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author | Marat Dukhan <maratek@gmail.com> | 2017-04-14 01:20:18 +0000 |
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committer | Marat Dukhan <maratek@gmail.com> | 2017-04-14 01:20:18 +0000 |
commit | 6d9ce9d5a08737a424baecc7587e487396b9729a (patch) | |
tree | 26479fa1f568088a86a3444cec6c1fc3cc2d4991 /include | |
parent | 0be0b6efaa2c3860f7a20e405a267f05829cac11 (diff) | |
download | psimd-6d9ce9d5a08737a424baecc7587e487396b9729a.tar.gz |
Vector reversal functions
Diffstat (limited to 'include')
-rw-r--r-- | include/psimd.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/psimd.h b/include/psimd.h index 99def70..29f3459 100644 --- a/include/psimd.h +++ b/include/psimd.h @@ -743,6 +743,65 @@ #endif } + /* Reversal of vector elements */ + #if defined(__clang__) + PSIMD_INTRINSIC psimd_s8 psimd_reverse_s8(psimd_s8 v) { + return __builtin_shufflevector(v, v, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_u8 psimd_reverse_u8(psimd_u8 v) { + return __builtin_shufflevector(v, v, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_s16 psimd_reverse_s16(psimd_s16 v) { + return __builtin_shufflevector(v, v, 7, 6, 5, 4, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_u16 psimd_reverse_u16(psimd_u16 v) { + return __builtin_shufflevector(v, v, 7, 6, 5, 4, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_s32 psimd_reverse_s32(psimd_s32 v) { + return __builtin_shufflevector(v, v, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_u32 psimd_reverse_u32(psimd_u32 v) { + return __builtin_shufflevector(v, v, 3, 2, 1, 0); + } + + PSIMD_INTRINSIC psimd_f32 psimd_reverse_f32(psimd_f32 v) { + return __builtin_shufflevector(v, v, 3, 2, 1, 0); + } + #else + PSIMD_INTRINSIC psimd_s8 psimd_reverse_s8(psimd_s8 v) { + return __builtin_shuffle(v, (psimd_s8) { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_u8 psimd_reverse_u8(psimd_u8 v) { + return __builtin_shuffle(v, (psimd_s8) { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_s16 psimd_reverse_s16(psimd_s16 v) { + return __builtin_shuffle(v, (psimd_s16) { 7, 6, 5, 4, 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_u16 psimd_reverse_u16(psimd_u16 v) { + return __builtin_shuffle(v, (psimd_s16) { 7, 6, 5, 4, 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_s32 psimd_reverse_s32(psimd_s32 v) { + return __builtin_shuffle(v, (psimd_s32) { 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_u32 psimd_reverse_u32(psimd_u32 v) { + return __builtin_shuffle(v, (psimd_s32) { 3, 2, 1, 0 }); + } + + PSIMD_INTRINSIC psimd_f32 psimd_reverse_f32(psimd_f32 v) { + return __builtin_shuffle(v, (psimd_s32) { 3, 2, 1, 0 }); + } + #endif + /* Interleaving of vector elements */ #if defined(__clang__) PSIMD_INTRINSIC psimd_s16 psimd_interleave_lo_s16(psimd_s16 a, psimd_s16 b) { |