diff options
Diffstat (limited to 'src/3rdparty/pcre/sljit/sljitNativeX86_common.c')
-rw-r--r-- | src/3rdparty/pcre/sljit/sljitNativeX86_common.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/3rdparty/pcre/sljit/sljitNativeX86_common.c b/src/3rdparty/pcre/sljit/sljitNativeX86_common.c index e148c34cd1..416c15afaf 100644 --- a/src/3rdparty/pcre/sljit/sljitNativeX86_common.c +++ b/src/3rdparty/pcre/sljit/sljitNativeX86_common.c @@ -2936,3 +2936,69 @@ SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_consta { *(sljit_sw*)addr = new_constant; } + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_is_sse2_available(void) +{ +#if (defined SLJIT_DETECT_SSE2 && SLJIT_DETECT_SSE2) + if (cpu_has_sse2 == -1) + get_cpu_features(); + return cpu_has_sse2; +#else + return 1; +#endif +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_is_cmov_available(void) +{ + if (cpu_has_cmov == -1) + get_cpu_features(); + return cpu_has_cmov; +} + +SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_x86_emit_cmov(struct sljit_compiler *compiler, + sljit_si type, + sljit_si dst_reg, + sljit_si src, sljit_sw srcw) +{ + sljit_ub* inst; + + CHECK_ERROR(); +#if (defined SLJIT_ARGUMENT_CHECKS && SLJIT_ARGUMENT_CHECKS) + CHECK_ARGUMENT(sljit_x86_is_cmov_available()); + CHECK_ARGUMENT(!(type & ~(0xff | SLJIT_INT_OP))); + CHECK_ARGUMENT((type & 0xff) >= SLJIT_EQUAL && (type & 0xff) <= SLJIT_D_ORDERED); + CHECK_ARGUMENT(FUNCTION_CHECK_IS_REG(dst_reg & ~SLJIT_INT_OP)); + FUNCTION_CHECK_SRC(src, srcw); +#endif +#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) + if (SLJIT_UNLIKELY(!!compiler->verbose)) { + fprintf(compiler->verbose, " x86_cmov%s %s%s, ", + !(dst_reg & SLJIT_INT_OP) ? "" : ".i", + JUMP_PREFIX(type), jump_names[type & 0xff]); + sljit_verbose_reg(compiler, dst_reg & ~SLJIT_INT_OP); + fprintf(compiler->verbose, ", "); + sljit_verbose_param(compiler, src, srcw); + fprintf(compiler->verbose, "\n"); + } +#endif + + ADJUST_LOCAL_OFFSET(src, srcw); + CHECK_EXTRA_REGS(src, srcw, (void)0); + +#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64) + compiler->mode32 = dst_reg & SLJIT_INT_OP; +#endif + dst_reg &= ~SLJIT_INT_OP; + + if (SLJIT_UNLIKELY(src & SLJIT_IMM)) { + EMIT_MOV(compiler, TMP_REG1, 0, SLJIT_IMM, srcw); + src = TMP_REG1; + srcw = 0; + } + + inst = emit_x86_instruction(compiler, 2, dst_reg, 0, src, srcw); + FAIL_IF(!inst); + *inst++ = GROUP_0F; + *inst = get_jump_code(type & 0xff) - 0x40; + return SLJIT_SUCCESS; +} |