From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28181 invoked by alias); 26 Feb 2014 19:32:50 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 28117 invoked by uid 48); 26 Feb 2014 19:32:47 -0000 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/60336] empty struct value is passed differently in C and C++ Date: Wed, 26 Feb 2014 19:32:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 4.8.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: NEW 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: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-02/txt/msg02637.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60336 --- Comment #11 from H.J. Lu --- This patch may be better: diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 00773d8..426146a 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -6842,7 +6842,7 @@ examine_argument (enum machine_mode mode, const_tree type, int in_return, case X86_64_MEMORY_CLASS: gcc_unreachable (); } - return 1; + return *int_nregs || *sse_nregs; } /* Construct container for the argument used by GCC interface. See