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optimization/9319: slower code generated for simple loop on linux
- From: amnon_cohen at yahoo dot com
- To: gcc-gnats at gcc dot gnu dot org
- Date: 15 Jan 2003 10:10:56 -0000
- Subject: optimization/9319: slower code generated for simple loop on linux
- Reply-to: amnon_cohen at yahoo dot com
>Number: 9319
>Category: optimization
>Synopsis: slower code generated for simple loop on linux
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: pessimizes-code
>Submitter-Id: net
>Arrival-Date: Wed Jan 15 02:16:02 PST 2003
>Closed-Date:
>Last-Modified:
>Originator: amnon_cohen@yahoo.com
>Release: gcc 3.2.1
>Organization:
>Environment:
Red Hat Linux 2.3.9-13
>Description:
For the simple loop attached gcc3.2.1 -O3 produces code
which runs 40% slower than code produced by gcc 3.0
>How-To-Repeat:
gcc -c -O3 loop3.c
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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