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[AVX-512] Replace get512BitSuperRegister with calls to TargetRegisterInfo::getMatchingSuperReg.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@282359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2016-09-25 16:34:06 +00:00
parent 7913ebb85c
commit 444f89a273
3 changed files with 10 additions and 17 deletions
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14
lib/Target/X86/X86InstrInfo.cpp
View File

@ -4816,8 +4816,11 @@ void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
// If this an extended register and we don't have VLX we need to use a
// 512-bit move.
Opc = X86::VMOVAPSZrr;
DestReg = get512BitSuperRegister(DestReg);
SrcReg = get512BitSuperRegister(SrcReg);
const TargetRegisterInfo *TRI = &getRegisterInfo();
DestReg = TRI->getMatchingSuperReg(DestReg, X86::sub_xmm,
&X86::VR512RegClass);
SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_xmm,
&X86::VR512RegClass);
}
} else if (X86::VR256XRegClass.contains(DestReg, SrcReg)) {
if (HasVLX)
@ -4828,8 +4831,11 @@ void X86InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
// If this an extended register and we don't have VLX we need to use a
// 512-bit move.
Opc = X86::VMOVAPSZrr;
DestReg = get512BitSuperRegister(DestReg);
SrcReg = get512BitSuperRegister(SrcReg);
const TargetRegisterInfo *TRI = &getRegisterInfo();
DestReg = TRI->getMatchingSuperReg(DestReg, X86::sub_ymm,
&X86::VR512RegClass);
SrcReg = TRI->getMatchingSuperReg(SrcReg, X86::sub_ymm,
&X86::VR512RegClass);
}
} else if (X86::VR512RegClass.contains(DestReg, SrcReg))
Opc = X86::VMOVAPSZrr;

10
lib/Target/X86/X86RegisterInfo.cpp
View File

@ -691,13 +691,3 @@ X86RegisterInfo::getPtrSizedFrameRegister(const MachineFunction &MF) const {
FrameReg = getX86SubSuperRegister(FrameReg, 32);
return FrameReg;
}
unsigned llvm::get512BitSuperRegister(unsigned Reg) {
if (Reg >= X86::XMM0 && Reg <= X86::XMM31)
return X86::ZMM0 + (Reg - X86::XMM0);
if (Reg >= X86::YMM0 && Reg <= X86::YMM31)
return X86::ZMM0 + (Reg - X86::YMM0);
if (Reg >= X86::ZMM0 && Reg <= X86::ZMM31)
return Reg;
llvm_unreachable("Unexpected SIMD register");
}

3
lib/Target/X86/X86RegisterInfo.h
View File

@ -137,9 +137,6 @@ public:
unsigned getSlotSize() const { return SlotSize; }
};
//get512BitRegister - X86 utility - returns 512-bit super register
unsigned get512BitSuperRegister(unsigned Reg);
} // End llvm namespace
#endif