[Bug target/67657] [SH][5/6 Regression]: internal compiler error: in cselib_record_set, at cselib.c:2396 when compiling libjpeg-turbo

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67657

--- Comment #9 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #7)
> Created attachment 36357 [details]
> Proposed patch
> 
> Although a "mov @r2+,r2" is actually possible and valid (r2 will contain the
> value loaded from memory, AFAIR), it doesn't make sense to keep the
> post-inc, as the result will be overwritten anyway.  The patch catches those
> cases in the peepholes and removes the post-inc.  I'm now testing this on
> sh-elf.

No new failures on sh-elf for make -k check
RUNTESTFLAGS="--target_board=sh-sim\{-m2/-ml,-m2/-mb,-m2a/-mb,-m4/-ml,-m4/-mb,-m4a/-ml,-m4a/-mb}"