diff options
Diffstat (limited to 'src/3rdparty/pcre/sljit/sljitNativePPC_common.c')
| -rw-r--r-- | src/3rdparty/pcre/sljit/sljitNativePPC_common.c | 1872 |
1 files changed, 1872 insertions, 0 deletions
diff --git a/src/3rdparty/pcre/sljit/sljitNativePPC_common.c b/src/3rdparty/pcre/sljit/sljitNativePPC_common.c new file mode 100644 index 0000000000..f0f191de1f --- /dev/null +++ b/src/3rdparty/pcre/sljit/sljitNativePPC_common.c @@ -0,0 +1,1872 @@ +/* + * Stack-less Just-In-Time compiler + * + * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT + * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name() +{ + return "PowerPC" SLJIT_CPUINFO; +} + +/* Length of an instruction word. + Both for ppc-32 and ppc-64. */ +typedef sljit_ui sljit_ins; + +static void ppc_cache_flush(sljit_ins *from, sljit_ins *to) +{ + while (from < to) { +#ifdef __GNUC__ + asm volatile ( "icbi 0, %0" : : "r"(from) ); +#else +#error "Must implement icbi" +#endif + from++; + } +} + +#define TMP_REG1 (SLJIT_NO_REGISTERS + 1) +#define TMP_REG2 (SLJIT_NO_REGISTERS + 2) +#define TMP_REG3 (SLJIT_NO_REGISTERS + 3) +#define ZERO_REG (SLJIT_NO_REGISTERS + 4) +#define REAL_STACK_PTR (SLJIT_NO_REGISTERS + 5) + +#define TMP_FREG1 (SLJIT_FLOAT_REG4 + 1) +#define TMP_FREG2 (SLJIT_FLOAT_REG4 + 2) + +/* --------------------------------------------------------------------- */ +/* Instrucion forms */ +/* --------------------------------------------------------------------- */ +#define D(d) (reg_map[d] << 21) +#define S(s) (reg_map[s] << 21) +#define A(a) (reg_map[a] << 16) +#define B(b) (reg_map[b] << 11) +#define C(c) (reg_map[c] << 6) +#define FD(fd) ((fd) << 21) +#define FA(fa) ((fa) << 16) +#define FB(fb) ((fb) << 11) +#define FC(fc) ((fc) << 6) +#define IMM(imm) ((imm) & 0xffff) +#define CRD(d) ((d) << 21) + +/* Instruction bit sections. + OE and Rc flag (see ALT_SET_FLAGS). */ +#define OERC(flags) (((flags & ALT_SET_FLAGS) >> 10) | (flags & ALT_SET_FLAGS)) +/* Rc flag (see ALT_SET_FLAGS). */ +#define RC(flags) ((flags & ALT_SET_FLAGS) >> 10) +#define HI(opcode) ((opcode) << 26) +#define LO(opcode) ((opcode) << 1) + +#define ADD (HI(31) | LO(266)) +#define ADDC (HI(31) | LO(10)) +#define ADDE (HI(31) | LO(138)) +#define ADDI (HI(14)) +#define ADDIC (HI(13)) +#define ADDIS (HI(15)) +#define ADDME (HI(31) | LO(234)) +#define AND (HI(31) | LO(28)) +#define ANDI (HI(28)) +#define ANDIS (HI(29)) +#define Bx (HI(18)) +#define BCx (HI(16)) +#define BCCTR (HI(19) | LO(528) | (3 << 11)) +#define BLR (HI(19) | LO(16) | (0x14 << 21)) +#define CNTLZD (HI(31) | LO(58)) +#define CNTLZW (HI(31) | LO(26)) +#define CMP (HI(31) | LO(0)) +#define CMPI (HI(11)) +#define CMPL (HI(31) | LO(32)) +#define CMPLI (HI(10)) +#define CROR (HI(19) | LO(449)) +#define DIVD (HI(31) | LO(489)) +#define DIVDU (HI(31) | LO(457)) +#define DIVW (HI(31) | LO(491)) +#define DIVWU (HI(31) | LO(459)) +#define EXTSB (HI(31) | LO(954)) +#define EXTSH (HI(31) | LO(922)) +#define EXTSW (HI(31) | LO(986)) +#define FABS (HI(63) | LO(264)) +#define FADD (HI(63) | LO(21)) +#define FCMPU (HI(63) | LO(0)) +#define FDIV (HI(63) | LO(18)) +#define FMR (HI(63) | LO(72)) +#define FMUL (HI(63) | LO(25)) +#define FNEG (HI(63) | LO(40)) +#define FSUB (HI(63) | LO(20)) +#define LD (HI(58) | 0) +#define LFD (HI(50)) +#define LFDUX (HI(31) | LO(631)) +#define LFDX (HI(31) | LO(599)) +#define LWZ (HI(32)) +#define MFCR (HI(31) | LO(19)) +#define MFLR (HI(31) | LO(339) | 0x80000) +#define MFXER (HI(31) | LO(339) | 0x10000) +#define MTCTR (HI(31) | LO(467) | 0x90000) +#define MTLR (HI(31) | LO(467) | 0x80000) +#define MTXER (HI(31) | LO(467) | 0x10000) +#define MULHD (HI(31) | LO(73)) +#define MULHDU (HI(31) | LO(9)) +#define MULHW (HI(31) | LO(75)) +#define MULHWU (HI(31) | LO(11)) +#define MULLD (HI(31) | LO(233)) +#define MULLI (HI(7)) +#define MULLW (HI(31) | LO(235)) +#define NEG (HI(31) | LO(104)) +#define NOP (HI(24)) +#define NOR (HI(31) | LO(124)) +#define OR (HI(31) | LO(444)) +#define ORI (HI(24)) +#define ORIS (HI(25)) +#define RLDICL (HI(30)) +#define RLWINM (HI(21)) +#define SLD (HI(31) | LO(27)) +#define SLW (HI(31) | LO(24)) +#define SRAD (HI(31) | LO(794)) +#define SRADI (HI(31) | LO(413 << 1)) +#define SRAW (HI(31) | LO(792)) +#define SRAWI (HI(31) | LO(824)) +#define SRD (HI(31) | LO(539)) +#define SRW (HI(31) | LO(536)) +#define STD (HI(62) | 0) +#define STDU (HI(62) | 1) +#define STDUX (HI(31) | LO(181)) +#define STFD (HI(54)) +#define STFDUX (HI(31) | LO(759)) +#define STFDX (HI(31) | LO(727)) +#define STW (HI(36)) +#define STWU (HI(37)) +#define STWUX (HI(31) | LO(183)) +#define SUBF (HI(31) | LO(40)) +#define SUBFC (HI(31) | LO(8)) +#define SUBFE (HI(31) | LO(136)) +#define SUBFIC (HI(8)) +#define XOR (HI(31) | LO(316)) +#define XORI (HI(26)) +#define XORIS (HI(27)) + +#define SIMM_MAX (0x7fff) +#define SIMM_MIN (-0x8000) +#define UIMM_MAX (0xffff) + +/* SLJIT_LOCALS_REG is not the real stack register, since it must + point to the head of the stack chain. */ +static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 6] = { + 0, 3, 4, 5, 6, 7, 29, 28, 27, 26, 25, 31, 8, 9, 10, 30, 1 +}; + +static int push_inst(struct sljit_compiler *compiler, sljit_ins ins) +{ + sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins)); + FAIL_IF(!ptr); + *ptr = ins; + compiler->size++; + return SLJIT_SUCCESS; +} + +static SLJIT_INLINE int optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code) +{ + sljit_w diff; + sljit_uw target_addr; + + if (jump->flags & SLJIT_REWRITABLE_JUMP) + return 0; + + if (jump->flags & JUMP_ADDR) + target_addr = jump->u.target; + else { + SLJIT_ASSERT(jump->flags & JUMP_LABEL); + target_addr = (sljit_uw)(code + jump->u.label->size); + } + diff = ((sljit_w)target_addr - (sljit_w)(code_ptr)) & ~0x3l; + + if (jump->flags & UNCOND_B) { + if (diff <= 0x01ffffff && diff >= -0x02000000) { + jump->flags |= PATCH_B; + return 1; + } + if (target_addr <= 0x03ffffff) { + jump->flags |= PATCH_B | ABSOLUTE_B; + return 1; + } + } + else { + if (diff <= 0x7fff && diff >= -0x8000) { + jump->flags |= PATCH_B; + return 1; + } + if (target_addr <= 0xffff) { + jump->flags |= PATCH_B | ABSOLUTE_B; + return 1; + } + } + return 0; +} + +SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) +{ + struct sljit_memory_fragment *buf; + sljit_ins *code; + sljit_ins *code_ptr; + sljit_ins *buf_ptr; + sljit_ins *buf_end; + sljit_uw word_count; + sljit_uw addr; + + struct sljit_label *label; + struct sljit_jump *jump; + struct sljit_const *const_; + + CHECK_ERROR_PTR(); + check_sljit_generate_code(compiler); + reverse_buf(compiler); + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins)); +#endif + code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins)); + PTR_FAIL_WITH_EXEC_IF(code); + buf = compiler->buf; + + code_ptr = code; + word_count = 0; + label = compiler->labels; + jump = compiler->jumps; + const_ = compiler->consts; + do { + buf_ptr = (sljit_ins*)buf->memory; + buf_end = buf_ptr + (buf->used_size >> 2); + do { + *code_ptr = *buf_ptr++; + SLJIT_ASSERT(!label || label->size >= word_count); + SLJIT_ASSERT(!jump || jump->addr >= word_count); + SLJIT_ASSERT(!const_ || const_->addr >= word_count); + /* These structures are ordered by their address. */ + if (label && label->size == word_count) { + /* Just recording the address. */ + label->addr = (sljit_uw)code_ptr; + label->size = code_ptr - code; + label = label->next; + } + if (jump && jump->addr == word_count) { +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + jump->addr = (sljit_uw)(code_ptr - 3); +#else + jump->addr = (sljit_uw)(code_ptr - 6); +#endif + if (optimize_jump(jump, code_ptr, code)) { +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + code_ptr[-3] = code_ptr[0]; + code_ptr -= 3; +#else + code_ptr[-6] = code_ptr[0]; + code_ptr -= 6; +#endif + } + jump = jump->next; + } + if (const_ && const_->addr == word_count) { + /* Just recording the address. */ + const_->addr = (sljit_uw)code_ptr; + const_ = const_->next; + } + code_ptr ++; + word_count ++; + } while (buf_ptr < buf_end); + + buf = buf->next; + } while (buf); + + if (label && label->size == word_count) { + label->addr = (sljit_uw)code_ptr; + label->size = code_ptr - code; + label = label->next; + } + + SLJIT_ASSERT(!label); + SLJIT_ASSERT(!jump); + SLJIT_ASSERT(!const_); +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + SLJIT_ASSERT(code_ptr - code <= (int)compiler->size - ((compiler->size & 0x1) ? 3 : 2)); +#else + SLJIT_ASSERT(code_ptr - code <= (int)compiler->size); +#endif + + jump = compiler->jumps; + while (jump) { + do { + addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target; + buf_ptr = (sljit_ins*)jump->addr; + if (jump->flags & PATCH_B) { + if (jump->flags & UNCOND_B) { + if (!(jump->flags & ABSOLUTE_B)) { + addr = addr - jump->addr; + SLJIT_ASSERT((sljit_w)addr <= 0x01ffffff && (sljit_w)addr >= -0x02000000); + *buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1); + } + else { + SLJIT_ASSERT(addr <= 0x03ffffff); + *buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1); + } + } + else { + if (!(jump->flags & ABSOLUTE_B)) { + addr = addr - jump->addr; + SLJIT_ASSERT((sljit_w)addr <= 0x7fff && (sljit_w)addr >= -0x8000); + *buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001); + } + else { + addr = addr & ~0x3l; + SLJIT_ASSERT(addr <= 0xffff); + *buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001); + } + + } + break; + } + /* Set the fields of immediate loads. */ +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff); + buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff); +#else + buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff); + buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff); + buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff); + buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff); +#endif + } while (0); + jump = jump->next; + } + + SLJIT_CACHE_FLUSH(code, code_ptr); + compiler->error = SLJIT_ERR_COMPILED; + compiler->executable_size = compiler->size * sizeof(sljit_ins); + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (((sljit_w)code_ptr) & 0x4) + code_ptr++; + sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_w)code, sljit_generate_code); + return code_ptr; +#else + return code; +#endif +} + +/* inp_flags: */ + +/* Creates an index in data_transfer_insts array. */ +#define WORD_DATA 0x00 +#define BYTE_DATA 0x01 +#define HALF_DATA 0x02 +#define INT_DATA 0x03 +#define SIGNED_DATA 0x04 +#define LOAD_DATA 0x08 +#define WRITE_BACK 0x10 +#define INDEXED 0x20 + +#define MEM_MASK 0x3f + +/* Other inp_flags. */ + +#define ARG_TEST 0x000100 +/* Integer opertion and set flags -> requires exts on 64 bit systems. */ +#define ALT_SIGN_EXT 0x000200 +/* This flag affects the RC() and OERC() macros. */ +#define ALT_SET_FLAGS 0x000400 +#define ALT_FORM1 0x010000 +#define ALT_FORM2 0x020000 +#define ALT_FORM3 0x040000 +#define ALT_FORM4 0x080000 +#define ALT_FORM5 0x100000 +#define ALT_FORM6 0x200000 + +/* Source and destination is register. */ +#define REG_DEST 0x000001 +#define REG1_SOURCE 0x000002 +#define REG2_SOURCE 0x000004 +/* getput_arg_fast returned true. */ +#define FAST_DEST 0x000008 +/* Multiple instructions are required. */ +#define SLOW_DEST 0x000010 +/* +ALT_SIGN_EXT 0x000200 +ALT_SET_FLAGS 0x000400 +ALT_FORM1 0x010000 +... +ALT_FORM6 0x200000 */ + +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) +#include "sljitNativePPC_32.c" +#else +#include "sljitNativePPC_64.c" +#endif + +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) +#define STACK_STORE STW +#define STACK_LOAD LWZ +#else +#define STACK_STORE STD +#define STACK_LOAD LD +#endif + +static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags, + int dst, sljit_w dstw, + int src1, sljit_w src1w, + int src2, sljit_w src2w); + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size) +{ + CHECK_ERROR(); + check_sljit_emit_enter(compiler, args, temporaries, saveds, local_size); + + compiler->temporaries = temporaries; + compiler->saveds = saveds; + compiler->has_locals = local_size > 0; + + FAIL_IF(push_inst(compiler, MFLR | D(0))); + if (compiler->has_locals) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) )); + FAIL_IF(push_inst(compiler, STACK_STORE | S(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) )); + if (saveds >= 1) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) )); + if (saveds >= 2) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) )); + if (saveds >= 3) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) )); + if (saveds >= 4) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) )); + if (saveds >= 5) + FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_SAVED_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) )); + FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w)) )); + + FAIL_IF(push_inst(compiler, ADDI | D(ZERO_REG) | A(0) | 0)); + if (args >= 1) + FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(SLJIT_SAVED_REG1) | B(SLJIT_TEMPORARY_REG1))); + if (args >= 2) + FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG2) | A(SLJIT_SAVED_REG2) | B(SLJIT_TEMPORARY_REG2))); + if (args >= 3) + FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG3) | A(SLJIT_SAVED_REG3) | B(SLJIT_TEMPORARY_REG3))); + +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size; +#else + compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size; +#endif + compiler->local_size = (compiler->local_size + 