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k9copy/k9decmpeg/motion_comp_altivec.cpp

1011 lines
29 KiB

/*
* motion_comp_altivec.c
* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#ifdef ARCH_PPC
#ifdef HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#include "k9common.h"
#include "mpeg2.h"
#include "attributes.h"
#include "mpeg2_internal.h"
typedef vector signed char vector_s8_t;
typedef vector unsigned char vector_u8_t;
typedef vector signed short vector_s16_t;
typedef vector unsigned short vector_u16_t;
typedef vector signed int vector_s32_t;
typedef vector unsigned int vector_u32_t;
#ifndef COFFEE_BREAK /* Workarounds for gcc suckage */
static inline vector_u8_t my_vec_ld (int const A, const uint8_t * const B)
{
return vec_ld (A, (uint8_t *)B);
}
#undef vec_ld
#define vec_ld my_vec_ld
static inline vector_u8_t my_vec_and (vector_u8_t const A, vector_u8_t const B)
{
return vec_and (A, B);
}
#undef vec_and
#define vec_and my_vec_and
static inline vector_u8_t my_vec_avg (vector_u8_t const A, vector_u8_t const B)
{
return vec_avg (A, B);
}
#undef vec_avg
#define vec_avg my_vec_avg
#endif
static void MC_put_o_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm, ref0, ref1, tmp;
perm = vec_lvsl (0, ref);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
tmp = vec_perm (ref0, ref1, perm);
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
vec_st (tmp, 0, dest);
tmp = vec_perm (ref0, ref1, perm);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp = vec_perm (ref0, ref1, perm);
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
vec_st (tmp, 0, dest);
tmp = vec_perm (ref0, ref1, perm);
vec_st (tmp, stride, dest);
}
static void MC_put_o_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0, perm1, tmp0, tmp1, ref0, ref1;
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0 = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1 = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_perm (ref0, ref1, perm1);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_perm (ref0, ref1, perm1);
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
}
static void MC_put_x_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t permA, permB, ref0, ref1, tmp;
permA = vec_lvsl (0, ref);
permB = vec_add (permA, vec_splat_u8 (1));
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
tmp = vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
vec_st (tmp, 0, dest);
tmp = vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp = vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
vec_st (tmp, 0, dest);
tmp = vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB));
vec_st (tmp, stride, dest);
}
static void MC_put_x_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0A, perm0B, perm1A, perm1B, ones, tmp0, tmp1, ref0, ref1;
ones = vec_splat_u8 (1);
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0A = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
perm0B = vec_add (perm0A, ones);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1A = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
perm1B = vec_add (perm1A, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
tmp0 = vec_avg (vec_perm (ref0, ref1, perm0A),
vec_perm (ref0, ref1, perm0B));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (vec_perm (ref0, ref1, perm1A),
vec_perm (ref0, ref1, perm1B));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_avg (vec_perm (ref0, ref1, perm0A),
vec_perm (ref0, ref1, perm0B));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (vec_perm (ref0, ref1, perm1A),
vec_perm (ref0, ref1, perm1B));
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
}
static void MC_put_y_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm, ref0, ref1, tmp0, tmp1, tmp;
perm = vec_lvsl (0, ref);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
tmp0 = vec_perm (ref0, ref1, perm);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
tmp1 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (tmp0, tmp1);
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
vec_st (tmp, 0, dest);
tmp0 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (tmp0, tmp1);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp1 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (tmp0, tmp1);
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
vec_st (tmp, 0, dest);
tmp0 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (tmp0, tmp1);
vec_st (tmp, stride, dest);
}
static void MC_put_y_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0, perm1, tmp0, tmp1, tmp, ref0, ref1;
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0 = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1 = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
tmp1 = vec_perm (ref0, ref1, perm1);
tmp = vec_avg (tmp0, tmp1);
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
tmp = vec_avg (tmp0, tmp1);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_perm (ref0, ref1, perm1);
tmp = vec_avg (tmp0, tmp1);
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
tmp = vec_avg (tmp0, tmp1);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
}
static void MC_put_xy_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t permA, permB, ref0, ref1, A, B, avg0, avg1, xor0, xor1, tmp;
vector_u8_t ones;
ones = vec_splat_u8 (1);
permA = vec_lvsl (0, ref);
permB = vec_add (permA, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
vec_st (tmp, 0, dest);
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
vec_st (tmp, stride, dest);
dest += 2*stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
vec_st (tmp, 0, dest);
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
vec_st (tmp, stride, dest);
}
static void MC_put_xy_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0A, perm0B, perm1A, perm1B, ref0, ref1, A, B;
vector_u8_t avg0, avg1, xor0, xor1, tmp, ones;
ones = vec_splat_u8 (1);
perm0A = vec_lvsl (0, ref);
perm0A = vec_mergeh (perm0A, perm0A);
perm0A = vec_pack ((vector_u16_t)perm0A, (vector_u16_t)perm0A);
perm0B = vec_add (perm0A, ones);
perm1A = vec_lvsl (stride, ref);
perm1A = vec_mergeh (perm1A, perm1A);
perm1A = vec_pack ((vector_u16_t)perm1A, (vector_u16_t)perm1A);
perm1B = vec_add (perm1A, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
A = vec_perm (ref0, ref1, perm1A);
B = vec_perm (ref0, ref1, perm1B);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm1A);
B = vec_perm (ref0, ref1, perm1B);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1)));
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
}
#if 0
static void MC_put_xy_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t permA, permB, ref0, ref1, A, B, C, D, tmp, zero, ones;
vector_u16_t splat2, temp;
ones = vec_splat_u8 (1);
permA = vec_lvsl (0, ref);
permB = vec_add (permA, ones);
zero = vec_splat_u8 (0);
splat2 = vec_splat_u16 (2);
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
C = vec_perm (ref0, ref1, permA);
D = vec_perm (ref0, ref1, permB);
temp = vec_add (vec_add ((vector_u16_t)vec_mergeh (zero, A),
(vector_u16_t)vec_mergeh (zero, B)),
vec_add ((vector_u16_t)vec_mergeh (zero, C),
(vector_u16_t)vec_mergeh (zero, D)));
temp = vec_sr (vec_add (temp, splat2), splat2);
tmp = vec_pack (temp, temp);
vec_st (tmp, 0, dest);
dest += stride;
tmp = vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB));
} while (--height);
}
#endif
static void MC_avg_o_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm, ref0, ref1, tmp, prev;
perm = vec_lvsl (0, ref);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (0, dest);
tmp = vec_avg (prev, vec_perm (ref0, ref1, perm));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp = vec_avg (prev, vec_perm (ref0, ref1, perm));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (2*stride, dest);
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp = vec_avg (prev, vec_perm (ref0, ref1, perm));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp = vec_avg (prev, vec_perm (ref0, ref1, perm));
vec_st (tmp, stride, dest);
}
static void MC_avg_o_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0, perm1, tmp0, tmp1, ref0, ref1, prev;
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0 = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1 = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (0, dest);
tmp0 = vec_avg (prev, vec_perm (ref0, ref1, perm0));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (prev, vec_perm (ref0, ref1, perm1));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_avg (prev, vec_perm (ref0, ref1, perm0));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (prev, vec_perm (ref0, ref1, perm1));
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
}
static void MC_avg_x_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t permA, permB, ref0, ref1, tmp, prev;
permA = vec_lvsl (0, ref);
permB = vec_add (permA, vec_splat_u8 (1));
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
prev = vec_ld (0, dest);
ref += stride;
tmp = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB)));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB)));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
prev = vec_ld (2*stride, dest);
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB)));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, permA),
vec_perm (ref0, ref1, permB)));
vec_st (tmp, stride, dest);
}
static void MC_avg_x_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0A, perm0B, perm1A, perm1B, ones, tmp0, tmp1, ref0, ref1;
vector_u8_t prev;
ones = vec_splat_u8 (1);
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0A = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
