Fix swapped CASA operands.
Found by SingleSource/UnitTests/AtomicOps.c
llvm-svn: 200130
diff --git a/llvm/lib/Target/Sparc/SparcISelLowering.cpp b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
index 85a02ed..b555049 100644
--- a/llvm/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
@@ -2977,7 +2977,7 @@
// loop:
// %val = phi %val0, %dest
// %upd = op %val, %rs2
- // %dest = cas %addr, %upd, %val
+ // %dest = cas %addr, %val, %upd
// cmp %val, %dest
// bne loop
// done:
@@ -3036,7 +3036,7 @@
}
BuildMI(LoopMBB, DL, TII.get(is64Bit ? SP::CASXrr : SP::CASrr), DestReg)
- .addReg(AddrReg).addReg(UpdReg).addReg(ValReg)
+ .addReg(AddrReg).addReg(ValReg).addReg(UpdReg)
.setMemRefs(MI->memoperands_begin(), MI->memoperands_end());
BuildMI(LoopMBB, DL, TII.get(SP::CMPrr)).addReg(ValReg).addReg(DestReg);
BuildMI(LoopMBB, DL, TII.get(is64Bit ? SP::BPXCC : SP::BCOND))