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Re: optimization/8599: [3.2 regression] loop unroll bug with -march=k6-3
- From: sirl at gcc dot gnu dot org
- To: 162919 at bugs dot debian dot org, bill at taniwha dot org, dalej at apple dot com, ebotcazou at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org
- Date: 28 Nov 2002 12:29:33 -0000
- Subject: Re: optimization/8599: [3.2 regression] loop unroll bug with -march=k6-3
- Reply-to: sirl at gcc dot gnu dot org, 162919 at bugs dot debian dot org, bill at taniwha dot org, dalej at apple dot com, ebotcazou at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Synopsis: [3.2 regression] loop unroll bug with -march=k6-3
State-Changed-From-To: closed->open
State-Changed-By: sirl
State-Changed-When: Thu Nov 28 04:29:32 2002
State-Changed-Why:
Reopen, backported fix From Dale causes a regression on powerpc-linux-gnu.
The testcase gcc.c-torture/execute/961213-1.c now fails with -O2 -funroll-loops.
Presumably the backported patch relies on some other changes in the mainline.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8599