15) & ~0xf; + +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + if (compiler->local_size <= SIMM_MAX) + FAIL_IF(push_inst(compiler, STWU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size))); + else { + FAIL_IF(load_immediate(compiler, 0, -compiler->local_size)); + FAIL_IF(push_inst(compiler, STWUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0))); + } + if (compiler->has_locals) + FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(2 * sizeof(sljit_w)))); +#else + if (compiler->local_size <= SIMM_MAX) + FAIL_IF(push_inst(compiler, STDU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size))); + else { + FAIL_IF(load_immediate(compiler, 0, -compiler->local_size)); + FAIL_IF(push_inst(compiler, STDUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0))); + } + if (compiler->has_locals) + FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM((7 + 8) * sizeof(sljit_w)))); +#endif + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE void sljit_set_context(struct sljit_compiler *compiler, int args, int temporaries, int saveds, int local_size) +{ + CHECK_ERROR_VOID(); + check_sljit_set_context(compiler, args, temporaries, saveds, local_size); + + compiler->temporaries = temporaries; + compiler->saveds = saveds; + + compiler->has_locals = local_size > 0; +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size; +#else + compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size; +#endif + compiler->local_size = (compiler->local_size + 15) & ~0xf; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int op, int src, sljit_w srcw) +{ + CHECK_ERROR(); + check_sljit_emit_return(compiler, op, src, srcw); + + FAIL_IF(emit_mov_before_return(compiler, op, src, srcw)); + + if (compiler->local_size <= SIMM_MAX) + FAIL_IF(push_inst(compiler, ADDI | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(compiler->local_size))); + else { + FAIL_IF(load_immediate(compiler, 0, compiler->local_size)); + FAIL_IF(push_inst(compiler, ADD | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0))); + } + + FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w)))); + if (compiler->saveds >= 5) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) )); + if (compiler->saveds >= 4) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) )); + if (compiler->saveds >= 3) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) )); + if (compiler->saveds >= 2) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) )); + if (compiler->saveds >= 1) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_SAVED_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) )); + FAIL_IF(push_inst(compiler, STACK_LOAD | D(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) )); + if (compiler->has_locals) + FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) )); + + FAIL_IF(push_inst(compiler, MTLR | S(0))); + FAIL_IF(push_inst(compiler, BLR)); + + return SLJIT_SUCCESS; +} + +#undef STACK_STORE +#undef STACK_LOAD + +/* --------------------------------------------------------------------- */ +/* Operators */ +/* --------------------------------------------------------------------- */ + +/* i/x - immediate/indexed form + n/w - no write-back / write-back (1 bit) + s/l - store/load (1 bit) + u/s - signed/unsigned (1 bit) + w/b/h/i - word/byte/half/int allowed (2 bit) + It contans 32 items, but not all are different. */ + +/* 64 bit only: [reg+imm] must be aligned to 4 bytes. */ +#define ADDR_MODE2 0x10000 +/* 64-bit only: there is no lwau instruction. */ +#define UPDATE_REQ 0x20000 + +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) +#define ARCH_DEPEND(a, b) a +#define GET_INST_CODE(inst) (inst) +#else +#define ARCH_DEPEND(a, b) b +#define GET_INST_CODE(index) ((inst) & ~(ADDR_MODE2 | UPDATE_REQ)) +#endif + +static SLJIT_CONST sljit_ins data_transfer_insts[64] = { + +/* No write-back. */ + +/* i n s u w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */), +/* i n s u b */ HI(38) /* stb */, +/* i n s u h */ HI(44) /* sth*/, +/* i n s u i */ HI(36) /* stw */, + +/* i n s s w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */), +/* i n s s b */ HI(38) /* stb */, +/* i n s s h */ HI(44) /* sth*/, +/* i n s s i */ HI(36) /* stw */, + +/* i n l u w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */), +/* i n l u b */ HI(34) /* lbz */, +/* i n l u h */ HI(40) /* lhz */, +/* i n l u i */ HI(32) /* lwz */, + +/* i n l s w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */), +/* i n l s b */ HI(34) /* lbz */ /* EXTS_REQ */, +/* i n l s h */ HI(42) /* lha */, +/* i n l s i */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x2 /* lwa */), + +/* Write-back. */ + +/* i w s u w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */), +/* i w s u b */ HI(39) /* stbu */, +/* i w s u h */ HI(45) /* sthu */, +/* i w s u i */ HI(37) /* stwu */, + +/* i w s s w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */), +/* i w s s b */ HI(39) /* stbu */, +/* i w s s h */ HI(45) /* sthu */, +/* i w s s i */ HI(37) /* stwu */, + +/* i w l u w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */), +/* i w l u b */ HI(35) /* lbzu */, +/* i w l u h */ HI(41) /* lhzu */, +/* i w l u i */ HI(33) /* lwzu */, + +/* i w l s w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */), +/* i w l s b */ HI(35) /* lbzu */ /* EXTS_REQ */, +/* i w l s h */ HI(43) /* lhau */, +/* i w l s i */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | UPDATE_REQ | 0x2 /* lwa */), + +/* ---------- */ +/* Indexed */ +/* ---------- */ + +/* No write-back. */ + +/* x n s u w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), +/* x n s u b */ HI(31) | LO(215) /* stbx */, +/* x n s u h */ HI(31) | LO(407) /* sthx */, +/* x n s u i */ HI(31) | LO(151) /* stwx */, + +/* x n s s w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */), +/* x n s s b */ HI(31) | LO(215) /* stbx */, +/* x n s s h */ HI(31) | LO(407) /* sthx */, +/* x n s s i */ HI(31) | LO(151) /* stwx */, + +/* x n l u w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), +/* x n l u b */ HI(31) | LO(87) /* lbzx */, +/* x n l u h */ HI(31) | LO(279) /* lhzx */, +/* x n l u i */ HI(31) | LO(23) /* lwzx */, + +/* x n l s w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */), +/* x n l s b */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */, +/* x n l s h */ HI(31) | LO(343) /* lhax */, +/* x n l s i */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */), + +/* Write-back. */ + +/* x w s u w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), +/* x w s u b */ HI(31) | LO(247) /* stbux */, +/* x w s u h */ HI(31) | LO(439) /* sthux */, +/* x w s u i */ HI(31) | LO(183) /* stwux */, + +/* x w s s w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */), +/* x w s s b */ HI(31) | LO(247) /* stbux */, +/* x w s s h */ HI(31) | LO(439) /* sthux */, +/* x w s s i */ HI(31) | LO(183) /* stwux */, + +/* x w l u w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), +/* x w l u b */ HI(31) | LO(119) /* lbzux */, +/* x w l u h */ HI(31) | LO(311) /* lhzux */, +/* x w l u i */ HI(31) | LO(55) /* lwzux */, + +/* x w l s w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */), +/* x w l s b */ HI(31) | LO(119) /* lbzux */ /* EXTS_REQ */, +/* x w l s h */ HI(31) | LO(375) /* lhaux */, +/* x w l s i */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */) + +}; + +#undef ARCH_DEPEND + +/* Simple cases, (no caching is required). */ +static int getput_arg_fast(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw) +{ + sljit_ins inst; +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + int tmp_reg; +#endif + + SLJIT_ASSERT(arg & SLJIT_MEM); + if (!