| /* |
| * Copyright (c) 2017 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef VPX_VPX_DSP_PPC_TYPES_VSX_H_ |
| #define VPX_VPX_DSP_PPC_TYPES_VSX_H_ |
| |
| #include <altivec.h> |
| |
| typedef vector signed char int8x16_t; |
| typedef vector unsigned char uint8x16_t; |
| typedef vector signed short int16x8_t; |
| typedef vector unsigned short uint16x8_t; |
| typedef vector signed int int32x4_t; |
| typedef vector unsigned int uint32x4_t; |
| typedef vector bool char bool8x16_t; |
| typedef vector bool short bool16x8_t; |
| typedef vector bool int bool32x4_t; |
| |
| #if defined(__clang__) && __clang_major__ < 6 |
| static const uint8x16_t xxpermdi0_perm = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, |
| 0x06, 0x07, 0x10, 0x11, 0x12, 0x13, |
| 0x14, 0x15, 0x16, 0x17 }; |
| static const uint8x16_t xxpermdi1_perm = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, |
| 0x06, 0x07, 0x18, 0x19, 0x1A, 0x1B, |
| 0x1C, 0x1D, 0x1E, 0x1F }; |
| static const uint8x16_t xxpermdi2_perm = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, |
| 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, |
| 0x14, 0x15, 0x16, 0x17 }; |
| static const uint8x16_t xxpermdi3_perm = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, |
| 0x0E, 0x0F, 0x18, 0x19, 0x1A, 0x1B, |
| 0x1C, 0x1D, 0x1E, 0x1F }; |
| #define xxpermdi(a, b, c) vec_perm(a, b, xxpermdi##c##_perm) |
| #elif defined(__GNUC__) && \ |
| (__GNUC__ > 6 || (__GNUC__ == 6 && __GNUC_MINOR__ >= 3)) |
| #define xxpermdi(a, b, c) vec_xxpermdi(a, b, c) |
| #endif |
| |
| #ifdef WORDS_BIGENDIAN |
| #define unpack_to_u16_h(v) \ |
| (uint16x8_t) vec_mergeh(vec_splat_u8(0), (uint8x16_t)v) |
| #define unpack_to_u16_l(v) \ |
| (uint16x8_t) vec_mergel(vec_splat_u8(0), (uint8x16_t)v) |
| #define unpack_to_s16_h(v) \ |
| (int16x8_t) vec_mergeh(vec_splat_u8(0), (uint8x16_t)v) |
| #define unpack_to_s16_l(v) \ |
| (int16x8_t) vec_mergel(vec_splat_u8(0), (uint8x16_t)v) |
| #ifndef xxpermdi |
| #define xxpermdi(a, b, c) vec_xxpermdi(a, b, c) |
| #endif |
| #else |
| #define unpack_to_u16_h(v) \ |
| (uint16x8_t) vec_mergeh((uint8x16_t)v, vec_splat_u8(0)) |
| #define unpack_to_u16_l(v) \ |
| (uint16x8_t) vec_mergel((uint8x16_t)v, vec_splat_u8(0)) |
| #define unpack_to_s16_h(v) \ |
| (int16x8_t) vec_mergeh((uint8x16_t)v, vec_splat_u8(0)) |
| #define unpack_to_s16_l(v) \ |
| (int16x8_t) vec_mergel((uint8x16_t)v, vec_splat_u8(0)) |
| #ifndef xxpermdi |
| #define xxpermdi(a, b, c) vec_xxpermdi(b, a, (((c) >> 1) | ((c)&1) << 1) ^ 3) |
| #endif |
| #endif |
| |
| static INLINE uint8x16_t read4x2(const uint8_t *a, int stride) { |
| const uint32x4_t a0 = (uint32x4_t)vec_vsx_ld(0, a); |
| const uint32x4_t a1 = (uint32x4_t)vec_vsx_ld(0, a + stride); |
| |
| return (uint8x16_t)vec_mergeh(a0, a1); |
| } |
| |
| #ifndef __POWER9_VECTOR__ |
| #define vec_absd(a, b) vec_sub(vec_max(a, b), vec_min(a, b)) |
| #endif |
| |
| static const uint8x16_t vec_zeros_u8 = { 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0 }; |
| static const int16x8_t vec_zeros_s16 = { 0, 0, 0, 0, 0, 0, 0, 0 }; |
| static const int16x8_t vec_ones_s16 = { 1, 1, 1, 1, 1, 1, 1, 1 }; |
| static const int16x8_t vec_twos_s16 = { 2, 2, 2, 2, 2, 2, 2, 2 }; |
| static const uint16x8_t vec_ones_u16 = { 1, 1, 1, 1, 1, 1, 1, 1 }; |
| static const uint32x4_t vec_ones_u32 = { 1, 1, 1, 1 }; |
| static const int32x4_t vec_zeros_s32 = { 0, 0, 0, 0 }; |
| static const uint32x4_t vec_zeros_u32 = { 0, 0, 0, 0 }; |
| static const uint16x8_t vec_shift_sign_s16 = { 15, 15, 15, 15, 15, 15, 15, 15 }; |
| static const uint32x4_t vec_shift_sign_s32 = { 31, 31, 31, 31 }; |
| static const uint8x16_t vec_perm64 = { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, |
| 0x0E, 0x0F, 0x00, 0x01, 0x02, 0x03, |
| 0x04, 0x05, 0x06, 0x07 }; |
| static const uint8x16_t vec_perm32 = { 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, |
| 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
| 0x00, 0x01, 0x02, 0x03 }; |
| static const uint8x16_t vec_perm16 = { 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0A, 0x0B, 0x0E, 0x0D, |
| 0x0E, 0x0F, 0x00, 0x01 }; |
| |
| static const uint8x16_t vec_perm_odd_even_pack = { 0x00, 0x01, 0x10, 0x11, |
| 0x04, 0x05, 0x14, 0x15, |
| 0x08, 0x09, 0x18, 0x19, |
| 0x0C, 0x0D, 0x1C, 0x1D }; |
| |
| #endif // VPX_VPX_DSP_PPC_TYPES_VSX_H_ |
