_uw tmp; - -#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) - if (!(imm & ~0xffff)) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + sljit_uw imm1, imm2; +#else /* !SLJIT_CONFIG_ARM_V6 */ + if (!(imm & ~(sljit_uw)0xffff)) return push_inst(compiler, MOVW | RD(reg) | ((imm << 4) & 0xf0000) | (imm & 0xfff)); -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ /* Create imm by 1 inst. */ tmp = get_imm(imm); @@ -1352,42 +1944,56 @@ static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 reg, if (tmp) return push_inst(compiler, MVN | RD(reg) | tmp); -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) /* Create imm by 2 inst. */ - FAIL_IF(generate_int(compiler, reg, imm, 1)); - FAIL_IF(generate_int(compiler, reg, ~imm, 0)); + imm1 = compute_imm(imm, &imm2); + if (imm1 != 0) { + FAIL_IF(push_inst(compiler, MOV | RD(reg) | imm1)); + return push_inst(compiler, ORR | RD(reg) | RN(reg) | imm2); + } + + imm1 = compute_imm(~imm, &imm2); + if (imm1 != 0) { + FAIL_IF(push_inst(compiler, MVN | RD(reg) | imm1)); + return push_inst(compiler, BIC | RD(reg) | RN(reg) | imm2); + } /* Load integer. */ return push_inst_with_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, reg, TMP_PC, 0), imm); -#else +#else /* !SLJIT_CONFIG_ARM_V6 */ FAIL_IF(push_inst(compiler, MOVW | RD(reg) | ((imm << 4) & 0xf0000) | (imm & 0xfff))); if (imm <= 0xffff) return SLJIT_SUCCESS; return push_inst(compiler, MOVT | RD(reg) | ((imm >> 12) & 0xf0000) | ((imm >> 16) & 0xfff)); -#endif +#endif /* SLJIT_CONFIG_ARM_V6 */ } -static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, +static sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 tmp_reg) { - sljit_uw imm, offset_reg; - sljit_uw is_type1_transfer = IS_TYPE1_TRANSFER(flags); + sljit_uw imm, offset_reg, tmp; + sljit_sw mask = IS_TYPE1_TRANSFER(flags) ? 0xfff : 0xff; + sljit_sw sign = IS_TYPE1_TRANSFER(flags) ? 0x1000 : 0x100; - SLJIT_ASSERT (arg & SLJIT_MEM); - SLJIT_ASSERT((arg & REG_MASK) != tmp_reg); + SLJIT_ASSERT(arg & SLJIT_MEM); + SLJIT_ASSERT((arg & REG_MASK) != tmp_reg || (arg == SLJIT_MEM1(tmp_reg) && argw >= -mask && argw <= mask)); - if ((arg & REG_MASK) == SLJIT_UNUSED) { - if (is_type1_transfer) { - FAIL_IF(load_immediate(compiler, tmp_reg, argw & ~0xfff)); - argw &= 0xfff; - } - else { - FAIL_IF(load_immediate(compiler, tmp_reg, argw & ~0xff)); - argw &= 0xff; + if (SLJIT_UNLIKELY(!(arg & REG_MASK))) { + tmp = (sljit_uw)(argw & (sign | mask)); + tmp = (sljit_uw)((argw + (tmp <= (sljit_uw)sign ? 0 : sign)) & ~mask); + + FAIL_IF(load_immediate(compiler, tmp_reg, tmp)); + + argw -= (sljit_sw)tmp; + tmp = 1; + + if (argw < 0) { + argw = -argw; + tmp = 0; } - return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, tmp_reg, - is_type1_transfer ? argw : TYPE2_TRANSFER_IMM(argw))); + return push_inst(compiler, EMIT_DATA_TRANSFER(flags, tmp, reg, tmp_reg, + (mask == 0xff) ? TYPE2_TRANSFER_IMM(argw) : argw)); } if (arg & OFFS_REG_MASK) { @@ -1395,72 +2001,62 @@ static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit arg &= REG_MASK; argw &= 0x3; - if (argw != 0 && !is_type1_transfer) { - FAIL_IF(push_inst(compiler, ADD | RD(tmp_reg) | RN(arg) | RM(offset_reg) | (argw << 7))); + if (argw != 0 && (mask == 0xff)) { + FAIL_IF(push_inst(compiler, ADD | RD(tmp_reg) | RN(arg) | RM(offset_reg) | ((sljit_ins)argw << 7))); return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, tmp_reg, TYPE2_TRANSFER_IMM(0))); } /* Bit 25: RM is offset. */ return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, arg, - RM(offset_reg) | (is_type1_transfer ? (1 << 25) : 0) | (argw << 7))); + RM(offset_reg) | (mask == 0xff ? 0 : (1 << 25)) | ((sljit_ins)argw << 7))); } arg &= REG_MASK; - if (is_type1_transfer) { - if (argw > 0xfff) { - imm = get_imm(argw & ~0xfff); - if (imm) { - FAIL_IF(push_inst(compiler, ADD | RD(tmp_reg) | RN(arg) | imm)); - argw = argw & 0xfff; - arg = tmp_reg; - } - } - else if (argw < -0xfff) { - imm = get_imm(-argw & ~0xfff); - if (imm) { - FAIL_IF(push_inst(compiler, SUB | RD(tmp_reg) | RN(arg) | imm)); - argw = -(-argw & 0xfff); - arg = tmp_reg; - } + if (argw > mask) { + tmp = (sljit_uw)(argw & (sign | mask)); + tmp = (sljit_uw)((argw + (tmp <= (sljit_uw)sign ? 0 : sign)) & ~mask); + imm = get_imm(tmp); + + if (imm) { + FAIL_IF(push_inst(compiler, ADD | RD(tmp_reg) | RN(arg) | imm)); + argw -= (sljit_sw)tmp; + arg = tmp_reg; + + SLJIT_ASSERT(argw >= -mask && argw <= mask); } + } else if (argw < -mask) { + tmp = (sljit_uw)(-argw & (sign | mask)); + tmp = (sljit_uw)((-argw + (tmp <= (sljit_uw)sign ? 0 : sign)) & ~mask); + imm = get_imm(tmp); - if (argw >= 0 && argw <= 0xfff) - return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, arg, argw)); + if (imm) { + FAIL_IF(push_inst(compiler, SUB | RD(tmp_reg) | RN(arg) | imm)); + argw += (sljit_sw)tmp; + arg = tmp_reg; - if (argw < 0 && argw >= -0xfff) - return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 0, reg, arg, -argw)); - } - else { - if (argw > 0xff) { - imm = get_imm(argw & ~0xff); - if (imm) { - FAIL_IF(push_inst(compiler, ADD | RD(tmp_reg) | RN(arg) | imm)); - argw = argw & 0xff; - arg = tmp_reg; - } + SLJIT_ASSERT(argw >= -mask && argw <= mask); } - else if (argw < -0xff) { - imm = get_imm(-argw & ~0xff); - if (imm) { - FAIL_IF(push_inst(compiler, SUB | RD(tmp_reg) | RN(arg) | imm)); - argw = -(-argw & 0xff); - arg = tmp_reg; - } + } + + if (argw <= mask && argw >= -mask) { + if (argw >= 0) { + if (mask == 0xff) + argw = TYPE2_TRANSFER_IMM(argw); + return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, arg, argw)); } - if (argw >= 0 && argw <= 0xff) - return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, arg, TYPE2_TRANSFER_IMM(argw))); + argw = -argw; - if (argw < 0 && argw >= -0xff) { - argw = -argw; - return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 0, reg, arg, TYPE2_TRANSFER_IMM(argw))); - } + if (mask == 0xff) + argw = TYPE2_TRANSFER_IMM(argw); + + return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 0, reg, arg, argw)); } - FAIL_IF(load_immediate(compiler, tmp_reg, argw)); + FAIL_IF(load_immediate(compiler, tmp_reg, (sljit_uw)argw)); return push_inst(compiler, EMIT_DATA_TRANSFER(flags, 1, reg, arg, - RM(tmp_reg) | (is_type1_transfer ? (1 << 25) : 0))); + RM(tmp_reg) | (mask == 0xff ? 0 : (1 << 25)))); } static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 inp_flags, @@ -1474,59 +2070,81 @@ static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s3 /* We prefers register and simple consts. */ sljit_s32 dst_reg; - sljit_s32 src1_reg; - sljit_s32 src2_reg; + sljit_s32 src1_reg = 0; + sljit_s32 src2_reg = 0; + sljit_s32 src2_tmp_reg = 0; sljit_s32 flags = HAS_FLAGS(op) ? SET_FLAGS : 0; + sljit_s32 neg_op = 0; + sljit_u32 imm2; - /* Destination check. */ - if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) + op = GET_OPCODE(op); + + if (flags & SET_FLAGS) + inp_flags &= ~ALLOW_DOUBLE_IMM; + + if (dst == TMP_REG1) flags |= UNUSED_RETURN; SLJIT_ASSERT(!(inp_flags & ALLOW_INV_IMM) || (inp_flags & ALLOW_IMM)); - src2_reg = 0; + if (inp_flags & ALLOW_NEG_IMM) { + switch (op) { + case SLJIT_ADD: + compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD; + neg_op = SLJIT_SUB; + break; + case SLJIT_ADDC: + compiler->status_flags_state = SLJIT_CURRENT_FLAGS_ADD; + neg_op = SLJIT_SUBC; + break; + case SLJIT_SUB: + compiler->status_flags_state = SLJIT_CURRENT_FLAGS_SUB; + neg_op = SLJIT_ADD; + break; + case SLJIT_SUBC: + compiler->status_flags_state = SLJIT_CURRENT_FLAGS_SUB; + neg_op = SLJIT_ADDC; + break; + } + } do { if (!(inp_flags & ALLOW_IMM)) break; - if (src2 & SLJIT_IMM) { - src2_reg = get_imm(src2w); + if (src2 == SLJIT_IMM) { + src2_reg = (sljit_s32)get_imm((sljit_uw)src2w); if (src2_reg) break; + if (inp_flags & ALLOW_INV_IMM) { - src2_reg = get_imm(~src2w); + src2_reg = (sljit_s32)get_imm(~(sljit_uw)src2w); if (src2_reg) { flags |= INV_IMM; break; } } - if (GET_OPCODE(op) == SLJIT_ADD) { - src2_reg = get_imm(-src2w); - if (src2_reg) { - op = SLJIT_SUB | GET_ALL_FLAGS(op); - break; - } - } - if (GET_OPCODE(op) == SLJIT_SUB) { - src2_reg = get_imm(-src2w); + + if (neg_op != 0) { + src2_reg = (sljit_s32)get_imm((neg_op == SLJIT_ADD || neg_op == SLJIT_SUB) ? (sljit_uw)-src2w : ~(sljit_uw)src2w); if (src2_reg) { - op = SLJIT_ADD | GET_ALL_FLAGS(op); + op = neg_op | GET_ALL_FLAGS(op); break; } } } - if (src1 & SLJIT_IMM) { - src2_reg = get_imm(src1w); + if (src1 == SLJIT_IMM) { + src2_reg = (sljit_s32)get_imm((sljit_uw)src1w); if (src2_reg) { flags |= ARGS_SWAPPED; src1 = src2; src1w = src2w; break; } + if (inp_flags & ALLOW_INV_IMM) { - src2_reg = get_imm(~src1w); + src2_reg = (sljit_s32)get_imm(~(sljit_uw)src1w); if (src2_reg) { flags |= ARGS_SWAPPED | INV_IMM; src1 = src2; @@ -1534,33 +2152,24 @@ static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s3 break; } } - if (GET_OPCODE(op) == SLJIT_ADD) { - src2_reg = get_imm(-src1w); + + if (neg_op >= SLJIT_SUB) { + /* Note: additive operation (commutative). */ + SLJIT_ASSERT(op == SLJIT_ADD || op == SLJIT_ADDC); + + src2_reg = (sljit_s32)get_imm((sljit_uw)-src1w); if (src2_reg) { - /* Note: add is commutative operation. */ src1 = src2; src1w = src2w; - op = SLJIT_SUB | GET_ALL_FLAGS(op); + op = neg_op | GET_ALL_FLAGS(op); break; } } } } while(0); - /* Source 1. */ - if (FAST_IS_REG(src1)) - src1_reg = src1; - else if (src1 & SLJIT_MEM) { - FAIL_IF(emit_op_mem(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, TMP_REG1)); - src1_reg = TMP_REG1; - } - else { - FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); - src1_reg = TMP_REG1; - } - /* Destination. */ - dst_reg = SLOW_IS_REG(dst) ? dst : TMP_REG2; + dst_reg = FAST_IS_REG(dst) ? dst : TMP_REG2; if (op <= SLJIT_MOV_P) { if (dst & SLJIT_MEM) { @@ -1568,26 +2177,103 @@ static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s3 inp_flags &= ~SIGNED; if (FAST_IS_REG(src2)) - return emit_op_mem(compiler, inp_flags, src2, dst, dstw, TMP_REG2); + return emit_op_mem(compiler, inp_flags, src2, dst, dstw, TMP_REG1); } if (FAST_IS_REG(src2) && dst_reg != TMP_REG2) - flags |= MOVE_REG_CONV; + flags |= REGISTER_OP; + + src2_tmp_reg = dst_reg; + } else { + if (op == SLJIT_REV_U16 || op == SLJIT_REV_S16) { + if (!(dst & SLJIT_MEM) && (!(src2 & SLJIT_MEM) || op == SLJIT_REV_S16)) + flags |= REGISTER_OP; + } + + src2_tmp_reg = FAST_IS_REG(src1) ? TMP_REG1 : TMP_REG2; + } + + if (src2_reg == 0 && (src2 & SLJIT_MEM)) { + src2_reg = src2_tmp_reg; + FAIL_IF(emit_op_mem(compiler, inp_flags | LOAD_DATA, src2_reg, src2, src2w, TMP_REG1)); + } + + /* Source 1. */ + if (FAST_IS_REG(src1)) + src1_reg = src1; + else if (src1 & SLJIT_MEM) { + FAIL_IF(emit_op_mem(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, TMP_REG1)); + src1_reg = TMP_REG1; + } else if (!(inp_flags & ALLOW_DOUBLE_IMM) || src2_reg != 0 || op == SLJIT_SUB || op == SLJIT_SUBC) { + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)src1w)); + src1_reg = TMP_REG1; } /* Source 2. */ if (src2_reg == 0) { - src2_reg = (op <= SLJIT_MOV_P) ? dst_reg : TMP_REG2; + src2_reg = src2_tmp_reg; if (FAST_IS_REG(src2)) src2_reg = src2; - else if (src2 & SLJIT_MEM) - FAIL_IF(emit_op_mem(compiler, inp_flags | LOAD_DATA, src2_reg, src2, src2w, TMP_REG2)); - else - FAIL_IF(load_immediate(compiler, src2_reg, src2w)); + else if (!