ref: 927fad48472b969065226e6e727e5e7670d2ff68
dir: libvpx/vpx_dsp/mips/loopfilter_mb_dspr2.c
/*
* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stdlib.h>
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/mips/common_dspr2.h"
#include "vpx_dsp/mips/loopfilter_filters_dspr2.h"
#include "vpx_dsp/mips/loopfilter_macros_dspr2.h"
#include "vpx_dsp/mips/loopfilter_masks_dspr2.h"
#include "vpx_mem/vpx_mem.h"
#if HAVE_DSPR2
void vpx_lpf_horizontal_8_dspr2(unsigned char *s, int pitch,
const uint8_t *blimit, const uint8_t *limit,
const uint8_t *thresh) {
uint32_t mask;
uint32_t hev, flat;
uint8_t i;
uint8_t *sp3, *sp2, *sp1, *sp0, *sq0, *sq1, *sq2, *sq3;
uint32_t thresh_vec, flimit_vec, limit_vec;
uint32_t uflimit, ulimit, uthresh;
uint32_t p1_f0, p0_f0, q0_f0, q1_f0;
uint32_t p3, p2, p1, p0, q0, q1, q2, q3;
uint32_t p0_l, p1_l, p2_l, p3_l, q0_l, q1_l, q2_l, q3_l;
uint32_t p0_r, p1_r, p2_r, p3_r, q0_r, q1_r, q2_r, q3_r;
uflimit = *blimit;
ulimit = *limit;
uthresh = *thresh;
/* create quad-byte */
__asm__ __volatile__(
"replv.qb %[thresh_vec], %[uthresh] \n\t"
"replv.qb %[flimit_vec], %[uflimit] \n\t"
"replv.qb %[limit_vec], %[ulimit] \n\t"
: [thresh_vec] "=&r"(thresh_vec), [flimit_vec] "=&r"(flimit_vec),
[limit_vec] "=r"(limit_vec)
: [uthresh] "r"(uthresh), [uflimit] "r"(uflimit), [ulimit] "r"(ulimit));
/* prefetch data for store */
prefetch_store(s);
for (i = 0; i < 2; i++) {
sp3 = s - (pitch << 2);
sp2 = sp3 + pitch;
sp1 = sp2 + pitch;
sp0 = sp1 + pitch;
sq0 = s;
sq1 = s + pitch;
sq2 = sq1 + pitch;
sq3 = sq2 + pitch;
__asm__ __volatile__(
"lw %[p3], (%[sp3]) \n\t"
"lw %[p2], (%[sp2]) \n\t"
"lw %[p1], (%[sp1]) \n\t"
"lw %[p0], (%[sp0]) \n\t"
"lw %[q0], (%[sq0]) \n\t"
"lw %[q1], (%[sq1]) \n\t"
"lw %[q2], (%[sq2]) \n\t"
"lw %[q3], (%[sq3]) \n\t"
: [p3] "=&r"(p3), [p2] "=&r"(p2), [p1] "=&r"(p1), [p0] "=&r"(p0),
[q3] "=&r"(q3), [q2] "=&r"(q2), [q1] "=&r"(q1), [q0] "=&r"(q0)
: [sp3] "r"(sp3), [sp2] "r"(sp2), [sp1] "r"(sp1), [sp0] "r"(sp0),
[sq3] "r"(sq3), [sq2] "r"(sq2), [sq1] "r"(sq1), [sq0] "r"(sq0));
filter_hev_mask_flatmask4_dspr2(limit_vec, flimit_vec, thresh_vec, p1, p0,
p3, p2, q0, q1, q2, q3, &hev, &mask, &flat);
if ((flat == 0) && (mask != 0)) {
filter1_dspr2(mask, hev, p1, p0, q0, q1, &p1_f0, &p0_f0, &q0_f0, &q1_f0);
