Changes in directory llvm/lib/Target/ARM:
ARMRegisterInfo.cpp updated: 1.37 -> 1.38 --- Log message: Round up stack to multiple of alignment only if it's a leaf function without alloca. --- Diffs of the changes: (+7 -4) ARMRegisterInfo.cpp | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-) Index: llvm/lib/Target/ARM/ARMRegisterInfo.cpp diff -u llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.37 llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.38 --- llvm/lib/Target/ARM/ARMRegisterInfo.cpp:1.37 Fri Jan 19 21:24:07 2007 +++ llvm/lib/Target/ARM/ARMRegisterInfo.cpp Sat Jan 20 04:22:33 2007 @@ -917,14 +917,17 @@ // If necessary, add one more SUBri to account for the call frame // and/or local storage, alloca area. - if (MFI->hasCalls() && !hasFP(MF)) + if (MFI->hasCalls() || MF.getFrameInfo()->hasVarSizedObjects()) { // We reserve argument space for call sites in the function immediately on // entry to the current function. This eliminates the need for add/sub // brackets around call sites. - NumBytes += MFI->getMaxCallFrameSize(); + if (!hasFP(MF)) + NumBytes += MFI->getMaxCallFrameSize(); + + // Round the size to a multiple of the alignment. + NumBytes = (NumBytes+Align-1)/Align*Align; + } - // Round the size to a multiple of the alignment. - NumBytes = (NumBytes+Align-1)/Align*Align; MFI->setStackSize(NumBytes); // Determine starting offsets of spill areas. _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits