[PATCH] D99542: [MC][ARM] add .w suffixes for RSB/RSBS T1

Tue Mar 30 03:40:11 PDT 2021

DavidSpickett added a comment.

Side note: in the v8 docs Rd is optional for all variants, but not in v7. So `rsb r1, r8, asr #3` would be valid but GCC doesn't allow it either. Possibly because it could be difficult to tell the variants apart if you did.

Anyway, not an issue for this patch.

================
Comment at: llvm/test/MC/ARM/basic-thumb2-instructions.s:2272
 @------------------------------------------------------------------------------
         rsb r4, r8
         rsb r4, r9, r8
----------------
Test .w for this version

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99542/new/

https://reviews.llvm.org/D99542