Bug#330595: Miscompilation with -fomit-frame-pointer -O3 -funroll-all-loops

To: Camm Maguire <camm@enhanced.com>, 330595@bugs.debian.org
Cc: control@bugs.debian.org
Subject: Bug#330595: Miscompilation with -fomit-frame-pointer -O3 -funroll-all-loops
From: Matthias Klose <doko@cs.tu-berlin.de>
Date: Wed, 5 Oct 2005 23:17:32 +0200
Message-id: <[🔎] 17220.17132.169217.776578@gargle.gargle.HOWL>
Reply-to: Matthias Klose <doko@cs.tu-berlin.de>, 330595@bugs.debian.org
In-reply-to: <E1EKiY2-0003gX-Vl@intech19.enhanced.com>
References: <E1EKiY2-0003gX-Vl@intech19.enhanced.com>

severity 330595 normal
thanks

Camm Maguire writes:
> Package: gcc-4.0
> Version: 4.0.1-5
> Severity: serious
> 
> The following preprocessed file is miscompiled when compiled as follows:
> 
> + /usr/bin/gcc -o ATL_F77wrap_ctrsv.o -c -DL2SIZE=4194304 -I/fix/t1/camm/debian/atlas/atlas3-3.6.0/include -I/fix/t1/camm/debian/atlas/atlas3-3.6.0/include/Linux_base_shared -I/fix/t1/camm/debian/atlas/atlas3-3.6.0/include/contrib -DAdd__ -DStringSunStyle -DATL_OS_Linux -DATL_GAS_x8632 -DSCPLX ../f77wrap/ATL_F77wrap_trsv.c -fPIC -fomit-frame-pointer -O3 -funroll-all-loops

workaround, no feedback, non standard options, unreproducible, maybe I
should just close it ...

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- Bug#330595: Miscompilation with -fomit-frame-pointer -O3 -funroll-all-loops
  - From: Camm Maguire <camm@enhanced.com>

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