https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109829
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement Last reconfirmed| |2023-05-12 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >From phiopt1: phiopt match-simplify trying: _1 != 0 ? iftmp.0_5 : x_3(D) Where _1 is defined as: _1 = signbitD.1026 (x_3(D)); and iftmp.0_5 is defined as: iftmp.0_5 = -x_3(D); This should fix it then: (simplify (cond (ne (SIGNBIT @0) zero_p@1) (neg @0) @0) (abs @0))