Botan 2.19.5 Crypto and TLS for C&

simd_32.h
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1/*
2* Lightweight wrappers for SIMD operations
3* (C) 2009,2011,2016,2017,2019 Jack Lloyd
4*
5* Botan is released under the Simplified BSD License (see license.txt)
6*/
7
8#ifndef BOTAN_SIMD_32_H_
9#define BOTAN_SIMD_32_H_
10
11#include <botan/types.h>
12
13#if defined(BOTAN_TARGET_SUPPORTS_SSE2)
14 #include <emmintrin.h>
15 #define BOTAN_SIMD_USE_SSE2
16
17#elif defined(BOTAN_TARGET_SUPPORTS_ALTIVEC)
18 #include <botan/bswap.h>
19 #include <botan/loadstor.h>
20 #include <altivec.h>
21 #undef vector
22 #undef bool
23 #define BOTAN_SIMD_USE_ALTIVEC
24
25#elif defined(BOTAN_TARGET_SUPPORTS_NEON)
26 #include <botan/cpuid.h>
27 #include <arm_neon.h>
28 #define BOTAN_SIMD_USE_NEON
29
30#else
31 #error "No SIMD instruction set enabled"
32#endif
33
34#if defined(BOTAN_SIMD_USE_SSE2)
35 #define BOTAN_SIMD_ISA "sse2"
36 #define BOTAN_VPERM_ISA "ssse3"
37 #define BOTAN_CLMUL_ISA "pclmul"
38#elif defined(BOTAN_SIMD_USE_NEON)
39 #if defined(BOTAN_TARGET_ARCH_IS_ARM64)
40 #define BOTAN_SIMD_ISA "+simd"
41 #define BOTAN_CLMUL_ISA "+crypto"
42 #else
43 #define BOTAN_SIMD_ISA "fpu=neon"
44 #endif
45 #define BOTAN_VPERM_ISA BOTAN_SIMD_ISA
46#elif defined(BOTAN_SIMD_USE_ALTIVEC)
47 #define BOTAN_SIMD_ISA "altivec"
48 #define BOTAN_VPERM_ISA "altivec"
49 #define BOTAN_CLMUL_ISA "crypto"
50#endif
51
52 namespace Botan {
53
54#if defined(BOTAN_SIMD_USE_SSE2)
55 typedef __m128i native_simd_type;
56#elif defined(BOTAN_SIMD_USE_ALTIVEC)
57 typedef __vector unsigned int native_simd_type;
58#elif defined(BOTAN_SIMD_USE_NEON)
59 typedef uint32x4_t native_simd_type;
60#endif
61
62/**
63* 4x32 bit SIMD register
64*
65* This class is not a general purpose SIMD type, and only offers
66* instructions needed for evaluation of specific crypto primitives.
67* For example it does not currently have equality operators of any
68* kind.
69*
70* Implemented for SSE2, VMX (Altivec), and NEON.
71*/
72 class SIMD_4x32 final
73 {
74 public:
75
76 SIMD_4x32& operator=(const SIMD_4x32& other) = default;
77 SIMD_4x32(const SIMD_4x32& other) = default;
78
79 SIMD_4x32& operator=(SIMD_4x32&& other) = default;
80 SIMD_4x32(SIMD_4x32&& other) = default;
81
82 /**
83 * Zero initialize SIMD register with 4 32-bit elements
84 */
85 SIMD_4x32() // zero initialized
86 {
87#if defined(BOTAN_SIMD_USE_SSE2)
88 m_simd = _mm_setzero_si128();
89#elif defined(BOTAN_SIMD_USE_ALTIVEC)
90 m_simd = vec_splat_u32(0);
91#elif defined(BOTAN_SIMD_USE_NEON)
92 m_simd = vdupq_n_u32(0);
93#endif
94 }
95
96 /**
97 * Load SIMD register with 4 32-bit elements
98 */
99 explicit SIMD_4x32(const uint32_t B[4])
100 {
101#if defined(BOTAN_SIMD_USE_SSE2)
102 m_simd = _mm_loadu_si128(reinterpret_cast<const __m128i*>(B));
103#elif defined(BOTAN_SIMD_USE_ALTIVEC)
104 __vector unsigned int val = { B[0], B[1], B[2], B[3]};
105 m_simd = val;
106#elif defined(BOTAN_SIMD_USE_NEON)
107 m_simd = vld1q_u32(B);
108#endif
109 }
110
111 /**
112 * Load SIMD register with 4 32-bit elements
113 */
114 SIMD_4x32(uint32_t B0, uint32_t B1, uint32_t B2, uint32_t B3)
115 {
116#if defined(BOTAN_SIMD_USE_SSE2)
117 m_simd = _mm_set_epi32(B3, B2, B1, B0);
118#elif defined(BOTAN_SIMD_USE_ALTIVEC)
119 __vector unsigned int val = {B0, B1, B2, B3};
120 m_simd = val;
121#elif defined(BOTAN_SIMD_USE_NEON)
122 // Better way to do this?
