diff options
Diffstat (limited to 'src/simd/simd_sse2/simd_sse2.h')
| -rw-r--r-- | src/simd/simd_sse2/simd_sse2.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/simd/simd_sse2/simd_sse2.h b/src/simd/simd_sse2/simd_sse2.h deleted file mode 100644 index 6cbed1df8..000000000 --- a/src/simd/simd_sse2/simd_sse2.h +++ /dev/null @@ -1,169 +0,0 @@ -/* -* Lightweight wrappers for SSE2 intrinsics for 32-bit operations -* (C) 2009 Jack Lloyd -* -* Distributed under the terms of the Botan license -*/ - -#ifndef BOTAN_SIMD_SSE_H__ -#define BOTAN_SIMD_SSE_H__ - -#if defined(BOTAN_TARGET_SUPPORTS_SSE2) - -#include <botan/cpuid.h> -#include <emmintrin.h> - -namespace Botan { - -class SIMD_SSE2 - { - public: - static bool enabled() { return CPUID::has_sse2(); } - - SIMD_SSE2(const u32bit B[4]) - { - reg = _mm_loadu_si128(reinterpret_cast<const __m128i*>(B)); - } - - SIMD_SSE2(u32bit B0, u32bit B1, u32bit B2, u32bit B3) - { - reg = _mm_set_epi32(B0, B1, B2, B3); - } - - SIMD_SSE2(u32bit B) - { - reg = _mm_set1_epi32(B); - } - - static SIMD_SSE2 load_le(const void* in) - { - return _mm_loadu_si128(reinterpret_cast<const __m128i*>(in)); - } - - static SIMD_SSE2 load_be(const void* in) - { - return load_le(in).bswap(); - } - - void store_le(byte out[]) const - { - _mm_storeu_si128(reinterpret_cast<__m128i*>(out), reg); - } - - void store_be(byte out[]) const - { - bswap().store_le(out); - } - - void rotate_left(size_t rot) - { - reg = _mm_or_si128(_mm_slli_epi32(reg, static_cast<int>(rot)), - _mm_srli_epi32(reg, static_cast<int>(32-rot))); - } - - void rotate_right(size_t rot) - { - rotate_left(32 - rot); - } - - void operator+=(const SIMD_SSE2& other) - { - reg = _mm_add_epi32(reg, other.reg); - } - - SIMD_SSE2 operator+(const SIMD_SSE2& other) const - { - return _mm_add_epi32(reg, other.reg); - } - - void operator-=(const SIMD_SSE2& other) - { - reg = _mm_sub_epi32(reg, other.reg); - } - - SIMD_SSE2 operator-(const SIMD_SSE2& other) const - { - return _mm_sub_epi32(reg, other.reg); - } - - void operator^=(const SIMD_SSE2& other) - { - reg = _mm_xor_si128(reg, other.reg); - } - - SIMD_SSE2 operator^(const SIMD_SSE2& other) const - { - return _mm_xor_si128(reg, other.reg); - } - - void operator|=(const SIMD_SSE2& other) - { - reg = _mm_or_si128(reg, other.reg); - } - - SIMD_SSE2 operator&(const SIMD_SSE2& other) - { - return _mm_and_si128(reg, other.reg); - } - - void operator&=(const SIMD_SSE2& other) - { - reg = _mm_and_si128(reg, other.reg); - } - - SIMD_SSE2 operator<<(size_t shift) const - { - return _mm_slli_epi32(reg, static_cast<int>(shift)); - } - - SIMD_SSE2 operator>>(size_t shift) const - { - return _mm_srli_epi32(reg, static_cast<int>(shift)); - } - - SIMD_SSE2 operator~() const - { - return _mm_xor_si128(reg, _mm_set1_epi32(0xFFFFFFFF)); - } - - // (~reg) & other - SIMD_SSE2 andc(const SIMD_SSE2& other) - { - return _mm_andnot_si128(reg, other.reg); - } - - SIMD_SSE2 bswap() const - { - __m128i T = reg; - - T = _mm_shufflehi_epi16(T, _MM_SHUFFLE(2, 3, 0, 1)); - T = _mm_shufflelo_epi16(T, _MM_SHUFFLE(2, 3, 0, 1)); - - return _mm_or_si128(_mm_srli_epi16(T, 8), - _mm_slli_epi16(T, 8)); - } - - static void transpose(SIMD_SSE2& B0, SIMD_SSE2& B1, - SIMD_SSE2& B2, SIMD_SSE2& B3) - { - __m128i T0 = _mm_unpacklo_epi32(B0.reg, B1.reg); - __m128i T1 = _mm_unpacklo_epi32(B2.reg, B3.reg); - __m128i T2 = _mm_unpackhi_epi32(B0.reg, B1.reg); - __m128i T3 = _mm_unpackhi_epi32(B2.reg, B3.reg); - B0.reg = _mm_unpacklo_epi64(T0, T1); - B1.reg = _mm_unpackhi_epi64(T0, T1); - B2.reg = _mm_unpacklo_epi64(T2, T3); - B3.reg = _mm_unpackhi_epi64(T2, T3); - } - - private: - SIMD_SSE2(__m128i in) { reg = in; } - - __m128i reg; - }; - -} - -#endif - -#endif |