https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114978
--- Comment #41 from Chen Chen <chz0808 at gmail dot com> --- (In reply to Chen Chen from comment #40) > (In reply to Andrew Pinski from comment #36) > > (In reply to Chen Chen from comment #35) > > > > > > 1. unknown patch committed between 20250105-20250112 on gcc15: works for > > > gcc15, possibly also works for gcc14? If yes, can it be backported to > > > gcc14? > > > > r15-6657-g405c99c17210a5 is most likely canidate as it was explicitly > > designed for exchange2_r and it falls directly in your time frame. And I > > doubt it can be backported to GCC 14. > > Thank you very much for your kind help! I just did some tests and confirm > that the patch r15-6657 alone would fix the regression issue. See below, > tests are made on Debian sid loong64 with loongson 3A6000 CPU: > > -march=la464 -O3 -flto: 9.20 (Debian sid system default 14.2.0-19) > -march=la464 -O3 -flto: 12.4 (14.2.0 source + r15-6657) > > > I saw many other commits at the page: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114074, but they should be not > related to this matter. > > Is it possible to backport r15-6657 alone to gcc14? Sorry, I made a mistake here. 114074 should be 114932. I mean other commits at: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114932 should be not related.
