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Expand ATOMIC_LOAD and ATOMIC_STORE for architectures I don't know well enough to fix properly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138751 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-08-29 18:23:02 +00:00
parent 7e0d22cbf7
commit 4db5acaf48
4 changed files with 10 additions and 0 deletions
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lib/Target/ARM/ARMISelLowering.cpp
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@ -596,6 +596,7 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
// ARMv6 Thumb1 (except for CPUs that support dmb / dsb) and earlier use
// the default expansion.
// FIXME: This should be checking for v6k, not just v6.
if (Subtarget->hasDataBarrier() ||
(Subtarget->hasV6Ops() && !Subtarget->isThumb())) {
// membarrier needs custom lowering; the rest are legal and handled