[Bug tree-optimization/95760] ivopts with loop variables

2020-06-22 Thread wilson at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95760 --- Comment #2 from Jim Wilson --- I took another look, and it turns out that the should_duplicate_loop_header_p for size/speed is not the only issue. There is also an issue in tree-ssa-loop-ivopts.c when computing iv costs. With speed, the +4

[Bug tree-optimization/95760] ivopts with loop variables

2020-06-20 Thread wilson at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95760 Jim Wilson changed: What|Removed |Added CC||wilson at gcc dot gnu.org --- Comment #1 fr