https://github.com/RKSimon commented:
Please can you confirm we have tests for underaligned pointers?
https://github.com/llvm/llvm-project/pull/74275
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jyknight wrote:
Ping!
https://github.com/llvm/llvm-project/pull/74275
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@@ -228,87 +228,86 @@ define void @widen_broadcast_unaligned(ptr %p0, i32 %v) {
}
define i128 @load_i128(ptr %ptr) {
-; CHECK-O0-LABEL: load_i128:
-; CHECK-O0: # %bb.0:
-; CHECK-O0-NEXT:pushq %rbx
-; CHECK-O0-NEXT:.cfi_def_cfa_offset 16
-; CHECK-O0-NEXT:
@@ -30115,12 +30126,16 @@
X86TargetLowering::shouldExpandAtomicLoadInIR(LoadInst *LI) const {
// If this a 64 bit atomic load on a 32-bit target and SSE2 is enabled, we
// can use movq to do the load. If we have X87 we can load into an 80-bit
// X87 register and store
@@ -31259,14 +31274,23 @@ static SDValue LowerATOMIC_STORE(SDValue Op,
SelectionDAG ,
if (!IsSeqCst && IsTypeLegal)
return Op;
- if (VT == MVT::i64 && !IsTypeLegal) {
+ if (!IsTypeLegal && !Subtarget.useSoftFloat() &&
+
