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[DYNAREC] Small optim for 0F C6 opcode

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This commit is contained in:
ptitSeb 2022-10-01 23:44:55 +02:00
parent cc26096c28
commit 68826baf3b
1 changed files with 20 additions and 15 deletions
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35
src/dynarec/arm64/dynarec_arm64_0f.c
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@ -1619,25 +1619,30 @@ uintptr_t dynarec64_0F(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
GETGX(v0, 1);
if(!MODREG)
addr = geted(dyn, addr, ninst, nextop, &ed, x1, &fixedaddress, 0, 0, rex, NULL, 0, 1);
u8 = F8;
d0 = fpu_get_scratch(dyn);
// first two elements from Gx
for(int i=0; i<2; ++i) {
VMOVeS(d0, i, v0, (u8>>(i*2)&3));
}
// second two from Ex
if(MODREG) {
else
v1 = sse_get_reg(dyn, ninst, x1, (nextop&7)+(rex.b<<3), 0);
for(int i=2; i<4; ++i) {
VMOVeS(d0, i, v1, (u8>>(i*2)&3));
}
u8 = F8;
if(MODREG && v0==v1 && (u8&0x3)==((u8>>2)&3) && (u8&0xf)==((u8>>4)&0xf)) {
VDUPQ_32(v0, v0, u8&3);
} else {
for(int i=2; i<4; ++i) {
ADDx_U12(x2, ed, (u8>>(i*2)&3)*4);
VLD1_32(d0, i, x2);
d0 = fpu_get_scratch(dyn);
// first two elements from Gx
for(int i=0; i<2; ++i) {
VMOVeS(d0, i, v0, (u8>>(i*2)&3));
}
// second two from Ex
if(MODREG) {
for(int i=2; i<4; ++i) {
VMOVeS(d0, i, v1, (u8>>(i*2)&3));
}
} else {
for(int i=2; i<4; ++i) {
ADDx_U12(x2, ed, (u8>>(i*2)&3)*4);
VLD1_32(d0, i, x2);
}
}
VMOVQ(v0, d0);
}
VMOVQ(v0, d0);
break;
case 0xC8: