[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 --- Comment #6 from Richard Biener --- Created attachment 43897 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43897&action=edit r254012 with peeling disabled

[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 --- Comment #5 from Richard Biener --- Created attachment 43896 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43896&action=edit r254011 with peeling disabled The other differences look like RA/scheduling in the end the stack frame in the

[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 --- Comment #4 from Richard Biener --- (In reply to Richard Biener from comment #3) > Actually r253993 was just the changelog part, r253975 was the actual change. > > So I'm doing r254012 vs r254011 instead. Base = r254011, Peak = r254012

[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 --- Comment #3 from Richard Biener --- Actually r253993 was just the changelog part, r253975 was the actual change. So I'm doing r254012 vs r254011 instead.

[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 --- Comment #2 from Richard Biener --- I'll get numbers/profiles for r253992, r253993 and r254012 for -Ofast -march=haswell.

[Bug target/84490] [8 regression] 436.cactusADM regressed by 6-8% percent with -Ofast on Zen and Haswell, compared to gcc 7.2

2018-04-10 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84490 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|