(arg & 0xf)) { +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + if (argw <= SIMM_MAX && argw >= SIMM_MIN) { + if (inp_flags & ARG_TEST) + return 1; + + inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw)); + return -1; + } +#else + inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK]; + if (argw <= SIMM_MAX && argw >= SIMM_MIN && + (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) { + if (inp_flags & ARG_TEST) + return 1; + + push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw)); + return -1; + } +#endif + return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0; + } + + if (!(arg & 0xf0)) { +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + if (argw <= SIMM_MAX && argw >= SIMM_MIN) { + if (inp_flags & ARG_TEST) + return 1; + + inst = data_transfer_insts[inp_flags & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw)); + return -1; + } +#else + inst = data_transfer_insts[inp_flags & MEM_MASK]; + if (argw <= SIMM_MAX && argw >= SIMM_MIN && (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) { + if (inp_flags & ARG_TEST) + return 1; + + if ((inp_flags & WRITE_BACK) && (inst & UPDATE_REQ)) { + tmp_reg = (inp_flags & LOAD_DATA) ? (arg & 0xf) : TMP_REG3; + if (push_inst(compiler, ADDI | D(tmp_reg) | A(arg & 0xf) | IMM(argw))) + return -1; + arg = tmp_reg | SLJIT_MEM; + argw = 0; + } + push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw)); + return -1; + } +#endif + } + else if (!(argw & 0x3)) { + if (inp_flags & ARG_TEST) + return 1; + inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B((arg >> 4) & 0xf)); + return -1; + } + return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0; +} + +/* See getput_arg below. + Note: can_cache is called only for binary operators. Those operator always + uses word arguments without write back. */ +static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw) +{ + SLJIT_ASSERT(arg & SLJIT_MEM); + SLJIT_ASSERT(next_arg & SLJIT_MEM); + + if (!(arg & 0xf)) { + if ((next_arg & SLJIT_MEM) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) + return 1; + return 0; + } + + if (arg & 0xf0) + return 0; + + if (argw <= SIMM_MAX && argw >= SIMM_MIN) { + if (arg == next_arg && (next_argw >= SIMM_MAX && next_argw <= SIMM_MIN)) + return 1; + } + + if (arg == next_arg && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) + return 1; + + return 0; +} + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define ADJUST_CACHED_IMM(imm) \ + if ((inst & ADDR_MODE2) && (imm & 0x3)) { \ + /* Adjust cached value. Fortunately this is really a rare case */ \ + compiler->cache_argw += imm & 0x3; \ + FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | (imm & 0x3))); \ + imm &= ~0x3; \ + } +#else +#define ADJUST_CACHED_IMM(imm) +#endif + +/* Emit the necessary instructions. See can_cache above. */ +static int getput_arg(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw, int next_arg, sljit_w next_argw) +{ + int tmp_r; + sljit_ins inst; + + SLJIT_ASSERT(arg & SLJIT_MEM); + + tmp_r = (inp_flags & LOAD_DATA) ? reg : TMP_REG3; + if ((arg & 0xf) == tmp_r) { + /* Special case for "mov reg, [reg, ... ]". + Caching would not happen anyway. */ + tmp_r = TMP_REG3; + compiler->cache_arg = 0; + compiler->cache_argw = 0; + } + + if (!(arg & 0xf)) { + inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK]; + if ((compiler->cache_arg & SLJIT_IMM) && (((sljit_uw)argw - (sljit_uw)compiler->cache_argw) <= SIMM_MAX || ((sljit_uw)compiler->cache_argw - (sljit_uw)argw) <= SIMM_MAX)) { + argw = argw - compiler->cache_argw; + ADJUST_CACHED_IMM(argw); + SLJIT_ASSERT(!(inst & UPDATE_REQ)); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw)); + } + + if ((next_arg & SLJIT_MEM) && (argw - next_argw <= SIMM_MAX || next_argw - argw <= SIMM_MAX)) { + SLJIT_ASSERT(inp_flags & LOAD_DATA); + + compiler->cache_arg = SLJIT_IMM; + compiler->cache_argw = argw; + tmp_r = TMP_REG3; + } + + FAIL_IF(load_immediate(compiler, tmp_r, argw)); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(tmp_r)); + } + + if (SLJIT_UNLIKELY(arg & 0xf0)) { + argw &= 0x3; + /* Otherwise getput_arg_fast would capture it. */ + SLJIT_ASSERT(argw); +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(tmp_r) | (argw << 11) | ((31 - argw) << 1))); +#else + FAIL_IF(push_inst(compiler, RLDI(tmp_r, (arg >> 4) & 0xf, argw, 63 - argw, 1))); +#endif + inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r)); + } + + inst = data_transfer_insts[inp_flags & MEM_MASK]; + + if (compiler->cache_arg == arg && ((sljit_uw)argw - (sljit_uw)compiler->cache_argw <= SIMM_MAX || (sljit_uw)compiler->cache_argw - (sljit_uw)argw <= SIMM_MAX)) { + SLJIT_ASSERT(!(inp_flags & WRITE_BACK)); + argw = argw - compiler->cache_argw; + ADJUST_CACHED_IMM(argw); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw)); + } + + if ((compiler->cache_arg & SLJIT_IMM) && compiler->cache_argw == argw) { + inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3)); + } + + if (argw == next_argw && (next_arg & SLJIT_MEM)) { + SLJIT_ASSERT(inp_flags & LOAD_DATA); + FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); + + compiler->cache_arg = SLJIT_IMM; + compiler->cache_argw = argw; + + inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3)); + } + + if (arg == next_arg && !