123 const uint32_t B[4] = { B0, B1, B2, B3 };
124 m_simd = vld1q_u32(B);
125#endif
126 }
127
128 /**
129 * Load SIMD register with one 32-bit element repeated
130 */
131 static SIMD_4x32 splat(uint32_t B)
132 {
133#if defined(BOTAN_SIMD_USE_SSE2)
134 return SIMD_4x32(_mm_set1_epi32(B));
135#elif defined(BOTAN_SIMD_USE_NEON)
136 return SIMD_4x32(vdupq_n_u32(B));
137#else
138 return SIMD_4x32(B, B, B, B);
139#endif
140 }
141
142 /**
143 * Load SIMD register with one 8-bit element repeated
144 */
145 static SIMD_4x32 splat_u8(uint8_t B)
146 {
147#if defined(BOTAN_SIMD_USE_SSE2)
148 return SIMD_4x32(_mm_set1_epi8(B));
149#elif defined(BOTAN_SIMD_USE_NEON)
150 return SIMD_4x32(vreinterpretq_u32_u8(vdupq_n_u8(B)));
151#else
152 const uint32_t B4 = make_uint32(B, B, B, B);
153 return SIMD_4x32(B4, B4, B4, B4);
154#endif
155 }
156
157 /**
158 * Load a SIMD register with little-endian convention
159 */
160 static SIMD_4x32 load_le(const void* in)
161 {
162#if defined(BOTAN_SIMD_USE_SSE2)
163 return SIMD_4x32(_mm_loadu_si128(reinterpret_cast<const __m128i*>(in)));
164#elif defined(BOTAN_SIMD_USE_ALTIVEC)
165 uint32_t R[4];
166 Botan::load_le(R, static_cast<const uint8_t*>(in), 4);
167 return SIMD_4x32(R);
168#elif defined(BOTAN_SIMD_USE_NEON)
169 SIMD_4x32 l(vld1q_u32(static_cast<const uint32_t*>(in)));
170 return CPUID::is_big_endian() ? l.bswap() : l;
171#endif
172 }
173
174 /**
175 * Load a SIMD register with big-endian convention
176 */
177 static SIMD_4x32 load_be(const void* in)
178 {
179#if defined(BOTAN_SIMD_USE_SSE2)
180 return load_le(in).bswap();
181
182#elif defined(BOTAN_SIMD_USE_ALTIVEC)
183 uint32_t R[4];
184 Botan::load_be(R, static_cast<const uint8_t*>(in), 4);
185 return SIMD_4x32(R);
186
187#elif defined(BOTAN_SIMD_USE_NEON)
188 SIMD_4x32 l(vld1q_u32(static_cast<const uint32_t*>(in)));
189 return CPUID::is_little_endian() ? l.bswap() : l;
190#endif
191 }
192
193 void store_le(uint32_t out[4]) const
194 {
195 this->store_le(reinterpret_cast<uint8_t*>(out));
196 }
197
198 void store_le(uint64_t out[2]) const
199 {
200 this->store_le(reinterpret_cast<uint8_t*>(out));
201 }
202
203 /**
204 * Load a SIMD register with little-endian convention
205 */
206 void store_le(uint8_t out[]) const
207 {
208#if defined(BOTAN_SIMD_USE_SSE2)
209
210 _mm_storeu_si128(reinterpret_cast<__m128i*>(out), raw());
211
212#elif defined(BOTAN_SIMD_USE_ALTIVEC)
213
214 union {
215 __vector unsigned int V;
216 uint32_t R[4];
217 } vec;
218 vec.V = raw();
219 Botan::store_le(out, vec.R[0], vec.R[1], vec.R[2], vec.R[3]);
220
221#elif defined(BOTAN_SIMD_USE_NEON)
222 if(CPUID::is_little_endian())
223 {
224 vst1q_u8(out, vreinterpretq_u8_u32(m_simd));
225 }
226 else
227 {
228 vst1q_u8(out, vreinterpretq_u8_u32(bswap().m_simd));
229 }
230#endif
231 }
232
233 /**
234 * Load a SIMD register with big-endian convention
235 */
236 void store_be(uint8_t out[]) const
237 {
238#if defined(BOTAN_SIMD_USE_SSE2)
239
240 bswap().store_le(out);
241
242#elif defined(BOTAN_SIMD_USE_ALTIVEC)
243
244 union {
