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Re: Recent 3.2 branch commits cause x86 -fPIC regressions

From: Richard Henderson <rth at redhat dot com>
To: Franz Sirl <Franz dot Sirl at lauterbach dot com>, gcc-patches at gcc dot gnu dot org
Date: Tue, 17 Sep 2002 11:03:41 -0700
Subject: Re: Recent 3.2 branch commits cause x86 -fPIC regressions
References: <5.1.1.5.2.20020917151802.01b56110@mail.lauterbach.com> <20020917234155.G14457@bubble.sa.bigpond.net.au> <20020918001552.H14457@bubble.sa.bigpond.net.au>

On Wed, Sep 18, 2002 at 12:15:52AM +0930, Alan Modra wrote:
> Oh ho!  Looks like PR opt/7515 fix is the culprit.

Not really.  It looks like a latent bug.

> $ gcc/xgcc -Bgcc/ -fPIC -O3 -fomit-frame-pointer 20020406-1.c
> $ ./a.out 
> calling DUPFFexgcd on degrees 1 and 2
> DUPFFexgcd called on degrees 1 and 2
> DUPFFexgcd called on degrees 1 and 1
> Aborted

Note, however, that it passes without -fomit-frame-pointer.  More, it
fails at -O2 with -fomit-frame-pointer, when automatic inlining isn't
even in effect.

I'll still look at it though.

r~

References:
- Recent 3.2 branch commits cause x86 -fPIC regressions
  - From: Franz Sirl
- Re: Recent 3.2 branch commits cause x86 -fPIC regressions
  - From: Alan Modra
- Re: Recent 3.2 branch commits cause x86 -fPIC regressions
  - From: Alan Modra

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