http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
--- Comment #1 from Grzegorz Wierzowiecki gwpublic at wp dot pl 2012-04-02
10:09:15 UTC ---
Created attachment 27064
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27064
overflow_loop-O1.s - Assembly after -O1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
--- Comment #2 from Grzegorz Wierzowiecki gwpublic at wp dot pl 2012-04-02
10:09:48 UTC ---
Created attachment 27065
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27065
overflow_loop-O2.s - assembly after -O2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
--- Comment #3 from Grzegorz Wierzowiecki gwpublic at wp dot pl 2012-04-02
10:11:02 UTC ---
Created attachment 27066
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27066
compiler flags enabled by -O1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
--- Comment #4 from Grzegorz Wierzowiecki gwpublic at wp dot pl 2012-04-02
10:11:32 UTC ---
Created attachment 27067
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=27067
compiler flags enabled by -O2
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
--- Comment #5 from Jonathan Wakely redi at gcc dot gnu.org 2012-04-02
10:12:34 UTC ---
(In reply to comment #0)
following code is based on artihmetic overflow assumption (after overflow we
gen 0 number on x86 and x86_64):
Bad assumption,
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
Grzegorz Wierzowiecki gwpublic at wp dot pl changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52833
Jonathan Wakely redi at gcc dot gnu.org changed:
What|Removed |Added
Resolution|FIXED |INVALID