optimization/496: Intennal compiler error in instantiate_virtual_regs_1 using mno-ieee-fp or -mno-move on FreeBSD 4.1-stable

[stephen_roome at yahoo dot com]

>Number:         496
>Category:       optimization
>Synopsis:       Intennal compiler error in instantiate_virtual_regs_1 using mno-ieee-fp or -mno-move on FreeBSD 4.1-stable
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    unassigned
>State:          open
>Class:          ice-on-legal-code
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 30 05:56:00 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Steve Roome <stephen_roome@yahoo.com>
>Release:        gcc version 2.95.2 19991024 (release)
>Organization:
>Environment:
FreeBSD 4.1-stable cvsupped as of August 23 2000
>Description:
steve@moose 24 0 % make
gcc -O3 -mcpu=pentiumpro -march=pentiumpro -Wall -Werror -I/usr/X11R6/include -ffast-math -mfancy-math-387 -mno-ieee-fp -mno-move -fomit-frame-pointer -c main.c -o main.o
main.c: In function `main':
main.c:206: Internal compiler error in `instantiate_virtual_regs_1', at function.c:3865
Please submit a full bug report.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
*** Error code 1

Stop in /usr/home/steve/blobs.
steve@moose 26 0 % gcc -v                                                                                    ~/blobs/  1:42pm
Using builtin specs.
gcc version 2.95.2 19991024 (release)
You have new mail.
steve@moose 27 0 %

function.c has this FreeBSD cvs id : (if this helps)
/* $FreeBSD: src/contrib/gcc/function.c,v 1.6.2.1 2000/07/04 06:01:24 obrien Exp $ */
>How-To-Repeat:
try compiling the same code.. maybe it's freebsd specific,
but I don't have another x86 machine to test this on which
doesn't have FreeBSD on it =(
[I've supplied the main.c with the header files included in
it, so that it's compilable without much extra.]
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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Content-Disposition: attachment; filename="main.c"

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