[Bug tree-optimization/33291] [4.3 Regression] a+=2; a+=2 not simplified to a+=4; with -O3 (ok with gcc-4.2.1)

--- Comment #5 from rguenth at gcc dot gnu dot org 2007-09-04 08:39 --- Subject: Bug 33291 Author: rguenth Date: Tue Sep 4 08:38:56 2007 New Revision: 128068 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=128068 Log: 2007-09-04 Richard Guenther [EMAIL PROTECTED] PR

[Bug tree-optimization/33291] [4.3 Regression] a+=2; a+=2 not simplified to a+=4; with -O3 (ok with gcc-4.2.1)

--- Comment #6 from rguenth at gcc dot gnu dot org 2007-09-04 08:41 --- Fixed. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNED

[Bug tree-optimization/33291] [4.3 Regression] a+=2; a+=2 not simplified to a+=4; with -O3 (ok with gcc-4.2.1)

--- Comment #7 from wouter dot vermaelen at scarlet dot be 2007-09-04 12:11 --- Thanks for looking into this so quickly! I confirm the problem is solved for the reduced testcase. However in my original code the dead-store is not eliminated. Do you want me to file a separate bug report

[Bug tree-optimization/33291] [4.3 Regression] a+=2; a+=2 not simplified to a+=4; with -O3 (ok with gcc-4.2.1)

--- Comment #8 from rguenth at gcc dot gnu dot org 2007-09-04 12:13 --- Yes please. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33291

[Bug tree-optimization/33291] [4.3 Regression] a+=2; a+=2 not simplified to a+=4; with -O3 (ok with gcc-4.2.1)

-- rguenth at gcc dot gnu dot org changed: What|Removed |Added Known to fail||4.3.0 Known to work||4.2.1