[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[law at redhat dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348

Jeffrey A. Law  changed:

   What|Removed |Added

 CC||law at redhat dot com
 Resolution|--- |FIXED
 Status|NEW |RESOLVED

--- Comment #5 from Jeffrey A. Law  ---
Resolved at some point in the past.  Not worth the trouble to bisect.

[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[dimhen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348

Dmitry G. Dyachenko  changed:

   What|Removed |Added

 CC||dimhen at gmail dot com

--- Comment #4 from Dmitry G. Dyachenko  ---
x86_64 r10-7080 for me produce identical code
-- c#0 with -O2
-- c#1 with -O

[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348
Bug 15348 depends on bug 15459, which changed state.

Bug 15459 Summary: [meta-bug] there should be a tree combiner like the rtl one
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=15459

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348

Bug 15348 depends on bug 15357, which changed state.

Bug 15357 Summary: [tree-ssa] combing if statements
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15357

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

[Bug tree-optimization/15348] [tree-ssa] Convert (x < 0) || (y < 0) into (x | y) < 0.

[steven at gcc dot gnu dot org]

--- Additional Comments From steven at gcc dot gnu dot org  2005-09-30 
22:29 ---
For AMD64, the functions from the first test case don't produce the 
same code either, so combine is not catching this either. 
 

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15348