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Re: optimization/8613: [3.2/3.3/3.4 regression] -O2 optimization generates wrong code
- From: ebotcazou at gcc dot gnu dot org
- To: gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, mark dot odonohue at cytopia dot com dot au, nobody at gcc dot gnu dot org
- Date: 18 Feb 2003 14:35:38 -0000
- Subject: Re: optimization/8613: [3.2/3.3/3.4 regression] -O2 optimization generates wrong code
- Reply-to: ebotcazou at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, mark dot odonohue at cytopia dot com dot au, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Old Synopsis: -O3 optimisation of ++ generates wrong code
New Synopsis: [3.2/3.3/3.4 regression] -O2 optimization generates wrong code
State-Changed-From-To: open->analyzed
State-Changed-By: ebotcazou
State-Changed-When: Tue Feb 18 14:35:38 2003
State-Changed-Why:
Confirmed on all versions since gcc 3.0: simply compile with -O2 -mcpu=[456]86. Simplified C testcase attached.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8613