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avcodec/ppc/fdctdsp: POWER LE support in ff_fdct_altivec() 

add marcos VEC_FMERGEH() VEC_FMERGEL()

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Rong Yan 2015-04-03 12:36:18 +00:00 committed by Michael Niedermayer
parent 24326930d8
commit af5fec9538
1 changed files with 40 additions and 32 deletions
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72
libavcodec/ppc/fdctdsp.c
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@ -78,6 +78,14 @@ static const vector float fdctconsts[3] = {
#define LD_WA vec_splat(cnsts2, 2)
#define LD_WB vec_splat(cnsts2, 3)
#if HAVE_BIGENDIAN
#define VEC_FMERGEH(a, b) vec_mergeh(a, b)
#define VEC_FMERGEL(a, b) vec_mergel(a, b)
#else
#define VEC_FMERGEH(a, b) vec_mergel(b, a)
#define VEC_FMERGEL(a, b) vec_mergeh(b, a)
#endif
#define FDCTROW(b0, b1, b2, b3, b4, b5, b6, b7) /* {{{ */ \
x0 = vec_add(b0, b7); /* x0 = b0 + b7; */ \
x7 = vec_sub(b0, b7); /* x7 = b0 - b7; */ \
@ -385,45 +393,45 @@ void ff_fdct_altivec(int16_t *block)
/* }}} */
/* 8x8 matrix transpose (vector float[8][2]) {{{ */
x0 = vec_mergel(b00, b20);
x1 = vec_mergeh(b00, b20);
x2 = vec_mergel(b10, b30);
x3 = vec_mergeh(b10, b30);
x0 = VEC_FMERGEL(b00, b20);
x1 = VEC_FMERGEH(b00, b20);
x2 = VEC_FMERGEL(b10, b30);
x3 = VEC_FMERGEH(b10, b30);
b00 = vec_mergeh(x1, x3);
b10 = vec_mergel(x1, x3);
b20 = vec_mergeh(x0, x2);
b30 = vec_mergel(x0, x2);
b00 = VEC_FMERGEH(x1, x3);
b10 = VEC_FMERGEL(x1, x3);
b20 = VEC_FMERGEH(x0, x2);
b30 = VEC_FMERGEL(x0, x2);
x4 = vec_mergel(b41, b61);
x5 = vec_mergeh(b41, b61);
x6 = vec_mergel(b51, b71);
x7 = vec_mergeh(b51, b71);
x4 = VEC_FMERGEL(b41, b61);
x5 = VEC_FMERGEH(b41, b61);
x6 = VEC_FMERGEL(b51, b71);
x7 = VEC_FMERGEH(b51, b71);
b41 = vec_mergeh(x5, x7);
b51 = vec_mergel(x5, x7);
b61 = vec_mergeh(x4, x6);
b71 = vec_mergel(x4, x6);
b41 = VEC_FMERGEH(x5, x7);
b51 = VEC_FMERGEL(x5, x7);
b61 = VEC_FMERGEH(x4, x6);
b71 = VEC_FMERGEL(x4, x6);
x0 = vec_mergel(b01, b21);
x1 = vec_mergeh(b01, b21);
x2 = vec_mergel(b11, b31);
x3 = vec_mergeh(b11, b31);
x0 = VEC_FMERGEL(b01, b21);
x1 = VEC_FMERGEH(b01, b21);
x2 = VEC_FMERGEL(b11, b31);
x3 = VEC_FMERGEH(b11, b31);
x4 = vec_mergel(b40, b60);
x5 = vec_mergeh(b40, b60);
x6 = vec_mergel(b50, b70);
x7 = vec_mergeh(b50, b70);
x4 = VEC_FMERGEL(b40, b60);
x5 = VEC_FMERGEH(b40, b60);
x6 = VEC_FMERGEL(b50, b70);
x7 = VEC_FMERGEH(b50, b70);
b40 = vec_mergeh(x1, x3);
b50 = vec_mergel(x1, x3);
b60 = vec_mergeh(x0, x2);
b70 = vec_mergel(x0, x2);
b40 = VEC_FMERGEH(x1, x3);
b50 = VEC_FMERGEL(x1, x3);
b60 = VEC_FMERGEH(x0, x2);
b70 = VEC_FMERGEL(x0, x2);
b01 = vec_mergeh(x5, x7);
b11 = vec_mergel(x5, x7);
b21 = vec_mergeh(x4, x6);
b31 = vec_mergel(x4, x6);
b01 = VEC_FMERGEH(x5, x7);
b11 = VEC_FMERGEL(x5, x7);
b21 = VEC_FMERGEH(x4, x6);
b31 = VEC_FMERGEL(x4, x6);
/* }}} */
FDCTCOL(b00, b10, b20, b30, b40, b50, b60, b70);