derek.holloway
7502bf64a4
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39 lines
934 B
C
39 lines
934 B
C
#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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/* marks FPU stack as empty */
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void empty_fpu_stack()
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{
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asm ("ffree %st(1) \n\t"
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"ffree %st(2) \n\t"
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"ffree %st(3) \n\t"
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"ffree %st(4) \n\t"
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"ffree %st(5) \n\t"
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"ffree %st(6) \n\t"
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"ffree %st(7)");
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}
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/* tests floating point arithmetic */
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void test_arith_floats()
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{
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}
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int main()
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{
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empty_fpu_stack(); /* BEGIN I387-FLOAT-REVERSE */
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asm ("fld1"); /* test st0 register */
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asm ("fldl2t"); /* test st0, st1 */
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asm ("fldl2e"); /* test st0, st1, st2 */
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asm ("fldpi"); /* test st0, st1, st2, st3 */
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asm ("fldlg2"); /* test st0, st1, st2, st3, st4 */
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asm ("fldln2"); /* test st0, st1, st2, st3, st4, st5 */
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asm ("fldz"); /* test st0, st1, st2, st3, st4, st5, st6 */
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asm ("fld1"); /* test st0, st1, st2, st3, st4, st5, st6, st7 */
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asm ("nop");
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return 1; /* END I387-FLOAT-REVERSE */
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}
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