diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c')
| -rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c | 178 |
1 files changed, 168 insertions, 10 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c index e6853c98f6..91153e5f25 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c +++ b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_32.c @@ -26,6 +26,49 @@ /* mips 32-bit arch dependent functions. */ +static sljit_s32 emit_copysign(struct sljit_compiler *compiler, sljit_s32 op, + sljit_sw src1, sljit_sw src2, sljit_sw dst) +{ + int is_32 = (op & SLJIT_32); + sljit_ins mfhc = MFC1, mthc = MTC1; + sljit_ins src1_r = FS(src1), src2_r = FS(src2), dst_r = FS(dst); + + if (!is_32) { + switch (cpu_feature_list & CPU_FEATURE_FR) { +#if defined(SLJIT_MIPS_REV) && SLJIT_MIPS_REV >= 2 + case CPU_FEATURE_FR: + mfhc = MFHC1; + mthc = MTHC1; + break; +#endif /* SLJIT_MIPS_REV >= 2 */ + default: + src1_r |= (1 << 11); + src2_r |= (1 << 11); + dst_r |= (1 << 11); + break; + } + } + + FAIL_IF(push_inst(compiler, mfhc | T(TMP_REG1) | src1_r, DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, mfhc | T(TMP_REG2) | src2_r, DR(TMP_REG2))); + if (!is_32 && src1 != dst) + FAIL_IF(push_inst(compiler, MOV_fmt(FMT_S) | FS(src1) | FD(dst), MOVABLE_INS)); +#if !defined(SLJIT_MIPS_REV) || SLJIT_MIPS_REV <= 1 + else + FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); +#endif /* MIPS III */ + FAIL_IF(push_inst(compiler, XOR | T(TMP_REG1) | D(TMP_REG2) | S(TMP_REG2), DR(TMP_REG2))); + FAIL_IF(push_inst(compiler, SRL | T(TMP_REG2) | D(TMP_REG2) | SH_IMM(31), DR(TMP_REG2))); + FAIL_IF(push_inst(compiler, SLL | T(TMP_REG2) | D(TMP_REG2) | SH_IMM(31), DR(TMP_REG2))); + FAIL_IF(push_inst(compiler, XOR | T(TMP_REG2) | D(TMP_REG1) | S(TMP_REG1), DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, mthc | T(TMP_REG1) | dst_r, MOVABLE_INS)); +#if !defined(SLJIT_MIPS_REV) || SLJIT_MIPS_REV <= 1 + if (mthc == MTC1) + return push_inst(compiler, NOP, UNMOVABLE_INS); +#endif /* MIPS III */ + return SLJIT_SUCCESS; +} + static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst_ar, sljit_sw imm) { if (!(imm & ~0xffff)) @@ -44,6 +87,108 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_ return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst)); } +SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fset64(struct sljit_compiler *compiler, + sljit_s32 freg, sljit_f64 value) +{ + union { + struct { +#if defined(SLJIT_LITTLE_ENDIAN) && SLJIT_LITTLE_ENDIAN + sljit_s32 lo; + sljit_s32 hi; +#else /* !SLJIT_LITTLE_ENDIAN */ + sljit_s32 hi; + sljit_s32 lo; +#endif /* SLJIT_LITTLE_ENDIAN */ + } bin; + sljit_f64 value; + } u; + + CHECK_ERROR(); + CHECK(check_sljit_emit_fset64(compiler, freg, value)); + + u.value = value; + + if (u.bin.lo != 0) + FAIL_IF(load_immediate(compiler, DR(TMP_REG1), u.bin.lo)); + if (u.bin.hi != 0) + FAIL_IF(load_immediate(compiler, DR(TMP_REG2), u.bin.hi)); + + FAIL_IF(push_inst(compiler, MTC1 | (u.bin.lo != 0 ? T(TMP_REG1) : TA(0)) | FS(freg), MOVABLE_INS)); + switch (cpu_feature_list & CPU_FEATURE_FR) { +#if defined(SLJIT_MIPS_REV) && SLJIT_MIPS_REV >= 2 + case CPU_FEATURE_FR: + return push_inst(compiler, MTHC1 | (u.bin.hi != 0 ? T(TMP_REG2) : TA(0)) | FS(freg), MOVABLE_INS); +#endif /* SLJIT_MIPS_REV >= 2 */ + default: + FAIL_IF(push_inst(compiler, MTC1 | (u.bin.hi != 0 ? T(TMP_REG2) : TA(0)) | FS(freg) | (1 << 11), MOVABLE_INS)); + break; + } +#if !defined(SLJIT_MIPS_REV) || SLJIT_MIPS_REV <= 1 + FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS)); +#endif /* MIPS III */ + return SLJIT_SUCCESS; +} + +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 = 0; + sljit_ins inst = FS(freg); + sljit_ins mthc = MTC1, mfhc = MFC1; + int is_32 = (op & SLJIT_32); + + CHECK_ERROR(); + CHECK(check_sljit_emit_fcopy(compiler, op, freg, reg)); + + op = GET_OPCODE(op); + if (reg & REG_PAIR_MASK) { + reg2 = REG_PAIR_SECOND(reg); + reg = REG_PAIR_FIRST(reg); + + inst |= T(reg2); + + if (op == SLJIT_COPY_TO_F64) + FAIL_IF(push_inst(compiler, MTC1 | inst, MOVABLE_INS)); + else + FAIL_IF(push_inst(compiler, MFC1 | inst, DR(reg2))); + + inst = FS(freg) | (1 << 11); +#if defined(SLJIT_MIPS_REV) && SLJIT_MIPS_REV >= 2 + if (cpu_feature_list & CPU_FEATURE_FR) { + mthc = MTHC1; + mfhc = MFHC1; + inst = FS(freg); + } +#endif /* SLJIT_MIPS_REV >= 2 */ + } + + inst |= T(reg); + if (!is_32 && !reg2) { + switch (cpu_feature_list & CPU_FEATURE_FR) { +#if defined(SLJIT_MIPS_REV) && SLJIT_MIPS_REV >= 2 + case CPU_FEATURE_FR: + mthc = MTHC1; + mfhc = MFHC1; + break; +#endif /* SLJIT_MIPS_REV >= 2 */ + default: + inst |= (1 << 11); + break; + } + } + + if (op == SLJIT_COPY_TO_F64) + FAIL_IF(push_inst(compiler, mthc | inst, MOVABLE_INS)); + else + FAIL_IF(push_inst(compiler, mfhc | inst, DR(reg))); + +#if !defined(SLJIT_MIPS_REV) || SLJIT_MIPS_REV <= 1 + if (mthc == MTC1 || mfhc == MFC1) + return push_inst(compiler, NOP, UNMOVABLE_INS); +#endif /* MIPS III */ + return SLJIT_SUCCESS; +} + SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset) { sljit_ins *inst = (sljit_ins *)addr; @@ -74,8 +219,13 @@ static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_t sljit_ins ins = NOP; sljit_u8 offsets[4]; sljit_u8 *offsets_ptr = offsets; +#if defined(SLJIT_LITTLE_ENDIAN) && SLJIT_LITTLE_ENDIAN + sljit_ins f64_hi = TA(7), f64_lo = TA(6); +#else + sljit_ins f64_hi = TA(6), f64_lo = TA(7); +#endif /* SLJIT_LITTLE_ENDIAN */ - SLJIT_ASSERT(reg_map[TMP_REG1] == 4 && freg_map[TMP_FREG1] == 12); + SLJIT_ASSERT(reg_map[TMP_REG2] == 4 && freg_map[TMP_FREG1] == 12); arg_types >>= SLJIT_ARG_SHIFT; @@ -138,20 +288,28 @@ static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_t switch (types & SLJIT_ARG_MASK) { case SLJIT_ARG_TYPE_F64: - if (*offsets_ptr < 4 * sizeof (sljit_sw)) { + if (*offsets_ptr < 4 * sizeof(sljit_sw)) { if (prev_ins != NOP) FAIL_IF(push_inst(compiler, prev_ins, MOVABLE_INS)); /* Must be preceded by at least one other argument, * and its starting offset must be 8 because of alignment. */ SLJIT_ASSERT((*offsets_ptr >> 2) == 2); - - prev_ins = MFC1 | TA(6) | FS(float_arg_count) | (1 << 11); - ins = MFC1 | TA(7) | FS(float_arg_count); + switch (cpu_feature_list & CPU_FEATURE_FR) { +#if defined(SLJIT_MIPS_REV) && SLJIT_MIPS_REV >= 2 + case CPU_FEATURE_FR: + prev_ins = MFHC1 | f64_hi | FS(float_arg_count); + break; +#endif /* SLJIT_MIPS_REV >= 2 */ + default: + prev_ins = MFC1 | f64_hi | FS(float_arg_count) | (1 << 11); + break; + } + ins = MFC1 | f64_lo | FS(float_arg_count); } else if (*offsets_ptr < 254) ins = SDC1 | S(SLJIT_SP) | FT(float_arg_count) | IMM(*offsets_ptr); else if (*offsets_ptr == 254) - ins = MOV_S | FMT_D | FS(SLJIT_FR0) | FD(TMP_FREG1); + ins = MOV_fmt(FMT_D) | FS(SLJIT_FR0) | FD(TMP_FREG1); float_arg_count--; break; @@ -161,7 +319,7 @@ static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_t else if (*offsets_ptr < 254) ins = SWC1 | S(SLJIT_SP) | FT(float_arg_count) | IMM(*offsets_ptr); else if (*offsets_ptr == 254) - ins = MOV_S | FMT_S | FS(SLJIT_FR0) | FD(TMP_FREG1); + ins = MOV_fmt(FMT_S) | FS(SLJIT_FR0) | FD(TMP_FREG1); float_arg_count--; break; @@ -212,7 +370,7 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compile } else if (type & SLJIT_CALL_RETURN) PTR_FAIL_IF(emit_stack_frame_release(compiler, 0, &ins)); - SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); + SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25); if (ins == NOP && compiler->delay_slot != UNMOVABLE_INS) jump->flags |= IS_MOVABLE; @@ -283,9 +441,9 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compi return sljit_emit_ijump(compiler, type, src, srcw); } - SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); + SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25); - if (src & SLJIT_IMM) + if (src == SLJIT_IMM) FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw)); else if (src != PIC_ADDR_REG) FAIL_IF(push_inst(compiler, ADDU | S(src) | TA(0) | D(PIC_ADDR_REG), DR(PIC_ADDR_REG))); |