245 __vector unsigned int V;
246 uint32_t R[4];
247 } vec;
248 vec.V = m_simd;
249 Botan::store_be(out, vec.R[0], vec.R[1], vec.R[2], vec.R[3]);
250
251#elif defined(BOTAN_SIMD_USE_NEON)
252 if(CPUID::is_little_endian())
253 {
254 vst1q_u8(out, vreinterpretq_u8_u32(bswap().m_simd));
255 }
256 else
257 {
258 vst1q_u8(out, vreinterpretq_u8_u32(m_simd));
259 }
260#endif
261 }
262
263 /*
264 * This is used for SHA-2/SHACAL2
265 * Return rotr(ROT1) ^ rotr(ROT2) ^ rotr(ROT3)
266 */
267 template<size_t ROT1, size_t ROT2, size_t ROT3>
268 SIMD_4x32 rho() const
269 {
270 const SIMD_4x32 rot1 = this->rotr<ROT1>();
271 const SIMD_4x32 rot2 = this->rotr<ROT2>();
272 const SIMD_4x32 rot3 = this->rotr<ROT3>();
273 return (rot1 ^ rot2 ^ rot3);
274 }
275
276 /**
277 * Left rotation by a compile time constant
278 */
279 template<size_t ROT>
280 SIMD_4x32 rotl() const
281 {
282 static_assert(ROT > 0 && ROT < 32, "Invalid rotation constant");
283
284#if defined(BOTAN_SIMD_USE_SSE2)
285
286 return SIMD_4x32(_mm_or_si128(_mm_slli_epi32(m_simd, static_cast<int>(ROT)),
287 _mm_srli_epi32(m_simd, static_cast<int>(32-ROT))));
288
289#elif defined(BOTAN_SIMD_USE_ALTIVEC)
290
291 const unsigned int r = static_cast<unsigned int>(ROT);
292 __vector unsigned int rot = {r, r, r, r};
293 return SIMD_4x32(vec_rl(m_simd, rot));
294
295#elif defined(BOTAN_SIMD_USE_NEON)
296
297#if defined(BOTAN_TARGET_ARCH_IS_ARM64)
298
299 BOTAN_IF_CONSTEXPR(ROT == 8)
300 {
301 const uint8_t maskb[16] = { 3,0,1,2, 7,4,5,6, 11,8,9,10, 15,12,13,14 };
302 const uint8x16_t mask = vld1q_u8(maskb);
303 return SIMD_4x32(vreinterpretq_u32_u8(vqtbl1q_u8(vreinterpretq_u8_u32(m_simd), mask)));
304 }
305 else BOTAN_IF_CONSTEXPR(ROT == 16)
306 {
307 return SIMD_4x32(vreinterpretq_u32_u16(vrev32q_u16(vreinterpretq_u16_u32(m_simd))));
308 }
309#endif
310 return SIMD_4x32(vorrq_u32(vshlq_n_u32(m_simd, static_cast<int>(ROT)),
311 vshrq_n_u32(m_simd, static_cast<int>(32-ROT))));
312#endif
313 }
314
315 /**
316 * Right rotation by a compile time constant
317 */
318 template<size_t ROT>
319 SIMD_4x32 rotr() const
320 {
321 return this->rotl<32-ROT>();
322 }
323
324 /**
325 * Add elements of a SIMD vector
326 */
327 SIMD_4x32 operator+(const SIMD_4x32& other) const
328 {
329 SIMD_4x32 retval(*this);
330 retval += other;
331 return retval;
332 }
333
334 /**
335 * Subtract elements of a SIMD vector
336 */
337 SIMD_4x32 operator-(const SIMD_4x32& other) const
338 {
339 SIMD_4x32 retval(*this);
340 retval -= other;
341 return retval;
342 }
343
344 /**
345 * XOR elements of a SIMD vector
346 */
347 SIMD_4x32 operator^(const SIMD_4x32& other) const
348 {
349 SIMD_4x32 retval(*this);
350 retval ^= other;
351 return retval;
352 }
353
354 /**
355 * Binary OR elements of a SIMD vector
356 */
357 SIMD_4x32 operator|(const SIMD_4x32& other) const
358 {
359 SIMD_4x32 retval(*this);
360 retval |= other;
361 return retval;
362 }
363
364 /**
365 * Binary AND elements of a SIMD vector
366 */
367 SIMD_4x32 operator&(const SIMD_4x32& other) const
368 {
369 SIMD_4x32 retval(*this);
