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Re: optimization/4991: gcc 3.x produces worse floating point code on all x86 architectures than 2.95.x
- From: Zack Weinberg <zack at codesourcery dot com>
- To: nobody at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 25 Feb 2002 02:36:01 -0000
- Subject: Re: optimization/4991: gcc 3.x produces worse floating point code on all x86 architectures than 2.95.x
- Reply-to: Zack Weinberg <zack at codesourcery dot com>
The following reply was made to PR optimization/4991; it has been noted by GNATS.
From: Zack Weinberg <zack@codesourcery.com>
To: rwhaley@cs.utk.edu
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: optimization/4991: gcc 3.x produces worse floating point code on all x86 architectures than 2.95.x
Date: Sun, 24 Feb 2002 18:33:56 -0800
A fair amount of work went into improving x86 scheduler tuning between
3.0 and 3.1-to-be. Would it be possible for you to repeat your tests
with a development snapshot?
zw