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Re: [PATCH] Fix testqi_ext_3* on x86_64 (PR tree-optimization/25554)
- From: Richard Henderson <rth at redhat dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 3 Jan 2006 15:34:41 -0800
- Subject: Re: [PATCH] Fix testqi_ext_3* on x86_64 (PR tree-optimization/25554)
- References: <20051228150711.GV22293@devserv.devel.redhat.com>
On Wed, Dec 28, 2005 at 10:07:11AM -0500, Jakub Jelinek wrote:
> PR tree-optimization/25554
> * config/i386/i386.md (testqi_ext_3): Ensure len is positive
> and pos non-negative and pos + len <= 32.
> (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
> drop pos + len < HOST_BITS_PER_WIDE_INT test.
> (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
Ok.
r~