136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
/* SPDX-License-Identifier: MIT
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* Copyright:
|
|
* 2020 Evan Nemerson <evan@nemerson.com>
|
|
* 2020 Christopher Moore <moore@free.fr>
|
|
*/
|
|
|
|
#if !defined(SIMDE_ARM_NEON_REV16_H)
|
|
#define SIMDE_ARM_NEON_REV16_H
|
|
|
|
#include "reinterpret.h"
|
|
#include "types.h"
|
|
|
|
HEDLEY_DIAGNOSTIC_PUSH
|
|
SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
|
|
SIMDE_BEGIN_DECLS_
|
|
|
|
SIMDE_FUNCTION_ATTRIBUTES
|
|
simde_int8x8_t
|
|
simde_vrev16_s8(simde_int8x8_t a) {
|
|
#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
|
|
return vrev16_s8(a);
|
|
#else
|
|
simde_int8x8_private
|
|
r_,
|
|
a_ = simde_int8x8_to_private(a);
|
|
|
|
#if defined(SIMDE_X86_SSSE3_NATIVE) && defined(SIMDE_X86_MMX_NATIVE)
|
|
r_.m64 = _mm_shuffle_pi8(a_.m64, _mm_set_pi8(6, 7, 4, 5, 2, 3, 0, 1));
|
|
#elif defined(SIMDE_SHUFFLE_VECTOR_) && !defined(SIMDE_BUG_GCC_100762)
|
|
r_.values = SIMDE_SHUFFLE_VECTOR_(8, 8, a_.values, a_.values, 1, 0, 3, 2, 5, 4, 7, 6);
|
|
#else
|
|
SIMDE_VECTORIZE
|
|
for (size_t i = 0 ; i < (sizeof(r_.values) / sizeof(r_.values[0])) ; i++) {
|
|
r_.values[i] = a_.values[i ^ 1];
|
|
}
|
|
#endif
|
|
|
|
return simde_int8x8_from_private(r_);
|
|
#endif
|
|
}
|
|
#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
|
|
#undef vrev16_s8
|
|
#define vrev16_s8(a) simde_vrev16_s8(a)
|
|
#endif
|
|
|
|
SIMDE_FUNCTION_ATTRIBUTES
|
|
simde_uint8x8_t
|
|
simde_vrev16_u8(simde_uint8x8_t a) {
|
|
#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
|
|
return vrev16_u8(a);
|
|
#else
|
|
return simde_vreinterpret_u8_s8(simde_vrev16_s8(simde_vreinterpret_s8_u8(a)));
|
|
#endif
|
|
}
|
|
#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
|
|
#undef vrev16_u8
|
|
#define vrev16_u8(a) simde_vrev16_u8(a)
|
|
#endif
|
|
|
|
SIMDE_FUNCTION_ATTRIBUTES
|
|
simde_int8x16_t
|
|
simde_vrev16q_s8(simde_int8x16_t a) {
|
|
#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
|
|
return vrev16q_s8(a);
|
|
#elif defined(SIMDE_POWER_ALTIVEC_P8_NATIVE)
|
|
return HEDLEY_REINTERPRET_CAST(SIMDE_POWER_ALTIVEC_VECTOR(signed char),
|
|
vec_revb(HEDLEY_REINTERPRET_CAST(SIMDE_POWER_ALTIVEC_VECTOR(signed short), a)));
|
|
#elif defined(SIMDE_POWER_ALTIVEC_P7_NATIVE)
|
|
return HEDLEY_REINTERPRET_CAST(SIMDE_POWER_ALTIVEC_VECTOR(signed char),
|
|
vec_reve(HEDLEY_REINTERPRET_CAST(SIMDE_POWER_ALTIVEC_VECTOR(signed short), vec_reve(a))));
|
|
#else
|
|
simde_int8x16_private
|
|
r_,
|
|
a_ = simde_int8x16_to_private(a);
|
|
|
|
#if defined(SIMDE_X86_SSSE3_NATIVE)
|
|
r_.m128i = _mm_shuffle_epi8(a_.m128i, _mm_set_epi8(14, 15, 12, 13, 10, 11, 8, 9, 6, 7, 4, 5, 2, 3, 0, 1));
|
|
#elif defined(SIMDE_WASM_SIMD128_NATIVE)
|
|
r_.v128 = wasm_i8x16_shuffle(a_.v128, a_.v128, 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14);
|
|
#elif defined(SIMDE_SHUFFLE_VECTOR_)
|
|
r_.values = SIMDE_SHUFFLE_VECTOR_(8, 16, a_.values, a_.values, 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14);
|
|
#else
|
|
SIMDE_VECTORIZE
|
|
for (size_t i = 0 ; i < (sizeof(r_.values) / sizeof(r_.values[0])) ; i++) {
|
|
r_.values[i] = a_.values[i ^ 1];
|
|
}
|
|
#endif
|
|
|
|
return simde_int8x16_from_private(r_);
|
|
#endif
|
|
}
|
|
#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
|
|
#undef vrev16q_s8
|
|
#define vrev16q_s8(a) simde_vrev16q_s8(a)
|
|
#endif
|
|
|
|
SIMDE_FUNCTION_ATTRIBUTES
|
|
simde_uint8x16_t
|
|
simde_vrev16q_u8(simde_uint8x16_t a) {
|
|
#if defined(SIMDE_ARM_NEON_A32V7_NATIVE)
|
|
return vrev16q_u8(a);
|
|
#else
|
|
return simde_vreinterpretq_u8_s8(simde_vrev16q_s8(simde_vreinterpretq_s8_u8(a)));
|
|
#endif
|
|
}
|
|
#if defined(SIMDE_ARM_NEON_A32V7_ENABLE_NATIVE_ALIASES)
|
|
#undef vrev16q_u8
|
|
#define vrev16q_u8(a) simde_vrev16q_u8(a)
|
|
#endif
|
|
|
|
SIMDE_END_DECLS_
|
|
HEDLEY_DIAGNOSTIC_POP
|
|
|
|
#endif /* !defined(SIMDE_ARM_NEON_REV16_H) */
|