On Wed, Dec 02, 2020 at 04:32:47PM -0600, will schmidt wrote: > On Wed, 2020-12-02 at 17:44 +0800, Kewen.Lin via Gcc-patches wrote: > > * gcc.target/powerpc/pr96933-1.c: Adjusted to check no rlwinm. > > * gcc.target/powerpc/pr96933-2.c: Likewise. > > Ok. (I'd hope a few more extend instructions would be eliminated, but > this only covers the tests that explicitly looked/didn't look for them, so > OK).
The patch changes only one very specific case. To have a bigger effect, some much more generic thing is needed (and that should *not* use subregs, subregs are worse most of the time). Segher
