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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/ppc/types_vsx.h')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/ppc/types_vsx.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/ppc/types_vsx.h b/media/libvpx/libvpx/vpx_dsp/ppc/types_vsx.h new file mode 100644 index 0000000000..b891169245 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/ppc/types_vsx.h @@ -0,0 +1,108 @@ +/* + * 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_ |