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Re: can't build x86-32 libc on x86-64 with mainline binutils

From: Nick Clifton <nickc at redhat dot com>
To: Alexandre Oliva <aoliva at redhat dot com>
Cc: "H. J. Lu" <hjl at lucon dot org>, libc-alpha at sources dot redhat dot com, binutils at sources dot redhat dot com
Date: Fri, 03 Mar 2006 10:06:48 +0000
Subject: Re: can't build x86-32 libc on x86-64 with mainline binutils
References: <or4q2gsou6.fsf@free.oliva.athome.lsd.ic.unicamp.br> <20060302183313.GB29439@lucon.org> <orzmk8r8jl.fsf@free.oliva.athome.lsd.ic.unicamp.br>

Hi Alex,

Anyhow, here's the testcase:

.tfloat 0.3465735902799726547086160

Ah ha - difficult to reproduce but yes I now get:

  foo.s: Assembler messages:
  foo.s:1: Fatal error: failed sanity check

Note - this bug does not seem to have stopped me from building gcc with the mainline sources, but then I am not configuring with glibc in the same way as you and there are probably some other differences in our build environments as well.

I assume however that this must be a gcc bug - ie it has miscompiled gas. Have you investigated further yet ?

Cheers
  Nick

References:
- can't build x86-32 libc on x86-64 with mainline binutils
  - From: Alexandre Oliva
- Re: can't build x86-32 libc on x86-64 with mainline binutils
  - From: H. J. Lu
- Re: can't build x86-32 libc on x86-64 with mainline binutils
  - From: Alexandre Oliva

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