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| author | Evan Cheng <evan.cheng@apple.com> | 2009-09-29 07:07:30 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-09-29 07:07:30 +0000 |
| commit | 350c913b054b04ffd2c0041e8cf63d6031cb060b (patch) | |
| tree | 05d47cb41c6aac524ed67e2c85fca34451618e7b /lib/Target/ARM/ARMLoadStoreOptimizer.cpp | |
| parent | 5c2dc21a880cfd629c485bf65dcc7d8380da234d (diff) | |
| download | external_llvm-350c913b054b04ffd2c0041e8cf63d6031cb060b.zip external_llvm-350c913b054b04ffd2c0041e8cf63d6031cb060b.tar.gz external_llvm-350c913b054b04ffd2c0041e8cf63d6031cb060b.tar.bz2 | |
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.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/lib/Target/ARM/ARMLoadStoreOptimizer.cpp index f1a6c64..031f5b0 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(); |