| /programs/develop/libraries/menuetlibc/src/libc/pc_hw/fpu/cntrl87.s |
|---|
| 0,0 → 1,29 |
| #include<libc/asm.h> |
| .text |
| MK_C_SYM(control87) |
| pushl %ebp |
| movl %esp,%ebp |
| pushl %eax |
| fstcw (%esp) |
| fwait |
| popl %eax |
| andl $0xffff, %eax |
| movl 12(%ebp) , %ecx |
| notl %ecx |
| andl %eax, %ecx |
| movl 12(%ebp) , %edx |
| andl 8(%ebp) , %edx |
| orl %ecx, %edx |
| pushl %edx |
| fldcw (%esp) |
| popl %edx |
| movl %ebp,%esp |
| popl %ebp |
| ret |