1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#include "alu.inc"
.code
prolog
#define LSH(N, I0, I1, V) ALU(N, , lsh, I0, I1, V)
LSH(0, 0x7f, 1, 0xfe)
LSH(1, 0x7fff, 2, 0x1fffc)
LSH(2, 0x81, 16, 0x810000)
LSH(3, 0xff, 15, 0x7f8000)
LSH(4, 0x7fffffff, 0, 0x7fffffff)
#if __WORDSIZE == 32
LSH(5, 0xffffffff, 8, 0xffffff00)
LSH(6, 0x7fffffff, 3, 0xfffffff8)
LSH(7, -0x7f, 31, 0x80000000)
LSH(8, -0x7fff, 30, 0x40000000)
LSH(9, -0x7fffffff, 29, 0x20000000)
LSH(10, 0x80000001, 28, 0x10000000)
LSH(11, 0x8001, 17, 0x20000)
LSH(12, 0x80000001, 18, 0x40000)
LSH(13, -0xffff, 24, 0x1000000)
#else
LSH(5, 0xffffffff, 8, 0xffffffff00)
LSH(6, 0x7fffffff, 3, 0x3fffffff8)
LSH(7, -0x7f, 31, 0xffffffc080000000)
LSH(8, -0x7fff, 30, 0xffffe00040000000)
LSH(9, -0x7fffffff, 29, 0xf000000020000000)
LSH(10, 0x80000001, 28, 0x800000010000000)
LSH(11, 0x8001, 17, 0x100020000)
LSH(12, 0x80000001, 18, 0x2000000040000)
LSH(13, -0xffff, 24, 0xffffff0001000000)
LSH(14, 0x7f, 33, 0xfe00000000)
LSH(15, 0x7ffff, 34, 0x1ffffc00000000)
LSH(16, 0x7fffffff, 35, 0xfffffff800000000)
LSH(17, -0x7f, 63, 0x8000000000000000)
LSH(18, -0x7fff, 62, 0x4000000000000000)
LSH(19, -0x7fffffff, 61, 0x2000000000000000)
LSH(20, 0x80000001, 60, 0x1000000000000000)
LSH(21, 0x81, 48, 0x81000000000000)
LSH(22, 0x8001, 49, 0x2000000000000)
LSH(23, 0x80000001, 40, 0x10000000000)
LSH(24, 0xff, 47, 0x7f800000000000)
LSH(25, 0xffff0001, 56, 0x100000000000000)
LSH(26, 0xffffffff, 40, 0xffffff0000000000)
LSH(27, 0x7fffffffff, 33, 0xfffffffe00000000)
LSH(28, -0x7fffffffff, 63, 0x8000000000000000)
LSH(29, 0x8000000001, 48, 0x1000000000000)
LSH(30, 0xffffffffff, 47, 0xffff800000000000)
#endif
prepare
pushargi ok
ellipsis
finishi @printf
ret
epilog
|