[Bug tree-optimization/55559] [4.6/4.7/4.8 Regression] Marshalling double through union with inlines, incorrect behavior with -O2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 --- Comment #8 from rguenther at suse dot de rguenther at suse dot de 2012-12-04 09:02:00 UTC --- On Mon, 3 Dec 2012, mpreda at gmail dot com wrote: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 --- Comment #7 from Mihai

[Bug tree-optimization/55559] [4.6/4.7/4.8 Regression] Marshalling double through union with inlines, incorrect behavior with -O2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|NEW

[Bug tree-optimization/55559] [4.6/4.7/4.8 Regression] Marshalling double through union with inlines, incorrect behavior with -O2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords|wrong-code |

[Bug tree-optimization/55559] [4.6/4.7/4.8 Regression] Marshalling double through union with inlines, incorrect behavior with -O2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 --- Comment #6 from Paolo Carlini paolo.carlini at oracle dot com 2012-12-03 12:51:45 UTC --- I knew that a PR using marshalling couldn't be right ;)

[Bug tree-optimization/55559] [4.6/4.7/4.8 Regression] Marshalling double through union with inlines, incorrect behavior with -O2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9 --- Comment #7 from Mihai Preda mpreda at gmail dot com 2012-12-03 22:13:03 UTC --- Thanks, I didn't realize that (unsigned)-1.0 is undefined. For the behavior I was expecting it's enough to use an intermediary cast through int, e.g.