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Re: optimization/9962: Scheduling bug on i386
- 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, ksakamot at lsi dot melco dot co dot jp, nobody at gcc dot gnu dot org
- Date: 5 Mar 2003 07:35:56 -0000
- Subject: Re: optimization/9962: Scheduling bug on i386
- 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, ksakamot at lsi dot melco dot co dot jp, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Synopsis: Scheduling bug on i386
State-Changed-From-To: open->closed
State-Changed-By: ebotcazou
State-Changed-When: Wed Mar 5 07:35:56 2003
State-Changed-Why:
Not a bug. Your code breaks the ISO C aliasing rules. GCC
automatically turns on -fstrict-aliasing at -O2 so you need
to fix your code or compile it with -fno-strict-aliasing.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=9962