370 retval &= other;
371 return retval;
372 }
373
374 void operator+=(const SIMD_4x32& other)
375 {
376#if defined(BOTAN_SIMD_USE_SSE2)
377 m_simd = _mm_add_epi32(m_simd, other.m_simd);
378#elif defined(BOTAN_SIMD_USE_ALTIVEC)
379 m_simd = vec_add(m_simd, other.m_simd);
380#elif defined(BOTAN_SIMD_USE_NEON)
381 m_simd = vaddq_u32(m_simd, other.m_simd);
382#endif
383 }
384
385 void operator-=(const SIMD_4x32& other)
386 {
387#if defined(BOTAN_SIMD_USE_SSE2)
388 m_simd = _mm_sub_epi32(m_simd, other.m_simd);
389#elif defined(BOTAN_SIMD_USE_ALTIVEC)
390 m_simd = vec_sub(m_simd, other.m_simd);
391#elif defined(BOTAN_SIMD_USE_NEON)
392 m_simd = vsubq_u32(m_simd, other.m_simd);
393#endif
394 }
395
396 void operator^=(const SIMD_4x32& other)
397 {
398#if defined(BOTAN_SIMD_USE_SSE2)
399 m_simd = _mm_xor_si128(m_simd, other.m_simd);
400
401#elif defined(BOTAN_SIMD_USE_ALTIVEC)
402 m_simd = vec_xor(m_simd, other.m_simd);
403#elif defined(BOTAN_SIMD_USE_NEON)
404 m_simd = veorq_u32(m_simd, other.m_simd);
405#endif
406 }
407
408 void operator|=(const SIMD_4x32& other)
409 {
410#if defined(BOTAN_SIMD_USE_SSE2)
411 m_simd = _mm_or_si128(m_simd, other.m_simd);
412#elif defined(BOTAN_SIMD_USE_ALTIVEC)
413 m_simd = vec_or(m_simd, other.m_simd);
414#elif defined(BOTAN_SIMD_USE_NEON)
415 m_simd = vorrq_u32(m_simd, other.m_simd);
416#endif
417 }
418
419 void operator&=(const SIMD_4x32& other)
420 {
421#if defined(BOTAN_SIMD_USE_SSE2)
422 m_simd = _mm_and_si128(m_simd, other.m_simd);
423#elif defined(BOTAN_SIMD_USE_ALTIVEC)
424 m_simd = vec_and(m_simd, other.m_simd);
425#elif defined(BOTAN_SIMD_USE_NEON)
426 m_simd = vandq_u32(m_simd, other.m_simd);
427#endif
428 }
429
430
431 template<int SHIFT> SIMD_4x32 shl() const
432 {
433 static_assert(SHIFT > 0 && SHIFT <= 31, "Invalid shift count");
434
435#if defined(BOTAN_SIMD_USE_SSE2)
436 return SIMD_4x32(_mm_slli_epi32(m_simd, SHIFT));
437
438#elif defined(BOTAN_SIMD_USE_ALTIVEC)
439 const unsigned int s = static_cast<unsigned int>(SHIFT);
440 const __vector unsigned int shifts = {s, s, s, s};
441 return SIMD_4x32(vec_sl(m_simd, shifts));
442#elif defined(BOTAN_SIMD_USE_NEON)
443 return SIMD_4x32(vshlq_n_u32(m_simd, SHIFT));
444#endif
445 }
446
447 template<int SHIFT> SIMD_4x32 shr() const
448 {
449#if defined(BOTAN_SIMD_USE_SSE2)
450 return SIMD_4x32(_mm_srli_epi32(m_simd, SHIFT));
451
452#elif defined(BOTAN_SIMD_USE_ALTIVEC)
453 const unsigned int s = static_cast<unsigned int>(SHIFT);
454 const __vector unsigned int shifts = {s, s, s, s};
455 return SIMD_4x32(vec_sr(m_simd, shifts));
456#elif defined(BOTAN_SIMD_USE_NEON)
457 return SIMD_4x32(vshrq_n_u32(m_simd, SHIFT));
458#endif
459 }
460
461 SIMD_4x32 operator~() const
462 {
463#if defined(BOTAN_SIMD_USE_SSE2)
464 return SIMD_4x32(_mm_xor_si128(m_simd, _mm_set1_epi32(0xFFFFFFFF)));
465#elif defined(BOTAN_SIMD_USE_ALTIVEC)
466 return SIMD_4x32(vec_nor(m_simd, m_simd));
467#elif defined(BOTAN_SIMD_USE_NEON)
468 return SIMD_4x32(vmvnq_u32(m_simd));
469#endif
470 }
471
472 // (~reg) & other
