[Bug c/50693] New: Slightly different loop body leads to 5.5x slower performance

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693 Bug #: 50693 Summary: Slightly different loop body leads to 5.5x slower performance Classification: Unclassified Product: gcc Version: 4.6.1 Status: UNCONFIRMED

[Bug c/50693] Slightly different loop body leads to 5.5x slower performance

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693 --- Comment #1 from Alex Gaynor 2011-10-10 22:52:07 UTC --- It may be interesting to note that clang (version 2.9) does not exhibit this performance difference, but versions execute quickly.

[Bug tree-optimization/50693] Loop optimization restricted by GOTOs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693 --- Comment #21 from Alex Gaynor 2011-10-11 16:02:56 UTC --- Given the concern for preserving labels for debugging, perhaps allowing the merging of basic blocks that eliminate labels could be conditional on either a new function attribute or comm

[Bug tree-optimization/50693] Loop optimization restricted by GOTOs

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50693 --- Comment #26 from Alex Gaynor 2011-11-05 20:08:08 UTC --- Thank you very much for fixing this!

[Bug other/55527] New: Passing structures containing floats by value in calls are underoptimized

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55527 Bug #: 55527 Summary: Passing structures containing floats by value in calls are underoptimized Classification: Unclassified Product: gcc Version: 4.7.2 Sta