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x86jit: Add vmin/vmax.

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2023-08-23 22:17:55 -07:00
parent 931c84f835
commit ef93b7547e
1 changed files with 73 additions and 1 deletions
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Core/MIPS/x86/X64IRCompFPU.cpp
+73 -1
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@@ -243,10 +243,82 @@ void X64JitBackend::CompIR_FCompare(IRInst inst) {
void X64JitBackend::CompIR_FCondAssign(IRInst inst) {
CONDITIONAL_DISABLE;
FixupBranch skipNAN;
FixupBranch finishNAN;
FixupBranch negativeSigns;
FixupBranch finishNANSigns;
X64Reg tempReg = INVALID_REG;
switch (inst.op) {
case IROp::FMin:
tempReg = regs_.GetAndLockTempR();
regs_.Map(inst);
UCOMISS(regs_.FX(inst.src1), regs_.F(inst.src1));
skipNAN = J_CC(CC_NP, true);
// Slow path: NAN case. Check if both are negative.
MOVD_xmm(R(tempReg), regs_.FX(inst.src1));
MOVD_xmm(R(SCRATCH1), regs_.FX(inst.src2));
TEST(32, R(SCRATCH1), R(tempReg));
negativeSigns = J_CC(CC_S);
// Okay, one or the other positive.
CMP(32, R(tempReg), R(SCRATCH1));
CMOVcc(32, tempReg, R(SCRATCH1), CC_G);
MOVD_xmm(regs_.FX(inst.dest), R(tempReg));
finishNAN = J();
// Okay, both negative.
SetJumpTarget(negativeSigns);
CMP(32, R(tempReg), R(SCRATCH1));
CMOVcc(32, tempReg, R(SCRATCH1), CC_L);
MOVD_xmm(regs_.FX(inst.dest), R(tempReg));
finishNANSigns = J();
SetJumpTarget(skipNAN);
if (cpu_info.bAVX) {
VMINSS(regs_.FX(inst.dest), regs_.FX(inst.src1), regs_.F(inst.src2));
} else {
MOVAPS(regs_.FX(inst.dest), regs_.F(inst.src1));
MINSS(regs_.FX(inst.dest), regs_.F(inst.src2));
}
SetJumpTarget(finishNAN);
SetJumpTarget(finishNANSigns);
break;
case IROp::FMax:
CompIR_Generic(inst);
tempReg = regs_.GetAndLockTempR();
regs_.Map(inst);
UCOMISS(regs_.FX(inst.src1), regs_.F(inst.src1));
skipNAN = J_CC(CC_NP, true);
// Slow path: NAN case. Check if both are negative.
MOVD_xmm(R(tempReg), regs_.FX(inst.src1));
MOVD_xmm(R(SCRATCH1), regs_.FX(inst.src2));
TEST(32, R(SCRATCH1), R(tempReg));
negativeSigns = J_CC(CC_S);
// Okay, one or the other positive.
CMP(32, R(tempReg), R(SCRATCH1));
CMOVcc(32, tempReg, R(SCRATCH1), CC_L);
MOVD_xmm(regs_.FX(inst.dest), R(tempReg));
finishNAN = J();
// Okay, both negative.
SetJumpTarget(negativeSigns);
CMP(32, R(tempReg), R(SCRATCH1));
CMOVcc(32, tempReg, R(SCRATCH1), CC_G);
MOVD_xmm(regs_.FX(inst.dest), R(tempReg));
finishNANSigns = J();
SetJumpTarget(skipNAN);
if (cpu_info.bAVX) {
VMAXSS(regs_.FX(inst.dest), regs_.FX(inst.src1), regs_.F(inst.src2));
} else {
MOVAPS(regs_.FX(inst.dest), regs_.F(inst.src1));
MAXSS(regs_.FX(inst.dest), regs_.F(inst.src2));
}
SetJumpTarget(finishNAN);
SetJumpTarget(finishNANSigns);
break;
default: