Subversion Repositories openrisc

/* Testing save/restore of floating point caller-save registers, on ia64

   this resulted in bad code.  Not all targets will use caller-save regs.  */

/* { dg-do run } */

/* { dg-options "-O2" } */

/* { dg-options "-O2 -minline-float-divide-max-throughput" { target ia64-*-* } } */

/* Testing save/restore of floating point caller-save registers on ia64.  */

extern void abort (void);

double foo(double a, double b, double c)

{

        return (a+b+c);

}

main ()

{

        double  f1, f2, f3, f4, f5, f6, f7, f8, f9,f10;

        double f11,f12,f13,f14,f15,f16,f17,f18,f19,f20;

        double f21,f22,f23,f24,f25,f26,f27,f28,f29,f30;

        double x;

        int i,j,k;

        f1  = 0.1; f2  = 0.2; f3  = 0.3; f4  = 0.4; f5  = 0.5;

        f6  = 0.6; f7  = 0.7; f8  = 0.8; f9  = 0.9; f10 = 1.0;

        f11 = 1.1; f12 = 1.2; f13 = 1.3; f14 = 1.4; f15 = 1.5;

        f16 = 1.6; f17 = 1.7; f18 = 1.8; f19 = 1.9; f20 = 2.0;

        f21 = 2.1; f22 = 2.2; f23 = 2.3; f24 = 2.4; f25 = 2.5;

        f26 = 2.6; f27 = 2.7; f28 = 2.8; f29 = 2.9; f30 = 3.0;

        i = (int) foo(1.0,1.0,1.0);

        while (i > 0) {

                f1  = f2  / f3  * f30;

                f2  = f3  / f4  * f30;

                f3  = f4  / f5  * f30;

                f4  = f5  / f6  * f30;

                f5  = f6  / f7  * f30;

                f6  = f7  / f8  * f30;

                f7  = f8  / f9  * f30;

                f8  = f9  / f10 * f30;

                f9  = f10 / f11 * f30;

                f10 = f11 / f12 * f30;

                f11 = f12 / f13 * f30;

                f12 = f13 / f14 * f25;

                f13 = f14 / f15 * f30;

                f14 = f15 / f16 * f30;

                f15 = f16 / f17 * f30;

                f16 = f17 / f18 * f30;

                f17 = f18 / f19 * f30;

                f18 = f19 / f20 * f30;

                f19 = f20 / f21 * f30;

                f20 = f21 / f22 * f20;

                f21 = f22 / f23 * f30;

                f22 = f23 / f24 * f30;

                f23 = f24 / f25 * f30;

                f24 = f25 / f26 * f30;

                f25 = f26 / f27 * f30;

                f26 = f27 / f28 * f30;

                f27 = f28 / f29 * f30;

                f28 = f29 / f30 * f30;

                f29 = f30 / f1  * f30;

                f30 = f1  / f2  * f30;

                x = foo(f1,f2,f3);

                i = i - 1;

        }

        x = (f1+f2+f3+f4+f5+f6+f7+f8+f9+f10) *

            (f11+f12+f13+f14+f15+f16+f17+f18+f19+f20) *

            (f21+f22+f23+f24+f25+f26+f27+f28+f29+f30);

        /* Exact value is not needed, on IA64 it is massively off. */

        if (x < 19503.0 || x > 19504.0) abort();

        return 0;

}