[Bug rtl-optimization/79357] Doubling a single complex float gives inefficient code

2017-02-12 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79357 --- Comment #3 from Marc Glisse --- Note that we do not generate better code for typedef float vec __attribute__((vector_size(8))); vec g(vec x){return 2*x;} (we don't consider larger vector modes when lowering/expanding vector operations, there

[Bug rtl-optimization/79357] Doubling a single complex float gives inefficient code

2017-02-06 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79357 Richard Biener changed: What|Removed |Added Target||x86_64-*-* Status|UNCONFIRM