473 SIMD_4x32 andc(const SIMD_4x32& other) const
474 {
475#if defined(BOTAN_SIMD_USE_SSE2)
476 return SIMD_4x32(_mm_andnot_si128(m_simd, other.m_simd));
477#elif defined(BOTAN_SIMD_USE_ALTIVEC)
478 /*
479 AltiVec does arg1 & ~arg2 rather than SSE's ~arg1 & arg2
480 so swap the arguments
481 */
482 return SIMD_4x32(vec_andc(other.m_simd, m_simd));
483#elif defined(BOTAN_SIMD_USE_NEON)
484 // NEON is also a & ~b
485 return SIMD_4x32(vbicq_u32(other.m_simd, m_simd));
486#endif
487 }
488
489 /**
490 * Return copy *this with each word byte swapped
491 */
492 SIMD_4x32 bswap() const
493 {
494#if defined(BOTAN_SIMD_USE_SSE2)
495
496 __m128i T = m_simd;
497 T = _mm_shufflehi_epi16(T, _MM_SHUFFLE(2, 3, 0, 1));
498 T = _mm_shufflelo_epi16(T, _MM_SHUFFLE(2, 3, 0, 1));
499 return SIMD_4x32(_mm_or_si128(_mm_srli_epi16(T, 8), _mm_slli_epi16(T, 8)));
500
501#elif defined(BOTAN_SIMD_USE_ALTIVEC)
502
503 union {
504 __vector unsigned int V;
505 uint32_t R[4];
506 } vec;
507
508 vec.V = m_simd;
509 bswap_4(vec.R);
510 return SIMD_4x32(vec.R[0], vec.R[1], vec.R[2], vec.R[3]);
511
512#elif defined(BOTAN_SIMD_USE_NEON)
513 return SIMD_4x32(vreinterpretq_u32_u8(vrev32q_u8(vreinterpretq_u8_u32(m_simd))));
514#endif
515 }
516
517 template<size_t I>
518 SIMD_4x32 shift_elems_left() const
519 {
520 static_assert(I <= 3, "Invalid shift count");
521
522#if defined(BOTAN_SIMD_USE_SSE2)
523 return SIMD_4x32(_mm_slli_si128(raw(), 4*I));
524#elif defined(BOTAN_SIMD_USE_NEON)
525 return SIMD_4x32(vextq_u32(vdupq_n_u32(0), raw(), 4-I));
526#elif defined(BOTAN_SIMD_USE_ALTIVEC)
527 const __vector unsigned int zero = vec_splat_u32(0);
528
529 const __vector unsigned char shuf[3] = {
530 { 16, 17, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 },
531 { 16, 17, 18, 19, 20, 21, 22, 23, 0, 1, 2, 3, 4, 5, 6, 7 },
532 { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 0, 1, 2, 3 },
533 };
534
535 return SIMD_4x32(vec_perm(raw(), zero, shuf[I-1]));
536#endif
537 }
538
539 template<size_t I>
540 SIMD_4x32 shift_elems_right() const
541 {
542 static_assert(I <= 3, "Invalid shift count");
543
544#if defined(BOTAN_SIMD_USE_SSE2)
545 return SIMD_4x32(_mm_srli_si128(raw(), 4*I));
546#elif defined(BOTAN_SIMD_USE_NEON)
547 return SIMD_4x32(vextq_u32(raw(), vdupq_n_u32(0), I));
548#elif defined(BOTAN_SIMD_USE_ALTIVEC)
549 const __vector unsigned int zero = vec_splat_u32(0);
550
551 const __vector unsigned char shuf[3] = {
552 { 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 },
553 { 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 },
554 { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 },
555 };
556
557 return SIMD_4x32(vec_perm(raw(), zero, shuf[I-1]));
558#endif
559 }
560
561 /**
562 * 4x4 Transposition on SIMD registers
563 */
564 static void transpose(SIMD_4x32& B0, SIMD_4x32& B1,
565 SIMD_4x32& B2, SIMD_4x32& B3)
566 {
567#if defined(BOTAN_SIMD_USE_SSE2)
568 const __m128i T0 = _mm_unpacklo_epi32(B0.m_simd, B1.m_simd);
569 const __m128i T1 = _mm_unpacklo_epi32(B2.m_simd, B3.m_simd);