__asm__ __volatile__(
"sw %[p1_f0], (%[sp1]) \n\t"
"sw %[p0_f0], (%[sp0]) \n\t"
"sw %[q0_f0], (%[sq0]) \n\t"
"sw %[q1_f0], (%[sq1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [sp1] "r"(sp1), [sp0] "r"(sp0), [sq0] "r"(sq0),
[sq1] "r"(sq1));
} else if ((mask & flat) == 0xFFFFFFFF) {
/* left 2 element operation */
PACK_LEFT_0TO3()
mbfilter_dspr2(&p3_l, &p2_l, &p1_l, &p0_l, &q0_l, &q1_l, &q2_l, &q3_l);
/* right 2 element operation */
PACK_RIGHT_0TO3()
mbfilter_dspr2(&p3_r, &p2_r, &p1_r, &p0_r, &q0_r, &q1_r, &q2_r, &q3_r);
COMBINE_LEFT_RIGHT_0TO2()
__asm__ __volatile__(
"sw %[p2], (%[sp2]) \n\t"
"sw %[p1], (%[sp1]) \n\t"
"sw %[p0], (%[sp0]) \n\t"
"sw %[q0], (%[sq0]) \n\t"
"sw %[q1], (%[sq1]) \n\t"
"sw %[q2], (%[sq2]) \n\t"
:
: [p2] "r"(p2), [p1] "r"(p1), [p0] "r"(p0), [q0] "r"(q0),
[q1] "r"(q1), [q2] "r"(q2), [sp2] "r"(sp2), [sp1] "r"(sp1),
[sp0] "r"(sp0), [sq0] "r"(sq0), [sq1] "r"(sq1), [sq2] "r"(sq2));
} else if ((flat != 0) && (mask != 0)) {
/* filtering */
filter1_dspr2(mask, hev, p1, p0, q0, q1, &p1_f0, &p0_f0, &q0_f0, &q1_f0);
/* left 2 element operation */
PACK_LEFT_0TO3()
mbfilter_dspr2(&p3_l, &p2_l, &p1_l, &p0_l, &q0_l, &q1_l, &q2_l, &q3_l);
/* right 2 element operation */
PACK_RIGHT_0TO3()
mbfilter_dspr2(&p3_r, &p2_r, &p1_r, &p0_r, &q0_r, &q1_r, &q2_r, &q3_r);
if (mask & flat & 0x000000FF) {
__asm__ __volatile__(
"sb %[p2_r], (%[sp2]) \n\t"
"sb %[p1_r], (%[sp1]) \n\t"
"sb %[p0_r], (%[sp0]) \n\t"
"sb %[q0_r], (%[sq0]) \n\t"
"sb %[q1_r], (%[sq1]) \n\t"
"sb %[q2_r], (%[sq2]) \n\t"
:
: [p2_r] "r"(p2_r), [p1_r] "r"(p1_r), [p0_r] "r"(p0_r),
[q0_r] "r"(q0_r), [q1_r] "r"(q1_r), [q2_r] "r"(q2_r),
[sp2] "r"(sp2), [sp1] "r"(sp1), [sp0] "r"(sp0), [sq0] "r"(sq0),
[sq1] "r"(sq1), [sq2] "r"(sq2));
} else if (mask & 0x000000FF) {
__asm__ __volatile__(
"sb %[p1_f0], (%[sp1]) \n\t"
"sb %[p0_f0], (%[sp0]) \n\t"
"sb %[q0_f0], (%[sq0]) \n\t"
"sb %[q1_f0], (%[sq1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [sp1] "r"(sp1), [sp0] "r"(sp0),
[sq0] "r"(sq0), [sq1] "r"(sq1));
}
__asm__ __volatile__(
"srl %[p2_r], %[p2_r], 16 \n\t"
"srl %[p1_r], %[p1_r], 16 \n\t"
"srl %[p0_r], %[p0_r], 16 \n\t"
"srl %[q0_r], %[q0_r], 16 \n\t"
"srl %[q1_r], %[q1_r], 16 \n\t"
"srl %[q2_r], %[q2_r], 16 \n\t"