(inp_flags & WRITE_BACK) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) { + SLJIT_ASSERT(inp_flags & LOAD_DATA); + FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); + FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | A(TMP_REG3) | B(arg & 0xf))); + + compiler->cache_arg = arg; + compiler->cache_argw = argw; + + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3)); + } + + /* Get the indexed version instead of the normal one. */ + inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK]; + SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ))); + FAIL_IF(load_immediate(compiler, tmp_r, argw)); + return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r)); +} + +static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags, + int dst, sljit_w dstw, + int src1, sljit_w src1w, + int src2, sljit_w src2w) +{ + /* arg1 goes to TMP_REG1 or src reg + arg2 goes to TMP_REG2, imm or src reg + TMP_REG3 can be used for caching + result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */ + int dst_r; + int src1_r; + int src2_r; + int sugg_src2_r = TMP_REG2; + int flags = inp_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_FORM6 | ALT_SIGN_EXT | ALT_SET_FLAGS); + + compiler->cache_arg = 0; + compiler->cache_argw = 0; + + /* Destination check. */ + if (dst >= SLJIT_TEMPORARY_REG1 && dst <= ZERO_REG) { + dst_r = dst; + flags |= REG_DEST; + if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) + sugg_src2_r = dst_r; + } + else if (dst == SLJIT_UNUSED) { + if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM)) + return SLJIT_SUCCESS; + dst_r = TMP_REG2; + } + else { + SLJIT_ASSERT(dst & SLJIT_MEM); + if (getput_arg_fast(compiler, inp_flags | ARG_TEST, TMP_REG2, dst, dstw)) { + flags |= FAST_DEST; + dst_r = TMP_REG2; + } + else { + flags |= SLOW_DEST; + dst_r = 0; + } + } + + /* Source 1. */ + if (src1 >= SLJIT_TEMPORARY_REG1 && src1 <= ZERO_REG) { + src1_r = src1; + flags |= REG1_SOURCE; + } + else if (src1 & SLJIT_IMM) { +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if ((inp_flags & 0x3) == INT_DATA) { + if (inp_flags & SIGNED_DATA) + src1w = (signed int)src1w; + else + src1w = (unsigned int)src1w; + } +#endif + FAIL_IF(load_immediate(compiler, TMP_REG1, src1w)); + src1_r = TMP_REG1; + } + else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w)) { + FAIL_IF(compiler->error); + src1_r = TMP_REG1; + } + else + src1_r = 0; + + /* Source 2. */ + if (src2 >= SLJIT_TEMPORARY_REG1 && src2 <= ZERO_REG) { + src2_r = src2; + flags |= REG2_SOURCE; + if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI) + dst_r = src2_r; + } + else if (src2 & SLJIT_IMM) { +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if ((inp_flags & 0x3) == INT_DATA) { + if (inp_flags & SIGNED_DATA) + src2w = (signed int)src2w; + else + src2w = (unsigned int)src2w; + } +#endif + FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w)); + src2_r = sugg_src2_r; + } + else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w)) { + FAIL_IF(compiler->error); + src2_r = sugg_src2_r; + } + else + src2_r = 0; + + /* src1_r, src2_r and dst_r can be zero (=unprocessed). + All arguments are complex addressing modes, and it is a binary operator. */ + if (src1_r == 0 && src2_r == 0 && dst_r == 0) { + if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w)); + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); + } + else { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw)); + } + src1_r = TMP_REG1; + src2_r = TMP_REG2; + } + else if (src1_r == 0 && src2_r == 0) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w)); + src1_r = TMP_REG1; + } + else if (src1_r == 0 && dst_r == 0) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw)); + src1_r = TMP_REG1; + } + else if (src2_r == 0 && dst_r == 0) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw)); + src2_r = sugg_src2_r; + } + + if (dst_r == 0) + dst_r = TMP_REG2; + + if (src1_r == 0) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, 0, 0)); + src1_r = TMP_REG1; + } + + if (src2_r == 0) { + FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, 0, 0)); + src2_r = sugg_src2_r; + } + + FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r)); + + if (flags & (FAST_DEST | SLOW_DEST)) { + if (flags & FAST_DEST) + FAIL_IF(getput_arg_fast(compiler, inp_flags, dst_r, dst, dstw)); + else + FAIL_IF(getput_arg(compiler, inp_flags, dst_r, dst, dstw, 0, 0)); + } + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op) +{ + CHECK_ERROR(); + check_sljit_emit_op0(compiler, op); + + switch (GET_OPCODE(op)) { + case SLJIT_BREAKPOINT: + case SLJIT_NOP: + return push_inst(compiler, NOP); + break; + case SLJIT_UMUL: + case SLJIT_SMUL: + FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG1))); +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2))); + return push_inst(compiler, (GET_OPCODE(op) == SLJIT_UMUL ? MULHDU : MULHD) | D(SLJIT_TEMPORARY_REG2) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)); +#else + FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2))); + return push_inst(compiler, (GET_OPCODE(op) == SLJIT_UMUL ? MULHWU : MULHW) | D(SLJIT_TEMPORARY_REG2) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2)); +#endif + case SLJIT_UDIV: + case SLJIT_SDIV: + FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG1))); +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (op & SLJIT_INT_OP) { + FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVWU : DIVW) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2))); + FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2))); + return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1)); + } + FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVDU : DIVD) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2))); + FAIL_IF(push_inst(compiler, MULLD | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2))); + return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1)); +#else + FAIL_IF(push_inst(compiler, (GET_OPCODE(op) == SLJIT_UDIV ? DIVWU : DIVW) | D(SLJIT_TEMPORARY_REG1) | A(TMP_REG1) | B(SLJIT_TEMPORARY_REG2))); + FAIL_IF(push_inst(compiler, MULLW | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG1) | B(SLJIT_TEMPORARY_REG2))); + return push_inst(compiler, SUBF | D(SLJIT_TEMPORARY_REG2) | A(SLJIT_TEMPORARY_REG2) | B(TMP_REG1)); +#endif + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op, + int dst, sljit_w dstw, + int src, sljit_w srcw) +{ + int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0; + + CHECK_ERROR(); + check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw); + + if ((src & SLJIT_IMM) && srcw == 0) + src = ZERO_REG; + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (op & SLJIT_INT_OP) { + inp_flags |= INT_DATA | SIGNED_DATA; + if (src & SLJIT_IMM) + srcw = (int)srcw; + } +#endif + if (op & SLJIT_SET_O) + FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG))); + + switch (GET_OPCODE(op)) { + case SLJIT_MOV: + return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_UI: + return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_SI: + return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOV_UB: + return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw); + + case SLJIT_MOV_SB: + return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw); + + case