1 /* 2 * Copyright (c) 2017 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_DSP_PPC_TYPES_VSX_H_ 12 #define VPX_DSP_PPC_TYPES_VSX_H_ 13 14 #include <altivec.h> 15 16 typedef vector signed char int8x16_t; 17 typedef vector unsigned char uint8x16_t; 18 typedef vector signed short int16x8_t; 19 typedef vector unsigned short uint16x8_t; 20 typedef vector signed int int32x4_t; 21 typedef vector unsigned int uint32x4_t; 22 23 #ifdef __clang__ 24 static const uint8x16_t xxpermdi0_perm = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 25 0x06, 0x07, 0x10, 0x11, 0x12, 0x13, 26 0x14, 0x15, 0x16, 0x17 }; 27 static const uint8x16_t xxpermdi1_perm = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 28 0x06, 0x07, 0x18, 0x19, 0x1A, 0x1B, 29 0x1C, 0x1D, 0x1E, 0x1F }; 30 static const uint8x16_t xxpermdi2_perm = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 31 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 32 0x14, 0x15, 0x16, 0x17 }; 33 static const uint8x16_t xxpermdi3_perm = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 34 0x0E, 0x0F, 0x18, 0x19, 0x1A, 0x1B, 35 0x1C, 0x1D, 0x1E, 0x1F }; 36 #define xxpermdi(a, b, c) vec_perm(a, b, xxpermdi##c##_perm) 37 #elif defined(__GNUC__) && \ 38 (__GNUC__ > 6 || (__GNUC__ == 6 && __GNUC_MINOR__ >= 3)) 39 #define xxpermdi(a, b, c) vec_xxpermdi(a, b, c) 40 #endif 41 42 #ifdef WORDS_BIGENDIAN 43 #define unpack_to_u16_h(v) \ 44 (uint16x8_t) vec_mergeh(vec_splat_u8(0), (uint8x16_t)v) 45 #define unpack_to_u16_l(v) \ 46 (uint16x8_t) vec_mergel(vec_splat_u8(0), (uint8x16_t)v) 47 #define unpack_to_s16_h(v) \ 48 (int16x8_t) vec_mergeh(vec_splat_u8(0), (uint8x16_t)v) 49 #define unpack_to_s16_l(v) \ 50 (int16x8_t) vec_mergel(vec_splat_u8(0), (uint8x16_t)v) 51 #ifndef xxpermdi 52 #define xxpermdi(a, b, c) vec_xxpermdi(a, b, c) 53 #endif 54 #else 55 #define unpack_to_u16_h(v) \ 56 (uint16x8_t) vec_mergeh((uint8x16_t)v, vec_splat_u8(0)) 57 #define unpack_to_u16_l(v) \ 58 (uint16x8_t) vec_mergel((uint8x16_t)v, vec_splat_u8(0)) 59 #define unpack_to_s16_h(v) \ 60 (int16x8_t) vec_mergeh((uint8x16_t)v, vec_splat_u8(0)) 61 #define unpack_to_s16_l(v) \ 62 (int16x8_t) vec_mergel((uint8x16_t)v, vec_splat_u8(0)) 63 #ifndef xxpermdi 64 #define xxpermdi(a, b, c) vec_xxpermdi(b, a, ((c >> 1) | (c & 1) << 1) ^ 3) 65 #endif 66 #endif 67 68 #endif // VPX_DSP_PPC_TYPES_VSX_H_ 69
