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Date: Sat, 18 May 2002 02:56:00 -0000
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To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
From: Andreas Jaeger <aj@suse.de>
Subject: Re: target/6714: x86-64 fails to build
 libstdc++-v3/libmath/signbitf.c
Reply-To: Andreas Jaeger <aj@suse.de>
X-SW-Source: 2002-05/txt/msg00541.txt.bz2
List-Id: <gcc-prs.sourceware.org>

The following reply was made to PR target/6714; it has been noted by GNATS.

From: Andreas Jaeger <aj@suse.de>
To: thorpej@wasabisystems.com
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: target/6714: x86-64 fails to build
 libstdc++-v3/libmath/signbitf.c
Date: Sat, 18 May 2002 11:50:35 +0200

 thorpej@wasabisystems.com writes:
 
 >>Number:         6714
 >>Category:       target
 >>Synopsis:       x86-64 fails to build libstdc++-v3/libmath/signbitf.c
 >>Confidential:   no
 >>Severity:       serious
 >>Priority:       medium
 >>Responsible:    unassigned
 >>State:          open
 >>Class:          sw-bug
 >>Submitter-Id:   net
 >>Arrival-Date:   Sat May 18 01:56:00 PDT 2002
 >>Closed-Date:
 >>Last-Modified:
 >>Originator:     Jason R Thorpe
 >>Release:        GNU C version 3.2 20020517 (experimental) (x86_64-unknown-netbsd)
 >>Organization:
 >>Environment:
 > i386-netbsdelf host, x86_64-netbsd target
 >>Description:
 > Building signbitf.c results in invalid asm code, which gas
 > chokes on:
 > /var/tmp//ccJu3znb.s: Assembler messages:
 > /var/tmp//ccJu3znb.s:25: Error: suffix or operands invalid for `mov'
 >
 > The code generated for this function is:
 > __signbitf:
 >         movl    %xmm0, %eax
 >         andl    $-2147483648, %eax
 >         ret
 >>How-To-Repeat:
 > Attempt to compile the attached file with the x86_64-netbsd
 > compiler. I believe the x86_64-linux compiler will also fail
 > the same way.
 
 FYI: It does not fail for me on Linux - with today's CVS (around 1 am
 UTC checked out).
 
 But I'll try to check later again,
 Andreas
 -- 
  Andreas Jaeger
   SuSE Labs aj@suse.de
    private aj@arthur.inka.de
     http://www.suse.de/~aj