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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
// build with gcc -O0 -g -msse -msse2 -mssse3 -msse4.1 -msse4.2 test27.c -o test27
// and -m32 for 32bits version
#include <inttypes.h>
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <math.h>
#include <pmmintrin.h>
#include <immintrin.h>
typedef unsigned char u8x16 __attribute__ ((vector_size (16)));
typedef unsigned short u16x8 __attribute__ ((vector_size (16)));
typedef unsigned int u32x4 __attribute__ ((vector_size (16)));
typedef unsigned long int u64x2 __attribute__ ((vector_size (16)));
typedef float f32x4 __attribute__ ((vector_size (16)));
typedef double d64x2 __attribute__ ((vector_size (16)));
const char* string1 = "This is a string";
const char* string2 = "This\0 string ";
const char* string3 = "is\0 ";
const char* string4 = "maentrum-foo-bar";
const char* string5 = "\0 ";
const char* string6 = "bar-foo \0 ";
const char* string7 = " sihT foo str i";
typedef union {
__m128i mm;
__m128 mf;
__m128d md;
u8x16 u8;
u16x8 u16;
u32x4 u32;
u64x2 u64;
f32x4 f32;
d64x2 d64;
} v128;
v128 load_string(const char* s)
{
v128 ret;
for(int i=0; i<16; ++i)
ret.u8[i] = s[i];
return ret;
}
v128 load_stringw(const char* s)
{
v128 ret;
for(int i=0; i<8; ++i)
ret.u16[i] = s[i];
return ret;
}
int main(int argc, const char** argv)
{
printf("test SSE 4.2\n");
v128 a, b, c;
int ret;
int fa, fc, fo, fs, fz;
#define GOFE(A, LA, B, LB, C) \
fa = _mm_cmpestra(A, LA, B, LB, C); \
fc = _mm_cmpestrc(A, LA, B, LB, C); \
fo = _mm_cmpestro(A, LA, B, LB, C); \
fs = _mm_cmpestrs(A, LA, B, LB, C); \
fz = _mm_cmpestrz(A, LA, B, LB, C) \
#define GOFI(A, B, C) \
fa = _mm_cmpistra(A, B, C); \
fc = _mm_cmpistrc(A, B, C); \
fo = _mm_cmpistro(A, B, C); \
fs = _mm_cmpistrs(A, B, C); \
fz = _mm_cmpistrz(A, B, C) \
#define GOE(A, LA, B, LB, C) \
ret = _mm_cmpestri(a.mm, LA, b.mm, LB, C);\
printf("_mm_cmpestri(\"%s\", %d, \"%s\", %d, 0x%x) => %d\n", A, LA, B, LB, C, ret); \
GOFE(a.mm, LA, b.mm, LB, C); \
printf("_mm_cmpestri(\"%s\", %d, \"%s\", %d, 0x%x) flags: a:%d s:%d z:%d c:%d o:%d\n", A, LA, B, LB, C, fa, fs, fz, fc, fo); \
c.mm = _mm_cmpestrm(a.mm, LA, b.mm, LB, C); \
printf("_mm_cmpestrm(\"%s\", %d, \"%s\", %d, 0x%x) = %016x-%016x\n", A, LA, B, LB, C, c.u64[1], c.u64[0]); \
#define GO1(A, B, C) \
GOE(A, strlen(A), B, strlen(B), C); \
GOE(A, ((C)&1)?8:16, B, ((C)&1)?8:16, C); \
GOE(A, strlen(A), B, ((C)&1)?8:16, C); \
GOE(A, ((C)&1)?8:16, B, strlen(B), C); \
ret = _mm_cmpistri(a.mm, b.mm, C); \
printf("_mm_cmpistri(\"%s\", \"%s\", 0x%x) => %d\n", A, B, C, ret); \
GOFI(a.mm, b.mm, C); \
printf("_mm_cmpestri(\"%s\", \"%s\", 0x%x) flags: a:%d s:%d z:%d c:%d o:%d\n", A, B, C, fa, fs, fz, fc, fo); \
c.mm = _mm_cmpistrm(a.mm, b.mm, C); \
printf("_mm_cmpestrm(\"%s\", \"%s\", 0x%x) = %016x-%016x\n", A, B, C, c.u64[1], c.u64[0])
#define GO(A, B, C) \
a = load_string(A); \
b = load_string(B); \
GO1(A, B, C); \
a = load_stringw(A);\
b = load_stringw(B);\
GO1(A, B, C|1); \
a = load_string(B); \
b = load_string(A); \
GO1(B, A, C); \
a = load_stringw(B);\
b = load_stringw(A);\
GO1(B, A, C|1); \
a = load_string(B); \
b = load_string(A); \
GO1(B, A, C|64); \
a = load_stringw(B);\
b = load_stringw(A);\
GO1(B, A, C|1|64) \
#define GO2(C) \
GO(string1, string2, C); \
GO(string1, string3, C); \
GO(string1, string4, C); \
GO(string1, string5, C); \
GO(string1, string6, C); \
GO(string1, string7, C); \
GO(string2, string3, C); \
GO(string2, string4, C); \
GO(string2, string5, C); \
GO(string2, string6, C); \
GO(string2, string7, C); \
GO(string3, string4, C); \
GO(string3, string5, C); \
GO(string3, string6, C); \
GO(string3, string7, C); \
GO(string4, string5, C); \
GO(string4, string6, C); \
GO(string4, string7, C); \
GO(string5, string6, C); \
GO(string5, string7, C); \
GO(string6, string7, C); \
GO2(0x00)
GO2(0x04)
GO2(0x08)
GO2(0x0c)
GO2(0x10)
GO2(0x14)
GO2(0x18)
GO2(0x1c)
GO2(0x20)
GO2(0x24)
GO2(0x28)
GO2(0x2c)
GO2(0x30)
GO2(0x34)
GO2(0x38)
GO2(0x3c)
unsigned int crc = 0;
printf("crc32(0x%x, byte:0x%x) => ", crc, 0);
crc = _mm_crc32_u8(crc, 0);
printf("0x%x\n", crc);
printf("crc32(0x%x, byte:0x%x) => ", crc, 10);
crc = _mm_crc32_u8(crc, 10);
printf("0x%x\n", crc);
printf("crc32(0x%x, dword:0x%x) => ", crc, 0);
crc = _mm_crc32_u32(crc, 0);
printf("0x%x\n", crc);
printf("crc32(0x%x, dword:0x%x) => ", crc, 0x123456);
crc = _mm_crc32_u32(crc, 0x123456);
printf("0x%x\n", crc);
printf("crc32(0x%x, word:0x%x) => ", crc, 0x8765);
crc = _mm_crc32_u16(crc, 0x8765);
printf("0x%x\n", crc);
printf("crc32(0x%x, qword:0x%x) => ", crc, 0xff1234567890);
uint64_t crc64 = _mm_crc32_u64(crc, 0xff1234567890);
printf("0x%x\n", crc64);
return 0;
}
|