[Bug middle-end/81916] expansion of rint/nearbyint can simplified under -fno-signed-zeros

2024-04-06 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81916 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement CC|

[Bug middle-end/81916] expansion of rint/nearbyint can simplified under -fno-signed-zeros

2017-08-22 Thread amonakov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81916 --- Comment #2 from Alexander Monakov --- I've opened this PR for the -fno-signed-zeros aspect specifically, which the i386 backend doesn't exploit at all: it expands to copysign(abs(x)+1.0p52-1.0p52, x). I think handling these expansions in a

[Bug middle-end/81916] expansion of rint/nearbyint can simplified under -fno-signed-zeros

2017-08-22 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81916 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|