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2_r] "+r"(p2_r), [p1_r] "+r"(p1_r), [p0_r] "+r"(p0_r),
[q0_r] "+r"(q0_r), [q1_r] "+r"(q1_r), [q2_r] "+r"(q2_r),
[p1_f0] "+r"(p1_f0), [p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0),
[q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0x0000FF00) {
__asm__ __volatile__(
"sb %[p2_r], +1(%[sp2]) \n\t"
"sb %[p1_r], +1(%[sp1]) \n\t"
"sb %[p0_r], +1(%[sp0]) \n\t"
"sb %[q0_r], +1(%[sq0]) \n\t"
"sb %[q1_r], +1(%[sq1]) \n\t"
"sb %[q2_r], +1(%[sq2]) \n\t"
:
: [p2_r] "r"(p2_r), [p1_r] "r"(p1_r), [p0_r] "r"(p0_r),
[q0_r] "r"(q0_r), [q1_r] "r"(q1_r), [q2_r] "r"(q2_r),
[sp2] "r"(sp2), [sp1] "r"(sp1), [sp0] "r"(sp0), [sq0] "r"(sq0),
[sq1] "r"(sq1), [sq2] "r"(sq2));
} else if (mask & 0x0000FF00) {
__asm__ __volatile__(
"sb %[p1_f0], +1(%[sp1]) \n\t"
"sb %[p0_f0], +1(%[sp0]) \n\t"
"sb %[q0_f0], +1(%[sq0]) \n\t"
"sb %[q1_f0], +1(%[sq1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [sp1] "r"(sp1), [sp0] "r"(sp0),
[sq0] "r"(sq0), [sq1] "r"(sq1));
}
__asm__ __volatile__(
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2] "+r"(p2), [p1] "+r"(p1), [p0] "+r"(p0), [q0] "+r"(q0),
[q1] "+r"(q1), [q2] "+r"(q2), [p1_f0] "+r"(p1_f0),
[p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0), [q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0x00FF0000) {
__asm__ __volatile__(
"sb %[p2_l], +2(%[sp2]) \n\t"
"sb %[p1_l], +2(%[sp1]) \n\t"
"sb %[p0_l], +2(%[sp0]) \n\t"
"sb %[q0_l], +2(%[sq0]) \n\t"
"sb %[q1_l], +2(%[sq1]) \n\t"
"sb %[q2_l], +2(%[sq2]) \n\t"
:
: [p2_l] "r"(p2_l), [p1_l] "r"(p1_l), [p0_l] "r"(p0_l),
[q0_l] "r"(q0_l), [q1_l] "r"(q1_l), [q2_l] "r"(q2_l),
[sp2] "r"(sp2), [sp1] "r"(sp1), [sp0] "r"(sp0), [sq0] "r"(sq0),
[sq1] "r"(sq1), [sq2] "r"(sq2));
} else if (mask & 0x00FF0000) {
__asm__ __volatile__(
"sb %[p1_f0], +2(%[sp1]) \n\t"
"sb %[p0_f0], +2(%[sp0]) \n\t"
"sb %[q0_f0], +2(%[sq0]) \n\t"
"sb %[q1_f0], +2(%[sq1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [sp1] "r"(sp1), [sp0] "r"(sp0),
[sq0] "r"(sq0), [sq1] "r"(sq1));
}
__asm__ __volatile__(
"srl %[p2_l], %[p2_l], 16 \n\t"
"srl %[p1_l], %[p1_l], 16 \n\t"
"srl %[p0_l], %[p0_l], 16 \n\t"
"srl %[q0_l], %[q0_l], 16 \n\t"
"srl %[q1_l], %[q1_l], 16 \n\t"
"srl %[q2_l], %[q2_l], 16 \n\t"
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2_l] "+r"(p2_l), [p1_l] "+r"(p1_l), [p0_l] "+r"(p0_l),
