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https://github.com/matrix-construct/construct
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ircd: Add intrinsic typedef header; update stringops unit.
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Jason Volk
parent
6a6ed91a27
commit
da92021818
2 changed files with 152 additions and 15 deletions
137
include/ircd/simd.h
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137
include/ircd/simd.h
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// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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//
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// This header is not included with the standard include group (ircd.h).
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// Include this header in specific units as necessary.
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//
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#pragma once
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#define HAVE_IRCD_INTRIN_H
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#include <RB_INC_X86INTRIN_H
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//
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// scalar
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//
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namespace ircd
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{
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typedef int8_t i8;
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typedef int16_t i16;
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typedef int32_t i32;
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typedef int64_t i64;
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typedef int128_t i128;
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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typedef uint128_t u128;
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typedef float f32;
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typedef double f64;
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typedef long double f128;
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}
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//
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// unsigned
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//
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#if defined(HAVE_X86INTRIN_H)
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namespace ircd
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{
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typedef __v32qu u8x32; // [0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|
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typedef __v16qu u8x16; // [0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|
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typedef __v16hu u16x16; // [_0_|_1_|_2_|_3_|_4_|_5_|_6_|_7_|_8_|_9_|_a_|_b_|_c_|_d_|_e_|_f_|
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typedef __v8hu u16x8; // [_0_|_1_|_2_|_3_|_4_|_5_|_6_|_7_|
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typedef __v16su u32x16;
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typedef __v8su u32x8; // [__0__|__1__|__2__|__3__|__4__|__5__|__6__|__7__|
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typedef __v4su u32x4; // [__0__|__1__|__2__|__3__|
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typedef __v4du u64x4; // [____0____|____1____|____2____|____3____|
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typedef __v2du u64x2; // [____0____|____1____|
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typedef __m128i u128x1; // [________0________|
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typedef __m128i_u u128x1_u; // unaligned
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typedef __m256i u256x1; // [________________0________________|
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typedef __m256i_u u256x1_u; // unaligned
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}
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#endif
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//
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// signed
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//
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#if defined(HAVE_X86INTRIN_H)
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namespace ircd
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{
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typedef __v32qi i8x32; // [0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|
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typedef __v16qi i8x16; // [0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|
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typedef __v16hi i16x16; // [_0_|_1_|_2_|_3_|_4_|_5_|_6_|_7_|_8_|_9_|_a_|_b_|_c_|_d_|_e_|_f_|
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typedef __v8hi i16x8; // [_0_|_1_|_2_|_3_|_4_|_5_|_6_|_7_|
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typedef __v16si i32x16;
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typedef __v8si i32x8; // [__0__|__1__|__2__|__3__|__4__|__5__|__6__|__7__|
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typedef __v4si i32x4; // [__0__|__1__|__2__|__3__|
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typedef __v4di i64x4; // [____0____|____1____|____2____|____3____|
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typedef __v2di i64x2; // [____0____|____1____|
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typedef __m128i i128x1; // [________0________]
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typedef __m128i_u i128x1_u; // unaligned
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typedef __m256i i256x1; // [________________0________________|
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typedef __m256i_u i256x1_u; // unaligned
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}
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#endif
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//
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// single precision
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//
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#if defined(HAVE_X86INTRIN_H)
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namespace ircd
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{
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typedef __v16qs f8x16; // [0|1|2|3|4|5|6|7|8|9|a|b|c|d|e|f|
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typedef __v8sf f32x8; // [__0__|__1__|__2__|__3__|__4__|__5__|__6__|__7__|
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typedef __v4sf f32x4; // [__0__|__1__|__2__|__3__|
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typedef __m128 f128x1; // [____|____0____|____|
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typedef __m128_u f128x1_u; // unaligned
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typedef __m256 f256x1; // [____|____|____|____0____|____|____|____|
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typedef __m256_u f256x1_u; // unaligned
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}
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#endif
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//
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// double precision
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//
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#if defined(HAVE_X86INTRIN_H)
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namespace ircd
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{
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typedef __v4df f64x4; // [____0____|____1____|____2____|____3____|
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typedef __v2df f64x2; // [____0____|____1____|
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typedef __m128d d128x1; // [________0________]
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typedef __m128d_u d128x1_u; // unaligned
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typedef __m256d d256x1; // [________|________0________|________|
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typedef __m256d_u d256x1_u; // unaligned
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}
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#endif
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//
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// other words
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//
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namespace ircd
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{
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struct pshuf_imm8;
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}
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/// Shuffle control structure. This represents an 8-bit immediate operand;
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/// note it can only be used if constexprs are allowed in your definition unit.
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struct ircd::pshuf_imm8
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{
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u8 dst3 : 2; // set src idx for word 3
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u8 dst2 : 2; // set src idx for word 2
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u8 dst1 : 2; // set src idx for word 1
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u8 dst0 : 2; // set src idx for word 0
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};
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@ -8,7 +8,7 @@
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#include <RB_INC_X86INTRIN_H
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#include <ircd/simd.h>
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ircd::string_view
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ircd::toupper(const mutable_buffer &out,
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@ -47,27 +47,27 @@ noexcept
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std::next(begin(in), std::min(size(in), size(out)))
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};
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const __m128i *src_
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const u128x1 *src_
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{
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reinterpret_cast<const __m128i *>(begin(in))
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reinterpret_cast<const u128x1 *>(begin(in))
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};
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__m128i *dst
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u128x1 *dst
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{
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reinterpret_cast<__m128i *>(begin(out))
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reinterpret_cast<u128x1 *>(begin(out))
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};
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while(intptr_t(src_) < intptr_t(stop) - ssize_t(sizeof(__m128i)))
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while(intptr_t(src_) < intptr_t(stop) - ssize_t(sizeof(u128x1)))
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{
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const __m128i lit_A1 { _mm_set1_epi8('A' - 1) };
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const __m128i lit_Z1 { _mm_set1_epi8('Z' + 1) };
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const __m128i addend { _mm_set1_epi8('a' - 'A') };
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const __m128i src { _mm_loadu_si128(src_++) };
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const __m128i gte_A { _mm_cmpgt_epi8(src, lit_A1) };
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const __m128i lte_Z { _mm_cmplt_epi8(src, lit_Z1) };
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const __m128i mask { _mm_and_si128(gte_A, lte_Z) };
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const __m128i ctrl_mask { _mm_and_si128(mask, addend) };
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const __m128i result { _mm_add_epi8(src, ctrl_mask) };
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const u128x1 lit_A1 { _mm_set1_epi8('A' - 1) };
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const u128x1 lit_Z1 { _mm_set1_epi8('Z' + 1) };
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const u128x1 addend { _mm_set1_epi8('a' - 'A') };
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const u128x1 src { _mm_loadu_si128(src_++) };
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const u128x1 gte_A { _mm_cmpgt_epi8(src, lit_A1) };
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const u128x1 lte_Z { _mm_cmplt_epi8(src, lit_Z1) };
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const u128x1 mask { _mm_and_si128(gte_A, lte_Z) };
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const u128x1 ctrl_mask { _mm_and_si128(mask, addend) };
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const u128x1 result { _mm_add_epi8(src, ctrl_mask) };
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_mm_storeu_si128(dst++, result);
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}
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