(inp_flags & ALLOW_DOUBLE_IMM)) + FAIL_IF(load_immediate(compiler, src2_reg, (sljit_uw)src2w)); + else { + SLJIT_ASSERT(!(flags & SET_FLAGS)); + + if (src1_reg == 0) { + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)src1w)); + src1_reg = TMP_REG1; + } + + src2_reg = (sljit_s32)compute_imm((sljit_uw)src2w, &imm2); + + if (src2_reg == 0 && neg_op != 0) { + src2_reg = (sljit_s32)compute_imm((sljit_uw)-src2w, &imm2); + if (src2_reg != 0) + op = neg_op; + } + + if (src2_reg == 0) { + FAIL_IF(load_immediate(compiler, src2_tmp_reg, (sljit_uw)src2w)); + src2_reg = src2_tmp_reg; + } else { + FAIL_IF(emit_single_op(compiler, op, flags, (sljit_uw)dst_reg, (sljit_uw)src1_reg, (sljit_uw)src2_reg)); + src1_reg = dst_reg; + src2_reg = (sljit_s32)imm2; + + if (op == SLJIT_ADDC) + op = SLJIT_ADD; + else if (op == SLJIT_SUBC) + op = SLJIT_SUB; + } + } } - FAIL_IF(emit_single_op(compiler, op, flags, dst_reg, src1_reg, src2_reg)); + if (src1_reg == 0) { + SLJIT_ASSERT((inp_flags & ALLOW_DOUBLE_IMM) && !(flags & SET_FLAGS)); + + src1_reg = (sljit_s32)compute_imm((sljit_uw)src1w, &imm2); + + if (src1_reg == 0 && neg_op != 0) { + src1_reg = (sljit_s32)compute_imm((sljit_uw)-src1w, &imm2); + if (src1_reg != 0) + op = neg_op; + } + + if (src1_reg == 0) { + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)src1w)); + src1_reg = TMP_REG1; + } else { + FAIL_IF(emit_single_op(compiler, op, flags, (sljit_uw)dst_reg, (sljit_uw)src2_reg, (sljit_uw)src1_reg)); + src1_reg = dst_reg; + src2_reg = (sljit_s32)imm2; + + if (op == SLJIT_ADDC) + op = SLJIT_ADD; + } + } + + FAIL_IF(emit_single_op(compiler, op, flags, (sljit_uw)dst_reg, (sljit_uw)src1_reg, (sljit_uw)src2_reg)); if (!(dst & SLJIT_MEM)) return SLJIT_SUCCESS; @@ -1612,7 +2298,7 @@ extern int __aeabi_idivmod(int numerator, int denominator); SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op) { - sljit_sw saved_reg_list[3]; + sljit_uw saved_reg_list[3]; sljit_sw saved_reg_count; CHECK_ERROR(); @@ -1629,10 +2315,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile case SLJIT_LMUL_UW: case SLJIT_LMUL_SW: return push_inst(compiler, (op == SLJIT_LMUL_UW ? UMULL : SMULL) - | (reg_map[SLJIT_R1] << 16) - | (reg_map[SLJIT_R0] << 12) - | (reg_map[SLJIT_R0] << 8) - | reg_map[SLJIT_R1]); + | RN(SLJIT_R1) | RD(SLJIT_R0) | RM8(SLJIT_R0) | RM(SLJIT_R1)); case SLJIT_DIVMOD_UW: case SLJIT_DIVMOD_SW: case SLJIT_DIV_UW: @@ -1649,21 +2332,21 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile saved_reg_list[saved_reg_count++] = 1; if (saved_reg_count > 0) { - FAIL_IF(push_inst(compiler, 0xe52d0000 | (saved_reg_count >= 3 ? 16 : 8) + FAIL_IF(push_inst(compiler, STR | 0x2d0000 | (saved_reg_count >= 3 ? 16 : 8) | (saved_reg_list[0] << 12) /* str rX, [sp, #-8/-16]! */)); if (saved_reg_count >= 2) { SLJIT_ASSERT(saved_reg_list[1] < 8); - FAIL_IF(push_inst(compiler, 0xe58d0004 | (saved_reg_list[1] << 12) /* str rX, [sp, #4] */)); + FAIL_IF(push_inst(compiler, STR | 0x8d0004 | (saved_reg_list[1] << 12) /* str rX, [sp, #4] */)); } if (saved_reg_count >= 3) { SLJIT_ASSERT(saved_reg_list[2] < 8); - FAIL_IF(push_inst(compiler, 0xe58d0008 | (saved_reg_list[2] << 12) /* str rX, [sp, #8] */)); + FAIL_IF(push_inst(compiler, STR | 0x8d0008 | (saved_reg_list[2] << 12) /* str rX, [sp, #8] */)); } } #if defined(__GNUC__) FAIL_IF(sljit_emit_ijump(compiler, SLJIT_FAST_CALL, SLJIT_IMM, - ((op | 0x2) == SLJIT_DIV_UW ? SLJIT_FUNC_OFFSET(__aeabi_uidivmod) : SLJIT_FUNC_OFFSET(__aeabi_idivmod)))); + ((op | 0x2) == SLJIT_DIV_UW ? SLJIT_FUNC_ADDR(__aeabi_uidivmod) : SLJIT_FUNC_ADDR(__aeabi_idivmod)))); #else #error "Software divmod functions are needed" #endif @@ -1671,13 +2354,13 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compile if (saved_reg_count > 0) { if (saved_reg_count >= 3) { SLJIT_ASSERT(saved_reg_list[2] < 8); - FAIL_IF(push_inst(compiler, 0xe59d0008 | (saved_reg_list[2] << 12) /* ldr rX, [sp, #8] */)); + FAIL_IF(push_inst(compiler, LDR | 0x8d0008 | (saved_reg_list[2] << 12) /* ldr rX, [sp, #8] */)); } if (saved_reg_count >= 2) { SLJIT_ASSERT(saved_reg_list[1] < 8); - FAIL_IF(push_inst(compiler, 0xe59d0004 | (saved_reg_list[1] << 12) /* ldr rX, [sp, #4] */)); + FAIL_IF(push_inst(compiler, LDR | 0x8d0004 | (saved_reg_list[1] << 12) /* ldr rX, [sp, #4] */)); } - return push_inst(compiler, 0xe49d0000 | (saved_reg_count >= 3 ? 16 : 8) + return push_inst(compiler, (LDR ^ (1 << 24)) | 0x8d0000 | (sljit_ins)(saved_reg_count >= 3 ? 16 : 8) | (saved_reg_list[0] << 12) /* ldr rX, [sp], #8/16 */); } return SLJIT_SUCCESS; @@ -1702,33 +2385,32 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compile case SLJIT_MOV: case SLJIT_MOV_U32: case SLJIT_MOV_S32: + case SLJIT_MOV32: case SLJIT_MOV_P: return emit_op(compiler, SLJIT_MOV, ALLOW_ANY_IMM, dst, dstw, TMP_REG1, 0, src, srcw); case SLJIT_MOV_U8: - return emit_op(compiler, SLJIT_MOV_U8, ALLOW_ANY_IMM | BYTE_SIZE, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw); + return emit_op(compiler, SLJIT_MOV_U8, ALLOW_ANY_IMM | BYTE_SIZE, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_u8)srcw : srcw); case SLJIT_MOV_S8: - return emit_op(compiler, SLJIT_MOV_S8, ALLOW_ANY_IMM | SIGNED | BYTE_SIZE, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw); + return emit_op(compiler, SLJIT_MOV_S8, ALLOW_ANY_IMM | SIGNED | BYTE_SIZE, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_s8)srcw : srcw); case SLJIT_MOV_U16: - return emit_op(compiler, SLJIT_MOV_U16, ALLOW_ANY_IMM | HALF_SIZE, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw); + return emit_op(compiler, SLJIT_MOV_U16, ALLOW_ANY_IMM | HALF_SIZE, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_u16)srcw : srcw); case SLJIT_MOV_S16: - return emit_op(compiler, SLJIT_MOV_S16, ALLOW_ANY_IMM | SIGNED | HALF_SIZE, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw); - - case SLJIT_NOT: - return emit_op(compiler, op, ALLOW_ANY_IMM, dst, dstw, TMP_REG1, 0, src, srcw); - - case SLJIT_NEG: -#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ - || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) - compiler->skip_checks = 1; -#endif - return sljit_emit_op2(compiler, SLJIT_SUB | GET_ALL_FLAGS(op), dst, dstw, SLJIT_IMM, 0, src, srcw); + return emit_op(compiler, SLJIT_MOV_S16, ALLOW_ANY_IMM | SIGNED | HALF_SIZE, dst, dstw, TMP_REG1, 0, src, (src == SLJIT_IMM) ? (sljit_s16)srcw : srcw); case SLJIT_CLZ: + case SLJIT_CTZ: + case SLJIT_REV: + case SLJIT_REV_U32: + case SLJIT_REV_S32: return emit_op(compiler, op, 0, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_REV_U16: + case SLJIT_REV_S16: + return emit_op(compiler, op, HALF_SIZE, dst, dstw, TMP_REG1, 0, src, srcw); } return SLJIT_SUCCESS; @@ -1739,23 +2421,30 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile sljit_s32 src1, sljit_sw src1w, sljit_s32 src2, sljit_sw src2w) { + sljit_s32 inp_flags; + CHECK_ERROR(); - CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w)); + CHECK(check_sljit_emit_op2(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w)); ADJUST_LOCAL_OFFSET(dst, dstw); ADJUST_LOCAL_OFFSET(src1, src1w); ADJUST_LOCAL_OFFSET(src2, src2w); - if (dst == SLJIT_UNUSED && !HAS_FLAGS(op)) - return SLJIT_SUCCESS; - switch (GET_OPCODE(op)) { case SLJIT_ADD: case SLJIT_ADDC: case SLJIT_SUB: case SLJIT_SUBC: + return emit_op(compiler, op, ALLOW_IMM | ALLOW_NEG_IMM | ALLOW_DOUBLE_IMM, dst, dstw, src1, src1w, src2, src2w); + case SLJIT_OR: + return emit_op(compiler, op, ALLOW_IMM | ALLOW_DOUBLE_IMM, dst, dstw, src1, src1w, src2, src2w); + case SLJIT_XOR: - return emit_op(compiler, op, ALLOW_IMM, dst, dstw, src1, src1w, src2, src2w); + inp_flags = ALLOW_IMM | ALLOW_DOUBLE_IMM; + if ((src1 == SLJIT_IMM && src1w == -1) || (src2 == SLJIT_IMM && src2w == -1)) { + inp_flags |= ALLOW_INV_IMM; + } + return emit_op(compiler, op, inp_flags, dst, dstw, src1, src1w, src2, src2w); case SLJIT_MUL: return emit_op(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w); @@ -1764,13 +2453,17 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return emit_op(compiler, op, ALLOW_ANY_IMM, dst, dstw, src1, src1w, src2, src2w); case SLJIT_SHL: + case SLJIT_MSHL: case SLJIT_LSHR: + case SLJIT_MLSHR: case SLJIT_ASHR: - if (src2 & SLJIT_IMM) { + case SLJIT_MASHR: + case SLJIT_ROTL: + case SLJIT_ROTR: + if (src2 == SLJIT_IMM) { compiler->shift_imm = src2w & 0x1f; return emit_op(compiler, op, 0, dst, dstw, TMP_REG1, 0, src1, src1w); - } - else { + } else { compiler->shift_imm = 0x20; return emit_op(compiler, op, 0, dst, dstw, src1, src1w, src2, src2w); } @@ -1779,6 +2472,84 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compile return SLJIT_SUCCESS; } +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2u(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op2(compiler, op, 1, 0, 0, src1, src1w, src2, src2w)); + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_op2(compiler, op, TMP_REG1, 0, src1, src1w, src2, src2w); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2r(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst_reg, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2, sljit_sw src2w) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_op2r(compiler, op, dst_reg, src1, src1w, src2, src2w)); + ADJUST_LOCAL_OFFSET(src1, src1w); + ADJUST_LOCAL_OFFSET(src2, src2w); + + switch (GET_OPCODE(op)) { + case SLJIT_MULADD: + return emit_op(compiler, op, 0, dst_reg, 0, src1, src1w, src2, src2w); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_shift_into(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst_reg, + sljit_s32 src1_reg, + sljit_s32 src2_reg, + sljit_s32 src3, sljit_sw src3w) +{ + sljit_s32 is_left; + + CHECK_ERROR(); + CHECK(check_sljit_emit_shift_into(compiler, op, dst_reg, src1_reg, src2_reg, src3, src3w)); + + op = GET_OPCODE(op); + is_left = (op == SLJIT_SHL || op == SLJIT_MSHL); + + if (src1_reg == src2_reg) { + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_op2(compiler, is_left ? SLJIT_ROTL : SLJIT_ROTR, dst_reg, 0, src1_reg, 0, src3, src3w); + } + + ADJUST_LOCAL_OFFSET(src3, src3w); + + /* Shift type of ROR is 3. */ + if (src3 == SLJIT_IMM) { + src3w &= 0x1f; + + if (src3w == 0) + return SLJIT_SUCCESS; + + FAIL_IF(push_inst(compiler, MOV | RD(dst_reg) | RM(src1_reg) | ((sljit_ins)(is_left ? 0 : 1) << 5) | ((sljit_ins)src3w << 7))); + src3w = (src3w ^ 0x1f) + 1; + return push_inst(compiler, ORR | RD(dst_reg) | RN(dst_reg) | RM(src2_reg) | ((sljit_ins)(is_left ? 1 : 0) << 5) | ((sljit_ins)src3w << 7)); + } + + if (src3 & SLJIT_MEM) { + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG2, src3, src3w, TMP_REG2)); + src3 = TMP_REG2; + } + + if (op == SLJIT_MSHL || op == SLJIT_MLSHR || dst_reg == src3) { + FAIL_IF(push_inst(compiler, AND | SRC2_IMM | RD(TMP_REG2) | RN(src3) | 0x1f)); + src3 = TMP_REG2; + } + + FAIL_IF(push_inst(compiler, MOV | RD(dst_reg) | RM8(src3) | ((sljit_ins)(is_left ? 0 : 1) << 5) | 0x10 | RM(src1_reg))); + FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | RM(src2_reg) | ((sljit_ins)(is_left ? 1 : 0) << 5) | (1 << 7))); + FAIL_IF(push_inst(compiler, EOR | SRC2_IMM | RD(TMP_REG2) | RN(src3) | 0x1f)); + return push_inst(compiler, ORR | RD(dst_reg) | RN(dst_reg) | RM8(TMP_REG2) | ((sljit_ins)(is_left ? 