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Code Issues Releases Activity

avcodec/ppc/idctdsp.c: POWER LE support in idct_add_altivec()

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also add GET_TMP2() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rong Yan 2015-02-03 03:04:33 +00:00 committed by Michael Niedermayer
parent 7620d48f2e
commit fc35df8931
1 changed files with 13 additions and 3 deletions
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16
libavcodec/ppc/idctdsp.c
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@ -209,16 +209,26 @@ static void idct_add_altivec(uint8_t *dest, int stride, int16_t *blk)
IDCT;
#if HAVE_BIGENDIAN
p0 = vec_lvsl(0, dest);
p1 = vec_lvsl(stride, dest);
p = vec_splat_u8(-1);
perm0 = vec_mergeh(p, p0);
perm1 = vec_mergeh(p, p1);
#endif
#if HAVE_BIGENDIAN
#define GET_TMP2(dest, prm) \
tmp = vec_ld(0, dest); \
tmp2 = (vec_s16) vec_perm(tmp, (vec_u8) zero, prm);
#else
#define GET_TMP2(dest, prm) \
tmp = vec_vsx_ld(0, dest); \
tmp2 = (vec_s16) vec_mergeh(tmp, (vec_u8) zero)
#endif
#define ADD(dest, src, perm) \
/* *(uint64_t *) &tmp = *(uint64_t *) dest; */ \
tmp = vec_ld(0, dest); \
tmp2 = (vec_s16) vec_perm(tmp, (vec_u8) zero, perm); \
GET_TMP2(dest, perm); \
tmp3 = vec_adds(tmp2, src); \
tmp = vec_packsu(tmp3, tmp3); \
vec_ste((vec_u32) tmp, 0, (unsigned int *) dest); \