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[lra] patch to fix a x86 wrong code generation

From: Vladimir Makarov <vmakarov at redhat dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 24 Jun 2011 22:22:05 -0400
Subject: [lra] patch to fix a x86 wrong code generation

The following patch solves a bug which results in a wrong code generation of Maeno's algorithm of matrix multiplications on x86.

The patch was successfully bootstrapped on x86, ppc64, ia64.

2011-06-24 Vladimir Makarov <vmakarov@redhat.com>

        * lra-constraints.c (extract_loc_address_regs): Add an argument.
        Don't process the reg as an index reg on the top address level
        when it is added to the symbol.
        (extract_address_regs): Pass new argument to
        extract_loc_address_regs.

Attachment: june24-3.patch
Description: Text document

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