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Optimize vector load and store a bit

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korenkonder
2023-08-06 02:28:02 +03:00
parent 45672d8ff5
commit ba9d50b4b6
2 changed files with 31 additions and 26 deletions
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src/KKdLib/vec.cpp
+19 -5
View File
@@ -9,9 +9,23 @@ const __m128 vec2_neg = { -0.0f, -0.0f, 0.0f, 0.0f };
const __m128 vec3_neg = { -0.0f, -0.0f, -0.0f, 0.0f };
const __m128 vec4_neg = { -0.0f, -0.0f, -0.0f, -0.0f };
const vec4i vec2_abs = { (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF, (int32_t)0x00000000, (int32_t)0x00000000 };
const vec4i vec3_abs = { (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF, (int32_t)0x00000000 };
const vec4i vec4_abs = { (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF, (int32_t)0x7FFFFFFF };
const __m128i vec2i_abs = {
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0x00, (char)0x00, (char)0x00, (char)0x00,
(char)0x00, (char)0x00, (char)0x00, (char)0x00,
};
const vec4i vec4_mask_vec2 = { (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0x00000000, (int32_t)0x00000000 };
const vec4i vec4_mask_vec3 = { (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0xFFFFFFFF, (int32_t)0x00000000 };
const __m128i vec3i_abs = {
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0x00, (char)0x00, (char)0x00, (char)0x00,
};
const __m128i vec4i_abs = {
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
(char)0xFF, (char)0xFF, (char)0xFF, (char)0x7F,
};
src/KKdLib/vec.hpp
+12 -21
View File
@@ -458,12 +458,9 @@ extern const __m128 vec2_neg;
extern const __m128 vec3_neg;
extern const __m128 vec4_neg;
extern const vec4i vec2_abs;
extern const vec4i vec3_abs;
extern const vec4i vec4_abs;
extern const vec4i vec4_mask_vec2;
extern const vec4i vec4_mask_vec3;
extern const __m128i vec2i_abs;
extern const __m128i vec3i_abs;
extern const __m128i vec4i_abs;
inline vec2::vec2() : x(), y() {
@@ -479,18 +476,15 @@ inline vec2::vec2(float_t x, float_t y) : x(x), y(y) {
inline __m128 vec2::load_xmm(const float_t data) {
__m128 _data = _mm_set_ss(data);
_data = _mm_shuffle_ps(_data, _data, 0);
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec2)));
return _mm_shuffle_ps(_data, _data, 0x50);
}
inline __m128 vec2::load_xmm(const vec2& data) {
__m128 _data = _mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data));
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec2)));
return _mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data));
}
inline __m128 vec2::load_xmm(const vec2&& data) {
__m128 _data = _mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data));
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec2)));
return _mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data));
}
inline vec2 vec2::store_xmm(const __m128& data) {
@@ -507,18 +501,15 @@ inline vec2 vec2::store_xmm(const __m128&& data) {
inline __m128 vec3::load_xmm(const float_t data) {
__m128 _data = _mm_set_ss(data);
_data = _mm_shuffle_ps(_data, _data, 0);
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec3)));
return _mm_shuffle_ps(_data, _data, 0x40);
}
inline __m128 vec3::load_xmm(const vec3& data) {
__m128 _data = _mm_movelh_ps(_mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data)), _mm_set_ss(data.z));
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec3)));
return _mm_movelh_ps(_mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data)), _mm_set_ss(data.z));
}
inline __m128 vec3::load_xmm(const vec3&& data) {
__m128 _data = _mm_movelh_ps(_mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data)), _mm_set_ss(data.z));
return _mm_and_ps(_data, _mm_castsi128_ps(vec4i::load_xmm(vec4_mask_vec3)));
return _mm_movelh_ps(_mm_castsi128_ps(_mm_loadl_epi64((const __m128i*) & data)), _mm_set_ss(data.z));
}
inline vec3 vec3::store_xmm(const __m128& data) {
@@ -810,7 +801,7 @@ inline float_t vec2::distance_squared(const vec2& left, const vec2& right) {
}
inline vec2 vec2::abs(const vec2& left) {
return vec2::store_xmm(_mm_and_ps(vec2::load_xmm(left), _mm_castsi128_ps(vec4i::load_xmm(vec2_abs))));
return vec2::store_xmm(_mm_castsi128_ps(_mm_and_si128(_mm_castps_si128(vec2::load_xmm(left)), vec2i_abs)));
}
inline vec2 vec2::lerp(const vec2& left, const vec2& right, const vec2& blend) {
@@ -1106,7 +1097,7 @@ inline float_t vec3::distance_squared(const vec3& left, const vec3& right) {
}
inline vec3 vec3::abs(const vec3& left) {
return vec3::store_xmm(_mm_and_ps(vec3::load_xmm(left), _mm_castsi128_ps(vec4i::load_xmm(vec3_abs))));
return vec3::store_xmm(_mm_castsi128_ps(_mm_and_si128(_mm_castps_si128(vec3::load_xmm(left)), vec3i_abs)));
}
inline vec3 vec3::lerp(const vec3& left, const vec3& right, const vec3& blend) {
@@ -1404,7 +1395,7 @@ inline float_t vec4::distance_squared(const vec4& left, const vec4& right) {
}
inline vec4 vec4::abs(const vec4& left) {
return vec4::store_xmm(_mm_and_ps(vec4::load_xmm(left), _mm_castsi128_ps(vec4i::load_xmm(vec4_abs))));
return vec4::store_xmm(_mm_castsi128_ps(_mm_and_si128(_mm_castps_si128(vec4::load_xmm(left)), vec4i_abs)));
}
inline vec4 vec4::lerp(const vec4& left, const vec4& right, const vec4& blend) {