SLJIT_MOV_UH: + return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw); + + case SLJIT_MOV_SH: + return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw); + + case SLJIT_MOVU: + return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_UI: + return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_SI: + return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_MOVU_UB: + return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw); + + case SLJIT_MOVU_SB: + return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw); + + case SLJIT_MOVU_UH: + return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw); + + case SLJIT_MOVU_SH: + return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw); + + case SLJIT_NOT: + return emit_op(compiler, SLJIT_NOT, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_NEG: + return emit_op(compiler, SLJIT_NEG, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw); + + case SLJIT_CLZ: +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + return emit_op(compiler, SLJIT_CLZ, inp_flags | (!(op & SLJIT_INT_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw); +#else + return emit_op(compiler, SLJIT_CLZ, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw); +#endif + } + + return SLJIT_SUCCESS; +} + +#define TEST_SL_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN) + +#define TEST_UL_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && !((srcw) & ~0xffff)) + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define TEST_SH_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= SLJIT_W(0x7fffffff) && (srcw) >= SLJIT_W(-0x80000000)) +#else +#define TEST_SH_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && !((srcw) & 0xffff)) +#endif + +#define TEST_UH_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000)) + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define TEST_ADD_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && (srcw) <= SLJIT_W(0x7fff7fff) && (srcw) >= SLJIT_W(-0x80000000)) +#else +#define TEST_ADD_IMM(src, srcw) \ + ((src) & SLJIT_IMM) +#endif + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) +#define TEST_UI_IMM(src, srcw) \ + (((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff)) +#else +#define TEST_UI_IMM(src, srcw) \ + ((src) & SLJIT_IMM) +#endif + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op, + int dst, sljit_w dstw, + int src1, sljit_w src1w, + int src2, sljit_w src2w) +{ + int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0; + + CHECK_ERROR(); + check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w); + + if ((src1 & SLJIT_IMM) && src1w == 0) + src1 = ZERO_REG; + if ((src2 & SLJIT_IMM) && src2w == 0) + src2 = ZERO_REG; + +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (op & SLJIT_INT_OP) { + inp_flags |= INT_DATA | SIGNED_DATA; + if (src1 & SLJIT_IMM) + src1w = (src1w << 32) >> 32; + if (src2 & SLJIT_IMM) + src2w = (src2w << 32) >> 32; + if (GET_FLAGS(op)) + inp_flags |= ALT_SIGN_EXT; + } +#endif + if (op & SLJIT_SET_O) + FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG))); + + switch (GET_OPCODE(op)) { + case SLJIT_ADD: + if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); + } + if (TEST_SH_IMM(src2, src2w)) { + compiler->imm = (src2w >> 16) & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SH_IMM(src1, src1w)) { + compiler->imm = (src1w >> 16) & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); + } + /* Range between -1 and -32768 is covered above. */ + if (TEST_ADD_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffffffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_ADD_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffffffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + if (!(GET_FLAGS(op) & (SLJIT_SET_E | SLJIT_SET_O))) { + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + return emit_op(compiler, SLJIT_ADD, inp_flags, dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_ADDC: + return emit_op(compiler, SLJIT_ADDC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_SUB: + if (!GET_FLAGS(op) && ((src1 | src2) & SLJIT_IMM)) { + if (TEST_SL_IMM(src2, -src2w)) { + compiler->imm = (-src2w) & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); + } + if (TEST_SH_IMM(src2, -src2w)) { + compiler->imm = ((-src2w) >> 16) & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); + } + /* Range between -1 and -32768 is covered above. */ + if (TEST_ADD_IMM(src2, -src2w)) { + compiler->imm = -src2w & 0xffffffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, TMP_REG2, 0); + } + } + if (dst == SLJIT_UNUSED && (op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U)) && !(op & (SLJIT_SET_O | SLJIT_SET_C))) { + if (!(op & SLJIT_SET_U)) { + /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (GET_FLAGS(op) == SLJIT_SET_E && TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + if (!(op & (SLJIT_SET_E | SLJIT_SET_S))) { + /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ + if (TEST_UL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w); + } + if ((src2 & SLJIT_IMM) && src2w >= 0 && src2w <= 0x7fff) { + compiler->imm = src2w; + return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2 | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } + return emit_op(compiler, SLJIT_SUB, inp_flags | ((op & SLJIT_SET_U) ? ALT_FORM4 : 0) | ((op & (SLJIT_SET_E | SLJIT_SET_S)) ? ALT_FORM5 : 0), dst, dstw, src1, src1w, src2, src2w); + } + if (!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))) { + if (TEST_SL_IMM(src2, -src2w)) { + compiler->imm = (-src2w) & 0xffff; + return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } + } + /* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */ + return emit_op(compiler, SLJIT_SUB, inp_flags | (!(op & SLJIT_SET_U) ? 