/usr/include/glm/simd/integer.h is in libglm-dev 0.9.9~a2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /// @ref simd
/// @file glm/simd/integer.h
#pragma once
#if GLM_ARCH & GLM_ARCH_SSE2_BIT
GLM_FUNC_QUALIFIER glm_uvec4 glm_i128_interleave(glm_uvec4 x)
{
glm_uvec4 const Mask4 = _mm_set1_epi32(0x0000FFFF);
glm_uvec4 const Mask3 = _mm_set1_epi32(0x00FF00FF);
glm_uvec4 const Mask2 = _mm_set1_epi32(0x0F0F0F0F);
glm_uvec4 const Mask1 = _mm_set1_epi32(0x33333333);
glm_uvec4 const Mask0 = _mm_set1_epi32(0x55555555);
glm_uvec4 Reg1;
glm_uvec4 Reg2;
// REG1 = x;
// REG2 = y;
//Reg1 = _mm_unpacklo_epi64(x, y);
Reg1 = x;
//REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x0000FFFF0000FFFF);
//REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x0000FFFF0000FFFF);
Reg2 = _mm_slli_si128(Reg1, 2);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask4);
//REG1 = ((REG1 << 8) | REG1) & glm::uint64(0x00FF00FF00FF00FF);
//REG2 = ((REG2 << 8) | REG2) & glm::uint64(0x00FF00FF00FF00FF);
Reg2 = _mm_slli_si128(Reg1, 1);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask3);
//REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x0F0F0F0F0F0F0F0F);
//REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x0F0F0F0F0F0F0F0F);
Reg2 = _mm_slli_epi32(Reg1, 4);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask2);
//REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x3333333333333333);
//REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x3333333333333333);
Reg2 = _mm_slli_epi32(Reg1, 2);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask1);
//REG1 = ((REG1 << 1) | REG1) & glm::uint64(0x5555555555555555);
//REG2 = ((REG2 << 1) | REG2) & glm::uint64(0x5555555555555555);
Reg2 = _mm_slli_epi32(Reg1, 1);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask0);
//return REG1 | (REG2 << 1);
Reg2 = _mm_slli_epi32(Reg1, 1);
Reg2 = _mm_srli_si128(Reg2, 8);
Reg1 = _mm_or_si128(Reg1, Reg2);
return Reg1;
}
GLM_FUNC_QUALIFIER glm_uvec4 glm_i128_interleave2(glm_uvec4 x, glm_uvec4 y)
{
glm_uvec4 const Mask4 = _mm_set1_epi32(0x0000FFFF);
glm_uvec4 const Mask3 = _mm_set1_epi32(0x00FF00FF);
glm_uvec4 const Mask2 = _mm_set1_epi32(0x0F0F0F0F);
glm_uvec4 const Mask1 = _mm_set1_epi32(0x33333333);
glm_uvec4 const Mask0 = _mm_set1_epi32(0x55555555);
glm_uvec4 Reg1;
glm_uvec4 Reg2;
// REG1 = x;
// REG2 = y;
Reg1 = _mm_unpacklo_epi64(x, y);
//REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x0000FFFF0000FFFF);
//REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x0000FFFF0000FFFF);
Reg2 = _mm_slli_si128(Reg1, 2);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask4);
//REG1 = ((REG1 << 8) | REG1) & glm::uint64(0x00FF00FF00FF00FF);
//REG2 = ((REG2 << 8) | REG2) & glm::uint64(0x00FF00FF00FF00FF);
Reg2 = _mm_slli_si128(Reg1, 1);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask3);
//REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x0F0F0F0F0F0F0F0F);
//REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x0F0F0F0F0F0F0F0F);
Reg2 = _mm_slli_epi32(Reg1, 4);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask2);
//REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x3333333333333333);
//REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x3333333333333333);
Reg2 = _mm_slli_epi32(Reg1, 2);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask1);
//REG1 = ((REG1 << 1) | REG1) & glm::uint64(0x5555555555555555);
//REG2 = ((REG2 << 1) | REG2) & glm::uint64(0x5555555555555555);
Reg2 = _mm_slli_epi32(Reg1, 1);
Reg1 = _mm_or_si128(Reg2, Reg1);
Reg1 = _mm_and_si128(Reg1, Mask0);
//return REG1 | (REG2 << 1);
Reg2 = _mm_slli_epi32(Reg1, 1);
Reg2 = _mm_srli_si128(Reg2, 8);
Reg1 = _mm_or_si128(Reg1, Reg2);
return Reg1;
}
#endif//GLM_ARCH & GLM_ARCH_SSE2_BIT
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