https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109829
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Don't you need also (simplify (cond (eq (SIGNBIT @0) zero_p@1) (neg @0) @0) (neg (abs @0))) (simplify (cond (eq (SIGNBIT @0) zero_p@1) @0 (neg @0)) (abs @0)) ? Or does match.pd try to invert all the COND_EXPR conditions and swap the operands?