[Bug tree-optimization/121020] [16 regression] genrecog miscompiled since r16-1624-g6deab186535a5a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121020 --- Comment #13 from Pengfei Li --- https://gcc.gnu.org/pipermail/gcc-patches/2025-July/690065.html

[Bug tree-optimization/121190] [15/16 regression] Segmentation fault when executing vectorized loops with -O3 -march=znver2 since r15-6807-g68326d5d1a593d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121190 --- Comment #2 from Pengfei Li --- https://gcc.gnu.org/pipermail/gcc-patches/2025-July/690064.html

[Bug tree-optimization/121020] [16 regression] genrecog miscompiled since r16-1624-g6deab186535a5a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121020 --- Comment #11 from Pengfei Li --- Hi Sam, Following your steps, so far I’ve identified two different issues. - One is related to my previous patch. [This bug] - The other appears to be an existing issue in GCC 15. [PR121190] I’ve just filed

[Bug tree-optimization/121190] New: [15 regression] Segmentation fault when executing vectorized loops with -O3 -march=znver2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121190 Bug ID: 121190 Summary: [15 regression] Segmentation fault when executing vectorized loops with -O3 -march=znver2 Product: gcc Version: 15.0 Status: UNCONFIRMED

[Bug tree-optimization/121020] [16 regression] genrecog miscompiled since r16-1624-g6deab186535a5a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121020 --- Comment #10 from Pengfei Li --- (In reply to Sam James from comment #9) > (In reply to Sam James from comment #8) > > FWIW, I've checked that this reproduces it in a Debian stable container too > (i.e. there's nothing special that the stage

[Bug tree-optimization/121020] [16 regression] genrecog miscompiled since r16-1624-g6deab186535a5a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121020 --- Comment #7 from Pengfei Li --- Hi Sam, sorry about the issue. I just followed your build steps (make command revised) but didn't reproduce it. I also tried valgrind but it exited with no error. I was trying on an Intel CPU with avx512. Could

[Bug rtl-optimization/120059] [16 regression] ICE when building mesa in vartrack since r16-286

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120059 --- Comment #9 from Pengfei Li --- Thanks Andrew for the quick fix. I've bootstrapped and regression tested the fix on x86_64 and AArch64. Apologies for introducing the issue (I'm new to GCC), and really appreciate Andrew's help.