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Code Issues Releases Activity

avcodec/ppc/vc1dsp_altivec: add POWER LE support to vc1_inv_trans_8x4_altivec()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rong Yan
2014-12-04 05:51:30 +00:00
committed by Michael Niedermayer
parent af14ae8037
commit 36cd2bcbc3
1 changed files with 10 additions and 3 deletions
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13
libavcodec/ppc/vc1dsp_altivec.c
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@@ -304,16 +304,23 @@ static void vc1_inv_trans_8x4_altivec(uint8_t *dest, int stride, int16_t *block)
src2 = vec_pack(s2, sA); src2 = vec_pack(s2, sA);
src3 = vec_pack(s3, sB); src3 = vec_pack(s3, sB);
#if HAVE_BIGENDIAN
p0 = vec_lvsl (0, dest); p0 = vec_lvsl (0, dest);
p1 = vec_lvsl (stride, dest); p1 = vec_lvsl (stride, dest);
p = vec_splat_u8 (-1); p = vec_splat_u8 (-1);
perm0 = vec_mergeh (p, p0); perm0 = vec_mergeh (p, p0);
perm1 = vec_mergeh (p, p1); perm1 = vec_mergeh (p, p1);
#define GET_TMP2(dst, p) \
tmp = vec_ld (0, dest); \
tmp2 = (vector signed short)vec_perm (tmp, vec_splat_u8(0), p);
#else
#define GET_TMP2(dst,p) \
tmp = vec_vsx_ld (0, dst); \
tmp2 = (vector signed short)vec_mergeh (tmp, vec_splat_u8(0));
#endif
#define ADD(dest,src,perm) \ #define ADD(dest,src,perm) \
/* *(uint64_t *)&tmp = *(uint64_t *)dest; */ \ GET_TMP2(dest, perm); \
tmp = vec_ld (0, dest); \
tmp2 = (vector signed short)vec_perm (tmp, vec_splat_u8(0), perm); \
tmp3 = vec_adds (tmp2, src); \ tmp3 = vec_adds (tmp2, src); \
tmp = vec_packsu (tmp3, tmp3); \ tmp = vec_packsu (tmp3, tmp3); \
vec_ste ((vector unsigned int)tmp, 0, (unsigned int *)dest); \ vec_ste ((vector unsigned int)tmp, 0, (unsigned int *)dest); \