1 : 0) << 5) | 0x10 | RM(TMP_REG1)); +} + SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) { @@ -1802,60 +2573,98 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_src(struct sljit_compiler *comp case SLJIT_PREFETCH_L2: case SLJIT_PREFETCH_L3: case SLJIT_PREFETCH_ONCE: -#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) SLJIT_ASSERT(src & SLJIT_MEM); return emit_op_mem(compiler, PRELOAD | LOAD_DATA, TMP_PC, src, srcw, TMP_REG1); -#else /* !SLJIT_CONFIG_ARM_V7 */ - return SLJIT_SUCCESS; -#endif /* SLJIT_CONFIG_ARM_V7 */ } return SLJIT_SUCCESS; } -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg) +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_dst(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw) { - CHECK_REG_INDEX(check_sljit_get_register_index(reg)); - return reg_map[reg]; + sljit_s32 size, dst_r; + + CHECK_ERROR(); + CHECK(check_sljit_emit_op_dst(compiler, op, dst, dstw)); + ADJUST_LOCAL_OFFSET(dst, dstw); + + switch (op) { + case SLJIT_FAST_ENTER: + SLJIT_ASSERT(reg_map[TMP_REG2] == 14); + + if (FAST_IS_REG(dst)) + return push_inst(compiler, MOV | RD(dst) | RM(TMP_REG2)); + break; + case SLJIT_GET_RETURN_ADDRESS: + size = GET_SAVED_REGISTERS_SIZE(compiler->scratches, compiler->saveds - SLJIT_KEPT_SAVEDS_COUNT(compiler->options), 0); + + if (compiler->fsaveds > 0 || compiler->fscratches >= SLJIT_FIRST_SAVED_FLOAT_REG) { + /* The size of pc is not added above. */ + if ((size & SSIZE_OF(sw)) == 0) + size += SSIZE_OF(sw); + + size += GET_SAVED_FLOAT_REGISTERS_SIZE(compiler->fscratches, compiler->fsaveds, f64); + } + + SLJIT_ASSERT(((compiler->local_size + size + SSIZE_OF(sw)) & 0x7) == 0); + + dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, dst_r, SLJIT_MEM1(SLJIT_SP), compiler->local_size + size, TMP_REG1)); + break; + } + + if (dst & SLJIT_MEM) + return emit_op_mem(compiler, WORD_SIZE, TMP_REG2, dst, dstw, TMP_REG1); + + return SLJIT_SUCCESS; } -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg) +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 type, sljit_s32 reg) { - CHECK_REG_INDEX(check_sljit_get_float_register_index(reg)); - return (freg_map[reg] << 1); + CHECK_REG_INDEX(check_sljit_get_register_index(type, reg)); + + if (type == SLJIT_GP_REGISTER) + return reg_map[reg]; + + if (type == SLJIT_FLOAT_REGISTER || type == SLJIT_SIMD_REG_64) + return freg_map[reg]; + + if (type != SLJIT_SIMD_REG_128) + return freg_map[reg] & ~0x1; + + return -1; } SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler, - void *instruction, sljit_s32 size) + void *instruction, sljit_u32 size) { + SLJIT_UNUSED_ARG(size); CHECK_ERROR(); CHECK(check_sljit_emit_op_custom(compiler, instruction, size)); - return push_inst(compiler, *(sljit_uw*)instruction); + return push_inst(compiler, *(sljit_ins*)instruction); } /* --------------------------------------------------------------------- */ /* Floating point operators */ /* --------------------------------------------------------------------- */ - #define FPU_LOAD (1 << 20) #define EMIT_FPU_DATA_TRANSFER(inst, add, base, freg, offs) \ - ((inst) | ((add) << 23) | (reg_map[base] << 16) | (freg_map[freg] << 12) | (offs)) -#define EMIT_FPU_OPERATION(opcode, mode, dst, src1, src2) \ - ((opcode) | (mode) | (freg_map[dst] << 12) | freg_map[src1] | (freg_map[src2] << 16)) + ((inst) | (sljit_ins)((add) << 23) | RN(base) | VD(freg) | (sljit_ins)(offs)) static sljit_s32 emit_fop_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw) { sljit_uw imm; - sljit_sw inst = VSTR_F32 | (flags & (SLJIT_F32_OP | FPU_LOAD)); + sljit_ins inst = VSTR_F32 | (flags & (SLJIT_32 | FPU_LOAD)); SLJIT_ASSERT(arg & SLJIT_MEM); arg &= ~SLJIT_MEM; if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { - FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG2) | RN(arg & REG_MASK) | RM(OFFS_REG(arg)) | ((argw & 0x3) << 7))); - arg = TMP_REG2; + FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RN(arg & REG_MASK) | RM(OFFS_REG(arg)) | (((sljit_ins)argw & 0x3) << 7))); + arg = TMP_REG1; argw = 0; } @@ -1866,93 +2675,110 @@ static sljit_s32 emit_fop_mem(struct sljit_compiler *compiler, sljit_s32 flags, if (!(-argw & ~0x3fc)) return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 0, arg & REG_MASK, reg, (-argw) >> 2)); - imm = get_imm(argw & ~0x3fc); + imm = get_imm((sljit_uw)argw & ~(sljit_uw)0x3fc); if (imm) { - FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG2) | RN(arg & REG_MASK) | imm)); - return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 1, TMP_REG2, reg, (argw & 0x3fc) >> 2)); + FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RN(arg & REG_MASK) | imm)); + return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 1, TMP_REG1, reg, (argw & 0x3fc) >> 2)); } - imm = get_imm(-argw & ~0x3fc); + imm = get_imm((sljit_uw)-argw & ~(sljit_uw)0x3fc); if (imm) { argw = -argw; - FAIL_IF(push_inst(compiler, SUB | RD(TMP_REG2) | RN(arg & REG_MASK) | imm)); - return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 0, TMP_REG2, reg, (argw & 0x3fc) >> 2)); + FAIL_IF(push_inst(compiler, SUB | RD(TMP_REG1) | RN(arg & REG_MASK) | imm)); + return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 0, TMP_REG1, reg, (argw & 0x3fc) >> 2)); } } if (arg) { - FAIL_IF(load_immediate(compiler, TMP_REG2, argw)); - FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG2) | RN(arg & REG_MASK) | RM(TMP_REG2))); + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)argw)); + FAIL_IF(push_inst(compiler, ADD | RD(TMP_REG1) | RN(arg & REG_MASK) | RM(TMP_REG1))); } else - FAIL_IF(load_immediate(compiler, TMP_REG2, argw)); + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)argw)); - return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 1, TMP_REG2, reg, 0)); + return push_inst(compiler, EMIT_FPU_DATA_TRANSFER(inst, 1, TMP_REG1, reg, 0)); } static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 dst, sljit_sw dstw, sljit_s32 src, sljit_sw srcw) { - op ^= SLJIT_F32_OP; + op ^= SLJIT_32; if (src & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, TMP_FREG1, src, srcw)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, TMP_FREG1, src, srcw)); src = TMP_FREG1; } - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCVT_S32_F32, op & SLJIT_F32_OP, TMP_FREG1, src, 0))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCVT_S32_F32, op & SLJIT_32, TMP_FREG1, src, 0))); if (FAST_IS_REG(dst)) - return push_inst(compiler, VMOV | (1 << 20) | RD(dst) | (freg_map[TMP_FREG1] << 16)); + return push_inst(compiler, VMOV | (1 << 20) | RD(dst) | VN(TMP_FREG1)); /* Store the integer value from a VFP register. */ return emit_fop_mem(compiler, 0, TMP_FREG1, dst, dstw); } -static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, +static sljit_s32 sljit_emit_fop1_conv_f64_from_w(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 dst, sljit_sw dstw, sljit_s32 src, sljit_sw srcw) { sljit_s32 dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; - op ^= SLJIT_F32_OP; - if (FAST_IS_REG(src)) - FAIL_IF(push_inst(compiler, VMOV | RD(src) | (freg_map[TMP_FREG1] << 16))); + FAIL_IF(push_inst(compiler, VMOV | RD(src) | VN(TMP_FREG1))); else if (src & SLJIT_MEM) { /* Load the integer value into a VFP register. */ FAIL_IF(emit_fop_mem(compiler, FPU_LOAD, TMP_FREG1, src, srcw)); } else { - FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); - FAIL_IF(push_inst(compiler, VMOV | RD(TMP_REG1) | (freg_map[TMP_FREG1] << 16))); + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)srcw)); + FAIL_IF(push_inst(compiler, VMOV | RD(TMP_REG1) | VN(TMP_FREG1))); } - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCVT_F32_S32, op & SLJIT_F32_OP, dst_r, TMP_FREG1, 0))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(ins, ins & SLJIT_32, dst_r, TMP_FREG1, 0))); if (dst & SLJIT_MEM) - return emit_fop_mem(compiler, (op & SLJIT_F32_OP), TMP_FREG1, dst, dstw); + return emit_fop_mem(compiler, (ins & SLJIT_32), TMP_FREG1, dst, dstw); return SLJIT_SUCCESS; } +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + return sljit_emit_fop1_conv_f64_from_w(compiler, VCVT_F32_S32 | (~op & SLJIT_32), dst, dstw, src, srcw); +} + +static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_uw(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst, sljit_sw dstw, + sljit_s32 src, sljit_sw srcw) +{ + return sljit_emit_fop1_conv_f64_from_w(compiler, VCVT_F32_U32 | (~op & SLJIT_32), dst, dstw, src, srcw); +} + static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src1, sljit_sw src1w, sljit_s32 src2, sljit_sw src2w) { - op ^= SLJIT_F32_OP; + op ^= SLJIT_32; if (src1 & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, TMP_FREG1, src1, src1w)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, TMP_FREG1, src1, src1w)); src1 = TMP_FREG1; } if (src2 & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, TMP_FREG2, src2, src2w)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, TMP_FREG2, src2, src2w)); src2 = TMP_FREG2; } - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCMP_F32, op & SLJIT_F32_OP, src1, src2, 0))); - return push_inst(compiler, VMRS); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCMP_F32, op & SLJIT_32, src1, src2, 0))); + FAIL_IF(push_inst(compiler, VMRS)); + + if (GET_FLAG_TYPE(op) != SLJIT_UNORDERED_OR_EQUAL) + return SLJIT_SUCCESS; + + return push_inst(compiler, (CMP - CONDITIONAL) | (0x60000000 /* VS */) | SET_FLAGS | RN(TMP_REG1) | RM(TMP_REG1)); } SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op, @@ -1963,42 +2789,42 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compil CHECK_ERROR(); - SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100), float_transfer_bit_error); + SLJIT_COMPILE_ASSERT((SLJIT_32 == 0x100), float_transfer_bit_error); SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw); dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; if (GET_OPCODE(op) != SLJIT_CONV_F64_FROM_F32) - op ^= SLJIT_F32_OP; + op ^= SLJIT_32; if (src & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, dst_r, src, srcw)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, dst_r, src, srcw)); src = dst_r; } switch (GET_OPCODE(op)) { case SLJIT_MOV_F64: if (src != dst_r) { - if (dst_r != TMP_FREG1) - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, op & SLJIT_F32_OP, dst_r, src, 0))); + if (!