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Implement movhpd xmm, m64 (sse2)

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Amaan Cheval 2017-12-04 16:43:44 +05:30 • committed by Fabian
parent da94185d2e
commit ced2e67889
2 changed files with 46 additions and 6 deletions
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1
gen/x86_table.js
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@ -420,6 +420,7 @@ const encodings = [
{ opcode: 0x0F15, e: 1 },
{ opcode: 0x660F15, e: 1 },
{ opcode: 0x0F16, e: 1 },
{ opcode: 0x660F16, only_mem: 1, e: 1 },
{ opcode: 0x0F28, e: 1 },
{ opcode: 0x660F28, e: 1 },

51
src/native/instructions_0f.c
View file

@ -504,6 +504,15 @@ static void instr_0F16_reg(int32_t r1, int32_t r2) {
write_xmm128(r2, orig.u32[0], orig.u32[1], data.u32[0], data.u32[1]);
}
static void instr_660F16_mem(int32_t addr, int32_t r) {
// movhpd xmm, m64
task_switch_test_mmx();
union reg64 data = safe_read64s(addr);
union reg128 orig = read_xmm128s(r);
write_xmm128(r, orig.u32[0], orig.u32[1], data.u32[0], data.u32[1]);
}
static void instr_660F16_reg(int32_t r1, int32_t r2) { trigger_ud(); }
static void instr_0F17() { unimplemented_sse(); }
static void instr_0F18_reg(int32_t r1, int32_t r2) { trigger_ud(); }
@ -3861,13 +3870,28 @@ switch(opcode)
case 0x16:
{
int32_t modrm_byte = read_imm8();
if(modrm_byte < 0xC0)
int32_t prefixes_ = *prefixes;
if(prefixes_ & PREFIX_66)
{
instr_0F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
if(modrm_byte < 0xC0)
{
instr_660F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
}
else
{
instr_660F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
}
}
else
{
instr_0F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
if(modrm_byte < 0xC0)
{
instr_0F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
}
else
{
instr_0F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
}
}
}
break;
@ -8327,13 +8351,28 @@ switch(opcode)
case 0x16:
{
int32_t modrm_byte = read_imm8();
if(modrm_byte < 0xC0)
int32_t prefixes_ = *prefixes;
if(prefixes_ & PREFIX_66)
{
instr_0F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
if(modrm_byte < 0xC0)
{
instr_660F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
}
else
{
instr_660F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
}
}
else
{
instr_0F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
if(modrm_byte < 0xC0)
{
instr_0F16_mem(modrm_resolve(modrm_byte), modrm_byte >> 3 & 7);
}
else
{
instr_0F16_reg(modrm_byte & 7, modrm_byte >> 3 & 7);
}
}
}
break;