diff options
| author | Jim Grosbach <grosbach@apple.com> | 2009-10-29 02:41:21 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2009-10-29 02:41:21 +0000 |
| commit | 84e58d03c910aa6ea8557d2f2f9de1f96162cae1 (patch) | |
| tree | d7c9c9e4db7efb338bb394a47cbc66caed2cea61 | |
| parent | f2ce516828ed6b04bad5132a13c8e228d9a0b117 (diff) | |
To get more thorough testing from llc-beta nightly runs, do dynamic stack
realignment regardless of whether it's strictly necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85476 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp index b2bf4f0778..3de83af834 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -467,7 +467,11 @@ ARMBaseRegisterInfo::UpdateRegAllocHint(unsigned Reg, unsigned NewReg, } static unsigned calculateMaxStackAlignment(const MachineFrameInfo *FFI) { - unsigned MaxAlign = 0; + // FIXME: For now, force at least 128-bit alignment. This will push the + // nightly tester harder for making sure things work correctly. When + // we're ready to enable this for real, this goes back to starting at zero. + unsigned MaxAlign = 16; +// unsigned MaxAlign = 0; for (int i = FFI->getObjectIndexBegin(), e = FFI->getObjectIndexEnd(); i != e; ++i) { @@ -500,14 +504,15 @@ needsStackRealignment(const MachineFunction &MF) const { if (!ARMDynamicStackAlign) return false; + // FIXME: To force more brutal testing, realign whether we need to or not. + // Change this to be more selective when we turn it on for real, of course. const MachineFrameInfo *MFI = MF.getFrameInfo(); const ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>(); - unsigned StackAlign = MF.getTarget().getFrameInfo()->getStackAlignment(); +// unsigned StackAlign = MF.getTarget().getFrameInfo()->getStackAlignment(); return (RealignStack && !AFI->isThumb1OnlyFunction() && - (MFI->getMaxAlignment() > StackAlign) && +// (MFI->getMaxAlignment() > StackAlign) && !MFI->hasVarSizedObjects()); - } bool ARMBaseRegisterInfo::cannotEliminateFrame(const MachineFunction &MF) const { |