(dst & SLJIT_MEM)) + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, op & SLJIT_32, dst_r, src, 0))); else dst_r = src; } break; case SLJIT_NEG_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VNEG_F32, op & SLJIT_F32_OP, dst_r, src, 0))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VNEG_F32, op & SLJIT_32, dst_r, src, 0))); break; case SLJIT_ABS_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VABS_F32, op & SLJIT_F32_OP, dst_r, src, 0))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VABS_F32, op & SLJIT_32, dst_r, src, 0))); break; case SLJIT_CONV_F64_FROM_F32: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCVT_F64_F32, op & SLJIT_F32_OP, dst_r, src, 0))); - op ^= SLJIT_F32_OP; + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VCVT_F64_F32, op & SLJIT_32, dst_r, src, 0))); + op ^= SLJIT_32; break; } if (dst & SLJIT_MEM) - return emit_fop_mem(compiler, (op & SLJIT_F32_OP), dst_r, dst, dstw); + return emit_fop_mem(compiler, (op & SLJIT_32), dst_r, dst, dstw); return SLJIT_SUCCESS; } @@ -2015,121 +2841,232 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compil ADJUST_LOCAL_OFFSET(src1, src1w); ADJUST_LOCAL_OFFSET(src2, src2w); - op ^= SLJIT_F32_OP; + op ^= SLJIT_32; dst_r = FAST_IS_REG(dst) ? dst : TMP_FREG1; if (src2 & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, TMP_FREG2, src2, src2w)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, TMP_FREG2, src2, src2w)); src2 = TMP_FREG2; } if (src1 & SLJIT_MEM) { - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP) | FPU_LOAD, TMP_FREG1, src1, src1w)); + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32) | FPU_LOAD, TMP_FREG1, src1, src1w)); src1 = TMP_FREG1; } switch (GET_OPCODE(op)) { case SLJIT_ADD_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VADD_F32, op & SLJIT_F32_OP, dst_r, src2, src1))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VADD_F32, op & SLJIT_32, dst_r, src2, src1))); break; - case SLJIT_SUB_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VSUB_F32, op & SLJIT_F32_OP, dst_r, src2, src1))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VSUB_F32, op & SLJIT_32, dst_r, src2, src1))); break; - case SLJIT_MUL_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMUL_F32, op & SLJIT_F32_OP, dst_r, src2, src1))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMUL_F32, op & SLJIT_32, dst_r, src2, src1))); break; - case SLJIT_DIV_F64: - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VDIV_F32, op & SLJIT_F32_OP, dst_r, src2, src1))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VDIV_F32, op & SLJIT_32, dst_r, src2, src1))); break; + case SLJIT_COPYSIGN_F64: + FAIL_IF(push_inst(compiler, VMOV | (1 << 20) | VN(src2) | RD(TMP_REG1) | ((op & SLJIT_32) ? (1 << 7) : 0))); + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VABS_F32, op & SLJIT_32, dst_r, src1, 0))); + FAIL_IF(push_inst(compiler, CMP | SET_FLAGS | RN(TMP_REG1) | SRC2_IMM | 0)); + return push_inst(compiler, EMIT_FPU_OPERATION((VNEG_F32 & ~COND_MASK) | 0xb0000000, op & SLJIT_32, dst_r, dst_r, 0)); } - if (dst_r == TMP_FREG1) - FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_F32_OP), TMP_FREG1, dst, dstw)); + if (dst_r != dst) + FAIL_IF(emit_fop_mem(compiler, (op & SLJIT_32), TMP_FREG1, dst, dstw)); return SLJIT_SUCCESS; } -#undef FPU_LOAD #undef EMIT_FPU_DATA_TRANSFER -/* --------------------------------------------------------------------- */ -/* Other instructions */ -/* --------------------------------------------------------------------- */ +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fset32(struct sljit_compiler *compiler, + sljit_s32 freg, sljit_f32 value) +{ +#if defined(__ARM_NEON) && __ARM_NEON + sljit_u32 exp; + sljit_ins ins; +#endif /* NEON */ + union { + sljit_u32 imm; + sljit_f32 value; + } u; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fset32(compiler, freg, value)); + + u.value = value; + +#if defined(__ARM_NEON) && __ARM_NEON + if ((u.imm << (32 - 19)) == 0) { + exp = (u.imm >> (23 + 2)) & 0x3f; -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) + if (exp == 0x20 || exp == 0x1f) { + ins = ((u.imm >> 24) & 0x80) | ((u.imm >> 19) & 0x7f); + return push_inst(compiler, (VMOV_F32 ^ (1 << 6)) | ((ins & 0xf0) << 12) | VD(freg) | (ins & 0xf)); + } + } +#endif /* NEON */ + + FAIL_IF(load_immediate(compiler, TMP_REG1, u.imm)); + return push_inst(compiler, VMOV | VN(freg) | RD(TMP_REG1)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fset64(struct sljit_compiler *compiler, + sljit_s32 freg, sljit_f64 value) { +#if defined(__ARM_NEON) && __ARM_NEON + sljit_u32 exp; + sljit_ins ins; +#endif /* NEON */ + union { + sljit_u32 imm[2]; + sljit_f64 value; + } u; + CHECK_ERROR(); - CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw)); - ADJUST_LOCAL_OFFSET(dst, dstw); + CHECK(check_sljit_emit_fset64(compiler, freg, value)); - SLJIT_ASSERT(reg_map[TMP_REG2] == 14); + u.value = value; - if (FAST_IS_REG(dst)) - return push_inst(compiler, MOV | RD(dst) | RM(TMP_REG2)); +#if defined(__ARM_NEON) && __ARM_NEON + if (u.imm[0] == 0 && (u.imm[1] << (64 - 48)) == 0) { + exp = (u.imm[1] >> ((52 - 32) + 2)) & 0x1ff; + + if (exp == 0x100 || exp == 0xff) { + ins = ((u.imm[1] >> (56 - 32)) & 0x80) | ((u.imm[1] >> (48 - 32)) & 0x7f); + return push_inst(compiler, (VMOV_F32 ^ (1 << 6)) | (1 << 8) | ((ins & 0xf0) << 12) | VD(freg) | (ins & 0xf)); + } + } +#endif /* NEON */ + + FAIL_IF(load_immediate(compiler, TMP_REG1, u.imm[0])); + if (u.imm[0] == u.imm[1]) + return push_inst(compiler, VMOV2 | RN(TMP_REG1) | RD(TMP_REG1) | VM(freg)); + + FAIL_IF(load_immediate(compiler, TMP_REG2, u.imm[1])); + return push_inst(compiler, VMOV2 | RN(TMP_REG2) | RD(TMP_REG1) | VM(freg)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fcopy(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 freg, sljit_s32 reg) +{ + sljit_s32 reg2; + sljit_ins inst; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fcopy(compiler, op, freg, reg)); - /* Memory. */ - return emit_op_mem(compiler, WORD_SIZE, TMP_REG2, dst, dstw, TMP_REG1); + if (reg & REG_PAIR_MASK) { + reg2 = REG_PAIR_SECOND(reg); + reg = REG_PAIR_FIRST(reg); + + inst = VMOV2 | RN(reg) | RD(reg2) | VM(freg); + } else { + inst = VMOV | VN(freg) | RD(reg); + + if (!(op & SLJIT_32)) + inst |= 1 << 7; + } + + if (GET_OPCODE(op) == SLJIT_COPY_FROM_F64) + inst |= 1 << 20; + + return push_inst(compiler, inst); } /* --------------------------------------------------------------------- */ /* Conditional instructions */ /* --------------------------------------------------------------------- */ -static sljit_uw get_cc(sljit_s32 type) +static sljit_ins get_cc(struct sljit_compiler *compiler, sljit_s32 type) { switch (type) { case SLJIT_EQUAL: - case SLJIT_MUL_NOT_OVERFLOW: - case SLJIT_EQUAL_F64: + case SLJIT_ATOMIC_STORED: + case SLJIT_F_EQUAL: + case SLJIT_ORDERED_EQUAL: + case SLJIT_UNORDERED_OR_EQUAL: return 0x00000000; case SLJIT_NOT_EQUAL: - case SLJIT_MUL_OVERFLOW: - case SLJIT_NOT_EQUAL_F64: + case SLJIT_ATOMIC_NOT_STORED: + case SLJIT_F_NOT_EQUAL: + case SLJIT_UNORDERED_OR_NOT_EQUAL: + case SLJIT_ORDERED_NOT_EQUAL: return 0x10000000; + case SLJIT_CARRY: + if (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD) + return 0x20000000; + /* fallthrough */ + case SLJIT_LESS: - case SLJIT_LESS_F64: return 0x30000000; + case SLJIT_NOT_CARRY: + if (compiler->status_flags_state & SLJIT_CURRENT_FLAGS_ADD) + return 0x30000000; + /* fallthrough */ + case SLJIT_GREATER_EQUAL: - case SLJIT_GREATER_EQUAL_F64: return 0x20000000; case SLJIT_GREATER: - case SLJIT_GREATER_F64: + case SLJIT_UNORDERED_OR_GREATER: return 0x80000000; case SLJIT_LESS_EQUAL: - case SLJIT_LESS_EQUAL_F64: + case SLJIT_F_LESS_EQUAL: + case SLJIT_ORDERED_LESS_EQUAL: return 0x90000000; case SLJIT_SIG_LESS: + case SLJIT_UNORDERED_OR_LESS: return 0xb0000000; case SLJIT_SIG_GREATER_EQUAL: + case SLJIT_F_GREATER_EQUAL: + case SLJIT_ORDERED_GREATER_EQUAL: return 0xa0000000; case SLJIT_SIG_GREATER: + case SLJIT_F_GREATER: + case SLJIT_ORDERED_GREATER: return 0xc0000000; case SLJIT_SIG_LESS_EQUAL: + case SLJIT_UNORDERED_OR_LESS_EQUAL: return 0xd0000000; case SLJIT_OVERFLOW: - case SLJIT_UNORDERED_F64: + if (!(compiler->status_flags_state & (SLJIT_CURRENT_FLAGS_ADD | SLJIT_CURRENT_FLAGS_SUB))) + return 0x10000000; + /* fallthrough */ + + case SLJIT_UNORDERED: return 0x60000000; case SLJIT_NOT_OVERFLOW: - case SLJIT_ORDERED_F64: + if (!(compiler->status_flags_state & (SLJIT_CURRENT_FLAGS_ADD | SLJIT_CURRENT_FLAGS_SUB))) + return 0x00000000; + /* fallthrough */ + + case SLJIT_ORDERED: return 0x70000000; + case SLJIT_F_LESS: + case SLJIT_ORDERED_LESS: + return 0x40000000; + + case SLJIT_UNORDERED_OR_GREATER_EQUAL: + return 0x50000000; + default: - SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_CDECL); + SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL_REG_ARG); return 0xe0000000; } } @@ -2164,141 +3101,152 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compile SLJIT_ASSERT(reg_map[TMP_REG1] != 14); -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (type >= SLJIT_FAST_CALL) PTR_FAIL_IF(prepare_blx(compiler)); + + jump->addr = compiler->size; PTR_FAIL_IF(push_inst_with_unique_literal(compiler, ((EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, - type <= SLJIT_JUMP ? TMP_PC : TMP_REG1, TMP_PC, 0)) & ~COND_MASK) | get_cc(type), 0)); + type <= SLJIT_JUMP ? TMP_PC : TMP_REG1, TMP_PC, 0)) & ~COND_MASK) | get_cc(compiler, type), 0)); - if (jump->flags & SLJIT_REWRITABLE_JUMP) { - jump->addr = compiler->size; + if (jump->flags & SLJIT_REWRITABLE_JUMP) compiler->patches++; - } if (type >= SLJIT_FAST_CALL) { jump->flags |= IS_BL; + jump->addr = compiler->size; PTR_FAIL_IF(emit_blx(compiler)); } - - if (!(jump->flags & SLJIT_REWRITABLE_JUMP)) - jump->addr = compiler->size; -#else +#else /* !SLJIT_CONFIG_ARM_V6 */ + jump->addr = compiler->size; if (type >= SLJIT_FAST_CALL) jump->flags |= IS_BL; - PTR_FAIL_IF(emit_imm(compiler, TMP_REG1, 0)); - PTR_FAIL_IF(push_inst(compiler, (((type <= SLJIT_JUMP ? BX : BLX) | RM(TMP_REG1)) & ~COND_MASK) | get_cc(type))); - jump->addr = compiler->size; -#endif + PTR_FAIL_IF(push_inst(compiler, (((type <= SLJIT_JUMP ? BX : BLX) | RM(TMP_REG1)) & ~COND_MASK) | get_cc(compiler, type))); + compiler->size += JUMP_MAX_SIZE - 1; +#endif /* SLJIT_CONFIG_ARM_V6 */ return jump; } #ifdef __SOFTFP__ -static sljit_s32 softfloat_call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src) +static sljit_s32 softfloat_call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src, sljit_u32 *extra_space) { - sljit_s32 stack_offset = 0; - sljit_s32 arg_count = 0; - sljit_s32 word_arg_offset = 0; - sljit_s32 float_arg_count = 0; + sljit_u32 is_tail_call = *extra_space & SLJIT_CALL_RETURN; + sljit_u32 offset = 0; + sljit_u32 word_arg_offset = 0; + sljit_u32 src_offset = 4 * sizeof(sljit_sw); + sljit_u32 float_arg_count = 0; sljit_s32 types = 0; - sljit_s32 src_offset = 4 * sizeof(sljit_sw); sljit_u8 offsets[4]; + sljit_u8 *offset_ptr = offsets; if (src && FAST_IS_REG(*src)) - src_offset = reg_map[*src] * sizeof(sljit_sw); + src_offset = (sljit_u32)reg_map[*src] * sizeof(sljit_sw); - arg_types >>= SLJIT_DEF_SHIFT; + arg_types >>= SLJIT_ARG_SHIFT; while (arg_types) { - types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK); + types = (types << SLJIT_ARG_SHIFT) | (arg_types & SLJIT_ARG_MASK); - switch (arg_types & SLJIT_DEF_MASK) { - case SLJIT_ARG_TYPE_F32: - offsets[arg_count] = (sljit_u8)stack_offset; - stack_offset += sizeof(sljit_f32); - arg_count++; + switch (arg_types & SLJIT_ARG_MASK) { + case SLJIT_ARG_TYPE_F64: + if (offset & 0x7) + offset += sizeof(sljit_sw); + *offset_ptr++ = (sljit_u8)offset; + offset += sizeof(sljit_f64); float_arg_count++; break; - case SLJIT_ARG_TYPE_F64: - if (stack_offset & 0x7) - stack_offset += sizeof(sljit_sw); - offsets[arg_count] = (sljit_u8)stack_offset; - stack_offset += sizeof(sljit_f64); - arg_count++; + case SLJIT_ARG_TYPE_F32: + *offset_ptr++ = (sljit_u8)offset; + offset += sizeof(sljit_f32); float_arg_count++; break; default: - offsets[arg_count] = (sljit_u8)stack_offset; - stack_offset += sizeof(sljit_sw); - arg_count++; + *offset_ptr++ = (sljit_u8)offset; + offset += sizeof(sljit_sw); word_arg_offset += sizeof(sljit_sw); break; } - arg_types >>= SLJIT_DEF_SHIFT; + arg_types >>= SLJIT_ARG_SHIFT; } - if (stack_offset > 16) - FAIL_IF(push_inst(compiler, SUB | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | (((stack_offset - 16) + 0x7) & ~0x7))); + if (offset > 4 * sizeof(sljit_sw) && (!is_tail_call || offset > compiler->args_size)) { + /* Keep lr register on the stack. */ + if (is_tail_call) + offset += sizeof(sljit_sw); + + offset = ((offset - 4 * sizeof(sljit_sw)) + 0x7) & ~(sljit_u32)0x7; + + *extra_space = offset; + + if (is_tail_call) + FAIL_IF(emit_stack_frame_release(compiler, (sljit_s32)offset)); + else + FAIL_IF(push_inst(compiler, SUB | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | offset)); + } else { + if (is_tail_call) + FAIL_IF(emit_stack_frame_release(compiler, -1)); + *extra_space = 0; + } /* Process arguments in reversed direction. */ while (types) { - switch (types & SLJIT_DEF_MASK) { - case SLJIT_ARG_TYPE_F32: - arg_count--; + switch (types & SLJIT_ARG_MASK) { + case SLJIT_ARG_TYPE_F64: float_arg_count--; - stack_offset = offsets[arg_count]; + offset = *(--offset_ptr); - if (stack_offset < 16) { - if (src_offset == stack_offset) { + SLJIT_ASSERT((offset & 0x7) == 0); + + if (offset < 4 * sizeof(sljit_sw)) { + if (src_offset == offset || src_offset == offset + sizeof(sljit_sw)) { FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | (src_offset >> 2))); *src = TMP_REG1; } - FAIL_IF(push_inst(compiler, VMOV | 0x100000 | (float_arg_count << 16) | (stack_offset << 10))); + FAIL_IF(push_inst(compiler, VMOV2 | 0x100000 | (offset << 10) | ((offset + sizeof(sljit_sw)) << 14) | float_arg_count)); } else - FAIL_IF(push_inst(compiler, VSTR_F32 | 0x800000 | RN(SLJIT_SP) | (float_arg_count << 12) | ((stack_offset - 16) >> 2))); + FAIL_IF(push_inst(compiler, VSTR_F32 | 0x800100 | RN(SLJIT_SP) + | (float_arg_count << 12) | ((offset - 4 * sizeof(sljit_sw)) >> 2))); break; - case SLJIT_ARG_TYPE_F64: - arg_count--; + case SLJIT_ARG_TYPE_F32: float_arg_count--; - stack_offset = offsets[arg_count]; - - SLJIT_ASSERT((stack_offset & 0x7) == 0); + offset = *(--offset_ptr); - if (stack_offset < 16) { - if (src_offset == stack_offset || src_offset == stack_offset + sizeof(sljit_sw)) { + if (offset < 4 * sizeof(sljit_sw)) { + if (src_offset == offset) { FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | (src_offset >> 2))); *src = TMP_REG1; } - FAIL_IF(push_inst(compiler, VMOV2 | 0x100000 | (stack_offset << 10) | ((stack_offset + sizeof(sljit_sw)) << 14) | float_arg_count)); + FAIL_IF(push_inst(compiler, VMOV | 0x100000 | (float_arg_count << 16) | (offset << 10))); } else - FAIL_IF(push_inst(compiler, VSTR_F32 | 0x800100 | RN(SLJIT_SP) | (float_arg_count << 12) | ((stack_offset - 16) >> 2))); + FAIL_IF(push_inst(compiler, VSTR_F32 | 0x800000 | RN(SLJIT_SP) + | (float_arg_count << 12) | ((offset - 4 * sizeof(sljit_sw)) >> 2))); break; default: - arg_count--; word_arg_offset -= sizeof(sljit_sw); - stack_offset = offsets[arg_count]; + offset = *(--offset_ptr); - SLJIT_ASSERT(stack_offset >= word_arg_offset); + SLJIT_ASSERT(offset >= word_arg_offset); - if (stack_offset != word_arg_offset) { - if (stack_offset < 16) { - if (src_offset == stack_offset) { + if (offset != word_arg_offset) { + if (offset < 4 * sizeof(sljit_sw)) { + if (src_offset == offset) { FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | (src_offset >> 2))); *src = TMP_REG1; } else if (src_offset == word_arg_offset) { - *src = 1 + (stack_offset >> 2); - src_offset = stack_offset; + *src = (sljit_s32)(SLJIT_R0 + (offset >> 2)); + src_offset = offset; } - FAIL_IF(push_inst(compiler, MOV | (stack_offset << 10) | (word_arg_offset >> 2))); + FAIL_IF(push_inst(compiler, MOV | (offset << 10) | (word_arg_offset >> 2))); } else - FAIL_IF(push_inst(compiler, data_transfer_insts[WORD_SIZE] | 0x800000 | RN(SLJIT_SP) | (word_arg_offset << 10) | (stack_offset - 16))); + FAIL_IF(push_inst(compiler, STR | 0x800000 | RN(SLJIT_SP) | (word_arg_offset << 10) | (offset - 4 * sizeof(sljit_sw)))); } break; } - types >>= SLJIT_DEF_SHIFT; + types >>= SLJIT_ARG_SHIFT; } return SLJIT_SUCCESS; @@ -2306,83 +3254,51 @@ static sljit_s32 softfloat_call_with_args(struct sljit_compiler *compiler, sljit static sljit_s32 softfloat_post_call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types) { - sljit_s32 stack_size = 0; - - if ((arg_types & SLJIT_DEF_MASK) == SLJIT_ARG_TYPE_F32) - FAIL_IF(push_inst(compiler, VMOV | (0 << 16) | (0 << 12))); - if ((arg_types & SLJIT_DEF_MASK) == SLJIT_ARG_TYPE_F64) + if ((arg_types & SLJIT_ARG_MASK) == SLJIT_ARG_TYPE_F64) FAIL_IF(push_inst(compiler, VMOV2 | (1 << 16) | (0 << 12) | 0)); + if ((arg_types & SLJIT_ARG_MASK) == SLJIT_ARG_TYPE_F32) + FAIL_IF(push_inst(compiler, VMOV | (0 << 16) | (0 << 12))); - arg_types >>= SLJIT_DEF_SHIFT; - - while (arg_types) { - switch (arg_types & SLJIT_DEF_MASK) { - case SLJIT_ARG_TYPE_F32: - stack_size += sizeof(sljit_f32); - break; - case SLJIT_ARG_TYPE_F64: - if (stack_size & 0x7) - stack_size += sizeof(sljit_sw); - stack_size += sizeof(sljit_f64); - break; - default: - stack_size += sizeof(sljit_sw); - break; - } - - arg_types >>= SLJIT_DEF_SHIFT; - } - - if (stack_size <= 16) - return SLJIT_SUCCESS; - - return push_inst(compiler, ADD | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | (((stack_size - 16) + 0x7) & ~0x7)); + return SLJIT_SUCCESS; } #else /* !__SOFTFP__ */ static sljit_s32 hardfloat_call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types) { - sljit_u32 remap = 0; - sljit_u32 offset = 0; - sljit_u32 new_offset, mask; + sljit_u32 offset = SLJIT_FR0; + sljit_u32 new_offset = SLJIT_FR0; + sljit_u32 f32_offset = 0; /* Remove return value. */ - arg_types >>= SLJIT_DEF_SHIFT; + arg_types >>= SLJIT_ARG_SHIFT; while (arg_types) { - if ((arg_types & SLJIT_DEF_MASK) == SLJIT_ARG_TYPE_F32) { - new_offset = 0; - mask = 1; - - while (remap & mask) { - new_offset++; - mask <<= 1; - } - remap |= mask; - + switch (arg_types & SLJIT_ARG_MASK) { + case SLJIT_ARG_TYPE_F64: if (offset != new_offset) FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, - 0, (new_offset >> 1) + 1, (offset >> 1) + 1, 0) | ((new_offset & 0x1) ? 0x400000 : 0))); - - offset += 2; - } - else if ((arg_types & SLJIT_DEF_MASK) == SLJIT_ARG_TYPE_F64) { - new_offset = 0; - mask = 3; + SLJIT_32, new_offset, offset, 0))); - while (remap & mask) { - new_offset += 2; - mask <<= 2; + new_offset++; + offset++; + break; + case SLJIT_ARG_TYPE_F32: + if (f32_offset != 0) { + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, + 0x400000, f32_offset, offset, 0))); + f32_offset = 0; + } else { + if (offset != new_offset) + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, + 0, new_offset, offset, 0))); + f32_offset = new_offset; + new_offset++; } - remap |= mask; - - if (offset != new_offset) - FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, SLJIT_F32_OP, (new_offset >> 1) + 1, (offset >> 1) + 1, 0))); - - offset += 2; + offset++; + break; } - arg_types >>= SLJIT_DEF_SHIFT; + arg_types >>= SLJIT_ARG_SHIFT; } return SLJIT_SUCCESS; @@ -2390,41 +3306,60 @@ static sljit_s32 hardfloat_call_with_args(struct sljit_compiler *compiler, sljit #endif /* __SOFTFP__ */ -#undef EMIT_FPU_OPERATION - SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 arg_types) { #ifdef __SOFTFP__ struct sljit_jump *jump; + sljit_u32 extra_space = (sljit_u32)type; #endif CHECK_ERROR_PTR(); CHECK_PTR(check_sljit_emit_call(compiler, type, arg_types)); #ifdef __SOFTFP__ - PTR_FAIL_IF(softfloat_call_with_args(compiler, arg_types, NULL)); + if ((type & 0xff) != SLJIT_CALL_REG_ARG) { + PTR_FAIL_IF(softfloat_call_with_args(compiler, arg_types, NULL, &extra_space)); + SLJIT_ASSERT((extra_space & 0x7) == 0); -#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ - || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) - compiler->skip_checks = 1; -#endif + if ((type & SLJIT_CALL_RETURN) && extra_space == 0) + type = SLJIT_JUMP | (type & SLJIT_REWRITABLE_JUMP); - jump = sljit_emit_jump(compiler, type); - PTR_FAIL_IF(jump == NULL); + SLJIT_SKIP_CHECKS(compiler); + jump = sljit_emit_jump(compiler, type); + PTR_FAIL_IF(jump == NULL); - PTR_FAIL_IF(softfloat_post_call_with_args(compiler, arg_types)); - return jump; -#else /* !__SOFTFP__ */ - PTR_FAIL_IF(hardfloat_call_with_args(compiler, arg_types)); + if (extra_space > 0) { + if (type & SLJIT_CALL_RETURN) + PTR_FAIL_IF(push_inst(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, + TMP_REG2, SLJIT_SP, extra_space - sizeof(sljit_sw)))); -#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ - || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) - compiler->skip_checks = 1; -#endif + PTR_FAIL_IF(push_inst(compiler, ADD | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | extra_space)); - return sljit_emit_jump(compiler, type); + if (type & SLJIT_CALL_RETURN) { + PTR_FAIL_IF(push_inst(compiler, BX | RM(TMP_REG2))); + return jump; + } + } + + SLJIT_ASSERT(!(type & SLJIT_CALL_RETURN)); + PTR_FAIL_IF(softfloat_post_call_with_args(compiler, arg_types)); + return jump; + } #endif /* __SOFTFP__ */ + + if (type & SLJIT_CALL_RETURN) { + PTR_FAIL_IF(emit_stack_frame_release(compiler, -1)); + type = SLJIT_JUMP | (type & SLJIT_REWRITABLE_JUMP); + } + +#ifndef __SOFTFP__ + if ((type & 0xff) != SLJIT_CALL_REG_ARG) + PTR_FAIL_IF(hardfloat_call_with_args(compiler, arg_types)); +#endif /* !__SOFTFP__ */ + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_jump(compiler, type); } SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw) @@ -2437,7 +3372,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compi SLJIT_ASSERT(reg_map[TMP_REG1] != 14); - if (!(src & SLJIT_IMM)) { + if (src != SLJIT_IMM) { if (FAST_IS_REG(src)) { SLJIT_ASSERT(reg_map[src] != 14); return push_inst(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RM(src)); @@ -2452,19 +3387,22 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compi jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); FAIL_IF(!jump); set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_BL : 0)); - jump->u.target = srcw; + jump->u.target = (sljit_uw)srcw; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) if (type >= SLJIT_FAST_CALL) FAIL_IF(prepare_blx(compiler)); + jump->addr = compiler->size; FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, type <= SLJIT_JUMP ? TMP_PC : TMP_REG1, TMP_PC, 0), 0)); - if (type >= SLJIT_FAST_CALL) + if (type >= SLJIT_FAST_CALL) { + jump->addr = compiler->size; FAIL_IF(emit_blx(compiler)); -#else - FAIL_IF(emit_imm(compiler, TMP_REG1, 0)); - FAIL_IF(push_inst(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RM(TMP_REG1))); -#endif + } +#else /* !SLJIT_CONFIG_ARM_V6 */ jump->addr = compiler->size; + FAIL_IF(push_inst(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RM(TMP_REG1))); + compiler->size += JUMP_MAX_SIZE - 1; +#endif /* SLJIT_CONFIG_ARM_V6 */ return SLJIT_SUCCESS; } @@ -2472,50 +3410,104 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compi sljit_s32 arg_types, sljit_s32 src, sljit_sw srcw) { +#ifdef __SOFTFP__ + sljit_u32 extra_space = (sljit_u32)type; +#endif + CHECK_ERROR(); CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); -#ifdef __SOFTFP__ if (src & SLJIT_MEM) { FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG1, src, srcw, TMP_REG1)); src = TMP_REG1; } - FAIL_IF(softfloat_call_with_args(compiler, arg_types, &src)); + if ((type & SLJIT_CALL_RETURN) && (src >= SLJIT_FIRST_SAVED_REG && src <= (SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options)))) { + FAIL_IF(push_inst(compiler, MOV | RD(TMP_REG1) | RM(src))); + src = TMP_REG1; + } -#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ - || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) - compiler->skip_checks = 1; -#endif +#ifdef __SOFTFP__ + if ((type & 0xff) != SLJIT_CALL_REG_ARG) { + FAIL_IF(softfloat_call_with_args(compiler, arg_types, &src, &extra_space)); + SLJIT_ASSERT((extra_space & 0x7) == 0); - FAIL_IF(sljit_emit_ijump(compiler, type, src, srcw)); + if ((type & SLJIT_CALL_RETURN) && extra_space == 0) + type = SLJIT_JUMP; - return softfloat_post_call_with_args(compiler, arg_types); -#else /* !