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authorEvan Cheng <evan.cheng@apple.com>2009-09-29 07:07:30 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-09-29 07:07:30 +0000
commitfa1be5d99153a4709740ce5aabba3793e9f77982 (patch)
tree05d47cb41c6aac524ed67e2c85fca34451618e7b /lib/Target/ARM/ARMLoadStoreOptimizer.cpp
parent4372e697702dc368fdb86997c6f1d58a2d67ad2b (diff)
Fix PR4687. Pre ARMv5te does not support ldrd / strd. Patch by John Tytgat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83058 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMLoadStoreOptimizer.cpp')
-rw-r--r--lib/Target/ARM/ARMLoadStoreOptimizer.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index f1a6c642b8..031f5b0da4 100644
--- a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -1191,6 +1191,10 @@ ARMPreAllocLoadStoreOpt::CanFormLdStDWord(MachineInstr *Op0, MachineInstr *Op1,
unsigned &PredReg,
ARMCC::CondCodes &Pred,
bool &isT2) {
+ // Make sure we're allowed to generate LDRD/STRD.
+ if (!STI->hasV5TEOps())
+ return false;
+
// FIXME: FLDS / FSTS -> FLDD / FSTD
unsigned Scale = 1;
unsigned Opcode = Op0->getOpcode();