perm0B = vec_add (perm0A, ones);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1A = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
perm1B = vec_add (perm1A, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
prev = vec_ld (0, dest);
ref += stride;
tmp0 = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, perm0A),
vec_perm (ref0, ref1, perm0B)));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, perm1A),
vec_perm (ref0, ref1, perm1B)));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, perm0A),
vec_perm (ref0, ref1, perm0B)));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp0, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp0, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_avg (prev, vec_avg (vec_perm (ref0, ref1, perm1A),
vec_perm (ref0, ref1, perm1B)));
vec_ste ((vector_u32_t)tmp1, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp1, 4, (unsigned int *)dest);
}
static void MC_avg_y_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm, ref0, ref1, tmp0, tmp1, tmp, prev;
perm = vec_lvsl (0, ref);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
tmp0 = vec_perm (ref0, ref1, perm);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (0, dest);
tmp1 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp0 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
ref += stride;
prev = vec_ld (2*stride, dest);
vec_st (tmp, stride, dest);
dest += 2*stride;
tmp1 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (15, ref);
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
tmp0 = vec_perm (ref0, ref1, perm);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
vec_st (tmp, stride, dest);
}
static void MC_avg_y_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0, perm1, tmp0, tmp1, tmp, ref0, ref1, prev;
tmp0 = vec_lvsl (0, ref);
tmp0 = vec_mergeh (tmp0, tmp0);
perm0 = vec_pack ((vector_u16_t)tmp0, (vector_u16_t)tmp0);
tmp1 = vec_lvsl (stride, ref);
tmp1 = vec_mergeh (tmp1, tmp1);
perm1 = vec_pack ((vector_u16_t)tmp1, (vector_u16_t)tmp1);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (0, dest);
tmp1 = vec_perm (ref0, ref1, perm1);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp1 = vec_perm (ref0, ref1, perm1);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (7, ref);
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
tmp0 = vec_perm (ref0, ref1, perm0);
tmp = vec_avg (prev, vec_avg (tmp0, tmp1));
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
}
static void MC_avg_xy_16_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t permA, permB, ref0, ref1, A, B, avg0, avg1, xor0, xor1, tmp;
vector_u8_t ones, prev;
ones = vec_splat_u8 (1);
permA = vec_lvsl (0, ref);
permB = vec_add (permA, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
prev = vec_ld (0, dest);
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_avg (prev, vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_avg (prev,
vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
ref += stride;
prev = vec_ld (2*stride, dest);
vec_st (tmp, stride, dest);
dest += 2*stride;
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_avg (prev,
vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (16, ref);
prev = vec_ld (stride, dest);
vec_st (tmp, 0, dest);
A = vec_perm (ref0, ref1, permA);
B = vec_perm (ref0, ref1, permB);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_avg (prev, vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
vec_st (tmp, stride, dest);
}
static void MC_avg_xy_8_altivec (uint8_t * dest, const uint8_t * ref,
const int stride, int height)
{
vector_u8_t perm0A, perm0B, perm1A, perm1B, ref0, ref1, A, B;
vector_u8_t avg0, avg1, xor0, xor1, tmp, ones, prev;
ones = vec_splat_u8 (1);
perm0A = vec_lvsl (0, ref);
perm0A = vec_mergeh (perm0A, perm0A);
perm0A = vec_pack ((vector_u16_t)perm0A, (vector_u16_t)perm0A);
perm0B = vec_add (perm0A, ones);
perm1A = vec_lvsl (stride, ref);
perm1A = vec_mergeh (perm1A, perm1A);
perm1A = vec_pack ((vector_u16_t)perm1A, (vector_u16_t)perm1A);
perm1B = vec_add (perm1A, ones);
height = (height >> 1) - 1;
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
prev = vec_ld (0, dest);
A = vec_perm (ref0, ref1, perm1A);
B = vec_perm (ref0, ref1, perm1B);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_avg (prev, vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
do {
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_avg (prev,
vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
ref += stride;
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm1A);
B = vec_perm (ref0, ref1, perm1B);
avg1 = vec_avg (A, B);
xor1 = vec_xor (A, B);
tmp = vec_avg (prev,
vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_avg (prev, vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
}
MPEG2_MC_EXTERN (altivec)
#endif