24 #ifndef AVUTIL_PPC_UTIL_ALTIVEC_H 25 #define AVUTIL_PPC_UTIL_ALTIVEC_H 34 #define vec_u8 vector unsigned char 35 #define vec_s8 vector signed char 36 #define vec_u16 vector unsigned short 37 #define vec_s16 vector signed short 38 #define vec_u32 vector unsigned int 39 #define vec_s32 vector signed int 40 #define vec_f vector float 45 #define LOAD_ZERO const vec_u8 zerov = vec_splat_u8( 0 ) 47 #define zero_u8v (vec_u8) zerov 48 #define zero_s8v (vec_s8) zerov 49 #define zero_u16v (vec_u16) zerov 50 #define zero_s16v (vec_s16) zerov 51 #define zero_u32v (vec_u32) zerov 52 #define zero_s32v (vec_s32) zerov 59 #define WORD_0 0x00,0x01,0x02,0x03 60 #define WORD_1 0x04,0x05,0x06,0x07 61 #define WORD_2 0x08,0x09,0x0a,0x0b 62 #define WORD_3 0x0c,0x0d,0x0e,0x0f 63 #define WORD_s0 0x10,0x11,0x12,0x13 64 #define WORD_s1 0x14,0x15,0x16,0x17 65 #define WORD_s2 0x18,0x19,0x1a,0x1b 66 #define WORD_s3 0x1c,0x1d,0x1e,0x1f 67 #define vcprm(a,b,c,d) (const vec_u8){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d} 69 #define SWP_W2S0 0x02,0x03,0x00,0x01 70 #define SWP_W2S1 0x06,0x07,0x04,0x05 71 #define SWP_W2S2 0x0a,0x0b,0x08,0x09 72 #define SWP_W2S3 0x0e,0x0f,0x0c,0x0d 73 #define SWP_W2Ss0 0x12,0x13,0x10,0x11 74 #define SWP_W2Ss1 0x16,0x17,0x14,0x15 75 #define SWP_W2Ss2 0x1a,0x1b,0x18,0x19 76 #define SWP_W2Ss3 0x1e,0x1f,0x1c,0x1d 77 #define vcswapi2s(a,b,c,d) (const vector unsigned char){SWP_W2S ## a, SWP_W2S ## b, SWP_W2S ## c, SWP_W2S ## d} 80 (const vector unsigned char){0x0f,0x0e,0x0d,0x0c,0x0b,0x0a,0x09,0x08,0x07,0x06,0x05,0x04,0x03,0x02,0x01,0x00} 84 #define TRANSPOSE8(a,b,c,d,e,f,g,h) \ 86 vec_s16 A1, B1, C1, D1, E1, F1, G1, H1; \ 87 vec_s16 A2, B2, C2, D2, E2, F2, G2, H2; \ 89 A1 = vec_mergeh (a, e); \ 90 B1 = vec_mergel (a, e); \ 91 C1 = vec_mergeh (b, f); \ 92 D1 = vec_mergel (b, f); \ 93 E1 = vec_mergeh (c, g); \ 94 F1 = vec_mergel (c, g); \ 95 G1 = vec_mergeh (d, h); \ 96 H1 = vec_mergel (d, h); \ 98 A2 = vec_mergeh (A1, E1); \ 99 B2 = vec_mergel (A1, E1); \ 100 C2 = vec_mergeh (B1, F1); \ 101 D2 = vec_mergel (B1, F1); \ 102 E2 = vec_mergeh (C1, G1); \ 103 F2 = vec_mergel (C1, G1); \ 104 G2 = vec_mergeh (D1, H1); \ 105 H2 = vec_mergel (D1, H1); \ 107 a = vec_mergeh (A2, E2); \ 108 b = vec_mergel (A2, E2); \ 109 c = vec_mergeh (B2, F2); \ 110 d = vec_mergel (B2, F2); \ 111 e = vec_mergeh (C2, G2); \ 112 f = vec_mergel (C2, G2); \ 113 g = vec_mergeh (D2, H2); \ 114 h = vec_mergel (D2, H2); \ 119 #define VEC_LD(offset,b) \ 120 vec_perm(vec_ld(offset, b), vec_ld((offset)+15, b), vec_lvsl(offset, b)) 122 #define VEC_LD(offset,b) \ 123 vec_vsx_ld(offset, b) 131 register vec_u8 first = vec_ld(offset, src);
132 register vec_u8 second = vec_ld(offset + 15, src);
134 return vec_perm(first, second, mask);
140 return vec_perm(a, b, perm_vec);
143 #define unaligned_load(a,b) VEC_LD(a,b) 144 #define load_with_perm_vec(a,b,c) VEC_LD(a,b) 153 #define vec_unaligned_load(b) VEC_LD(0, b) 156 #define VEC_MERGEH(a, b) vec_mergeh(a, b) 157 #define VEC_MERGEL(a, b) vec_mergel(a, b) 159 #define VEC_MERGEH(a, b) vec_mergeh(b, a) 160 #define VEC_MERGEL(a, b) vec_mergel(b, a) 164 #define VEC_ST(a,b,c) vec_st(a,b,c) 166 #define VEC_ST(a,b,c) vec_vsx_st(a,b,c) 170 #define VEC_SPLAT16(a,b) vec_splat((vec_s16)(a), b) 172 #define VEC_SPLAT16(a,b) vec_splat((vec_s16)(vec_perm(a, a, vcswapi2s(0,1,2,3))), b) 176 #define VEC_SLD16(a,b,c) vec_sld(a, b, c) 178 #define VEC_SLD16(a,b,c) vec_sld(b, a, c) 185 #define vsx_ld_u8_s16(off, p) \ 186 ((vec_s16)vec_mergeh((vec_u8)vec_splat_u8(0), \ 187 (vec_u8)vec_vsx_ld((off), (p)))) 189 #define vsx_ld_u8_s16(off, p) \ 190 ((vec_s16)vec_mergeh((vec_u8)vec_vsx_ld((off), (p)), \ 191 (vec_u8)vec_splat_u8(0)))
static const uint16_t mask[17]
static const uint8_t offset[127][2]