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authorrdivacky <rdivacky@FreeBSD.org>2010-05-27 15:15:58 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-05-27 15:15:58 +0000
commit1e3dec662ea18131c495db50caccc57f77b7a5fe (patch)
tree9fad9a5d5dd8c4ff54af48edad9c8cc26dd5fda1 /lib/Target/PowerPC/PPCRegisterInfo.cpp
parent377552607e51dc1d3e6ff33833f9620bcfe815ac (diff)
downloadFreeBSD-src-1e3dec662ea18131c495db50caccc57f77b7a5fe.zip
FreeBSD-src-1e3dec662ea18131c495db50caccc57f77b7a5fe.tar.gz
Update LLVM to r104832.
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
-rw-r--r--lib/Target/PowerPC/PPCRegisterInfo.cpp14
1 files changed, 5 insertions, 9 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 5f1e04e..0ff852c 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -689,19 +689,15 @@ void PPCRegisterInfo::lowerCRSpilling(MachineBasicBlock::iterator II,
const TargetRegisterClass *GPRC = &PPC::GPRCRegClass;
const TargetRegisterClass *RC = Subtarget.isPPC64() ? G8RC : GPRC;
unsigned Reg = findScratchRegister(II, RS, RC, SPAdj);
+ unsigned SrcReg = MI.getOperand(0).getReg();
// We need to store the CR in the low 4-bits of the saved value. First, issue
- // an MFCR to save all of the CRBits. Add an implicit kill of the CR.
- if (!MI.getOperand(0).isKill())
- BuildMI(MBB, II, dl, TII.get(PPC::MFCR), Reg);
- else
- // Implicitly kill the CR register.
- BuildMI(MBB, II, dl, TII.get(PPC::MFCR), Reg)
- .addReg(MI.getOperand(0).getReg(), RegState::ImplicitKill);
+ // an MFCRpsued to save all of the CRBits and, if needed, kill the SrcReg.
+ BuildMI(MBB, II, dl, TII.get(PPC::MFCRpseud), Reg)
+ .addReg(SrcReg, getKillRegState(MI.getOperand(0).isKill()));
// If the saved register wasn't CR0, shift the bits left so that they are in
// CR0's slot.
- unsigned SrcReg = MI.getOperand(0).getReg();
if (SrcReg != PPC::CR0)
// rlwinm rA, rA, ShiftBits, 0, 31.
BuildMI(MBB, II, dl, TII.get(PPC::RLWINM), Reg)
@@ -1009,7 +1005,7 @@ void PPCRegisterInfo::determineFrameLayout(MachineFunction &MF) const {
if (!DisableRedZone &&
FrameSize <= 224 && // Fits in red zone.
!MFI->hasVarSizedObjects() && // No dynamic alloca.
- !MFI->hasCalls() && // No calls.
+ !MFI->adjustsStack() && // No calls.
(!ALIGN_STACK || MaxAlign <= TargetAlign)) { // No special alignment.
// No need for frame
MFI->setStackSize(0);
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