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[PATCH, combine]: Fix PR84157, ICE: RTL check: expected code 'reg', have 'lshiftrt'

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: Segher Boessenkool <segher at kernel dot crashing dot org>
Date: Thu, 1 Feb 2018 17:06:58 +0100
Subject: [PATCH, combine]: Fix PR84157, ICE: RTL check: expected code 'reg', have 'lshiftrt'
Authentication-results: sourceware.org; auth=none

2018-02-01  Uros Bizjak  <ubizjak@gmail.com>

    PR rtl-optimization/84157
    * combine.c (change_zero_ext): Use REG_P predicate in
    front of HARD_REGISTER_P predicate.

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

Committed to mainline SVN.

Uros.

Attachment: r.diff.txt
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