sewardj | d01a963 | 2004-11-30 13:18:37 +0000 | [diff] [blame] | 1 | |
| 2 | #include <stdio.h> |
| 3 | |
| 4 | void fldcw_default ( void ) |
| 5 | { |
| 6 | asm(" pushw $0x037F ; fldcw (%esp) ; addl $2, %esp"); |
| 7 | } |
| 8 | |
| 9 | void fldcw_exns ( void ) |
| 10 | { |
| 11 | asm(" pushw $0x037E ; fldcw (%esp) ; addl $2, %esp"); |
| 12 | } |
| 13 | |
| 14 | void fldcw_precision ( void ) |
| 15 | { |
| 16 | asm(" pushw $0x007F ; fldcw (%esp) ; addl $2, %esp"); |
| 17 | } |
| 18 | |
| 19 | void fldcw_rounding ( void ) |
| 20 | { |
| 21 | asm(" pushw $0x077F ; fldcw (%esp) ; addl $2, %esp"); |
| 22 | } |
| 23 | |
| 24 | int main ( void ) |
| 25 | { |
| 26 | printf("default\n"); |
| 27 | fldcw_default(); |
| 28 | printf("\n"); |
| 29 | |
| 30 | printf("exns\n"); |
| 31 | fldcw_exns(); |
| 32 | printf("\n"); |
| 33 | |
| 34 | printf("precision\n"); |
| 35 | fldcw_precision(); |
| 36 | printf("\n"); |
| 37 | |
| 38 | printf("rounding\n"); |
| 39 | fldcw_rounding(); |
| 40 | printf("\n"); |
| 41 | |
| 42 | return 0; |
| 43 | } |