__SOFTFP__ */ - FAIL_IF(hardfloat_call_with_args(compiler, arg_types)); + SLJIT_SKIP_CHECKS(compiler); + FAIL_IF(sljit_emit_ijump(compiler, type, src, srcw)); -#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) \ - || (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) - compiler->skip_checks = 1; -#endif + if (extra_space > 0) { + if (type & SLJIT_CALL_RETURN) + FAIL_IF(push_inst(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, + TMP_REG2, SLJIT_SP, extra_space - sizeof(sljit_sw)))); - return sljit_emit_ijump(compiler, type, src, srcw); + FAIL_IF(push_inst(compiler, ADD | RD(SLJIT_SP) | RN(SLJIT_SP) | SRC2_IMM | extra_space)); + + if (type & SLJIT_CALL_RETURN) + return push_inst(compiler, BX | RM(TMP_REG2)); + } + + SLJIT_ASSERT(!(type & SLJIT_CALL_RETURN)); + return softfloat_post_call_with_args(compiler, arg_types); + } #endif /* __SOFTFP__ */ + + if (type & SLJIT_CALL_RETURN) { + FAIL_IF(emit_stack_frame_release(compiler, -1)); + type = SLJIT_JUMP; + } + +#ifndef __SOFTFP__ + if ((type & 0xff) != SLJIT_CALL_REG_ARG) + FAIL_IF(hardfloat_call_with_args(compiler, arg_types)); +#endif /* !__SOFTFP__ */ + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_ijump(compiler, type, src, srcw); +} + +#ifdef __SOFTFP__ + +static SLJIT_INLINE sljit_s32 emit_fmov_before_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw) +{ + if (compiler->options & SLJIT_ENTER_REG_ARG) { + if (src == SLJIT_FR0) + return SLJIT_SUCCESS; + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_fop1(compiler, op, SLJIT_RETURN_FREG, 0, src, srcw); + } + + if (FAST_IS_REG(src)) { + if (op & SLJIT_32) + return push_inst(compiler, VMOV | (1 << 20) | RD(SLJIT_R0) | VN(src)); + return push_inst(compiler, VMOV2 | (1 << 20) | RD(SLJIT_R0) | RN(SLJIT_R1) | VM(src)); + } + + SLJIT_SKIP_CHECKS(compiler); + + if (op & SLJIT_32) + return sljit_emit_op1(compiler, SLJIT_MOV, SLJIT_R0, 0, src, srcw); + return sljit_emit_mem(compiler, SLJIT_MOV, SLJIT_REG_PAIR(SLJIT_R0, SLJIT_R1), src, srcw); } +#endif /* __SOFTFP__ */ + SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 dst, sljit_sw dstw, sljit_s32 type) { sljit_s32 dst_reg, flags = GET_ALL_FLAGS(op); - sljit_uw cc, ins; + sljit_ins cc, ins; CHECK_ERROR(); CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, type)); ADJUST_LOCAL_OFFSET(dst, dstw); op = GET_OPCODE(op); - cc = get_cc(type & 0xff); + cc = get_cc(compiler, type); dst_reg = FAST_IS_REG(dst) ? dst : TMP_REG1; if (op < SLJIT_ADD) { @@ -2544,41 +3536,159 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *co return SLJIT_SUCCESS; } -SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_cmov(struct sljit_compiler *compiler, sljit_s32 type, +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_select(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 dst_reg, - sljit_s32 src, sljit_sw srcw) + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2_reg) { - sljit_uw cc, tmp; + sljit_ins cc, tmp; CHECK_ERROR(); - CHECK(check_sljit_emit_cmov(compiler, type, dst_reg, src, srcw)); + CHECK(check_sljit_emit_select(compiler, type, dst_reg, src1, src1w, src2_reg)); - dst_reg &= ~SLJIT_I32_OP; + ADJUST_LOCAL_OFFSET(src1, src1w); + + if (src2_reg != dst_reg && src1 == dst_reg) { + src1 = src2_reg; + src1w = 0; + src2_reg = dst_reg; + type ^= 0x1; + } + + if (src1 & SLJIT_MEM) { + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, (src2_reg != dst_reg) ? dst_reg : TMP_REG1, src1, src1w, TMP_REG1)); - cc = get_cc(type & 0xff); + if (src2_reg != dst_reg) { + src1 = src2_reg; + src1w = 0; + type ^= 0x1; + } else { + src1 = TMP_REG1; + src1w = 0; + } + } else if (dst_reg != src2_reg) + FAIL_IF(push_inst(compiler, MOV | RD(dst_reg) | RM(src2_reg))); + + cc = get_cc(compiler, type & ~SLJIT_32); - if (SLJIT_UNLIKELY(src & SLJIT_IMM)) { - tmp = get_imm(srcw); + if (SLJIT_UNLIKELY(src1 == SLJIT_IMM)) { + tmp = get_imm((sljit_uw)src1w); if (tmp) return push_inst(compiler, ((MOV | RD(dst_reg) | tmp) & ~COND_MASK) | cc); - tmp = get_imm(~srcw); + tmp = get_imm(~(sljit_uw)src1w); if (tmp) return push_inst(compiler, ((MVN | RD(dst_reg) | tmp) & ~COND_MASK) | cc); #if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) - tmp = (sljit_uw) srcw; + tmp = (sljit_ins)src1w; FAIL_IF(push_inst(compiler, (MOVW & ~COND_MASK) | cc | RD(dst_reg) | ((tmp << 4) & 0xf0000) | (tmp & 0xfff))); if (tmp <= 0xffff) return SLJIT_SUCCESS; return push_inst(compiler, (MOVT & ~COND_MASK) | cc | RD(dst_reg) | ((tmp >> 12) & 0xf0000) | ((tmp >> 16) & 0xfff)); -#else - FAIL_IF(load_immediate(compiler, TMP_REG1, srcw)); - src = TMP_REG1; -#endif +#else /* !SLJIT_CONFIG_ARM_V7 */ + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)src1w)); + src1 = TMP_REG1; +#endif /* SLJIT_CONFIG_ARM_V7 */ + } + + return push_inst(compiler, ((MOV | RD(dst_reg) | RM(src1)) & ~COND_MASK) | cc); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fselect(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 dst_freg, + sljit_s32 src1, sljit_sw src1w, + sljit_s32 src2_freg) +{ + sljit_ins cc; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fselect(compiler, type, dst_freg, src1, src1w, src2_freg)); + + ADJUST_LOCAL_OFFSET(src1, src1w); + + type ^= SLJIT_32; + + if (dst_freg != src2_freg) { + if (dst_freg == src1) { + src1 = src2_freg; + src1w = 0; + type ^= 0x1; + } else + FAIL_IF(push_inst(compiler, EMIT_FPU_OPERATION(VMOV_F32, (type & SLJIT_32), dst_freg, src2_freg, 0))); } - return push_inst(compiler, ((MOV | RD(dst_reg) | RM(src)) & ~COND_MASK) | cc); + if (src1 & SLJIT_MEM) { + FAIL_IF(emit_fop_mem(compiler, (type & SLJIT_32) | FPU_LOAD, TMP_FREG2, src1, src1w)); + src1 = TMP_FREG2; + } + + cc = get_cc(compiler, type & ~SLJIT_32); + return push_inst(compiler, EMIT_FPU_OPERATION((VMOV_F32 & ~COND_MASK) | cc, (type & SLJIT_32), dst_freg, src1, 0)); +} + +#undef EMIT_FPU_OPERATION + +static sljit_s32 update_mem_addr(struct sljit_compiler *compiler, sljit_s32 *mem, sljit_sw *memw, sljit_s32 max_offset) +{ + sljit_s32 arg = *mem; + sljit_sw argw = *memw; + sljit_uw imm, tmp; + sljit_sw mask = 0xfff; + sljit_sw sign = 0x1000; + + SLJIT_ASSERT(max_offset >= 0xf00); + + *mem = TMP_REG1; + + if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) { + *memw = 0; + return push_inst(compiler, ADD | RD(TMP_REG1) | RN(arg & REG_MASK) | RM(OFFS_REG(arg)) | ((sljit_ins)(argw & 0x3) << 7)); + } + + arg &= REG_MASK; + + if (arg) { + if (argw <= max_offset && argw >= -mask) { + *mem = arg; + return SLJIT_SUCCESS; + } + + if (argw >= 0) { + tmp = (sljit_uw)(argw & (sign | mask)); + tmp = (sljit_uw)((argw + ((tmp <= (sljit_uw)max_offset || tmp == (sljit_uw)sign) ? 0 : sign)) & ~mask); + imm = get_imm(tmp); + + if (imm) { + *memw = argw - (sljit_sw)tmp; + SLJIT_ASSERT(*memw >= -mask && *memw <= max_offset); + + return push_inst(compiler, ADD | RD(TMP_REG1) | RN(arg) | imm); + } + } else { + tmp = (sljit_uw)(-argw & (sign | mask)); + tmp = (sljit_uw)((-argw + ((tmp <= (sljit_uw)((sign << 1) - max_offset - 1)) ? 0 : sign)) & ~mask); + imm = get_imm(tmp); + + if (imm) { + *memw = argw + (sljit_sw)tmp; + SLJIT_ASSERT(*memw >= -mask && *memw <= max_offset); + + return push_inst(compiler, SUB | RD(TMP_REG1) | RN(arg) | imm); + } + } + } + + tmp = (sljit_uw)(argw & (sign | mask)); + tmp = (sljit_uw)((argw + ((tmp <= (sljit_uw)max_offset || tmp == (sljit_uw)sign) ? 0 : sign)) & ~mask); + *memw = argw - (sljit_sw)tmp; + + FAIL_IF(load_immediate(compiler, TMP_REG1, tmp)); + + if (arg == 0) + return SLJIT_SUCCESS; + + return push_inst(compiler, ADD | RD(TMP_REG1) | RN(TMP_REG1) | RM(arg)); } SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compiler, sljit_s32 type, @@ -2586,17 +3696,49 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile sljit_s32 mem, sljit_sw memw) { sljit_s32 flags; - sljit_uw is_type1_transfer, inst; CHECK_ERROR(); CHECK(check_sljit_emit_mem(compiler, type, reg, mem, memw)); + if (!(reg & REG_PAIR_MASK)) + return sljit_emit_mem_unaligned(compiler, type, reg, mem, memw); + + ADJUST_LOCAL_OFFSET(mem, memw); + + FAIL_IF(update_mem_addr(compiler, &mem, &memw, 0xfff - 4)); + + flags = WORD_SIZE; + + if (!(type & SLJIT_MEM_STORE)) { + if (REG_PAIR_FIRST(reg) == (mem & REG_MASK)) { + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, REG_PAIR_SECOND(reg), SLJIT_MEM1(mem), memw + SSIZE_OF(sw), TMP_REG1)); + return emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, REG_PAIR_FIRST(reg), SLJIT_MEM1(mem), memw, TMP_REG1); + } + + flags = WORD_SIZE | LOAD_DATA; + } + + FAIL_IF(emit_op_mem(compiler, flags, REG_PAIR_FIRST(reg), SLJIT_MEM1(mem), memw, TMP_REG1)); + return emit_op_mem(compiler, flags, REG_PAIR_SECOND(reg), SLJIT_MEM1(mem), memw + SSIZE_OF(sw), TMP_REG1); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem_update(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 reg, + sljit_s32 mem, sljit_sw memw) +{ + sljit_s32 flags; + sljit_ins is_type1_transfer, inst; + + CHECK_ERROR(); + CHECK(check_sljit_emit_mem_update(compiler, type, reg, mem, memw)); + is_type1_transfer = 1; switch (type & 0xff) { case SLJIT_MOV: case SLJIT_MOV_U32: case SLJIT_MOV_S32: + case SLJIT_MOV32: case SLJIT_MOV_P: flags = WORD_SIZE; break; @@ -2630,16 +3772,12 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { if (!is_type1_transfer && memw != 0) return SLJIT_ERR_UNSUPPORTED; - } - else { + } else { if (is_type1_transfer) { if (memw > 4095 || memw < -4095) return SLJIT_ERR_UNSUPPORTED; - } - else { - if (memw > 255 || memw < -255) - return SLJIT_ERR_UNSUPPORTED; - } + } else if (memw > 255 || memw < -255) + return SLJIT_ERR_UNSUPPORTED; } if (type & SLJIT_MEM_SUPP) @@ -2648,25 +3786,25 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { memw &= 0x3; - inst = EMIT_DATA_TRANSFER(flags, 1, reg, mem & REG_MASK, RM(OFFS_REG(mem)) | (memw << 7)); + inst = EMIT_DATA_TRANSFER(flags, 1, reg, mem & REG_MASK, RM(OFFS_REG(mem)) | ((sljit_ins)memw << 7)); if (is_type1_transfer) inst |= (1 << 25); - if (type & SLJIT_MEM_PRE) - inst |= (1 << 21); - else + if (type & SLJIT_MEM_POST) inst ^= (1 << 24); + else + inst |= (1 << 21); return push_inst(compiler, inst); } inst = EMIT_DATA_TRANSFER(flags, 0, reg, mem & REG_MASK, 0); - if (type & SLJIT_MEM_PRE) - inst |= (1 << 21); - else + if (type & SLJIT_MEM_POST) inst ^= (1 << 24); + else + inst |= (1 << 21); if (is_type1_transfer) { if (memw >= 0) @@ -2674,7 +3812,7 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile else memw = -memw; - return push_inst(compiler, inst | memw); + return push_inst(compiler, inst | (sljit_ins)memw); } if (memw >= 0) @@ -2682,7 +3820,750 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_mem(struct sljit_compiler *compile else memw = -memw; - return push_inst(compiler, inst | TYPE2_TRANSFER_IMM(memw)); + return push_inst(compiler, inst | TYPE2_TRANSFER_IMM((sljit_ins)memw)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fmem(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 mem, sljit_sw memw) +{ + CHECK_ERROR(); + CHECK(check_sljit_emit_fmem(compiler, type, freg, mem, memw)); + + if (type & SLJIT_MEM_ALIGNED_32) + return emit_fop_mem(compiler, ((type ^ SLJIT_32) & SLJIT_32) | ((type & SLJIT_MEM_STORE) ? 