/*
* Copyright (c) 2002 Brian Foley
* Copyright (c) 2002 Dieter Shirley
- * Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org>
+ * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
-#include "../dsputil.h"
+
+#include "dsputil.h"
#include "gcc_fixes.h"
#include "dsputil_altivec.h"
-
-#ifdef CONFIG_DARWIN
-#include <sys/sysctl.h>
-#else /* CONFIG_DARWIN */
-#include <signal.h>
-#include <setjmp.h>
-
-static sigjmp_buf jmpbuf;
-static volatile sig_atomic_t canjump = 0;
-
-static void sigill_handler (int sig)
-{
- if (!canjump) {
- signal (sig, SIG_DFL);
- raise (sig);
- }
-
- canjump = 0;
- siglongjmp (jmpbuf, 1);
-}
-#endif /* CONFIG_DARWIN */
+#include "util_altivec.h"
int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned char zero = (const vector unsigned char)vec_splat_u8(0);
vector unsigned char *tv;
vector unsigned char pix1v, pix2v, pix2iv, avgv, t5;
/*
Read unaligned pixels into our vectors. The vectors are as follows:
pix1v: pix1[0]-pix1[15]
- pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
+ pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
*/
tv = (vector unsigned char *) pix1;
pix1v = vec_perm(tv[0], tv[1], vec_lvsl(0, pix1));
-
+
tv = (vector unsigned char *) &pix2[0];
pix2v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[0]));
/* Add each 4 pixel group together and put 4 results into sad */
sad = vec_sum4s(t5, sad);
-
+
pix1 += line_size;
pix2 += line_size;
}
int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned char zero = (const vector unsigned char)vec_splat_u8(0);
vector unsigned char *tv;
vector unsigned char pix1v, pix2v, pix3v, avgv, t5;
*/
tv = (vector unsigned char *) &pix2[0];
pix2v = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix2[0]));
-
+
for(i=0;i<h;i++) {
/*
Read unaligned pixels into our vectors. The vectors are as follows:
/* Add each 4 pixel group together and put 4 results into sad */
sad = vec_sum4s(t5, sad);
-
+
pix1 += line_size;
pix2v = pix3v;
pix3 += line_size;
-
+
}
-
+
/* Sum up the four partial sums, and put the result into s */
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
sumdiffs = vec_splat(sumdiffs, 3);
vec_ste(sumdiffs, 0, &s);
- return s;
+ return s;
}
int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
uint8_t *pix3 = pix2 + line_size;
const vector unsigned char zero = (const vector unsigned char)vec_splat_u8(0);
const vector unsigned short two = (const vector unsigned short)vec_splat_u16(2);
vector signed int sumdiffs;
sad = (vector unsigned int)vec_splat_u32(0);
-
+
s = 0;
/*
fact to avoid a potentially expensive unaligned read, as well
as some splitting, and vector addition each time around the loop.
Read unaligned pixels into our vectors. The vectors are as follows:
- pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
+ pix2v: pix2[0]-pix2[15] pix2iv: pix2[1]-pix2[16]
Split the pixel vectors into shorts
*/
tv = (vector unsigned char *) &pix2[0];
pix2ilv = (vector unsigned short) vec_mergel(zero, pix2iv);
t1 = vec_add(pix2hv, pix2ihv);
t2 = vec_add(pix2lv, pix2ilv);
-
+
for(i=0;i<h;i++) {
/*
Read unaligned pixels into our vectors. The vectors are as follows:
pix1v: pix1[0]-pix1[15]
- pix3v: pix3[0]-pix3[15] pix3iv: pix3[1]-pix3[16]
+ pix3v: pix3[0]-pix3[15] pix3iv: pix3[1]-pix3[16]
*/
tv = (vector unsigned char *) pix1;
pix1v = vec_perm(tv[0], tv[1], vec_lvsl(0, pix1));
pix3iv = vec_perm(tv[0], tv[1], vec_lvsl(0, &pix3[1]));
/*
- Note that Altivec does have vec_avg, but this works on vector pairs
+ Note that AltiVec does have vec_avg, but this works on vector pairs
and rounds up. We could do avg(avg(a,b),avg(c,d)), but the rounding
would mean that, for example, avg(3,0,0,1) = 2, when it should be 1.
