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[PATCH, i386]: Tighten checks in HARD_REGNO_CALLER_SAVE_MODE

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: Mon, 16 Jan 2017 21:03:09 +0100
Subject: [PATCH, i386]: Tighten checks in HARD_REGNO_CALLER_SAVE_MODE
Authentication-results: sourceware.org; auth=none

Hello!

In addition to mask registers, QImode and HImode fixups in
HARD_REGNO_CALLER_SAVE_MODE apply only to general registers.

2017-01-16  Uros Bizjak  <ubizjak@gmail.com>

    * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
    QImode fixups to general and mask registers only.

Bootstrapped and regression tested on x86_64-linux-gnu.

Committed to mainline SVN.

Uros.

Attachment: p.diff.txt
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