[q0_l] "+r"(q0_l), [q1_l] "+r"(q1_l), [q2_l] "+r"(q2_l),
[p1_f0] "+r"(p1_f0), [p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0),
[q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0xFF000000) {
__asm__ __volatile__(
"sb %[p2_l], +3(%[sp2]) \n\t"
"sb %[p1_l], +3(%[sp1]) \n\t"
"sb %[p0_l], +3(%[sp0]) \n\t"
"sb %[q0_l], +3(%[sq0]) \n\t"
"sb %[q1_l], +3(%[sq1]) \n\t"
"sb %[q2_l], +3(%[sq2]) \n\t"
:
: [p2_l] "r"(p2_l), [p1_l] "r"(p1_l), [p0_l] "r"(p0_l),
[q0_l] "r"(q0_l), [q1_l] "r"(q1_l), [q2_l] "r"(q2_l),
[sp2] "r"(sp2), [sp1] "r"(sp1), [sp0] "r"(sp0), [sq0] "r"(sq0),
[sq1] "r"(sq1), [sq2] "r"(sq2));
} else if (mask & 0xFF000000) {
__asm__ __volatile__(
"sb %[p1_f0], +3(%[sp1]) \n\t"
"sb %[p0_f0], +3(%[sp0]) \n\t"
"sb %[q0_f0], +3(%[sq0]) \n\t"
"sb %[q1_f0], +3(%[sq1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [sp1] "r"(sp1), [sp0] "r"(sp0),
[sq0] "r"(sq0), [sq1] "r"(sq1));
}
}
s = s + 4;
}
}
void vpx_lpf_vertical_8_dspr2(unsigned char *s, int pitch,
const uint8_t *blimit, const uint8_t *limit,
const uint8_t *thresh) {
uint8_t i;
uint32_t mask, hev, flat;
uint8_t *s1, *s2, *s3, *s4;
uint32_t prim1, prim2, sec3, sec4, prim3, prim4;
uint32_t thresh_vec, flimit_vec, limit_vec;
uint32_t uflimit, ulimit, uthresh;
uint32_t p3, p2, p1, p0, q3, q2, q1, q0;
uint32_t p1_f0, p0_f0, q0_f0, q1_f0;
uint32_t p0_l, p1_l, p2_l, p3_l, q0_l, q1_l, q2_l, q3_l;
uint32_t p0_r, p1_r, p2_r, p3_r, q0_r, q1_r, q2_r, q3_r;
uflimit = *blimit;
ulimit = *limit;
uthresh = *thresh;
/* create quad-byte */
__asm__ __volatile__(
"replv.qb %[thresh_vec], %[uthresh] \n\t"
"replv.qb %[flimit_vec], %[uflimit] \n\t"
"replv.qb %[limit_vec], %[ulimit] \n\t"
: [thresh_vec] "=&r"(thresh_vec), [flimit_vec] "=&r"(flimit_vec),
[limit_vec] "=r"(limit_vec)
: [uthresh] "r"(uthresh), [uflimit] "r"(uflimit), [ulimit] "r"(ulimit));
prefetch_store(s + pitch);
for (i = 0; i < 2; i++) {
s1 = s;
s2 = s + pitch;
s3 = s2 + pitch;
s4 = s3 + pitch;
s = s4 + pitch;
__asm__ __volatile__(
"lw %[p0], -4(%[s1]) \n\t"
"lw %[p1], -4(%[s2]) \n\t"
"lw %[p2], -4(%[s3]) \n\t"
"lw %[p3], -4(%[s4]) \n\t"
"lw %[q3], (%[s1]) \n\t"
"lw %[q2], (%[s2]) \n\t"
"lw %[q1], (%[s3]) \n\t"
"lw %[q0], (%[s4]) \n\t"
: [p3] "=&r"(p3), [p2] "=&r"(p2), [p1] "=&r"(p1), [p0] "=&r"(p0),
