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// build with gcc -O0 -g -msse -msse2 -mssse3 -msse4.1 -msse4.2 -m32 test25.c -o test25
// 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 = "maestrum-foo-bar";
const char* string5 = "\0 ";
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 GO1(A, B, C) \
ret = _mm_cmpestri(a.mm, strlen(A), b.mm, strlen(B), C); \
printf("_mm_cmpestri(\"%s\", %d, \"%s\", %d, 0x%x) => %d\n", A, strlen(A), B, strlen(B), C, ret); \
fa = _mm_cmpestra(a.mm, strlen(A), b.mm, strlen(B), C); \
fc = _mm_cmpestrc(a.mm, strlen(A), b.mm, strlen(B), C); \
fo = _mm_cmpestro(a.mm, strlen(A), b.mm, strlen(B), C); \
fs = _mm_cmpestrs(a.mm, strlen(A), b.mm, strlen(B), C); \
fz = _mm_cmpestrz(a.mm, strlen(A), b.mm, strlen(B), C); \
printf("_mm_cmpestri(\"%s\", %d, \"%s\", %d, 0x%x) flags: a:%d s:%d z:%d c:%d o:%d\n", A, strlen(A), B, strlen(B), C, fa, fs, fz, fc, fo); \
c.mm = _mm_cmpestrm(a.mm, strlen(A), b.mm, strlen(B), C); \
printf("mm_cmpestrm(\"%s\", %d, \"%s\", %d, 0x%x) = %016x-%016x\n", A, strlen(A), B, strlen(B), C, c.u64[1], c.u64[0]); \
ret = _mm_cmpistri(a.mm, b.mm, C); \
printf("_mm_cmpistri(\"%s\", \"%s\", 0x%x) => %d\n", A, B, C, ret); \
fa = _mm_cmpistra(a.mm, b.mm, C); \
fc = _mm_cmpistrc(a.mm, b.mm, C); \
fo = _mm_cmpistro(a.mm, b.mm, C); \
fs = _mm_cmpistrs(a.mm, b.mm, C); \
fz = _mm_cmpistrz(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) \
#define GO2(C) \
GO(string1, string2, C); \
GO(string2, string1, C); \
GO(string1, string3, C); \
GO(string3, string1, C); \
GO(string1, string4, C); \
GO(string4, string1, C); \
GO(string1, string5, C); \
GO(string5, string1, C);
GO2(0x00)
GO2(0x04)
GO2(0x08)
GO2(0x0c)
GO2(0x10)
GO2(0x30)
GO2(0b1001100)
GO2(0b0101100)
GO2(0b0110100)
GO2(0b0110110)
GO2(0b1110100)
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);
return 0;
}
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