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Re: PING (expand^3, tree-ssa)

From: Michael Meissner <meissner at linux dot vnet dot ibm dot com>
To: Paolo Bonzini <bonzini at gnu dot org>
Cc: Andrew Pinski <pinskia at gmail dot com>, Richard Guenther <rguenther at suse dot de>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Mon, 29 Jun 2009 14:18:38 -0400
Subject: Re: PING (expand^3, tree-ssa)
References: <h23fmh$c8j$1@ger.gmane.org> <84fc9c000906261522ye54b939pbe9f114ee997810a@mail.gmail.com> <de8d50360906281901g5f7d2e91m243d38ec125be2b6@mail.gmail.com> <4A485A98.7020505@gnu.org>

On Mon, Jun 29, 2009 at 08:09:28AM +0200, Paolo Bonzini wrote:
> 
> > One of the above patches causes powerpc-*-* to fail to bootstrap with
> > an infinite recursive in emit_store_flag between "greater than" and
> > "less than and equal" expansion with DImode in 32bits while compiling
> > libgcc.
> 
> Command line?

/home/meissner/fsf-build-ppc64/trunk-top/./gcc/xgcc -B/home/meissner/fsf-build-ppc64/trunk-top/./gcc/ -B/home/meissner/fsf-install-ppc64/trunk-top/powerpc64-unknown-linux-gnu/bin/ -B/home/meissner/fsf-install-ppc64/trunk-top/powerpc64-unknown-linux-gnu/lib/ -isystem /home/meissner/fsf-install-ppc64/trunk-top/powerpc64-unknown-linux-gnu/include -isystem /home/meissner/fsf-install-ppc64/trunk-top/powerpc64-unknown-linux-gnu/sys-include    -g -O2 -m32 -fPIC -mstrict-align -O2  -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -mno-minimal-toc -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -mlong-double-128 -I. -I. -I../../.././gcc -I/home/meissner/fsf-src/trunk-top/libgcc -I/home/meissner/fsf-src/trunk-top/libgcc/. -I/home/meissner/fsf-src/trunk-top/libgcc/../gcc -I/home/meissner/fsf-src/trunk-top/libgcc/../include -I/home/meissner/fsf-src/trunk-top/libgcc/../libdecnumber/dpd -I/home/meissner/fsf-src/trunk-top/libgcc/../libdecnumber -DHAVE_CC_TLS -o _negvsi2.o -MT _negvsi2.o -MD -MP -MF _negvsi2.dep -DL_negvsi2 -c /home/meissner/fsf-src/trunk-top/libgcc/../gcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS

I'll attach the _negvsi2.i file.

-- 
Michael Meissner, IBM
4 Technology Place Drive, MS 2203A, Westford, MA, 01886, USA
meissner@linux.vnet.ibm.com

Attachment: _negvsi2.i
Description: Text document

References:
- PING (expand^3, tree-ssa)
  - From: Paolo Bonzini
- Re: PING (expand^3, tree-ssa)
  - From: Richard Guenther
- Re: PING (expand^3, tree-ssa)
  - From: Andrew Pinski
- Re: PING (expand^3, tree-ssa)
  - From: Paolo Bonzini

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