Subversion Repositories openrisc_2011-10-31

#include <stdio.h>

#include <math.h>

#include <stdlib.h>

/* marks FPU stack as empty */

void empty_fpu_stack()

{

  asm ("ffree %st(1) \n\t"

       "ffree %st(2) \n\t"

       "ffree %st(3) \n\t"

       "ffree %st(4) \n\t"

       "ffree %st(5) \n\t"

       "ffree %st(6) \n\t"

       "ffree %st(7)");

}

/* tests floating point arithmatic */

void test_arith_floats()

{

}

int main()

{

  empty_fpu_stack();    /* BEGIN I387-FLOAT-REVERSE */

  asm ("fld1");   /* test st0 register */

  asm ("fldl2t"); /* test st0, st1 */

  asm ("fldl2e"); /* test st0, st1, st2 */

  asm ("fldpi");  /* test st0, st1, st2, st3 */

  asm ("fldlg2"); /* test st0, st1, st2, st3, st4 */

  asm ("fldln2"); /* test st0, st1, st2, st3, st4, st5 */

  asm ("fldz");   /* test st0, st1, st2, st3, st4, st5, st6 */

  asm ("fld1");   /* test st0, st1, st2, st3, st4, st5, st6, st7 */

  asm ("nop");

  return 1;             /* END I387-FLOAT-REVERSE */

}