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[PATCH, i386]: Add *vec_extractv16qi_zext insn pattern

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>
Cc: Jakub Jelinek <jakub at redhat dot com>
Date: Fri, 2 Aug 2019 17:49:13 +0200
Subject: [PATCH, i386]: Add *vec_extractv16qi_zext insn pattern

As suggested in PR 91201 to avoid zero-extension to HImode for SSE4.1 targets.

2019-08-02  Uroš Bizjak  <ubizjak@gmail.com>

    PR target/91201
    * config/i386/sse.md (*vec_extractv16qi_zext): New insn pattern.

testsuite/ChangeLog:

2019-08-02  Uroš Bizjak  <ubizjak@gmail.com>

    PR target/91201
    * gcc.target/i386/sse4_1-pr91201.c: New test.

Bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.

Committed to mainlin SVN.

Uros.

Attachment: p.diff.txt
Description: Text document

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