diff options
Diffstat (limited to 'lib/Target/Sparc')
| -rw-r--r-- | lib/Target/Sparc/SparcRegisterInfo.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Target/Sparc/SparcRegisterInfo.cpp b/lib/Target/Sparc/SparcRegisterInfo.cpp index 83896f89a2..67a67428e9 100644 --- a/lib/Target/Sparc/SparcRegisterInfo.cpp +++ b/lib/Target/Sparc/SparcRegisterInfo.cpp @@ -26,15 +26,14 @@ SparcV8RegisterInfo::SparcV8RegisterInfo() int SparcV8RegisterInfo::storeRegToStackSlot( MachineBasicBlock &MBB, - MachineBasicBlock::iterator MBBI, + MachineBasicBlock::iterator I, unsigned SrcReg, int FrameIdx, const TargetRegisterClass *RC) const { assert (RC == SparcV8::IntRegsRegisterClass && "Can only store 32-bit values to stack slots"); - MachineInstr *I = - BuildMI (V8::STrm, 3).addFrameIndex (FrameIdx).addSImm (0).addReg (SrcReg); - MBB.insert(MBBI, I); + // On the order of operands here: think "[FrameIdx + 0] = SrcReg". + BuildMI (MBB, I, V8::STrm, 3).addFrameIndex (FrameIdx).addSImm (0).addReg (SrcReg); return 1; } @@ -57,7 +56,7 @@ int SparcV8RegisterInfo::copyRegToReg(MachineBasicBlock &MBB, assert (RC == SparcV8::IntRegsRegisterClass && "Can only copy 32-bit registers"); BuildMI (MBB, I, V8::ORrr, 2, DestReg).addReg (V8::G0).addReg (SrcReg); - return -1; + return 1; } void SparcV8RegisterInfo:: @@ -109,8 +108,9 @@ void SparcV8RegisterInfo::emitPrologue(MachineFunction &MF) const { // ---------- // 23 words * 4 bytes per word = 92 bytes NumBytes += 92; - NumBytes = (NumBytes + 7) & ~7; // Round up to next doubleword boundary - // (Technically, a word boundary should be sufficient, but SPARC as complains) + // Round up to next doubleword boundary -- a double-word boundary + // is required by the ABI. + NumBytes = (NumBytes + 7) & ~7; BuildMI(MBB, MBB.begin(), V8::SAVEri, 2, V8::SP).addImm(-NumBytes).addReg(V8::SP); } |