diff options
| author | Chris Lattner <sabre@nondot.org> | 2004-11-30 06:29:10 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-11-30 06:29:10 +0000 |
| commit | 9eeb2033ff171761452b116d8e3b118fc87346ec (patch) | |
| tree | f5df2cf4e83577c1ec2c836a8e4a1af95e70dabe /llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp | |
| parent | 90e62de4e9b97a1b4c9386fbd16daad64f17a0a9 (diff) | |
| download | bcm5719-llvm-9eeb2033ff171761452b116d8e3b118fc87346ec.tar.gz bcm5719-llvm-9eeb2033ff171761452b116d8e3b118fc87346ec.zip | |
Fix test/Regression/CodeGen/PowerPC/2004-11-30-shift-crash.ll
llvm-svn: 18371
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp index 2c43dcae902..33512c1e393 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelSimple.cpp @@ -2766,7 +2766,12 @@ void PPC32ISel::emitShiftOperation(MachineBasicBlock *MBB, // than for a variable shift by using the rlwimi instruction. if (ConstantUInt *CUI = dyn_cast<ConstantUInt>(ShiftAmount)) { unsigned Amount = CUI->getValue(); - if (Amount < 32) { + if (Amount == 0) { + BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg); + BuildMI(*MBB, IP, PPC::OR, 2, DestReg+1) + .addReg(SrcReg+1).addReg(SrcReg+1); + + } else if (Amount < 32) { unsigned TempReg = makeAnotherReg(ResultTy); if (isLeftShift) { BuildMI(*MBB, IP, PPC::RLWINM, 4, TempReg).addReg(SrcReg) |
