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This commit is contained in:
OBattler
2025-07-21 06:07:34 +02:00
parent 509f3f12eb
commit af0498569c
16 changed files with 608 additions and 584 deletions
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24
src/codegen/codegen_ops_x86-64.h
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@@ -3875,19 +3875,31 @@ FP_LOAD_IMM_Q(uint64_t v)
static __inline void
FP_FCHS(void)
{
addbyte(0x48); /* MOVABS RAX, 0x8000000000000000 */
addbyte(0xb8);
addquad(0x8000000000000000);
addbyte(0x66); /* MOVQ XMM15, RAX */
addbyte(0x4c);
addbyte(0x0f);
addbyte(0x6e);
addbyte(0xf8);
addbyte(0x48); /* XOR RAX, RAX */
addbyte(0x31);
addbyte(0xc0);
addbyte(0x8b); /*MOV EAX, TOP*/
addbyte(0x45);
addbyte((uint8_t) cpu_state_offset(TOP));
addbyte(0xf2); /*SUBSD XMM0, XMM0*/
addbyte(0xf3); /*MOVQ XMM0, ST[EAX*8]*/
addbyte(0x0f);
addbyte(0x5c);
addbyte(0xc0);
addbyte(0xf2); /*SUBSD XMM0, ST[EAX*8]*/
addbyte(0x0f);
addbyte(0x5c);
addbyte(0x7e);
addbyte(0x44);
addbyte(0xc5);
addbyte((uint8_t) cpu_state_offset(ST));
addbyte(0x66); /* PXOR XMM0, XMM15 */
addbyte(0x41);
addbyte(0x0F);
addbyte(0xEF);
addbyte(0xC7);
addbyte(0x80); /*AND tag[EAX], ~TAG_UINT64*/
addbyte(0x64);
addbyte(0x05);