Instead, we have to split the pixel vectors into vectors of shorts,
int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned int zero = (const vector unsigned int)vec_splat_u32(0);
vector unsigned char perm1, perm2, *pix1v, *pix2v;
vector unsigned char t1, t2, t3,t4, t5;
vector unsigned int sad;
vector signed int sumdiffs;
-
+
sad = (vector unsigned int)vec_splat_u32(0);
for(i=0;i<h;i++) {
- /* Read potentially unaligned pixels into t1 and t2 */
+ /* Read potentially unaligned pixels into t1 and t2 */
perm1 = vec_lvsl(0, pix1);
pix1v = (vector unsigned char *) pix1;
perm2 = vec_lvsl(0, pix2);
pix2v = (vector unsigned char *) pix2;
t1 = vec_perm(pix1v[0], pix1v[1], perm1);
t2 = vec_perm(pix2v[0], pix2v[1], perm2);
-
- /* Calculate a sum of abs differences vector */
+
+ /* Calculate a sum of abs differences vector */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
-
- /* Add each 4 pixel group together and put 4 results into sad */
+
+ /* Add each 4 pixel group together and put 4 results into sad */
sad = vec_sum4s(t5, sad);
pix1 += line_size;
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
sumdiffs = vec_splat(sumdiffs, 3);
vec_ste(sumdiffs, 0, &s);
-
+
return s;
}
int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned int zero = (const vector unsigned int)vec_splat_u32(0);
vector unsigned char perm1, perm2, permclear, *pix1v, *pix2v;
vector unsigned char t1, t2, t3,t4, t5;
permclear = (vector unsigned char)AVV(255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0);
for(i=0;i<h;i++) {
- /* Read potentially unaligned pixels into t1 and t2
- Since we're reading 16 pixels, and actually only want 8,
- mask out the last 8 pixels. The 0s don't change the sum. */
+ /* Read potentially unaligned pixels into t1 and t2
+ Since we're reading 16 pixels, and actually only want 8,
+ mask out the last 8 pixels. The 0s don't change the sum. */
perm1 = vec_lvsl(0, pix1);
pix1v = (vector unsigned char *) pix1;
perm2 = vec_lvsl(0, pix2);
t1 = vec_and(vec_perm(pix1v[0], pix1v[1], perm1), permclear);
t2 = vec_and(vec_perm(pix2v[0], pix2v[1], perm2), permclear);
- /* Calculate a sum of abs differences vector */
+ /* Calculate a sum of abs differences vector */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
- /* Add each 4 pixel group together and put 4 results into sad */
+ /* Add each 4 pixel group together and put 4 results into sad */
sad = vec_sum4s(t5, sad);
pix1 += line_size;
int pix_norm1_altivec(uint8_t *pix, int line_size)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned int zero = (const vector unsigned int)vec_splat_u32(0);
vector unsigned char *tv;
vector unsigned char pixv;
vector unsigned int sv;
vector signed int sum;
-
+
sv = (vector unsigned int)vec_splat_u32(0);
-
+
s = 0;
for (i = 0; i < 16; i++) {
/* Read in the potentially unaligned pixels */
int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned int zero = (const vector unsigned int)vec_splat_u32(0);
vector unsigned char perm1, perm2, permclear, *pix1v, *pix2v;
vector unsigned char t1, t2, t3,t4, t5;
vector unsigned int sum;
vector signed int sumsqr;
-
+
sum = (vector unsigned int)vec_splat_u32(0);
permclear = (vector unsigned char)AVV(255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,0);
-
+
for(i=0;i<h;i++) {
- /* Read potentially unaligned pixels into t1 and t2
- Since we're reading 16 pixels, and actually only want 8,
- mask out the last 8 pixels. The 0s don't change the sum. */
+ /* Read potentially unaligned pixels into t1 and t2
+ Since we're reading 16 pixels, and actually only want 8,
+ mask out the last 8 pixels. The 0s don't change the sum. */
perm1 = vec_lvsl(0, pix1);
pix1v = (vector unsigned char *) pix1;
perm2 = vec_lvsl(0, pix2);
Since we want to use unsigned chars, we can take advantage
of the fact that abs(a-b)^2 = (a-b)^2.
*/
-
- /* Calculate abs differences vector */
+
+ /* Calculate abs differences vector */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
-
+
/* Square the values and add them to our sum */
sum = vec_msum(t5, t5, sum);
-
+
pix1 += line_size;
pix2 += line_size;
}
-
+
/* Sum up the four partial sums, and put the result into s */
sumsqr = vec_sums((vector signed int) sum, (vector signed int) zero);
sumsqr = vec_splat(sumsqr, 3);
vec_ste(sumsqr, 0, &s);
-
+
return s;
}
int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
{
int i;
- int s __attribute__((aligned(16)));
+ DECLARE_ALIGNED_16(int, s);
const vector unsigned int zero = (const vector unsigned int)vec_splat_u32(0);
vector unsigned char perm1, perm2, *pix1v, *pix2v;
vector unsigned char t1, t2, t3,t4, t5;
vector unsigned int sum;
vector signed int sumsqr;
-
+
sum = (vector unsigned int)vec_splat_u32(0);
-
+
for(i=0;i<h;i++) {
- /* Read potentially unaligned pixels into t1 and t2 */
+ /* Read potentially unaligned pixels into t1 and t2 */
perm1 = vec_lvsl(0, pix1);
pix1v = (vector unsigned char *) pix1;
perm2 = vec_lvsl(0, pix2);
Since we want to use unsigned chars, we can take advantage
of the fact that abs(a-b)^2 = (a-b)^2.
