[Bug driver/93327] New: Performance degradation of povray benchmark from gcc 8.3.1 to gcc 9.2.1

Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: ming.chen1986 at gmail dot com Target Milestone: --- I'm seeing a performance degradation of povray benchmark from gcc 8.3.1 to 9.2.1 on a dual-socket Intel Xeon Platinum

[Bug tree-optimization/93327] Performance degradation of povray benchmark from gcc 8.3.1 to gcc 9.2.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93327 --- Comment #2 from Chen Ming --- Sorry for my late response. I'll confirm and update the compiler options here.

[Bug tree-optimization/93327] Performance degradation of povray benchmark from gcc 8.3.1 to gcc 9.2.1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93327 --- Comment #3 from Chen Ming --- Below is the compiler flags I extract from the output of './configure COMPILED_BY="test"' Compiler flags: -pipe -Wno-multichar -Wno-write-strings -fno-enforce-eh-specs -Wno-non-template-friend -s -O3 -ffast