[PATCH] D136525: [M68k] Add codegen pattern for atomic load / store

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Target/M68k/M68kInstrAtomics.td:27
+
+multiclass AtomicPatterns {
+  foreach size = [8, 16, 32] in {
----------------
0x59616e wrote:
> myhsu wrote:
> > Why do we need to wrap these patterns with multiclass?
> Yeah that's verbose. I didn't think this through.
Probably the best way to make this 020+ only is to wrap the patterns, something like:
```
let Predicates = [FeatureISA20] {
 foreach size = [8, 16, 32] in {
  ....
 }
}
```


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136525/new/

https://reviews.llvm.org/D136525