diff options
Diffstat (limited to 'libavutil/ppc/util_altivec.h')
| -rw-r--r-- | libavutil/ppc/util_altivec.h | 79 |
1 files changed, 65 insertions, 14 deletions
diff --git a/libavutil/ppc/util_altivec.h b/libavutil/ppc/util_altivec.h index 8b31327ef4..0db58730fe 100644 --- a/libavutil/ppc/util_altivec.h +++ b/libavutil/ppc/util_altivec.h @@ -1,18 +1,18 @@ /* - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -46,9 +46,21 @@ #define WORD_s1 0x14,0x15,0x16,0x17 #define WORD_s2 0x18,0x19,0x1a,0x1b #define WORD_s3 0x1c,0x1d,0x1e,0x1f - #define vcprm(a,b,c,d) (const vec_u8){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d} +#define SWP_W2S0 0x02,0x03,0x00,0x01 +#define SWP_W2S1 0x06,0x07,0x04,0x05 +#define SWP_W2S2 0x0a,0x0b,0x08,0x09 +#define SWP_W2S3 0x0e,0x0f,0x0c,0x0d +#define SWP_W2Ss0 0x12,0x13,0x10,0x11 +#define SWP_W2Ss1 0x16,0x17,0x14,0x15 +#define SWP_W2Ss2 0x1a,0x1b,0x18,0x19 +#define SWP_W2Ss3 0x1e,0x1f,0x1c,0x1d +#define vcswapi2s(a,b,c,d) (const vector unsigned char){SWP_W2S ## a, SWP_W2S ## b, SWP_W2S ## c, SWP_W2S ## d} + +#define vcswapc() \ + (const vector unsigned char){0x0f,0x0e,0x0d,0x0c,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x01,0x00} + // Transpose 8x8 matrix of 16-bit elements (in-place) #define TRANSPOSE8(a,b,c,d,e,f,g,h) \ @@ -85,29 +97,68 @@ do { \ } while (0) +#if HAVE_BIGENDIAN +#define VEC_LD(offset,b) \ + vec_perm(vec_ld(offset, b), vec_ld((offset)+15, b), vec_lvsl(offset, b)) +#else +#define VEC_LD(offset,b) \ + vec_vsx_ld(offset, b) +#endif + /** @brief loads unaligned vector @a *src with offset @a offset and returns it */ -static inline vec_u8 unaligned_load(int offset, uint8_t *src) +#if HAVE_BIGENDIAN +static inline vec_u8 unaligned_load(int offset, const uint8_t *src) { register vec_u8 first = vec_ld(offset, src); register vec_u8 second = vec_ld(offset + 15, src); register vec_u8 mask = vec_lvsl(offset, src); return vec_perm(first, second, mask); } - -/** - * loads vector known misalignment - * @param perm_vec the align permute vector to combine the two loads from lvsl - */ -static inline vec_u8 load_with_perm_vec(int offset, uint8_t *src, vec_u8 perm_vec) +static inline vec_u8 load_with_perm_vec(int offset, const uint8_t *src, vec_u8 perm_vec) { vec_u8 a = vec_ld(offset, src); vec_u8 b = vec_ld(offset + 15, src); return vec_perm(a, b, perm_vec); } +#else +#define unaligned_load(a,b) VEC_LD(a,b) +#define load_with_perm_vec(a,b,c) VEC_LD(a,b) +#endif + -#define vec_unaligned_load(b) \ - vec_perm(vec_ld(0, b), vec_ld(15, b), vec_lvsl(0, b)); +/** + * loads vector known misalignment + * @param perm_vec the align permute vector to combine the two loads from lvsl + */ + +#define vec_unaligned_load(b) VEC_LD(0, b) + +#if HAVE_BIGENDIAN +#define VEC_MERGEH(a, b) vec_mergeh(a, b) +#define VEC_MERGEL(a, b) vec_mergel(a, b) +#else +#define VEC_MERGEH(a, b) vec_mergeh(b, a) +#define VEC_MERGEL(a, b) vec_mergel(b, a) +#endif + +#if HAVE_BIGENDIAN +#define VEC_ST(a,b,c) vec_st(a,b,c) +#else +#define VEC_ST(a,b,c) vec_vsx_st(a,b,c) +#endif + +#if HAVE_BIGENDIAN +#define VEC_SPLAT16(a,b) vec_splat((vec_s16)(a), b) +#else +#define VEC_SPLAT16(a,b) vec_splat((vec_s16)(vec_perm(a, a, vcswapi2s(0,1,2,3))), b) +#endif + +#if HAVE_BIGENDIAN +#define VEC_SLD16(a,b,c) vec_sld(a, b, c) +#else +#define VEC_SLD16(a,b,c) vec_sld(b, a, c) +#endif #endif /* HAVE_ALTIVEC */ |