diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index 963ca055d5..cbc22de621 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -397,12 +397,11 @@ void PPCRegisterInfo::emitPrologue(MachineFunction &MF) const { // If there is a preferred stack alignment, align R1 now if (MaxAlign > TargetAlign) { assert(isPowerOf2_32(MaxAlign) && MaxAlign < 32767 && "Invalid alignment!"); - assert(NumBytes <= 32768 && "Unhandled stack size and alignment combo!"); + assert(isInt16(MaxAlign-NumBytes) && "Unhandled stack size and alignment!"); BuildMI(MBB, MBBI, PPC::RLWINM, 4, PPC::R0) .addReg(PPC::R1).addImm(0).addImm(32-Log2_32(MaxAlign)).addImm(31); - BuildMI(MBB, MBBI, PPC::SUBFIC,2,PPC::R0).addReg(PPC::R0).addSImm(MaxAlign); - BuildMI(MBB, MBBI, PPC::ADDI, 2, PPC::R0).addReg(PPC::R0) - .addSImm(NegNumbytes); + BuildMI(MBB, MBBI, PPC::SUBFIC,2,PPC::R0).addReg(PPC::R0) + .addSImm(MaxAlign-NumBytes); BuildMI(MBB, MBBI, PPC::STWUX, 3) .addReg(PPC::R1).addReg(PPC::R1).addReg(PPC::R0); } else if (NumBytes <= 32768) { |