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patch to fix PR65302

From: Vladimir Makarov <vmakarov at redhat dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Fri, 27 Feb 2015 09:15:44 -0500
Subject: patch to fix PR65302
Authentication-results: sourceware.org; auth=none

The following patch fixes PR65302

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65032

LRA rematerialization sub-pass did not update info about scratch pseudosin rematerialized insns and this resulted in skipping reversetransformation of scratch pseudos into scratches in such insns at theLRA end.


The patch was bootstrapped and tested on x86-64.

Committed as rev. 221062.

2015-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65032
        * lra-remat.c (update_scratch_ops): New.
        (do_remat): Call it.
        * lra.c (lra_register_new_scratch_op): New. Take code from ...
        (remove_scratches): ... here.
        * lra-int.h (lra_register_new_scratch_op): New prototype.

2015-02-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/65032
        * g++.dg/pr65032.C: New.

Attachment: pr65302.patch
Description: Text document

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