0 : ALT_FORM6), dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_SUBC: + return emit_op(compiler, SLJIT_SUBC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_MUL: +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (op & SLJIT_INT_OP) + inp_flags |= ALT_FORM2; +#endif + if (!GET_FLAGS(op)) { + if (TEST_SL_IMM(src2, src2w)) { + compiler->imm = src2w & 0xffff; + return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_SL_IMM(src1, src1w)) { + compiler->imm = src1w & 0xffff; + return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + return emit_op(compiler, SLJIT_MUL, inp_flags, dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_AND: + case SLJIT_OR: + case SLJIT_XOR: + /* Commutative unsigned operations. */ + if (!GET_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) { + if (TEST_UL_IMM(src2, src2w)) { + compiler->imm = src2w; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_UL_IMM(src1, src1w)) { + compiler->imm = src1w; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0); + } + if (TEST_UH_IMM(src2, src2w)) { + compiler->imm = (src2w >> 16) & 0xffff; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_UH_IMM(src1, src1w)) { + compiler->imm = (src1w >> 16) & 0xffff; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + if (!GET_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) { + if (TEST_UI_IMM(src2, src2w)) { + compiler->imm = src2w; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0); + } + if (TEST_UI_IMM(src1, src1w)) { + compiler->imm = src1w; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0); + } + } + return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w); + + case SLJIT_SHL: + case SLJIT_LSHR: + case SLJIT_ASHR: +#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64) + if (op & SLJIT_INT_OP) + inp_flags |= ALT_FORM2; +#endif + if (src2 & SLJIT_IMM) { + compiler->imm = src2w; + return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0); + } + return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_get_register_index(int reg) +{ + check_sljit_get_register_index(reg); + return reg_map[reg]; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op_custom(struct sljit_compiler *compiler, + void *instruction, int size) +{ + CHECK_ERROR(); + check_sljit_emit_op_custom(compiler, instruction, size); + SLJIT_ASSERT(size == 4); + + return push_inst(compiler, *(sljit_ins*)instruction); +} + +/* --------------------------------------------------------------------- */ +/* Floating point operators */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void) +{ + /* Always available. */ + return 1; +} + +static int emit_fpu_data_transfer(struct sljit_compiler *compiler, int fpu_reg, int load, int arg, sljit_w argw) +{ + SLJIT_ASSERT(arg & SLJIT_MEM); + + /* Fast loads and stores. */ + if (!(arg & 0xf0)) { + /* Both for (arg & 0xf) == SLJIT_UNUSED and (arg & 0xf) != SLJIT_UNUSED. */ + if (argw <= SIMM_MAX && argw >= SIMM_MIN) + return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(arg & 0xf) | IMM(argw)); + } + + if (arg & 0xf0) { + argw &= 0x3; + if (argw) { +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(TMP_REG2) | (argw << 11) | ((31 - argw) << 1))); +#else + FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, (arg >> 4) & 0xf, argw, 63 - argw, 1))); +#endif + return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B(TMP_REG2)); + } + return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B((arg >> 4) & 0xf)); + } + + /* Use cache. */ + if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN) + return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(TMP_REG3) | IMM(argw - compiler->cache_argw)); + + /* Put value to cache. */ + compiler->cache_arg = arg; + compiler->cache_argw = argw; + + FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); + if (!(arg & 0xf)) + return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(0) | B(TMP_REG3)); + return push_inst(compiler, (load ? LFDUX : STFDUX) | FD(fpu_reg) | A(TMP_REG3) | B(arg & 0xf)); +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op, + int dst, sljit_w dstw, + int src, sljit_w srcw) +{ + int dst_fr; + + CHECK_ERROR(); + check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw); + + compiler->cache_arg = 0; + compiler->cache_argw = 0; + + if (GET_OPCODE(op) == SLJIT_FCMP) { + if (dst > SLJIT_FLOAT_REG4) { + FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, dst, dstw)); + dst = TMP_FREG1; + } + if (src > SLJIT_FLOAT_REG4) { + FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src, srcw)); + src = TMP_FREG2; + } + return push_inst(compiler, FCMPU | CRD(4) | FA(dst) | FB(src)); + } + + dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst; + + if (src > SLJIT_FLOAT_REG4) { + FAIL_IF(emit_fpu_data_transfer(compiler, dst_fr, 1, src, srcw)); + src = dst_fr; + } + + switch (op) { + case SLJIT_FMOV: + if (src != dst_fr && dst_fr != TMP_FREG1) + FAIL_IF(push_inst(compiler, FMR | FD(dst_fr) | FB(src))); + break; + case SLJIT_FNEG: + FAIL_IF(push_inst(compiler, FNEG | FD(dst_fr) | FB(src))); + break; + case SLJIT_FABS: + FAIL_IF(push_inst(compiler, FABS | FD(dst_fr) | FB(src))); + break; + } + + if (dst_fr == TMP_FREG1) + FAIL_IF(emit_fpu_data_transfer(compiler, src, 0, dst, dstw)); + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op, + int dst, sljit_w dstw, + int src1, sljit_w src1w, + int src2, sljit_w src2w) +{ + int dst_fr; + + CHECK_ERROR(); + check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w); + + compiler->cache_arg = 0; + compiler->cache_argw = 0; + + dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst; + + if (src2 > SLJIT_FLOAT_REG4) { + FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src2, src2w)); + src2 = TMP_FREG2; + } + + if (src1 > SLJIT_FLOAT_REG4) { + FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, src1, src1w)); + src1 = TMP_FREG1; + } + + switch (op) { + case SLJIT_FADD: + FAIL_IF(push_inst(compiler, FADD | FD(dst_fr) | FA(src1) | FB(src2))); + break; + + case SLJIT_FSUB: + FAIL_IF(push_inst(compiler, FSUB | FD(dst_fr) | FA(src1) | FB(src2))); + break; + + case SLJIT_FMUL: + FAIL_IF(push_inst(compiler, FMUL | FD(dst_fr) | FA(src1) | FC(src2) /* FMUL use FC as src2 */)); + break; + + case SLJIT_FDIV: + FAIL_IF(push_inst(compiler, FDIV | FD(dst_fr) | FA(src1) | FB(src2))); + break; + } + + if (dst_fr == TMP_FREG1) + FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 0, dst, dstw)); + + return SLJIT_SUCCESS; +} + +/* --------------------------------------------------------------------- */ +/* Other instructions */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int saveds, int local_size) +{ + CHECK_ERROR(); + check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, saveds, local_size); + + compiler->temporaries = temporaries; + compiler->saveds = saveds; + + compiler->has_locals = local_size > 0; +#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32) + compiler->local_size = (2 + saveds + 2) * sizeof(sljit_w) + local_size; +#else + compiler->local_size = (2 + saveds + 7 + 8) * sizeof(sljit_w) + local_size; +#endif + compiler->local_size = (compiler->local_size + 15) & ~0xf; + + if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) + return push_inst(compiler, MFLR | D(dst)); + else if (dst & SLJIT_MEM) { + FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2))); + return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); + } + + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw) +{ + CHECK_ERROR(); + check_sljit_emit_fast_return(compiler, src, srcw); + + if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS) + FAIL_IF(push_inst(compiler, MTLR | S(src))); + else { + if (src & SLJIT_MEM) + FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); + else if (src & SLJIT_IMM) + FAIL_IF(load_immediate(compiler, TMP_REG2, srcw)); + FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2))); + } + return push_inst(compiler, BLR); +} + +/* --------------------------------------------------------------------- */ +/* Conditional instructions */ +/* --------------------------------------------------------------------- */ + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) +{ + struct sljit_label *label; + + CHECK_ERROR_PTR(); + check_sljit_emit_label(compiler); + + if (compiler->last_label && compiler->last_label->size == compiler->size) + return compiler->last_label; + + label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); + PTR_FAIL_IF(!label); + set_label(label, compiler); + return label; +} + +static sljit_ins get_bo_bi_flags(struct sljit_compiler *compiler, int type) +{ + switch (type) { + case SLJIT_C_EQUAL: + return (12 << 21) | (2 << 16); + + case SLJIT_C_NOT_EQUAL: + return (4 << 21) | (2 << 16); + + case SLJIT_C_LESS: + case SLJIT_C_FLOAT_LESS: + return (12 << 21) | ((4 + 0) << 16); + + case SLJIT_C_GREATER_EQUAL: + case SLJIT_C_FLOAT_GREATER_EQUAL: + return (4 << 21) | ((4 + 0) << 16); + + case SLJIT_C_GREATER: + case SLJIT_C_FLOAT_GREATER: + return (12 << 21) | ((4 + 1) << 16); + + case SLJIT_C_LESS_EQUAL: + case SLJIT_C_FLOAT_LESS_EQUAL: + return (4 << 21) | ((4 + 1) << 16); + + case SLJIT_C_SIG_LESS: + return (12 << 21) | (0 << 16); + + case SLJIT_C_SIG_GREATER_EQUAL: + return (4 << 21) | (0 << 16); + + case SLJIT_C_SIG_GREATER: + return (12 << 21) | (1 << 16); + + case SLJIT_C_SIG_LESS_EQUAL: + return (4 << 21) | (1 << 16); + + case SLJIT_C_OVERFLOW: + case SLJIT_C_MUL_OVERFLOW: + return (12 << 21) | (3 << 16); + + case SLJIT_C_NOT_OVERFLOW: + case SLJIT_C_MUL_NOT_OVERFLOW: + return (4 << 21) | (3 << 16); + + case SLJIT_C_FLOAT_EQUAL: + return (12 << 21) | ((4 + 2) << 16); + + case SLJIT_C_FLOAT_NOT_EQUAL: + return (4 << 21) | ((4 + 2) << 16); + + case SLJIT_C_FLOAT_NAN: + return (12 << 21) | ((4 + 3) << 16); + + case SLJIT_C_FLOAT_NOT_NAN: + return (4 << 21) | ((4 + 3) << 16); + + default: + SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3); + return (20 << 21); + } +} + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type) +{ + struct sljit_jump *jump; + sljit_ins bo_bi_flags; + + CHECK_ERROR_PTR(); + check_sljit_emit_jump(compiler, type); + + bo_bi_flags = get_bo_bi_flags(compiler, type & 0xff); + if (!bo_bi_flags) + return NULL; + + jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); + PTR_FAIL_IF(!jump); + set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); + type &= 0xff; + + /* In PPC, we don't need to touch the arguments. */ + if (type >= SLJIT_JUMP) + jump->flags |= UNCOND_B; + + PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0)); + PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_REG1))); + jump->addr = compiler->size; + PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0))); + return jump; +} + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw) +{ + sljit_ins bo_bi_flags; + struct sljit_jump *jump = NULL; + int src_r; + + CHECK_ERROR(); + check_sljit_emit_ijump(compiler, type, src, srcw); + + bo_bi_flags = get_bo_bi_flags(compiler, type); + FAIL_IF(!bo_bi_flags); + + if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS) + src_r = src; + else if (src & SLJIT_IMM) { + jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); + FAIL_IF(!jump); + set_jump(jump, compiler, JUMP_ADDR | UNCOND_B); + jump->u.target = srcw; + + FAIL_IF(emit_const(compiler, TMP_REG2, 0)); + src_r = TMP_REG2; + } + else { + FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw)); + src_r = TMP_REG2; + } + + FAIL_IF(push_inst(compiler, MTCTR | S(src_r))); + if (jump) + jump->addr = compiler->size; + return push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0)); +} + +/* Get a bit from CR, all other bits are zeroed. */ +#define GET_CR_BIT(bit, dst) \ + FAIL_IF(push_inst(compiler, MFCR | D(dst))); \ + FAIL_IF(push_inst(compiler, RLWINM | S(dst) | A(dst) | ((1 + (bit)) << 11) | (31 << 6) | (31 << 1))); + +#define INVERT_BIT(dst) \ + FAIL_IF(push_inst(compiler, XORI | S(dst) | A(dst) | 0x1)); + +SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type) +{ + int reg; + + CHECK_ERROR(); + check_sljit_emit_cond_value(compiler, op, dst, dstw, type); + + if (dst == SLJIT_UNUSED) + return SLJIT_SUCCESS; + + reg = (op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2; + + switch (type) { + case SLJIT_C_EQUAL: + GET_CR_BIT(2, reg); + break; + + case SLJIT_C_NOT_EQUAL: + GET_CR_BIT(2, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_LESS: + case SLJIT_C_FLOAT_LESS: + GET_CR_BIT(4 + 0, reg); + break; + + case SLJIT_C_GREATER_EQUAL: + case SLJIT_C_FLOAT_GREATER_EQUAL: + GET_CR_BIT(4 + 0, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_GREATER: + case SLJIT_C_FLOAT_GREATER: + GET_CR_BIT(4 + 1, reg); + break; + + case SLJIT_C_LESS_EQUAL: + case SLJIT_C_FLOAT_LESS_EQUAL: + GET_CR_BIT(4 + 1, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_SIG_LESS: + GET_CR_BIT(0, reg); + break; + + case SLJIT_C_SIG_GREATER_EQUAL: + GET_CR_BIT(0, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_SIG_GREATER: + GET_CR_BIT(1, reg); + break; + + case SLJIT_C_SIG_LESS_EQUAL: + GET_CR_BIT(1, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_OVERFLOW: + case SLJIT_C_MUL_OVERFLOW: + GET_CR_BIT(3, reg); + break; + + case SLJIT_C_NOT_OVERFLOW: + case SLJIT_C_MUL_NOT_OVERFLOW: + GET_CR_BIT(3, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_FLOAT_EQUAL: + GET_CR_BIT(4 + 2, reg); + break; + + case SLJIT_C_FLOAT_NOT_EQUAL: + GET_CR_BIT(4 + 2, reg); + INVERT_BIT(reg); + break; + + case SLJIT_C_FLOAT_NAN: + GET_CR_BIT(4 + 3, reg); + break; + + case SLJIT_C_FLOAT_NOT_NAN: + GET_CR_BIT(4 + 3, reg); + INVERT_BIT(reg); + break; + + default: + SLJIT_ASSERT_STOP(); + break; + } + + if (GET_OPCODE(op) == SLJIT_OR) + return emit_op(compiler, GET_OPCODE(op), GET_FLAGS(op) ? ALT_SET_FLAGS : 0, dst, dstw, dst, dstw, TMP_REG2, 0); + + if (reg == TMP_REG2) + return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0); + return SLJIT_SUCCESS; +} + +SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value) +{ + struct sljit_const *const_; + int reg; + + CHECK_ERROR_PTR(); + check_sljit_emit_const(compiler, dst, dstw, init_value); + + const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); + PTR_FAIL_IF(!const_); + set_const(const_, compiler); + + reg = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2; + + PTR_FAIL_IF(emit_const(compiler, reg, init_value)); + + if (dst & SLJIT_MEM) + PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0)); + return const_; +} |