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annotate src/impl/x86/sse3.c @ 29:e59c91d050c0

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*: add aligned malloc stuff :)
author Paper <paper@tflc.us>
date Thu, 24 Apr 2025 17:12:05 -0400
parents c6c99ab1088a
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1 /**
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2 * vec - a tiny SIMD vector library in C99
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3 *
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4 * Copyright (c) 2024 Paper
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5 *
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6 * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 * of this software and associated documentation files (the "Software"), to deal
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8 * in the Software without restriction, including without limitation the rights
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9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 * copies of the Software, and to permit persons to whom the Software is
c6c99ab1088a *: add min/max functions and a big big refactor (again)
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11 * furnished to do so, subject to the following conditions:
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12 *
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13 * The above copyright notice and this permission notice shall be included in all
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14 * copies or substantial portions of the Software.
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15 *
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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22 * SOFTWARE.
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23 **/
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25 #include "vec/impl/x86/sse3.h"
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27 #include <pmmintrin.h>
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29 /* SSE3 has a slightly more optimized load function */
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31 #define VEC_SSE2_DEFINE_OPERATIONS_SIGN(sign, bits, size) \
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32 union v##sign##int##bits##x##size##_impl_data { \
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33 v##sign##int##bits##x##size vec; \
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34 __m128i sse; \
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35 }; \
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36 \
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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"); \
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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"); \
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39 \
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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]) \
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41 { \
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42 union v##sign##int##bits##x##size##_impl_data vec; \
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43 vec.sse = _mm_lddqu_si128((const __m128i *)in); \
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44 return vec.vec; \
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45 } \
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46 \
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47 const v##sign##int##bits##x##size##_impl v##sign##int##bits##x##size##_impl_sse3 = { \
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48 .load = v##sign##int##bits##x##size##_sse2_load, \
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49 };
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51 #define VEC_SSE2_DEFINE_OPERATIONS(bits, size) \
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52 VEC_SSE2_DEFINE_OPERATIONS_SIGN(u, bits, size) \
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53 VEC_SSE2_DEFINE_OPERATIONS_SIGN( , bits, size)
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54
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55 VEC_SSE2_DEFINE_OPERATIONS(8, 16)
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56 VEC_SSE2_DEFINE_OPERATIONS(16, 8)
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57 VEC_SSE2_DEFINE_OPERATIONS(32, 4)
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58 VEC_SSE2_DEFINE_OPERATIONS(64, 2)