570 const __m128i T2 = _mm_unpackhi_epi32(B0.m_simd, B1.m_simd);
571 const __m128i T3 = _mm_unpackhi_epi32(B2.m_simd, B3.m_simd);
572
573 B0.m_simd = _mm_unpacklo_epi64(T0, T1);
574 B1.m_simd = _mm_unpackhi_epi64(T0, T1);
575 B2.m_simd = _mm_unpacklo_epi64(T2, T3);
576 B3.m_simd = _mm_unpackhi_epi64(T2, T3);
577#elif defined(BOTAN_SIMD_USE_ALTIVEC)
578 const __vector unsigned int T0 = vec_mergeh(B0.m_simd, B2.m_simd);
579 const __vector unsigned int T1 = vec_mergeh(B1.m_simd, B3.m_simd);
580 const __vector unsigned int T2 = vec_mergel(B0.m_simd, B2.m_simd);
581 const __vector unsigned int T3 = vec_mergel(B1.m_simd, B3.m_simd);
582
583 B0.m_simd = vec_mergeh(T0, T1);
584 B1.m_simd = vec_mergel(T0, T1);
585 B2.m_simd = vec_mergeh(T2, T3);
586 B3.m_simd = vec_mergel(T2, T3);
587
588#elif defined(BOTAN_SIMD_USE_NEON) && defined(BOTAN_TARGET_ARCH_IS_ARM32)
589 const uint32x4x2_t T0 = vzipq_u32(B0.m_simd, B2.m_simd);
590 const uint32x4x2_t T1 = vzipq_u32(B1.m_simd, B3.m_simd);
591 const uint32x4x2_t O0 = vzipq_u32(T0.val[0], T1.val[0]);
592 const uint32x4x2_t O1 = vzipq_u32(T0.val[1], T1.val[1]);
593
594 B0.m_simd = O0.val[0];
595 B1.m_simd = O0.val[1];
596 B2.m_simd = O1.val[0];
597 B3.m_simd = O1.val[1];
598
599#elif defined(BOTAN_SIMD_USE_NEON) && defined(BOTAN_TARGET_ARCH_IS_ARM64)
600 const uint32x4_t T0 = vzip1q_u32(B0.m_simd, B2.m_simd);
601 const uint32x4_t T2 = vzip2q_u32(B0.m_simd, B2.m_simd);
602 const uint32x4_t T1 = vzip1q_u32(B1.m_simd, B3.m_simd);
603 const uint32x4_t T3 = vzip2q_u32(B1.m_simd, B3.m_simd);
604
605 B0.m_simd = vzip1q_u32(T0, T1);
606 B1.m_simd = vzip2q_u32(T0, T1);
607 B2.m_simd = vzip1q_u32(T2, T3);
608 B3.m_simd = vzip2q_u32(T2, T3);
609#endif
610 }
611
612 native_simd_type raw() const BOTAN_FUNC_ISA(BOTAN_SIMD_ISA) { return m_simd; }
613
614 explicit SIMD_4x32(native_simd_type x) : m_simd(x) {}
615 private:
616 native_simd_type m_simd;
617 };
618
619}
620
621#endif
Botan::CPUID::is_little_endian
static bool is_little_endian()
Definition: cpuid.h:73
Botan::CPUID::is_big_endian
static bool is_big_endian()
Definition: cpuid.h:84
Botan::SIMD_4x32
Definition: simd_32.h:73
Botan::SIMD_4x32::raw
native_simd_type raw() const BOTAN_FUNC_ISA(BOTAN_SIMD_ISA)
Definition: simd_32.h:612
Botan::SIMD_4x32::SIMD_4x32
SIMD_4x32(SIMD_4x32 &&other)=default
Botan::SIMD_4x32::operator-=
void operator-=(const SIMD_4x32 &other)
Definition: simd_32.h:385
Botan::SIMD_4x32::operator+=
void operator+=(const SIMD_4x32 &other)
Definition: simd_32.h:374
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SIMD_4x32 shr() const
Definition: simd_32.h:447
Botan::SIMD_4x32::operator=
SIMD_4x32 & operator=(SIMD_4x32 &&other)=default
Botan::SIMD_4x32::rotl
SIMD_4x32 rotl() const
Definition: simd_32.h:280
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static SIMD_4x32 splat(uint32_t B)
Definition: simd_32.h:131
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void store_le(uint8_t out[]) const
Definition: simd_32.h:206
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SIMD_4x32 operator&(const SIMD_4x32 &other) const
