[Bug tree-optimization/98775] missing optimization opportunity on nbody

2021-01-21 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98775 --- Comment #2 from Richard Biener --- A quick check comparing GCC 10 to GCC 11 shows an improvement from 3.5s to 2.7s on a Zen2 machine (with -march=native).

[Bug tree-optimization/98775] missing optimization opportunity on nbody

2021-01-20 Thread vanyacpp at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98775 --- Comment #1 from Ivan Sorokin --- Created attachment 50016 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50016&action=edit nbody-unrolled.cpp