Teach PPCInstrInfo to handle sub-classes.

This has already been done for most other targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141083 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-10-04 15:28:47 +00:00
parent cc0c975b7d
commit 01faf432d9

View File

@ -334,7 +334,7 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs) const{
DebugLoc DL;
if (RC == PPC::GPRCRegisterClass) {
if (PPC::GPRCRegisterClass->hasSubClassEq(RC)) {
if (SrcReg != PPC::LR) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STW))
.addReg(SrcReg,
@ -350,7 +350,7 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF,
getKillRegState(isKill)),
FrameIdx));
}
} else if (RC == PPC::G8RCRegisterClass) {
} else if (PPC::G8RCRegisterClass->hasSubClassEq(RC)) {
if (SrcReg != PPC::LR8) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STD))
.addReg(SrcReg,
@ -366,17 +366,17 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF,
getKillRegState(isKill)),
FrameIdx));
}
} else if (RC == PPC::F8RCRegisterClass) {
} else if (PPC::F8RCRegisterClass->hasSubClassEq(RC)) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STFD))
.addReg(SrcReg,
getKillRegState(isKill)),
FrameIdx));
} else if (RC == PPC::F4RCRegisterClass) {
} else if (PPC::F4RCRegisterClass->hasSubClassEq(RC)) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::STFS))
.addReg(SrcReg,
getKillRegState(isKill)),
FrameIdx));
} else if (RC == PPC::CRRCRegisterClass) {
} else if (PPC::CRRCRegisterClass->hasSubClassEq(RC)) {
if ((EnablePPC32RS && !TM.getSubtargetImpl()->isPPC64()) ||
(EnablePPC64RS && TM.getSubtargetImpl()->isPPC64())) {
// FIXME (64-bit): Enable
@ -414,7 +414,7 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF,
getKillRegState(isKill)),
FrameIdx));
}
} else if (RC == PPC::CRBITRCRegisterClass) {
} else if (PPC::CRBITRCRegisterClass->hasSubClassEq(RC)) {
// FIXME: We use CRi here because there is no mtcrf on a bit. Since the
// backend currently only uses CR1EQ as an individual bit, this should
// not cause any bug. If we need other uses of CR bits, the following
@ -448,7 +448,7 @@ PPCInstrInfo::StoreRegToStackSlot(MachineFunction &MF,
return StoreRegToStackSlot(MF, Reg, isKill, FrameIdx,
PPC::CRRCRegisterClass, NewMIs);
} else if (RC == PPC::VRRCRegisterClass) {
} else if (PPC::VRRCRegisterClass->hasSubClassEq(RC)) {
// We don't have indexed addressing for vector loads. Emit:
// R0 = ADDI FI#
// STVX VAL, 0, R0
@ -499,7 +499,7 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL,
unsigned DestReg, int FrameIdx,
const TargetRegisterClass *RC,
SmallVectorImpl<MachineInstr*> &NewMIs)const{
if (RC == PPC::GPRCRegisterClass) {
if (PPC::GPRCRegisterClass->hasSubClassEq(RC)) {
if (DestReg != PPC::LR) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LWZ),
DestReg), FrameIdx));
@ -508,7 +508,7 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL,
PPC::R11), FrameIdx));
NewMIs.push_back(BuildMI(MF, DL, get(PPC::MTLR)).addReg(PPC::R11));
}
} else if (RC == PPC::G8RCRegisterClass) {
} else if (PPC::G8RCRegisterClass->hasSubClassEq(RC)) {
if (DestReg != PPC::LR8) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LD), DestReg),
FrameIdx));
@ -517,13 +517,13 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL,
PPC::R11), FrameIdx));
NewMIs.push_back(BuildMI(MF, DL, get(PPC::MTLR8)).addReg(PPC::R11));
}
} else if (RC == PPC::F8RCRegisterClass) {
} else if (PPC::F8RCRegisterClass->hasSubClassEq(RC)) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LFD), DestReg),
FrameIdx));
} else if (RC == PPC::F4RCRegisterClass) {
} else if (PPC::F4RCRegisterClass->hasSubClassEq(RC)) {
NewMIs.push_back(addFrameReference(BuildMI(MF, DL, get(PPC::LFS), DestReg),
FrameIdx));
} else if (RC == PPC::CRRCRegisterClass) {
} else if (PPC::CRRCRegisterClass->hasSubClassEq(RC)) {
// FIXME: We need a scatch reg here. The trouble with using R0 is that
// it's possible for the stack frame to be so big the save location is
// out of range of immediate offsets, necessitating another register.
@ -546,7 +546,7 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL,
NewMIs.push_back(BuildMI(MF, DL, get(PPC::MTCRF), DestReg)
.addReg(ScratchReg));
} else if (RC == PPC::CRBITRCRegisterClass) {
} else if (PPC::CRBITRCRegisterClass->hasSubClassEq(RC)) {
unsigned Reg = 0;
if (DestReg == PPC::CR0LT || DestReg == PPC::CR0GT ||
@ -577,7 +577,7 @@ PPCInstrInfo::LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL,
return LoadRegFromStackSlot(MF, DL, Reg, FrameIdx,
PPC::CRRCRegisterClass, NewMIs);
} else if (RC == PPC::VRRCRegisterClass) {
} else if (PPC::VRRCRegisterClass->hasSubClassEq(RC)) {
// We don't have indexed addressing for vector loads. Emit:
// R0 = ADDI FI#
// Dest = LVX 0, R0