[q0] "=&r"(q0), [q1] "=&r"(q1), [q2] "=&r"(q2), [q3] "=&r"(q3)
: [s1] "r"(s1), [s2] "r"(s2), [s3] "r"(s3), [s4] "r"(s4));
/* transpose p3, p2, p1, p0
original (when loaded from memory)
register -4 -3 -2 -1
p0 p0_0 p0_1 p0_2 p0_3
p1 p1_0 p1_1 p1_2 p1_3
p2 p2_0 p2_1 p2_2 p2_3
p3 p3_0 p3_1 p3_2 p3_3
after transpose
register
p0 p3_3 p2_3 p1_3 p0_3
p1 p3_2 p2_2 p1_2 p0_2
p2 p3_1 p2_1 p1_1 p0_1
p3 p3_0 p2_0 p1_0 p0_0
*/
__asm__ __volatile__(
"precrq.qb.ph %[prim1], %[p0], %[p1] \n\t"
"precr.qb.ph %[prim2], %[p0], %[p1] \n\t"
"precrq.qb.ph %[prim3], %[p2], %[p3] \n\t"
"precr.qb.ph %[prim4], %[p2], %[p3] \n\t"
"precrq.qb.ph %[p1], %[prim1], %[prim2] \n\t"
"precr.qb.ph %[p3], %[prim1], %[prim2] \n\t"
"precrq.qb.ph %[sec3], %[prim3], %[prim4] \n\t"
"precr.qb.ph %[sec4], %[prim3], %[prim4] \n\t"
"precrq.ph.w %[p0], %[p1], %[sec3] \n\t"
"precrq.ph.w %[p2], %[p3], %[sec4] \n\t"
"append %[p1], %[sec3], 16 \n\t"
"append %[p3], %[sec4], 16 \n\t"
: [prim1] "=&r"(prim1), [prim2] "=&r"(prim2), [prim3] "=&r"(prim3),
[prim4] "=&r"(prim4), [p0] "+r"(p0), [p1] "+r"(p1), [p2] "+r"(p2),
[p3] "+r"(p3), [sec3] "=&r"(sec3), [sec4] "=&r"(sec4)
:);
/* transpose q0, q1, q2, q3
original (when loaded from memory)
register +1 +2 +3 +4
q3 q3_0 q3_1 q3_2 q3_3
q2 q2_0 q2_1 q2_2 q2_3
q1 q1_0 q1_1 q1_2 q1_3
q0 q0_0 q0_1 q0_2 q0_3
after transpose
register
q3 q0_3 q1_3 q2_3 q3_3
q2 q0_2 q1_2 q2_2 q3_2
q1 q0_1 q1_1 q2_1 q3_1
q0 q0_0 q1_0 q2_0 q3_0
*/
__asm__ __volatile__(
"precrq.qb.ph %[prim1], %[q3], %[q2] \n\t"
"precr.qb.ph %[prim2], %[q3], %[q2] \n\t"
"precrq.qb.ph %[prim3], %[q1], %[q0] \n\t"
"precr.qb.ph %[prim4], %[q1], %[q0] \n\t"
"precrq.qb.ph %[q2], %[prim1], %[prim2] \n\t"
"precr.qb.ph %[q0], %[prim1], %[prim2] \n\t"
"precrq.qb.ph %[sec3], %[prim3], %[prim4] \n\t"
"precr.qb.ph %[sec4], %[prim3], %[prim4] \n\t"
"precrq.ph.w %[q3], %[q2], %[sec3] \n\t"
"precrq.ph.w %[q1], %[q0], %[sec4] \n\t"
"append %[q2], %[sec3], 16 \n\t"
"append %[q0], %[sec4], 16 \n\t"
: [prim1] "=&r"(prim1), [prim2] "=&r"(prim2), [prim3] "=&r"(prim3),
[prim4] "=&r"(prim4), [q3] "+r"(q3), [q2] "+r"(q2), [q1] "+r"(q1),
[q0] "+r"(q0), [sec3] "=&r"(sec3), [sec4] "=&r"(sec4)
:);
filter_hev_mask_flatmask4_dspr2(limit_vec, flimit_vec, thresh_vec, p1, p0,
p3, p2, q0, q1, q2, q3, &hev, &mask, &flat);