*/
-
- /* Calculate abs differences vector */
+
+ /* Calculate abs differences vector */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
-
+
/* Square the values and add them to our sum */
sum = vec_msum(t5, t5, sum);
-
+
pix1 += line_size;
pix2 += line_size;
}
-
+
/* Sum up the four partial sums, and put the result into s */
sumsqr = vec_sums((vector signed int) sum, (vector signed int) zero);
sumsqr = vec_splat(sumsqr, 3);
vec_ste(sumsqr, 0, &s);
-
+
return s;
}
vector signed int sumdiffs;
int i;
- int s __attribute__((aligned(16)));
-
+ DECLARE_ALIGNED_16(int, s);
+
sad = (vector unsigned int)vec_splat_u32(0);
-
+
for (i = 0; i < 16; i++) {
- /* Read the potentially unaligned 16 pixels into t1 */
+ /* Read the potentially unaligned 16 pixels into t1 */
perm = vec_lvsl(0, pix);
pixv = (vector unsigned char *) pix;
t1 = vec_perm(pixv[0], pixv[1], perm);
- /* Add each 4 pixel group together and put 4 results into sad */
+ /* Add each 4 pixel group together and put 4 results into sad */
sad = vec_sum4s(t1, sad);
-
+
pix += line_size;
}
-
+
/* Sum up the four partial sums, and put the result into s */
sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero);
sumdiffs = vec_splat(sumdiffs, 3);
vec_ste(sumdiffs, 0, &s);
-
+
return s;
}
}
void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w) {
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int i;
- for(i=0; i+7<w; i++){
- dst[i+0] += src[i+0];
- dst[i+1] += src[i+1];
- dst[i+2] += src[i+2];
- dst[i+3] += src[i+3];
- dst[i+4] += src[i+4];
- dst[i+5] += src[i+5];
- dst[i+6] += src[i+6];
- dst[i+7] += src[i+7];
- }
- for(; i<w; i++)
- dst[i+0] += src[i+0];
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char vdst, vsrc;
-
+
/* dst and src are 16 bytes-aligned (guaranteed) */
- for(i = 0 ; (i + 15) < w ; i++)
+ for(i = 0 ; (i + 15) < w ; i+=16)
{
- vdst = vec_ld(i << 4, (unsigned char*)dst);
- vsrc = vec_ld(i << 4, (unsigned char*)src);
+ vdst = vec_ld(i, (unsigned char*)dst);
+ vsrc = vec_ld(i, (unsigned char*)src);
vdst = vec_add(vsrc, vdst);
- vec_st(vdst, i << 4, (unsigned char*)dst);
+ vec_st(vdst, i, (unsigned char*)dst);
}
/* if w is not a multiple of 16 */
for (; (i < w) ; i++)
{
dst[i] = src[i];
}
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 16) == 0) */
void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels16_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int i;
-
-POWERPC_PERF_START_COUNT(altivec_put_pixels16_num, 1);
-
- for(i=0; i<h; i++) {
- *((uint32_t*)(block )) = (((const struct unaligned_32 *) (pixels))->l);
- *((uint32_t*)(block+4)) = (((const struct unaligned_32 *) (pixels+4))->l);
- *((uint32_t*)(block+8)) = (((const struct unaligned_32 *) (pixels+8))->l);
- *((uint32_t*)(block+12)) = (((const struct unaligned_32 *) (pixels+12))->l);
- pixels+=line_size;
- block +=line_size;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register vector unsigned char pixelsv1, pixelsv2;
register vector unsigned char pixelsv1B, pixelsv2B;
register vector unsigned char pixelsv1C, pixelsv2C;
#else
for(i=0; i<h; i+=4) {
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
- pixelsv2 = vec_ld(16, (unsigned char*)pixels);
+ pixelsv2 = vec_ld(15, (unsigned char*)pixels);
pixelsv1B = vec_ld(line_size, (unsigned char*)pixels);
- pixelsv2B = vec_ld(16 + line_size, (unsigned char*)pixels);
+ pixelsv2B = vec_ld(15 + line_size, (unsigned char*)pixels);
pixelsv1C = vec_ld(line_size_2, (unsigned char*)pixels);
- pixelsv2C = vec_ld(16 + line_size_2, (unsigned char*)pixels);
+ pixelsv2C = vec_ld(15 + line_size_2, (unsigned char*)pixels);
pixelsv1D = vec_ld(line_size_3, (unsigned char*)pixels);
- pixelsv2D = vec_ld(16 + line_size_3, (unsigned char*)pixels);
+ pixelsv2D = vec_ld(15 + line_size_3, (unsigned char*)pixels);
vec_st(vec_perm(pixelsv1, pixelsv2, perm),
0, (unsigned char*)block);
vec_st(vec_perm(pixelsv1B, pixelsv2B, perm),
}
#endif
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_num, 1);
-
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 16) == 0) */
void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_avg_pixels16_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int i;
-
-POWERPC_PERF_START_COUNT(altivec_avg_pixels16_num, 1);
-
- for(i=0; i<h; i++) {
- op_avg(*((uint32_t*)(block)),(((const struct unaligned_32 *)(pixels))->l));
- op_avg(*((uint32_t*)(block+4)),(((const struct unaligned_32 *)(pixels+4))->l));
