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SuperVector shuffle implementation and test function optimized

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This commit is contained in:
Apostolos Tapsas 2021-10-22 11:55:39 +00:00
parent 57301721f1
commit d43d6733b6
5 changed files with 7 additions and 18 deletions
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5
src/nfa/limex_shuffle.h
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@ -45,10 +45,7 @@
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");
print_m128_16x8("shufled", shuffled);
m128 compared = and128(shuffled, compare);
u16 rv = ~movemask128(eq128(compared, shuffled));
return (u32)rv;

8
src/util/arch/ppc64el/simd_utils.h
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@ -463,14 +463,6 @@ char testbit128(m128 val, unsigned int n) {
static really_inline
m128 pshufb_m128(m128 a, m128 b) {
return (m128) vec_perm((uint8x16_t)a, (uint8x16_t)a, (uint8x16_t)b);
//return (m128) vec_perm((int8x16_t)vec_splat_s8(0), (int8x16_t)a, (uint8x16_t)b);;
//uint8x16_t btransparent = vec_and((uint8x16_t)b, (uint8x16_t)vec_splats(0x8f));
//return (m128) vec_perm(a, a, btransparent);
//return (m128) vec_perm((int8x16_t)vec_splat_s8(0), (int8x16_t)b, (uint8x16_t)a);
//return (m128) vec_perm((int8x16_t)a, (int8x16_t)b, (uint8x16_t)vec_splat_s8(0));
//return (m128) vec_perm((int8x16_t)b, (int8x16_t)a, (uint8x16_t)vec_splat_s8(0));
}
static really_inline

2
src/util/supervector/arch/ppc64el/impl.cpp
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@ -603,7 +603,7 @@ template<>
template<>
really_inline SuperVector<16> SuperVector<16>::pshufb<false>(SuperVector<16> b)
{
return (m128) vec_permxor((int8x16_t)vec_splat_s8(0), (int8x16_t)u.v128[0], (int8x16_t) b.u.v128[0]);
return (m128) vec_perm((uint8x16_t)u.v128[0], (uint8x16_t)u.v128[0], (uint8x16_t)b.u.v128[0]);
}
template<>

6
unit/internal/simd_utils.cpp
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@ -849,15 +849,15 @@ TEST(SimdUtilsTest, pshufb_m128) {
}
u8 vec2[16];
for (int i=0; i<16; i++) {
vec2[i]=i;
}
vec2[i]=i + (rand() % 16 + 0);
}
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]);
ASSERT_EQ(vec[vec2[i] % 16 ], res[i]);
}
}

4
unit/internal/supervector.cpp
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@ -280,13 +280,13 @@ TEST(SuperVectorUtilsTest,pshufb128c) {
}
u8 vec2[16];
for (int i=0; i<16; i++) {
vec2[i]=i;
vec2[i]=i + (rand() % 15 + 0);
}
auto SP1 = SuperVector<16>::loadu(vec);
auto SP2 = SuperVector<16>::loadu(vec2);
auto SResult = SP1.template pshufb<true>(SP2);
for (int i=0; i<16; i++) {
ASSERT_EQ(vec[vec2[i]],SResult.u.u8[i]);
ASSERT_EQ(vec[vec2[i] % 16 ],SResult.u.u8[i]);
}
}