6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-05 17:39:16 +00:00
Code Issues Projects Releases Wiki Activity

Don't try to use pre-indexed addressing with sthbrx/stwbrx

Browse Source 
instructions. This fixes a PowerPC bug exposed by some unrelated
changes I'm working on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82743 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-09-25 00:57:30 +00:00
parent 8fc13cb4f7
commit 6acaaa8f32
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -4921,7 +4921,8 @@ SDValue PPCTargetLowering::PerformDAGCombine(SDNode *N,
}
// Turn STORE (BSWAP) -> sthbrx/stwbrx.
if (N->getOperand(1).getOpcode() == ISD::BSWAP &&
if (cast<StoreSDNode>(N)->isUnindexed() &&
N->getOperand(1).getOpcode() == ISD::BSWAP &&
N->getOperand(1).getNode()->hasOneUse() &&
(N->getOperand(1).getValueType() == MVT::i32 ||
N->getOperand(1).getValueType() == MVT::i16)) {