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Add vzeroupper support for x86 #225

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Add vzeroupper support for x86 #225

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13 changes: 13 additions & 0 deletions sljit_src/sljitNativeX86_common.c
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Original file line number Diff line number Diff line change
Expand Up @@ -966,6 +966,19 @@ static sljit_s32 emit_cmov_generic(struct sljit_compiler *compiler, sljit_s32 ty
sljit_s32 dst_reg,
sljit_s32 src, sljit_sw srcw);

static SLJIT_INLINE sljit_s32 emit_vzeroupper(struct sljit_compiler *compiler)
{
/* Emit vzeroupper. */
sljit_u8 *inst;
inst = (sljit_u8*)ensure_buf(compiler, 1 + 3);
FAIL_IF(!inst);
INC_SIZE(3);
inst[0] = 0xc5;
inst[1] = 0xf8;
inst[2] = 0x77;
return SLJIT_SUCCESS;
}

static SLJIT_INLINE sljit_s32 emit_endbranch(struct sljit_compiler *compiler)
{
#if (defined SLJIT_CONFIG_X86_CET && SLJIT_CONFIG_X86_CET)
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