summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAndrew Lenharth <andrewl@lenharth.org>2008-03-01 22:27:48 +0000
committerAndrew Lenharth <andrewl@lenharth.org>2008-03-01 22:27:48 +0000
commitf5c90ec12c669f7e9a9ace2f38e3fe39bd03e0ad (patch)
treec85d3d8ee00905985346b3289afda9b2b7c6625d
parentd032c33300fd6915e59f06a478f3d38ace39957a (diff)
downloadbcm5719-llvm-f5c90ec12c669f7e9a9ace2f38e3fe39bd03e0ad.tar.gz
bcm5719-llvm-f5c90ec12c669f7e9a9ace2f38e3fe39bd03e0ad.zip
make CAS work
llvm-svn: 47799
-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp4
-rw-r--r--llvm/lib/Target/X86/X86InstrInfo.td1
2 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 4cb94916138..6c7f5fede6f 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -5358,10 +5358,10 @@ SDOperand X86TargetLowering::LowerCAS(SDOperand Op, SelectionDAG &DAG) {
case MVT::i32: Reg = X86::EAX; size = 4; break;
};
SDOperand cpIn = DAG.getCopyToReg(Op.getOperand(0), Reg,
- Op.getOperand(2), SDOperand());
+ Op.getOperand(3), SDOperand());
SDOperand Ops[] = { cpIn.getValue(0),
Op.getOperand(1),
- Op.getOperand(3),
+ Op.getOperand(2),
DAG.getTargetConstant(size, MVT::i8),
cpIn.getValue(1) };
SDVTList Tys = DAG.getVTList(MVT::Other, MVT::Flag);
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index a109dc64887..134aeb63d11 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -2548,6 +2548,7 @@ def EH_RETURN : I<0xC3, RawFrm, (outs), (ins GR32:$addr),
//FIXME: Please check the format Pseudo is certainly wrong, but the opcode and
// prefixes should be correct
+
let Defs = [EAX, EFLAGS], Uses = [EAX] in {
def CMPXCHG32 : I<0xB1, Pseudo, (outs), (ins i32mem:$ptr, GR32:$swap),
"cmpxchgl $swap,$ptr", []>, TB;
OpenPOWER on IntegriCloud