0 : FPU_LOAD), freg, mem, memw); + + if (type & SLJIT_MEM_STORE) { + FAIL_IF(push_inst(compiler, VMOV | (1 << 20) | VN(freg) | RD(TMP_REG2))); + + if (type & SLJIT_32) + return emit_op_mem(compiler, WORD_SIZE, TMP_REG2, mem, memw, TMP_REG1); + + FAIL_IF(update_mem_addr(compiler, &mem, &memw, 0xfff - 4)); + mem |= SLJIT_MEM; + + FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, mem, memw, TMP_REG1)); + FAIL_IF(push_inst(compiler, VMOV | (1 << 20) | VN(freg) | 0x80 | RD(TMP_REG2))); + return emit_op_mem(compiler, WORD_SIZE, TMP_REG2, mem, memw + 4, TMP_REG1); + } + + if (type & SLJIT_32) { + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG2, mem, memw, TMP_REG1)); + return push_inst(compiler, VMOV | VN(freg) | RD(TMP_REG2)); + } + + FAIL_IF(update_mem_addr(compiler, &mem, &memw, 0xfff - 4)); + mem |= SLJIT_MEM; + + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG2, mem, memw, TMP_REG1)); + FAIL_IF(emit_op_mem(compiler, WORD_SIZE | LOAD_DATA, TMP_REG1, mem, memw + 4, TMP_REG1)); + return push_inst(compiler, VMOV2 | VM(freg) | RD(TMP_REG2) | RN(TMP_REG1)); +} + +static sljit_s32 sljit_emit_simd_mem_offset(struct sljit_compiler *compiler, sljit_s32 *mem_ptr, sljit_sw memw) +{ + sljit_s32 mem = *mem_ptr; + sljit_uw imm; + + if (SLJIT_UNLIKELY(mem & OFFS_REG_MASK)) { + *mem_ptr = TMP_REG1; + return push_inst(compiler, ADD | RD(TMP_REG1) | RN(mem & REG_MASK) | RM(OFFS_REG(mem)) | ((sljit_ins)(memw & 0x3) << 7)); + } + + if (SLJIT_UNLIKELY(!(mem & REG_MASK))) { + *mem_ptr = TMP_REG1; + return load_immediate(compiler, TMP_REG1, (sljit_uw)memw); + } + + mem &= REG_MASK; + + if (memw == 0) { + *mem_ptr = mem; + return SLJIT_SUCCESS; + } + + *mem_ptr = TMP_REG1; + imm = get_imm((sljit_uw)(memw < 0 ? -memw : memw)); + + if (imm != 0) + return push_inst(compiler, ((memw < 0) ? SUB : ADD) | RD(TMP_REG1) | RN(mem) | imm); + + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)memw)); + return push_inst(compiler, ADD | RD(TMP_REG1) | RN(TMP_REG1) | RM(mem)); +} + +static SLJIT_INLINE sljit_s32 simd_get_quad_reg_index(sljit_s32 freg) +{ + freg += freg & 0x1; + + SLJIT_ASSERT((freg_map[freg] & 0x1) == (freg <= SLJIT_NUMBER_OF_SCRATCH_FLOAT_REGISTERS)); + + if (freg <= SLJIT_NUMBER_OF_SCRATCH_FLOAT_REGISTERS) + freg--; + + return freg; +} + +#define SLJIT_QUAD_OTHER_HALF(freg) ((((freg) & 0x1) << 1) - 1) + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_mov(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 srcdst, sljit_sw srcdstw) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_s32 alignment = SLJIT_SIMD_GET_ELEM2_SIZE(type); + sljit_ins ins; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_mov(compiler, type, freg, srcdst, srcdstw)); + + ADJUST_LOCAL_OFFSET(srcdst, srcdstw); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) && (elem_size < 2 || elem_size > 3)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) + freg = simd_get_quad_reg_index(freg); + + if (!(srcdst & SLJIT_MEM)) { + if (reg_size == 4) + srcdst = simd_get_quad_reg_index(srcdst); + + if (type & SLJIT_SIMD_STORE) + ins = VD(srcdst) | VN(freg) | VM(freg); + else + ins = VD(freg) | VN(srcdst) | VM(srcdst); + + if (reg_size == 4) + ins |= (sljit_ins)1 << 6; + + return push_inst(compiler, VORR | ins); + } + + FAIL_IF(sljit_emit_simd_mem_offset(compiler, &srcdst, srcdstw)); + + if (elem_size > 3) + elem_size = 3; + + ins = ((type & SLJIT_SIMD_STORE) ? VST1 : VLD1) | VD(freg) + | (sljit_ins)((reg_size == 3) ? (0x7 << 8) : (0xa << 8)); + + SLJIT_ASSERT(reg_size >= alignment); + + if (alignment == 3) + ins |= 0x10; + else if (alignment >= 3) + ins |= 0x20; + + return push_inst(compiler, ins | RN(srcdst) | ((sljit_ins)elem_size) << 6 | 0xf); +} + +static sljit_ins simd_get_imm(sljit_s32 elem_size, sljit_uw value) +{ + sljit_ins result; + + if (elem_size > 1 && (sljit_u16)value == (value >> 16)) { + elem_size = 1; + value = (sljit_u16)value; + } + + if (elem_size == 1 && (sljit_u8)value == (value >> 8)) { + elem_size = 0; + value = (sljit_u8)value; + } + + switch (elem_size) { + case 0: + SLJIT_ASSERT(value <= 0xff); + result = 0xe00; + break; + case 1: + SLJIT_ASSERT(value <= 0xffff); + result = 0; + + while (1) { + if (value <= 0xff) { + result |= 0x800; + break; + } + + if ((value & 0xff) == 0) { + value >>= 8; + result |= 0xa00; + break; + } + + if (result != 0) + return ~(sljit_ins)0; + + value ^= (sljit_uw)0xffff; + result = (1 << 5); + } + break; + default: + SLJIT_ASSERT(value <= 0xffffffff); + result = 0; + + while (1) { + if (value <= 0xff) { + result |= 0x000; + break; + } + + if ((value & ~(sljit_uw)0xff00) == 0) { + value >>= 8; + result |= 0x200; + break; + } + + if ((value & ~(sljit_uw)0xff0000) == 0) { + value >>= 16; + result |= 0x400; + break; + } + + if ((value & ~(sljit_uw)0xff000000) == 0) { + value >>= 24; + result |= 0x600; + break; + } + + if ((value & (sljit_uw)0xff) == 0xff && (value >> 16) == 0) { + value >>= 8; + result |= 0xc00; + break; + } + + if ((value & (sljit_uw)0xffff) == 0xffff && (value >> 24) == 0) { + value >>= 16; + result |= 0xd00; + break; + } + + if (result != 0) + return ~(sljit_ins)0; + + value = ~value; + result = (1 << 5); + } + break; + } + + return ((sljit_ins)value & 0xf) | (((sljit_ins)value & 0x70) << 12) | (((sljit_ins)value & 0x80) << 17) | result; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_replicate(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_ins ins, imm; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_replicate(compiler, type, freg, src, srcw)); + + ADJUST_LOCAL_OFFSET(src, srcw); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) ? (elem_size < 2 || elem_size > 3) : (elem_size > 2)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) + freg = simd_get_quad_reg_index(freg); + + if (src == SLJIT_IMM && srcw == 0) + return push_inst(compiler, VMOV_i | ((reg_size == 4) ? (1 << 6) : 0) | VD(freg)); + + if (SLJIT_UNLIKELY(elem_size == 3)) { + SLJIT_ASSERT(type & SLJIT_SIMD_FLOAT); + + if (src & SLJIT_MEM) { + FAIL_IF(emit_fop_mem(compiler, FPU_LOAD | SLJIT_32, freg, src, srcw)); + src = freg; + } else if (freg != src) + FAIL_IF(push_inst(compiler, VORR | VD(freg) | VN(src) | VM(src))); + + freg += SLJIT_QUAD_OTHER_HALF(freg); + + if (freg != src) + return push_inst(compiler, VORR | VD(freg) | VN(src) | VM(src)); + return SLJIT_SUCCESS; + } + + if (src & SLJIT_MEM) { + FAIL_IF(sljit_emit_simd_mem_offset(compiler, &src, srcw)); + + ins = (sljit_ins)(elem_size << 6); + + if (reg_size == 4) + ins |= (sljit_ins)1 << 5; + + return push_inst(compiler, VLD1_r | ins | VD(freg) | RN(src) | 0xf); + } + + if (type & SLJIT_SIMD_FLOAT) { + SLJIT_ASSERT(elem_size == 2); + ins = ((sljit_ins)freg_ebit_map[src] << (16 + 2 + 1)) | ((sljit_ins)1 << (16 + 2)); + + if (reg_size == 4) + ins |= (sljit_ins)1 << 6; + + return push_inst(compiler, VDUP_s | ins | VD(freg) | (sljit_ins)freg_map[src]); + } + + if (src == SLJIT_IMM) { + if (elem_size < 2) + srcw &= ((sljit_sw)1 << (((sljit_sw)1 << elem_size) << 3)) - 1; + + imm = simd_get_imm(elem_size, (sljit_uw)srcw); + + if (imm != ~(sljit_ins)0) { + if (reg_size == 4) + imm |= (sljit_ins)1 << 6; + + return push_inst(compiler, VMOV_i | imm | VD(freg)); + } + + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)srcw)); + src = TMP_REG1; + } + + switch (elem_size) { + case 0: + ins = 1 << 22; + break; + case 1: + ins = 1 << 5; + break; + default: + ins = 0; + break; + } + + if (reg_size == 4) + ins |= (sljit_ins)1 << 21; + + return push_inst(compiler, VDUP | ins | VN(freg) | RD(src)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_lane_mov(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, sljit_s32 lane_index, + sljit_s32 srcdst, sljit_sw srcdstw) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_ins ins; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_lane_mov(compiler, type, freg, lane_index, srcdst, srcdstw)); + + ADJUST_LOCAL_OFFSET(srcdst, srcdstw); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) ? (elem_size < 2 || elem_size > 3) : (elem_size > 2)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) + freg = simd_get_quad_reg_index(freg); + + if (type & SLJIT_SIMD_LANE_ZERO) { + ins = (reg_size == 3) ? 0 : ((sljit_ins)1 << 6); + + if (type & SLJIT_SIMD_FLOAT) { + if (elem_size == 3 && !(srcdst & SLJIT_MEM)) { + if (lane_index == 1) + freg += SLJIT_QUAD_OTHER_HALF(freg); + + if (srcdst != freg) + FAIL_IF(push_inst(compiler, VORR | VD(freg) | VN(srcdst) | VM(srcdst))); + + freg += SLJIT_QUAD_OTHER_HALF(freg); + return push_inst(compiler, VMOV_i | VD(freg)); + } + + if (srcdst == freg || (elem_size == 3 && srcdst == (freg + SLJIT_QUAD_OTHER_HALF(freg)))) { + FAIL_IF(push_inst(compiler, VORR | ins | VD(TMP_FREG2) | VN(freg) | VM(freg))); + srcdst = TMP_FREG2; + srcdstw = 0; + } + } + + FAIL_IF(push_inst(compiler, VMOV_i | ins | VD(freg))); + } + + if (reg_size == 4 && lane_index >= (0x8 >> elem_size)) { + lane_index -= (0x8 >> elem_size); + freg += SLJIT_QUAD_OTHER_HALF(freg); + } + + if (srcdst & SLJIT_MEM) { + if (elem_size == 3) + return emit_fop_mem(compiler, ((type & SLJIT_SIMD_STORE) ? 0 : FPU_LOAD) | SLJIT_32, freg, srcdst, srcdstw); + + FAIL_IF(sljit_emit_simd_mem_offset(compiler, &srcdst, srcdstw)); + + lane_index = lane_index << elem_size; + ins = (sljit_ins)((elem_size << 10) | (lane_index << 5)); + return push_inst(compiler, ((type & SLJIT_SIMD_STORE) ? VST1_s : VLD1_s) | ins | VD(freg) | RN(srcdst) | 0xf); + } + + if (type & SLJIT_SIMD_FLOAT) { + if (elem_size == 3) { + if (type & SLJIT_SIMD_STORE) + return push_inst(compiler, VORR | VD(srcdst) | VN(freg) | VM(freg)); + return push_inst(compiler, VMOV_F32 | SLJIT_32 | VD(freg) | VM(srcdst)); + } + + if (type & SLJIT_SIMD_STORE) { + if (freg_ebit_map[freg] == 0) { + if (lane_index == 1) + freg = SLJIT_F64_SECOND(freg); + + return push_inst(compiler, VMOV_F32 | VD(srcdst) | VM(freg)); + } + + FAIL_IF(push_inst(compiler, VMOV_s | (1 << 20) | ((sljit_ins)lane_index << 21) | VN(freg) | RD(TMP_REG1))); + return push_inst(compiler, VMOV | VN(srcdst) | RD(TMP_REG1)); + } + + FAIL_IF(push_inst(compiler, VMOV | (1 << 20) | VN(srcdst) | RD(TMP_REG1))); + return push_inst(compiler, VMOV_s | ((sljit_ins)lane_index << 21) | VN(freg) | RD(TMP_REG1)); + } + + if (srcdst == SLJIT_IMM) { + if (elem_size < 2) + srcdstw &= ((sljit_sw)1 << (((sljit_sw)1 << elem_size) << 3)) - 1; + + FAIL_IF(load_immediate(compiler, TMP_REG1, (sljit_uw)srcdstw)); + srcdst = TMP_REG1; + } + + if (elem_size == 0) + ins = 0x400000; + else if (elem_size == 1) + ins = 0x20; + else + ins = 0; + + lane_index = lane_index << elem_size; + ins |= (sljit_ins)(((lane_index & 0x4) << 19) | ((lane_index & 0x3) << 5)); + + if (type & SLJIT_SIMD_STORE) { + ins |= (1 << 20); + + if (elem_size < 2 && !