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| author | Chris Lattner <sabre@nondot.org> | 2008-01-18 16:54:56 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-01-18 16:54:56 +0000 |
| commit | f5b46f7dad60957c72d664a118d447cf68b844a9 (patch) | |
| tree | 1e8dbb0eafc963bd594b1501d3a93518af7d1e7b /llvm/lib/Target/PowerPC/PPCISelLowering.cpp | |
| parent | 7dc00e802195a8a65966f6d46e04bb9a40a898f9 (diff) | |
| download | bcm5719-llvm-f5b46f7dad60957c72d664a118d447cf68b844a9.tar.gz bcm5719-llvm-f5b46f7dad60957c72d664a118d447cf68b844a9.zip | |
Fix a latent bug exposed by my truncstore patch. We compiled stfiwx-2.ll to:
_test:
fctiwz f0, f1
stfiwx f0, 0, r4
blr
instead of:
_test:
fctiwz f0, f1
stfd f0, -8(r1)
nop
nop
lwz r2, -4(r1)
stb r2, 0(r4)
blr
The former is not correct (stores 4 bytes, not 1).
llvm-svn: 46161
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index 6a35bafaf4a..32feb05ae8d 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -3184,6 +3184,7 @@ SDOperand PPCTargetLowering::PerformDAGCombine(SDNode *N, case ISD::STORE: // Turn STORE (FP_TO_SINT F) -> STFIWX(FCTIWZ(F)). if (TM.getSubtarget<PPCSubtarget>().hasSTFIWX() && + !cast<StoreSDNode>(N)->isTruncatingStore() && N->getOperand(1).getOpcode() == ISD::FP_TO_SINT && N->getOperand(1).getValueType() == MVT::i32 && N->getOperand(1).getOperand(0).getValueType() != MVT::ppcf128) { |