Definition: simd_32.h:367
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void store_le(uint32_t out[4]) const
Definition: simd_32.h:193
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SIMD_4x32(uint32_t B0, uint32_t B1, uint32_t B2, uint32_t B3)
Definition: simd_32.h:114
Botan::SIMD_4x32::operator&=
void operator&=(const SIMD_4x32 &other)
Definition: simd_32.h:419
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SIMD_4x32(const SIMD_4x32 &other)=default
Botan::SIMD_4x32::operator|
SIMD_4x32 operator|(const SIMD_4x32 &other) const
Definition: simd_32.h:357
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SIMD_4x32 shift_elems_left() const
Definition: simd_32.h:518
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static SIMD_4x32 splat_u8(uint8_t B)
Definition: simd_32.h:145
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SIMD_4x32 andc(const SIMD_4x32 &other) const
Definition: simd_32.h:473
Botan::SIMD_4x32::bswap
SIMD_4x32 bswap() const
Definition: simd_32.h:492
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static void transpose(SIMD_4x32 &B0, SIMD_4x32 &B1, SIMD_4x32 &B2, SIMD_4x32 &B3)
Definition: simd_32.h:564
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SIMD_4x32(const uint32_t B[4])
Definition: simd_32.h:99
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static SIMD_4x32 load_be(const void *in)
Definition: simd_32.h:177
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SIMD_4x32()
Definition: simd_32.h:85
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SIMD_4x32 operator-(const SIMD_4x32 &other) const
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Definition: simd_32.h:236
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Definition: simd_32.h:408
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SIMD_4x32 & operator=(const SIMD_4x32 &other)=default
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SIMD_4x32 shl() const
Definition: simd_32.h:431
Botan::SIMD_4x32::operator^
SIMD_4x32 operator^(const SIMD_4x32 &other) const
Definition: simd_32.h:347
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SIMD_4x32 operator+(const SIMD_4x32 &other) const
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Definition: simd_32.h:461
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Definition: simd_32.h:268
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Definition: simd_32.h:396
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Definition: simd_32.h:160
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Definition: simd_32.h:614
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Definition: simd_32.h:540
final
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Definition: compiler.h:176
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fe T
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Definition: alg_id.cpp:13
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Definition: bswap.h:94
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