Re: [modulo-sched][PATCH] Fix PR92591

2019-12-18 Thread Richard Biener
On December 17, 2019 8:40:59 PM GMT+01:00, Roman Zhuykov wrote: >Hello. > >> As pointed out in the PR >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92591#c1, the test can >be >> fixed by DFA-checking more adjacent row sequences in the partial >> schedule. >> I've found that on powerpc64 gcc.c-t

Re: [modulo-sched][PATCH] Fix PR92591

2019-12-17 Thread Roman Zhuykov
Hello. As pointed out in the PR https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92591#c1, the test can be fixed by DFA-checking more adjacent row sequences in the partial schedule. I've found that on powerpc64 gcc.c-torture/execute/pr61682.c test catches same issue with -Os -fmodulo-sched-allow-reg

[modulo-sched][PATCH] Fix PR92591

2019-12-12 Thread Roman Zhuykov
Hello. As pointed out in the PR https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92591#c1, the test can be fixed by DFA-checking more adjacent row sequences in the partial schedule. I've found that on powerpc64 gcc.c-torture/execute/pr61682.c test catches same issue with -Os -fmodulo-sched-allow-