source: trunk/minix/lib/i86/int64/add64u.s@ 11

Last change on this file since 11 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 518 bytes
RevLine 
[9]1! add64u() - unsigned to 64 bit addition Author: Kees J. Bot
2! 24 Dec 1995
3.sect .text
4.define _add64u, _add64ul
5
6_add64u: ! u64_t add64u(u64_t i, unsigned j);
7 push bp
8 mov bp, sp
9 xor cx, cx
10 jmp 0f
11_add64ul: ! u64_t add64ul(u64_t i, unsigned long j);
12 push bp
13 mov bp, sp
14 mov cx, 16(bp)
150: mov bx, 4(bp)
16 mov ax, 6(bp)
17 add ax, 14(bp)
18 mov (bx), ax
19 mov ax, 8(bp)
20 adc ax, cx
21 mov 2(bx), ax
22 mov ax, 10(bp)
23 adc ax, #0
24 mov 4(bx), ax
25 mov ax, 12(bp)
26 adc ax, #0
27 mov 6(bx), ax
28 mov ax, bx
29 pop bp
30 ret
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