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avcodec/ppc/vp3dsp_altivec: POWER LE support to vp3_idct_add_altivec()

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add GET_VDST16() macro

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rong Yan 2014-12-08 08:00:59 +00:00 committed by Michael Niedermayer
parent 5054d2a92b
commit 9bd8f2cc32
1 changed files with 16 additions and 2 deletions
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18
libavcodec/ppc/vp3dsp_altivec.c
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@ -32,8 +32,13 @@
static const vec_s16 constants =
{0, 64277, 60547, 54491, 46341, 36410, 25080, 12785};
#if HAVE_BIGENDIAN
static const vec_u8 interleave_high =
{0, 1, 16, 17, 4, 5, 20, 21, 8, 9, 24, 25, 12, 13, 28, 29};
#else
static const vec_u8 interleave_high =
{2, 3, 18, 19, 6, 7, 22, 23, 10, 11, 26, 27, 14, 15, 30, 31};
#endif
#define IDCT_START \
vec_s16 A, B, C, D, Ad, Bd, Cd, Dd, E, F, G, H;\
@ -156,9 +161,18 @@ static void vp3_idct_add_altivec(uint8_t *dst, int stride, int16_t block[64])
TRANSPOSE8(b0, b1, b2, b3, b4, b5, b6, b7);
IDCT_1D(ADD8, SHIFT4)
#define ADD(a)\
#if HAVE_BIGENDIAN
#define GET_VDST16\
vdst = vec_ld(0, dst);\
vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask);\
vdst_16 = (vec_s16)vec_perm(vdst, zero_u8v, vdst_mask);
#else
#define GET_VDST16\
vdst = vec_vsx_ld(0,dst);\
vdst_16 = (vec_s16)vec_mergeh(vdst, zero_u8v);
#endif
#define ADD(a)\
GET_VDST16;\
vdst_16 = vec_adds(a, vdst_16);\
t = vec_packsu(vdst_16, vdst_16);\
vec_ste((vec_u32)t, 0, (unsigned int *)dst);\