if ((flat == 0) && (mask != 0)) {
filter1_dspr2(mask, hev, p1, p0, q0, q1, &p1_f0, &p0_f0, &q0_f0, &q1_f0);
STORE_F0()
} else if ((mask & flat) == 0xFFFFFFFF) {
/* left 2 element operation */
PACK_LEFT_0TO3()
mbfilter_dspr2(&p3_l, &p2_l, &p1_l, &p0_l, &q0_l, &q1_l, &q2_l, &q3_l);
/* right 2 element operation */
PACK_RIGHT_0TO3()
mbfilter_dspr2(&p3_r, &p2_r, &p1_r, &p0_r, &q0_r, &q1_r, &q2_r, &q3_r);
STORE_F1()
} else if ((flat != 0) && (mask != 0)) {
filter1_dspr2(mask, hev, p1, p0, q0, q1, &p1_f0, &p0_f0, &q0_f0, &q1_f0);
/* left 2 element operation */
PACK_LEFT_0TO3()
mbfilter_dspr2(&p3_l, &p2_l, &p1_l, &p0_l, &q0_l, &q1_l, &q2_l, &q3_l);
/* right 2 element operation */
PACK_RIGHT_0TO3()
mbfilter_dspr2(&p3_r, &p2_r, &p1_r, &p0_r, &q0_r, &q1_r, &q2_r, &q3_r);
if (mask & flat & 0x000000FF) {
__asm__ __volatile__(
"sb %[p2_r], -3(%[s4]) \n\t"
"sb %[p1_r], -2(%[s4]) \n\t"
"sb %[p0_r], -1(%[s4]) \n\t"
"sb %[q0_r], (%[s4]) \n\t"
"sb %[q1_r], +1(%[s4]) \n\t"
"sb %[q2_r], +2(%[s4]) \n\t"
:
: [p2_r] "r"(p2_r), [p1_r] "r"(p1_r), [p0_r] "r"(p0_r),
[q0_r] "r"(q0_r), [q1_r] "r"(q1_r), [q2_r] "r"(q2_r),
[s4] "r"(s4));
} else if (mask & 0x000000FF) {
__asm__ __volatile__(
"sb %[p1_f0], -2(%[s4]) \n\t"
"sb %[p0_f0], -1(%[s4]) \n\t"
"sb %[q0_f0], (%[s4]) \n\t"
"sb %[q1_f0], +1(%[s4]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [s4] "r"(s4));
}
__asm__ __volatile__(
"srl %[p2_r], %[p2_r], 16 \n\t"
"srl %[p1_r], %[p1_r], 16 \n\t"
"srl %[p0_r], %[p0_r], 16 \n\t"
"srl %[q0_r], %[q0_r], 16 \n\t"
"srl %[q1_r], %[q1_r], 16 \n\t"
"srl %[q2_r], %[q2_r], 16 \n\t"
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2_r] "+r"(p2_r), [p1_r] "+r"(p1_r), [p0_r] "+r"(p0_r),
[q0_r] "+r"(q0_r), [q1_r] "+r"(q1_r), [q2_r] "+r"(q2_r),
[p1_f0] "+r"(p1_f0), [p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0),
[q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0x0000FF00) {
__asm__ __volatile__(
"sb %[p2_r], -3(%[s3]) \n\t"
"sb %[p1_r], -2(%[s3]) \n\t"
"sb %[p0_r], -1(%[s3]) \n\t"
"sb %[q0_r], (%[s3]) \n\t"
"sb %[q1_r], +1(%[s3]) \n\t"
"sb %[q2_r], +2(%[s3]) \n\t"
:
: [p2_r] "r"(p2_r), [p1_r] "r"(p1_r), [p0_r] "r"(p0_r),
[q0_r] "r"(q0_r), [q1_r] "r"(q1_r), [q2_r] "r"(q2_r),
[s3] "r"(s3));
} else if (mask & 0x0000FF00) {
