Mercurial > vec
comparison src/impl/x86/sse3.c @ 28:c6c99ab1088a
*: add min/max functions and a big big refactor (again)
agh, this time I added a few more implementations (and generally
made the code just a little faster...)
| author | Paper <paper@tflc.us> | 
|---|---|
| date | Thu, 24 Apr 2025 00:54:02 -0400 | 
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| children | 
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| 27:d00b95f95dd1 | 28:c6c99ab1088a | 
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| 1 /** | |
| 2 * vec - a tiny SIMD vector library in C99 | |
| 3 * | |
| 4 * Copyright (c) 2024 Paper | |
| 5 * | |
| 6 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 7 * of this software and associated documentation files (the "Software"), to deal | |
| 8 * in the Software without restriction, including without limitation the rights | |
| 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 10 * copies of the Software, and to permit persons to whom the Software is | |
| 11 * furnished to do so, subject to the following conditions: | |
| 12 * | |
| 13 * The above copyright notice and this permission notice shall be included in all | |
| 14 * copies or substantial portions of the Software. | |
| 15 * | |
| 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 22 * SOFTWARE. | |
| 23 **/ | |
| 24 | |
| 25 #include "vec/impl/x86/sse3.h" | |
| 26 | |
| 27 #include <pmmintrin.h> | |
| 28 | |
| 29 /* SSE3 has a slightly more optimized load function */ | |
| 30 | |
| 31 #define VEC_SSE2_DEFINE_OPERATIONS_SIGN(sign, bits, size) \ | |
| 32 union v##sign##int##bits##x##size##_impl_data { \ | |
| 33 v##sign##int##bits##x##size vec; \ | |
| 34 __m128i sse; \ | |
| 35 }; \ | |
| 36 \ | |
| 37 VEC_STATIC_ASSERT(VEC_ALIGNOF(__m128i) <= VEC_ALIGNOF(v##sign##int##bits##x##size), "vec: v" #sign "int" #bits "x" #size " alignment needs to be expanded to fit intrinsic type size"); \ | |
| 38 VEC_STATIC_ASSERT(sizeof(__m128i) <= sizeof(v##sign##int##bits##x##size), "vec: v" #sign "int" #bits "x" #size " needs to be expanded to fit intrinsic type size"); \ | |
| 39 \ | |
| 40 VEC_FUNC_IMPL v##sign##int##bits##x##size v##sign##int##bits##x##size##_sse2_load(const vec_##sign##int##bits in[size]) \ | |
| 41 { \ | |
| 42 union v##sign##int##bits##x##size##_impl_data vec; \ | |
| 43 vec.sse = _mm_lddqu_si128((const __m128i *)in); \ | |
| 44 return vec.vec; \ | |
| 45 } \ | |
| 46 \ | |
| 47 const v##sign##int##bits##x##size##_impl v##sign##int##bits##x##size##_impl_sse3 = { \ | |
| 48 .load = v##sign##int##bits##x##size##_sse2_load, \ | |
| 49 }; | |
| 50 | |
| 51 #define VEC_SSE2_DEFINE_OPERATIONS(bits, size) \ | |
| 52 VEC_SSE2_DEFINE_OPERATIONS_SIGN(u, bits, size) \ | |
| 53 VEC_SSE2_DEFINE_OPERATIONS_SIGN( , bits, size) | |
| 54 | |
| 55 VEC_SSE2_DEFINE_OPERATIONS(8, 16) | |
| 56 VEC_SSE2_DEFINE_OPERATIONS(16, 8) | |
| 57 VEC_SSE2_DEFINE_OPERATIONS(32, 4) | |
| 58 VEC_SSE2_DEFINE_OPERATIONS(64, 2) | 
