On Sat, 22 May 2021, H.J. Lu via Gcc-patches wrote: > 1. Update PUSH_ARGS to accept an argument. When the PUSH instruction > usage is optional, pass the number of bytes to push to PUSH_ARGS so that > the backend can decide if PUSH instructions should be generated. > 2. Change x86 PUSH_ARGS to return 0 when number of bytes to push is more > than a word to avoid generating non-existent PUSH instructions. > 3. Remove target PUSH_ARGS definitions which return 0 as it is the same > as the default.
If you're changing all users and definitions of PUSH_ARGS anyway, it probably makes sense to change it to a target hook. -- Joseph S. Myers jos...@codesourcery.com
