From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id BF0E43858284; Sun, 23 Apr 2023 01:57:39 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BF0E43858284
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1682215059;
	bh=XXcwK5eQWTg3VScDfobdKm5c7+tYOGrlh2BIG4rxi+o=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=yJvBwfs+zCwXh/t/8Zi7nAY31r30XeNQapRP1Yr8PthjDi+qTlMq5m58Mj+R7VGvR
	 49SaF4aqNKZamaIt/WP20bj2tOOdMivcO15APSGV5GTVhpz0vRJgRyaO978vTlZEM1
	 5S6k4WfktfsNQpHu3e67gT/9J/PRjonBQNXGyZgI=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/108707] suboptimal allocation with same memory
 op for many different instructions.
Date: Sun, 23 Apr 2023 01:57:27 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: missed-optimization, ra
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-108707-4-HWWDWGeGs3@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-108707-4@http.gcc.gnu.org/bugzilla/>
References: <bug-108707-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108707

--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:

https://gcc.gnu.org/g:0368d169492017cfab5622d38b15be94154d458c

commit r14-172-g0368d169492017cfab5622d38b15be94154d458c
Author: liuhongt <hongtao.liu@intel.com>
Date:   Wed Feb 8 12:42:27 2023 +0800

    Use NO_REGS in cost calculation when the preferred register class are n=
ot
known yet.

    gcc/ChangeLog:

            PR rtl-optimization/108707
            * ira-costs.cc (scan_one_insn): Use NO_REGS instead of
            GENERAL_REGS when preferred reg_class is not known.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr108707.c: New test.=