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[PATCH, i386]: Merge *vec_extract<PEXTR_MODE12:mode>_zext patterns

From: Uros Bizjak <ubizjak at gmail dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Date: Sun, 27 Sep 2015 20:07:47 +0200
Subject: [PATCH, i386]: Merge *vec_extract<PEXTR_MODE12:mode>_zext patterns
Authentication-results: sourceware.org; auth=none

Hello!

Now that PR 57195 (Mode attributes with specific mode iterator can not
be used as mode iterators in *.md files) [1] is fixed, we can merge
*vec_extract<PEXTR_MODE12:mode>_zext patterns.

2015-09-27  Uros Bizjak  <ubizjak@gmail.com>

    * config/i386/predicates.md (register_sse4nonimm_operand): New
    predicate.
    * config/i386/sse.md (PEXTR_MODE12): New mode iterator.
    (*vec_extract<mode>): Use PEXTR_MODE12 instead of VI12_128 mode.
    Use register_sse4nonimm_operand as operand 0 predicate.
    (*vec_extractv8hi_sse2): Remove insn pattern.
    (*vec_extract<PEXTR_MODE12:mode>_zext): Merge insn pattern from
    *vec_extractv8hi_zext and *vec_extractv16qi_zext patterns.

Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainline SVN.

[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57195

Uros.

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