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test for movemask and shuffle cases added

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This commit is contained in:
apostolos 2021-10-22 11:17:43 +03:00
parent 5abda15c26
commit b53b0a0fcd
2 changed files with 47 additions and 4 deletions
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8
src/nfa/limex_shuffle.h
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@ -45,10 +45,10 @@
static really_inline
u32 packedExtract128(m128 s, const m128 permute, const m128 compare) {
m128 shuffled = pshufb_m128(s, permute);
int8x16_t res = (int8x16_t) pshufb_m128(s, permute);
printf("shufled:");
for(int i=15; i>=0; i--) {printf("%02x ", res[i]);}
printf("\n");
//int8x16_t res = (int8x16_t) pshufb_m128(s, permute);
//printf("shufled:");
//for(int i=15; i>=0; i--) {printf("%02x ", res[i]);}
//printf("\n");
m128 compared = and128(shuffled, compare);
u16 rv = ~movemask128(eq128(compared, shuffled));
return (u32)rv;

43
unit/internal/simd_utils.cpp
View File

@ -819,4 +819,47 @@ TEST(SimdUtilsTest, sub_u8_m128) {
EXPECT_TRUE(!diff128(result, loadu128(expec)));
}
TEST(SimdUtilsTest, movemask_128) {
srand (time(NULL));
u8 vec[16] = {0};
u8 vec2[16] = {0};
u16 r = rand() % 100 + 1;
for(int i=0; i<16; i++) {
if (r & (1 << i)) {
vec[i] = 0xff;
}
}
m128 v = loadu128(vec);
u16 mask = movemask128(v);
for(int i=0; i<16; i++) {
if (mask & (1 << i)) {
vec2[i] = 0xff;
}
}
for (int i=0; i<16; i++) {
ASSERT_EQ(vec[i],vec2[i]);
}
}
TEST(SimdUtilsTest, pshufb_m128) {
srand (time(NULL));
u8 vec[16];
for (int i=0; i<16; i++) {
vec[i] = rand() % 100 + 1;
}
u8 vec2[16];
for (int i=0; i<16; i++) {
vec2[i]=i;
}
m128 v1 = loadu128(vec);
m128 v2 = loadu128(vec2);
m128 vres = pshufb_m128(v1, v2);
u8 res[16];
store128(res, vres);
for (int i=0; i<16; i++) {
ASSERT_EQ(vec[vec2[i]], res[i]);
}
}
} // namespace