c/5332: Internal compiler error in gen_reg_rtx, at emit-rtl.c:542

[uhinze@getrag-ford.com]

>Number:         5332
>Category:       c
>Synopsis:       Internal compiler error in gen_reg_rtx, at emit-rtl.c:542
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jan 09 03:16:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     U.Hinze
>Release:        3.0.3
>Organization:
>Environment:
SUN Blade 1000 with Solaris 8
>Description:
f.c: In function `f':
f.c:37: Internal compiler error in gen_reg_rtx, at emit-rtl.c:542
>How-To-Repeat:
gcc -O2 -mcpu=ultrasparc /tmp/f.i
or
gcc -O3 -mcpu=ultrasparc /tmp/f.i

contents of /tmp/f.i:
# 1 "f.c"
typedef struct a
{
        double x, y;
} V;






int w( double, double, double, double, double, double, double, double );

void f( V *vp, V *vpp, V *vpn, V *vq, V *vqp, V *vqn, double *x, double *y )
{
int a, b, status;


        a = ( ( ((vpp->x)-(vpn->x))*((vpp->x)-(vpn->x)) + ((vpp->y)-(vpn->y))*((vpp->y)-(vpn->y)) ) <= 1.0E-6*1.0E-6*(( (vpp->x)*(vpp->x) + (vpp->y)*(vpp->y) ) + ( (vpn->x)*(vpn->x) + (vpn->y)*(vpn->y) ) ) );
        b = ( ( ((vqp->x)-(vqn->x))*((vqp->x)-(vqn->x)) + ((vqp->y)-(vqn->y))*((vqp->y)-(vqn->y)) ) <= 1.0E-6*1.0E-6*(( (vqp->x)*(vqp->x) + (vqp->y)*(vqp->y) ) + ( (vqn->x)*(vqn->x) + (vqn->y)*(vqn->y) ) ) );

        if ( a && b )
        {
                *x = 1;
        }
        else if ( b )
        {
                status = w( vq->x, vq->y, vpp->x, vpp->y, 0.0, 0.0, vpn->x, vpn->y );

                switch ( status )
                {
                        default:
                                break;
                }
        }

        return;
}
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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