1 #include <stdio.h>
2 #include <math.h>
3 #include <stdlib.h>
4
5 /* marks FPU stack as empty */
empty_fpu_stack()6 void empty_fpu_stack()
7 {
8 asm ("ffree %st(1) \n\t"
9 "ffree %st(2) \n\t"
10 "ffree %st(3) \n\t"
11 "ffree %st(4) \n\t"
12 "ffree %st(5) \n\t"
13 "ffree %st(6) \n\t"
14 "ffree %st(7)");
15 }
16
17 /* tests floating point arithmetic */
test_arith_floats()18 void test_arith_floats()
19 {
20
21 }
22
main()23 int main()
24 {
25 empty_fpu_stack(); /* BEGIN I387-FLOAT-REVERSE */
26
27 asm ("fld1"); /* test st0 register */
28 asm ("fldl2t"); /* test st0, st1 */
29 asm ("fldl2e"); /* test st0, st1, st2 */
30 asm ("fldpi"); /* test st0, st1, st2, st3 */
31 asm ("fldlg2"); /* test st0, st1, st2, st3, st4 */
32 asm ("fldln2"); /* test st0, st1, st2, st3, st4, st5 */
33 asm ("fldz"); /* test st0, st1, st2, st3, st4, st5, st6 */
34 asm ("fld1"); /* test st0, st1, st2, st3, st4, st5, st6, st7 */
35 asm ("nop");
36
37 return 1; /* END I387-FLOAT-REVERSE */
38 }
39