source: trunk/minix/lib/i386/em/em_cfi.s@ 10

.sect .text; .sect .rom; .sect .data; .sect .bss
.define .cfi

        .sect .text
.cfi:
        mov     bx,sp
        fstcw   4(bx)
        wait
        mov     dx,4(bx)
        or      4(bx),0xc00     ! truncating mode
        wait
        fldcw   4(bx)
        cmp     8(bx),4
        jne     2f
                                ! loc 4 loc ? cfi
        flds    12(bx)
        fistpl  12(bx)
1:
        mov     4(bx),dx
        wait
        fldcw   4(bx)
        ret
2:
                                ! loc 8 loc ? cfi
        fldd    12(bx)
        fistpl  16(bx)
        jmp     1b