[Bug rtl-optimization/33450] Optimization with -O3 and -O2 producing bad code

2007-09-16 Thread ebotcazou at gcc dot gnu dot org
--- Comment #2 from ebotcazou at gcc dot gnu dot org 2007-09-17 06:46 --- > It doesn't appear in x86 Mac Os X 10.4 with "version 4.0.1 (Apple Computer, > Inc. build 5250)" Because the GCC released by Apple defaults to -fno-strict-aliasing. > Gcc "forget" code's dependancy. No, your c

[Bug rtl-optimization/33450] Optimization with -O3 and -O2 producing bad code

2007-09-16 Thread ontologiae at gmail dot com
--- Comment #1 from ontologiae at gmail dot com 2007-09-16 21:26 --- Created an attachment (id=14215) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14215&action=view) Preprocessed file that show the bug -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33450