__asm__ __volatile__(
"sb %[p1_f0], -2(%[s3]) \n\t"
"sb %[p0_f0], -1(%[s3]) \n\t"
"sb %[q0_f0], (%[s3]) \n\t"
"sb %[q1_f0], +1(%[s3]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [s3] "r"(s3));
}
__asm__ __volatile__(
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2] "+r"(p2), [p1] "+r"(p1), [p0] "+r"(p0), [q0] "+r"(q0),
[q1] "+r"(q1), [q2] "+r"(q2), [p1_f0] "+r"(p1_f0),
[p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0), [q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0x00FF0000) {
__asm__ __volatile__(
"sb %[p2_l], -3(%[s2]) \n\t"
"sb %[p1_l], -2(%[s2]) \n\t"
"sb %[p0_l], -1(%[s2]) \n\t"
"sb %[q0_l], (%[s2]) \n\t"
"sb %[q1_l], +1(%[s2]) \n\t"
"sb %[q2_l], +2(%[s2]) \n\t"
:
: [p2_l] "r"(p2_l), [p1_l] "r"(p1_l), [p0_l] "r"(p0_l),
[q0_l] "r"(q0_l), [q1_l] "r"(q1_l), [q2_l] "r"(q2_l),
[s2] "r"(s2));
} else if (mask & 0x00FF0000) {
__asm__ __volatile__(
"sb %[p1_f0], -2(%[s2]) \n\t"
"sb %[p0_f0], -1(%[s2]) \n\t"
"sb %[q0_f0], (%[s2]) \n\t"
"sb %[q1_f0], +1(%[s2]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [s2] "r"(s2));
}
__asm__ __volatile__(
"srl %[p2_l], %[p2_l], 16 \n\t"
"srl %[p1_l], %[p1_l], 16 \n\t"
"srl %[p0_l], %[p0_l], 16 \n\t"
"srl %[q0_l], %[q0_l], 16 \n\t"
"srl %[q1_l], %[q1_l], 16 \n\t"
"srl %[q2_l], %[q2_l], 16 \n\t"
"srl %[p1_f0], %[p1_f0], 8 \n\t"
"srl %[p0_f0], %[p0_f0], 8 \n\t"
"srl %[q0_f0], %[q0_f0], 8 \n\t"
"srl %[q1_f0], %[q1_f0], 8 \n\t"
: [p2_l] "+r"(p2_l), [p1_l] "+r"(p1_l), [p0_l] "+r"(p0_l),
[q0_l] "+r"(q0_l), [q1_l] "+r"(q1_l), [q2_l] "+r"(q2_l),
[p1_f0] "+r"(p1_f0), [p0_f0] "+r"(p0_f0), [q0_f0] "+r"(q0_f0),
[q1_f0] "+r"(q1_f0)
:);
if (mask & flat & 0xFF000000) {
__asm__ __volatile__(
"sb %[p2_l], -3(%[s1]) \n\t"
"sb %[p1_l], -2(%[s1]) \n\t"
"sb %[p0_l], -1(%[s1]) \n\t"
"sb %[q0_l], (%[s1]) \n\t"
"sb %[q1_l], +1(%[s1]) \n\t"
"sb %[q2_l], +2(%[s1]) \n\t"
:
: [p2_l] "r"(p2_l), [p1_l] "r"(p1_l), [p0_l] "r"(p0_l),
[q0_l] "r"(q0_l), [q1_l] "r"(q1_l), [q2_l] "r"(q2_l),
[s1] "r"(s1));
} else if (mask & 0xFF000000) {
__asm__ __volatile__(
"sb %[p1_f0], -2(%[s1]) \n\t"
"sb %[p0_f0], -1(%[s1]) \n\t"
"sb %[q0_f0], (%[s1]) \n\t"
"sb %[q1_f0], +1(%[s1]) \n\t"
:
: [p1_f0] "r"(p1_f0), [p0_f0] "r"(p0_f0), [q0_f0] "r"(q0_f0),
[q1_f0] "r"(q1_f0), [s1] "r"(s1));
}
}
}
}
#endif // #if HAVE_DSPR2