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Add support for generating reg+reg preinc stores on PPC.

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PPC will now generate STWUX and friends.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2012-06-19 02:34:32 +00:00
parent 565bdbf598
commit ac81cc3282
7 changed files with 161 additions and 25 deletions
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16
lib/Target/PowerPC/PPCFrameLowering.cpp
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@ -368,9 +368,9 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
BuildMI(MBB, MBBI, dl, TII.get(PPC::SUBFIC) ,PPC::R0)
.addReg(PPC::R0, RegState::Kill)
.addImm(NegFrameSize);
BuildMI(MBB, MBBI, dl, TII.get(PPC::STWUX))
BuildMI(MBB, MBBI, dl, TII.get(PPC::STWUX), PPC::R1)
.addReg(PPC::R1, RegState::Kill)
.addReg(PPC::R1, RegState::Define)
.addReg(PPC::R1)
.addReg(PPC::R0);
} else if (isInt<16>(NegFrameSize)) {
BuildMI(MBB, MBBI, dl, TII.get(PPC::STWU), PPC::R1)
@ -383,9 +383,9 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
BuildMI(MBB, MBBI, dl, TII.get(PPC::ORI), PPC::R0)
.addReg(PPC::R0, RegState::Kill)
.addImm(NegFrameSize & 0xFFFF);
BuildMI(MBB, MBBI, dl, TII.get(PPC::STWUX))
BuildMI(MBB, MBBI, dl, TII.get(PPC::STWUX), PPC::R1)
.addReg(PPC::R1, RegState::Kill)
.addReg(PPC::R1, RegState::Define)
.addReg(PPC::R1)
.addReg(PPC::R0);
}
} else { // PPC64.
@ -401,9 +401,9 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
BuildMI(MBB, MBBI, dl, TII.get(PPC::SUBFIC8), PPC::X0)
.addReg(PPC::X0)
.addImm(NegFrameSize);
BuildMI(MBB, MBBI, dl, TII.get(PPC::STDUX))
BuildMI(MBB, MBBI, dl, TII.get(PPC::STDUX), PPC::X1)
.addReg(PPC::X1, RegState::Kill)
.addReg(PPC::X1, RegState::Define)
.addReg(PPC::X1)
.addReg(PPC::X0);
} else if (isInt<16>(NegFrameSize)) {
BuildMI(MBB, MBBI, dl, TII.get(PPC::STDU), PPC::X1)
@ -416,9 +416,9 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const {
BuildMI(MBB, MBBI, dl, TII.get(PPC::ORI8), PPC::X0)
.addReg(PPC::X0, RegState::Kill)
.addImm(NegFrameSize & 0xFFFF);
BuildMI(MBB, MBBI, dl, TII.get(PPC::STDUX))
BuildMI(MBB, MBBI, dl, TII.get(PPC::STDUX), PPC::X1)
.addReg(PPC::X1, RegState::Kill)
.addReg(PPC::X1, RegState::Define)
.addReg(PPC::X1)
.addReg(PPC::X0);
}
}