================
@@ -5743,6 +5747,14 @@
LoongArchTargetLowering::shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const {
}
unsigned Size = AI->getType()->getPrimitiveSizeInBits();
+ if (Subtarget.hasLAMCAS()) {
+ if (AI->getOperation() == AtomicRMWInst::Nand ||
+ (Size < 32 /*&& (AI->getOperation() != AtomicRMWInst::Or &&
----------------
xen0n wrote:
How is this related to code size?
https://github.com/llvm/llvm-project/pull/114189
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