[Bug target/65250] [SH] Improve comparisons followed by a negated cstore

2023-10-21 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65250 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/65250] [SH] Improve comparisons followed by a negated cstore

2023-10-21 Thread olegendo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65250 --- Comment #2 from Oleg Endo --- Briefly checked this one on GCC-13. It generates the optimal sequence.

[Bug target/65250] [SH] Improve comparisons followed by a negated cstore

2015-09-05 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65250 --- Comment #1 from Oleg Endo --- The patch attachment 36012 for PR 54236 improves the treg_set_expr machinery by doing proper comparison inversion, instead of trying only EQ <-> NE. This will be the prerequisite to match a (set (reg:SI 168)