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Date: Wed, 11 Sep 2002 02:16:00 -0000
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To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
From: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
Subject: Re: c/7751: iconv.c:434: Internal compiler error in extract_insn,
 at recog.c:2148
Reply-To: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
X-SW-Source: 2002-09/txt/msg00184.txt.bz2
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The following reply was made to PR c/7751; it has been noted by GNATS.

From: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
To: gcc-gnats@gcc.gnu.org, <gcc-prs@gcc.gnu.org>, <gcc-bugs@gcc.gnu.org>
Cc:  
Subject: Re: c/7751: iconv.c:434: Internal compiler error in extract_insn,
 at recog.c:2148
Date: Wed, 11 Sep 2002 11:08:00 +0200 (CEST)

 [ I am thus forwarding a description by
   Steve Kargl <sgk@troutmask.apl.washington.edu>, by permisson of Steve. ]
 
 My ICE [on FreeBSD-CURRENT] is:
 
 gcc -I. -I. -I../include -I./../include -I/usr/local/include \
 -march=athlon -O -pipe -c ./iconv.c  -fPIC -DPIC -o iconv.lo
 In file included from gbk.h:64,
                  from converters.h:202,
                  from iconv.c:67:
 gbkext1.h: In function `gbkext1_mbtowc':
 gbkext1.h:852: unrecognizable insn:
 (insn 157 155 159 (set (reg:QI 79)
         (const_int 128 [0x80])) -1 (nil)
     (nil))
 gbkext1.h:852: Internal compiler error in extract_insn, at recog.c:2150
 
 I've tried the following combinations of CFLAGS with
 libiconv 1.8.  Hopefully, it helps isolate the problem.
 
 configure CFLAGS="-march=athlon -O0"  <--  No ICE.
 configure CFLAGS="-march=athlon -O1"  <--  ICE.
 configure CFLAGS="-march=athlon -O2"  <--  ICE.
 
 configure CFLAGS="-O0"  <--  No ICE.
 configure CFLAGS="-O1"  <--  No ICE.
 configure CFLAGS="-O2"  <--  No ICE.
 
 configure CFLAGS="-mcpu=athlon -O0"  <--  No ICE.
 configure CFLAGS="-mcpu=athlon -O1"  <--  No ICE.
 configure CFLAGS="-mcpu=athlon -O2"  <--  No ICE.
 
 troutmask:kargl[264] gcc --version
 gcc (GCC) 3.2.1 [FreeBSD] 20020901 (prerelease)
 Copyright (C) 2002 Free Software Foundation, Inc.
 
 -- 
 Steve