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-rw-r--r--lib/Target/ARM/ARMBaseRegisterInfo.cpp14
1 files changed, 3 insertions, 11 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index 3197ab0844..23dfad12e7 100644
--- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -476,11 +476,7 @@ ARMBaseRegisterInfo::UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
}
static unsigned calculateMaxStackAlignment(const MachineFrameInfo *FFI) {
- // 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;
+ unsigned MaxAlign = 0;
for (int i = FFI->getObjectIndexBegin(),
e = FFI->getObjectIndexEnd(); i != e; ++i) {
@@ -508,19 +504,15 @@ bool ARMBaseRegisterInfo::hasFP(const MachineFunction &MF) const {
bool ARMBaseRegisterInfo::
needsStackRealignment(const MachineFunction &MF) const {
- // Only do this for ARM if explicitly enabled
- // FIXME: Once it's passing all the tests, enable by default
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());
}