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From: "irar at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/48252] ARM neon: problem with consecutive vzip, vuzp and vtrn
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48252

--- Comment #6 from irar at gcc dot gnu.org 2011-05-05 07:35:03 UTC ---
Author: irar
Date: Thu May  5 07:34:59 2011
New Revision: 173417

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173417
Log:

    Backport from mainline:
    2011-04-18  Ulrich Weigand  <ulrich.weigand@linaro.org>
            Ira Rosen  <ira.rosen@linaro.org>

    PR target/48252
    * config/arm/arm.c (neon_emit_pair_result_insn): Swap arguments
    to match neon_vzip/vuzp/vtrn_internal.
    * config/arm/neon.md (neon_vtrn<mode>_internal): Make both
    outputs explicitly dependent on both inputs.
    (neon_vzip<mode>_internal, neon_vuzp<mode>_internal): Likewise.


Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/arm/pr48252.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/config/arm/arm.c
    branches/gcc-4_5-branch/gcc/config/arm/neon.md
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog