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Re: [PATCH] re-enable -mabi=no-altivec, use -mabi=altivec as default for powerpc-linux

From: Uros Bizjak <ubizjak at gmail dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Cc: janis187 at us dot ibm dot com
Date: Fri, 15 Feb 2008 00:20:00 +0100
Subject: Re: [PATCH] re-enable -mabi=no-altivec, use -mabi=altivec as default for powerpc-linux

Hello!

There is one regression with this patch which I plan to fix, probably
before this current patch can be checked in.  Passing generic vectors
to a function with a variable number of arguments is currently broken
for -mno-altivec -mabi=altivec, and with those options as the default
test gcc.c-torture/execute/va-arg-25.c now fails.  It fails without
the patch if -mabi=altivec is used explicitly.

Is this the same failure as PR 34621 for i686-apple-darwin? If it is, does the patch at http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00507.html fix it?

Uros.

Follow-Ups:
- Re: [PATCH] re-enable -mabi=no-altivec, use -mabi=altivec as default for powerpc-linux
  - From: Janis Johnson

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