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From: gcc@tbp.dyndns.org
To: gcc-gnats@gcc.gnu.org
Cc: gcc@tbp.dyndns.org
Subject: optimization/7460: gcc/g++ 3.1.1 20020714/20020718 (cygwin) segfault on __builtin_ia32_femms()
Date: Wed, 31 Jul 2002 15:26:00 -0000 [thread overview]
Message-ID: <20020731222120.6687.qmail@sources.redhat.com> (raw)
>Number: 7460
>Category: optimization
>Synopsis: gcc/g++ 3.1.1 20020714/20020718 (cygwin) segfault on __builtin_ia32_femms()
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-legal-code
>Submitter-Id: net
>Arrival-Date: Wed Jul 31 15:26:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: tbp
>Release: gcc version 3.1.1 20020718 (prerelease)
>Organization:
>Environment:
w2k/cygwin on an athlon.
Reading specs from /usr/lib/gcc-lib/i686-pc-cygwin/3.1.1/specs
Configured with: /netrel/src/gcc-3.1.1-4/configure --enable-languages=c,c++,f77,java --enable-libgcj --enable-threads=po
six --with-system-zlib --enable-nls --without-included-gettext --enable-interpreter --disable-sjlj-exceptions --disable-
version-specific-runtime-libs --enable-shared --build=i686-pc-linux --host=i686-pc-cygwin --target=i686-pc-cygwin --enab
le-haifa --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc --libdir=/usr/lib --includedir=/nonexistent/include --libexe
cdir=/usr/sbin
Thread model: posix
gcc version 3.1.1 20020718 (prerelease)
>Description:
--> gcc -O2 -march=athlon bug.c -o bug.exe
bug.c: In function `main':
bug.c:5: internal error: Segmentation fault
Please submit a full bug report,
>How-To-Repeat:
conjunction of __builtin_ia32_femms() and -Ox (x>1) when compiling for -march=athlon triggers an internal error.
test case:
int main(int argc, char *argv[]) {
__builtin_ia32_femms();
exit(0);
}
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
next reply other threads:[~2002-07-31 22:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-31 15:26 gcc [this message]
2002-07-31 16:56 Graham Stott
2002-08-01 16:46 Richard Henderson
2002-12-06 13:38 bangerth
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