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/* Marginally test fprem/fprem1/fsincos; these are hard to check
otherwise since compilers hardly ever generate them. */
#include <stdio.h>
double do_fprem ( void )
{
double res = 0.0;
__asm__ __volatile__(
"ffree %%st(0)\n\t"
"ffree %%st(1)\n\t"
"fldpi\n\t"
"fldln2\n\t"
"fprem\n\t"
"fstpl 0(%0)"
: : "r"(&res)
);
return res;
}
double do_fprem1 ( void )
{
double res = 0.0;
__asm__ __volatile__(
"ffree %%st(0)\n\t"
"ffree %%st(1)\n\t"
"fldpi\n\t"
"fldln2\n\t"
"fprem1\n\t"
"fstpl 0(%0)"
: : "r"(&res)
);
return res;
}
double do_fsincos ( void )
{
double res = 0.0;
__asm__ __volatile__(
"fldln2\n\t"
"fsincos\n\t"
"fsub %%st(1)\n\t"
"fstpl 0(%0)"
: : "r"(&res)
);
return res;
}
int main ( void )
{
__asm__ __volatile__("finit");
printf("fprem %f\n", do_fprem());
printf("fprem1 %f\n", do_fprem1());
printf("fsincos %f\n", do_fsincos());
return 0;
}
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