(type & SLJIT_SIMD_LANE_SIGNED)) + ins |= (1 << 23); + } + + return push_inst(compiler, VMOV_s | ins | VN(freg) | RD(srcdst)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_lane_replicate(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 src, sljit_s32 src_lane_index) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_ins ins; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_lane_replicate(compiler, type, freg, src, src_lane_index)); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) && (elem_size < 2 || elem_size > 3)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) { + freg = simd_get_quad_reg_index(freg); + src = simd_get_quad_reg_index(src); + + if (src_lane_index >= (0x8 >> elem_size)) { + src_lane_index -= (0x8 >> elem_size); + src += SLJIT_QUAD_OTHER_HALF(src); + } + } + + if (elem_size == 3) { + if (freg != src) + FAIL_IF(push_inst(compiler, VORR | VD(freg) | VN(src) | VM(src))); + + freg += SLJIT_QUAD_OTHER_HALF(freg); + + if (freg != src) + return push_inst(compiler, VORR | VD(freg) | VN(src) | VM(src)); + return SLJIT_SUCCESS; + } + + ins = ((((sljit_ins)src_lane_index << 1) | 1) << (16 + elem_size)); + + if (reg_size == 4) + ins |= (sljit_ins)1 << 6; + + return push_inst(compiler, VDUP_s | ins | VD(freg) | VM(src)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_extend(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 src, sljit_sw srcw) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_s32 elem2_size = SLJIT_SIMD_GET_ELEM2_SIZE(type); + sljit_s32 dst_reg; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_extend(compiler, type, freg, src, srcw)); + + ADJUST_LOCAL_OFFSET(src, srcw); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) && (elem_size != 2 || elem2_size != 3)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) + freg = simd_get_quad_reg_index(freg); + + if (src & SLJIT_MEM) { + FAIL_IF(sljit_emit_simd_mem_offset(compiler, &src, srcw)); + if (reg_size == 4 && elem2_size - elem_size == 1) + FAIL_IF(push_inst(compiler, VLD1 | (0x7 << 8) | VD(freg) | RN(src) | 0xf)); + else + FAIL_IF(push_inst(compiler, VLD1_s | (sljit_ins)((reg_size - elem2_size + elem_size) << 10) | VD(freg) | RN(src) | 0xf)); + src = freg; + } else if (reg_size == 4) + src = simd_get_quad_reg_index(src); + + if (!(type & SLJIT_SIMD_FLOAT)) { + dst_reg = (reg_size == 4) ? freg : TMP_FREG2; + + do { + FAIL_IF(push_inst(compiler, VSHLL | ((type & SLJIT_SIMD_EXTEND_SIGNED) ? 0 : (1 << 24)) + | ((sljit_ins)1 << (19 + elem_size)) | VD(dst_reg) | VM(src))); + src = dst_reg; + } while (++elem_size < elem2_size); + + if (dst_reg == TMP_FREG2) + return push_inst(compiler, VORR | VD(freg) | VN(TMP_FREG2) | VM(TMP_FREG2)); + return SLJIT_SUCCESS; + } + + /* No SIMD variant, must use VFP instead. */ + SLJIT_ASSERT(reg_size == 4); + + if (freg == src) { + freg += SLJIT_QUAD_OTHER_HALF(freg); + FAIL_IF(push_inst(compiler, VCVT_F64_F32 | VD(freg) | VM(src) | 0x20)); + freg += SLJIT_QUAD_OTHER_HALF(freg); + return push_inst(compiler, VCVT_F64_F32 | VD(freg) | VM(src)); + } + + FAIL_IF(push_inst(compiler, VCVT_F64_F32 | VD(freg) | VM(src))); + freg += SLJIT_QUAD_OTHER_HALF(freg); + return push_inst(compiler, VCVT_F64_F32 | VD(freg) | VM(src) | 0x20); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_sign(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 freg, + sljit_s32 dst, sljit_sw dstw) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_ins ins, imms; + sljit_s32 dst_r; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_sign(compiler, type, freg, dst, dstw)); + + ADJUST_LOCAL_OFFSET(dst, dstw); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) && (elem_size < 2 || elem_size > 3)) + return SLJIT_ERR_UNSUPPORTED; + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + switch (elem_size) { + case 0: + imms = 0x243219; + ins = VSHR | (1 << 24) | (0x9 << 16); + break; + case 1: + imms = (reg_size == 4) ? 0x243219 : 0x2231; + ins = VSHR | (1 << 24) | (0x11 << 16); + break; + case 2: + imms = (reg_size == 4) ? 0x2231 : 0x21; + ins = VSHR | (1 << 24) | (0x21 << 16); + break; + default: + imms = 0x21; + ins = VSHR | (1 << 24) | (0x1 << 16) | (1 << 7); + break; + } + + if (reg_size == 4) { + freg = simd_get_quad_reg_index(freg); + ins |= (sljit_ins)1 << 6; + } + + SLJIT_ASSERT((freg_map[TMP_FREG2] & 0x1) == 0); + FAIL_IF(push_inst(compiler, ins | VD(TMP_FREG2) | VM(freg))); + + if (reg_size == 4 && elem_size > 0) + FAIL_IF(push_inst(compiler, VMOVN | ((sljit_ins)(elem_size - 1) << 18) | VD(TMP_FREG2) | VM(TMP_FREG2))); + + ins = (reg_size == 4 && elem_size == 0) ? (1 << 6) : 0; + + while (imms >= 0x100) { + FAIL_IF(push_inst(compiler, VSRA | (1 << 24) | ins | ((imms & 0xff) << 16) | VD(TMP_FREG2) | VM(TMP_FREG2))); + imms >>= 8; + } + + FAIL_IF(push_inst(compiler, VSRA | (1 << 24) | ins | (1 << 7) | (imms << 16) | VD(TMP_FREG2) | VM(TMP_FREG2))); + + dst_r = FAST_IS_REG(dst) ? dst : TMP_REG1; + FAIL_IF(push_inst(compiler, VMOV_s | (1 << 20) | (1 << 23) | (0x2 << 21) | RD(dst_r) | VN(TMP_FREG2))); + + if (reg_size == 4 && elem_size == 0) { + SLJIT_ASSERT(freg_map[TMP_FREG2] + 1 == freg_map[TMP_FREG1]); + FAIL_IF(push_inst(compiler, VMOV_s | (1 << 20) | (1 << 23) | (0x2 << 21) | RD(TMP_REG2) | VN(TMP_FREG1))); + FAIL_IF(push_inst(compiler, ORR | RD(dst_r) | RN(dst_r) | RM(TMP_REG2) | (0x8 << 7))); + } + + if (dst_r == TMP_REG1) + return emit_op_mem(compiler, WORD_SIZE, TMP_REG1, dst, dstw, TMP_REG2); + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_simd_op2(struct sljit_compiler *compiler, sljit_s32 type, + sljit_s32 dst_freg, sljit_s32 src1_freg, sljit_s32 src2_freg) +{ + sljit_s32 reg_size = SLJIT_SIMD_GET_REG_SIZE(type); + sljit_s32 elem_size = SLJIT_SIMD_GET_ELEM_SIZE(type); + sljit_ins ins = 0; + + CHECK_ERROR(); + CHECK(check_sljit_emit_simd_op2(compiler, type, dst_freg, src1_freg, src2_freg)); + + if (reg_size != 3 && reg_size != 4) + return SLJIT_ERR_UNSUPPORTED; + + if ((type & SLJIT_SIMD_FLOAT) && (elem_size < 2 || elem_size > 3)) + return SLJIT_ERR_UNSUPPORTED; + + switch (SLJIT_SIMD_GET_OPCODE(type)) { + case SLJIT_SIMD_OP2_AND: + ins = VAND; + break; + case SLJIT_SIMD_OP2_OR: + ins = VORR; + break; + case SLJIT_SIMD_OP2_XOR: + ins = VEOR; + break; + } + + if (type & SLJIT_SIMD_TEST) + return SLJIT_SUCCESS; + + if (reg_size == 4) { + dst_freg = simd_get_quad_reg_index(dst_freg); + src1_freg = simd_get_quad_reg_index(src1_freg); + src2_freg = simd_get_quad_reg_index(src2_freg); + ins |= (sljit_ins)1 << 6; + } + + return push_inst(compiler, ins | VD(dst_freg) | VN(src1_freg) | VM(src2_freg)); +} + +#undef FPU_LOAD + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_atomic_load(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 dst_reg, + sljit_s32 mem_reg) +{ + sljit_u32 ins; + + CHECK_ERROR(); + CHECK(check_sljit_emit_atomic_load(compiler, op, dst_reg, mem_reg)); + + switch (GET_OPCODE(op)) { + case SLJIT_MOV_U8: + ins = LDREXB; + break; + case SLJIT_MOV_U16: + ins = LDREXH; + break; + default: + ins = LDREX; + break; + } + + return push_inst(compiler, ins | RN(mem_reg) | RD(dst_reg)); +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_atomic_store(struct sljit_compiler *compiler, sljit_s32 op, + sljit_s32 src_reg, + sljit_s32 mem_reg, + sljit_s32 temp_reg) +{ + sljit_u32 ins; + + /* temp_reg == mem_reg is undefined so use another temp register */ + SLJIT_UNUSED_ARG(temp_reg); + + CHECK_ERROR(); + CHECK(check_sljit_emit_atomic_store(compiler, op, src_reg, mem_reg, temp_reg)); + + switch (GET_OPCODE(op)) { + case SLJIT_MOV_U8: + ins = STREXB; + break; + case SLJIT_MOV_U16: + ins = STREXH; + break; + default: + ins = STREX; + break; + } + + FAIL_IF(push_inst(compiler, ins | RN(mem_reg) | RD(TMP_REG1) | RM(src_reg))); + if (op & SLJIT_SET_ATOMIC_STORED) + return push_inst(compiler, CMP | SET_FLAGS | SRC2_IMM | RN(TMP_REG1)); + + return SLJIT_SUCCESS; } SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value) @@ -2694,57 +4575,62 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compi CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value)); ADJUST_LOCAL_OFFSET(dst, dstw); - dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG2; - -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) - PTR_FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, dst_r, TMP_PC, 0), init_value)); - compiler->patches++; -#else - PTR_FAIL_IF(emit_imm(compiler, dst_r, init_value)); -#endif - const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); PTR_FAIL_IF(!const_); set_const(const_, compiler); + dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; + +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) + PTR_FAIL_IF(push_inst_with_unique_literal(compiler, + EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, dst_r, TMP_PC, 0), (sljit_ins)init_value)); + compiler->patches++; +#else /* !SLJIT_CONFIG_ARM_V6 */ + PTR_FAIL_IF(emit_imm(compiler, dst_r, init_value)); +#endif /* SLJIT_CONFIG_ARM_V6 */ + if (dst & SLJIT_MEM) PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, dst, dstw, TMP_REG1)); return const_; } -SLJIT_API_FUNC_ATTRIBUTE struct sljit_put_label* sljit_emit_put_label(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) +SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_mov_addr(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw) { - struct sljit_put_label *put_label; + struct sljit_jump *jump; sljit_s32 dst_r; CHECK_ERROR_PTR(); - CHECK_PTR(check_sljit_emit_put_label(compiler, dst, dstw)); + CHECK_PTR(check_sljit_emit_mov_addr(compiler, dst, dstw)); ADJUST_LOCAL_OFFSET(dst, dstw); - dst_r = SLOW_IS_REG(dst) ? dst : TMP_REG2; + dst_r = FAST_IS_REG(dst) ? dst : TMP_REG2; -#if (defined SLJIT_CONFIG_ARM_V5 && SLJIT_CONFIG_ARM_V5) +#if (defined SLJIT_CONFIG_ARM_V6 && SLJIT_CONFIG_ARM_V6) PTR_FAIL_IF(push_inst_with_unique_literal(compiler, EMIT_DATA_TRANSFER(WORD_SIZE | LOAD_DATA, 1, dst_r, TMP_PC, 0), 0)); compiler->patches++; -#else - PTR_FAIL_IF(emit_imm(compiler, dst_r, 0)); -#endif +#else /* !SLJIT_CONFIG_ARM_V6 */ + PTR_FAIL_IF(push_inst(compiler, RD(dst_r))); +#endif /* SLJIT_CONFIG_ARM_V6 */ - put_label = (struct sljit_put_label*)ensure_abuf(compiler, sizeof(struct sljit_put_label)); - PTR_FAIL_IF(!put_label); - set_put_label(put_label, compiler, 0); + jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); + PTR_FAIL_IF(!jump); + set_mov_addr(jump, compiler, 1); + +#if (defined SLJIT_CONFIG_ARM_V7 && SLJIT_CONFIG_ARM_V7) + compiler->size += 1; +#endif /* SLJIT_CONFIG_ARM_V7 */ if (dst & SLJIT_MEM) PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE, TMP_REG2, dst, dstw, TMP_REG1)); - return put_label; + return jump; } SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset) { - inline_set_jump_addr(addr, executable_offset, new_target, 1); + set_jump_addr(addr, executable_offset, new_target, 1); } SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset) { - inline_set_const(addr, executable_offset, new_constant, 1); + set_const_value(addr, executable_offset, (sljit_uw)new_constant, 1); } |