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RFA: patch to fix PR19398

From: Vladimir Makarov <vmakarov at redhat dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Cc: Uros Bizjak <ubizjak at gmail dot com>
Date: Sun, 18 Nov 2012 20:45:02 -0500
Subject: RFA: patch to fix PR19398

The following patch fixes

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19398

Uros, there is i386.md part for which I need an approval. Without this change, GCC will still generate the same code even if LRA uses an alternative with 'm' constraint.

2012-11-18 Vladimir Makarov <vmakarov@redhat.com>

        PR target/19398
        * lra-constraints.c (process_alt_operands): Discourage reloads
        through secodnary memory.
        * config/i386/i386.md (fix_trunc?f?i_sse): Remove peephole2
        patterns.

Attachment: pr19398.patch
Description: Text document

Follow-Ups:
- Re: RFA: patch to fix PR19398
  - From: Uros Bizjak

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