- op_avg(*((uint32_t*)(block+8)),(((const struct unaligned_32 *)(pixels+8))->l));
- op_avg(*((uint32_t*)(block+12)),(((const struct unaligned_32 *)(pixels+12))->l));
- pixels+=line_size;
- block +=line_size;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_avg_pixels16_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
register vector unsigned char perm = vec_lvsl(0, pixels);
int i;
}
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels16_num, 1);
-
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 8) == 0) */
void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_avg_pixels8_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int i;
-POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
- for (i = 0; i < h; i++) {
- *((uint32_t *) (block)) =
- (((*((uint32_t *) (block))) |
- ((((const struct unaligned_32 *) (pixels))->l))) -
- ((((*((uint32_t *) (block))) ^
- ((((const struct unaligned_32 *) (pixels))->
- l))) & 0xFEFEFEFEUL) >> 1));
- *((uint32_t *) (block + 4)) =
- (((*((uint32_t *) (block + 4))) |
- ((((const struct unaligned_32 *) (pixels + 4))->l))) -
- ((((*((uint32_t *) (block + 4))) ^
- ((((const struct unaligned_32 *) (pixels +
- 4))->
- l))) & 0xFEFEFEFEUL) >> 1));
- pixels += line_size;
- block += line_size;
- }
-POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
int i;
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
-
+
for (i = 0; i < h; i++) {
/*
block is 8 bytes-aligned, so we're either in the
left block (16 bytes-aligned) or in the right block (not)
*/
int rightside = ((unsigned long)block & 0x0000000F);
-
+
blockv = vec_ld(0, block);
pixelsv1 = vec_ld(0, (unsigned char*)pixels);
pixelsv2 = vec_ld(16, (unsigned char*)pixels);
pixelsv = vec_perm(pixelsv1, pixelsv2, vec_lvsl(0, pixels));
-
+
if (rightside)
{
pixelsv = vec_perm(blockv, pixelsv, vcprm(0,1,s0,s1));
{
pixelsv = vec_perm(blockv, pixelsv, vcprm(s0,s1,2,3));
}
-
+
blockv = vec_avg(blockv, pixelsv);
vec_st(blockv, 0, block);
-
+
pixels += line_size;
block += line_size;
}
-
+
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1);
-
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 8) == 0) */
void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels8_xy2_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int j;
-POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
- for (j = 0; j < 2; j++) {
- int i;
- const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- const uint32_t b =
- (((const struct unaligned_32 *) (pixels + 1))->l);
- uint32_t l0 =
- (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
- uint32_t h0 =
- ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- uint32_t l1, h1;
- pixels += line_size;
- for (i = 0; i < h; i += 2) {
- uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
- h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- a = (((const struct unaligned_32 *) (pixels))->l);
- b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
- h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- } pixels += 4 - line_size * (h + 1);
- block += 4 - line_size * h;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char
pixelsv1, pixelsv2,
pixelssum1, pixelssum2, temp3;
register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0);
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
-
+
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vctwo);
-
-POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
+
+POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
temp3 = vec_sra(temp3, vctwo);
pixelssum1 = vec_add(pixelssum2, vctwo);
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
-
+
if (rightside)
{
blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
{
blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
}
-
+
vec_st(blockv, 0, block);
-
+
block += line_size;
pixels += line_size;
}
-
+
POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 8) == 0) */
void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels8_xy2_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int j;
-POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
- for (j = 0; j < 2; j++) {
- int i;
- const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- const uint32_t b =
- (((const struct unaligned_32 *) (pixels + 1))->l);
- uint32_t l0 =
- (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
- uint32_t h0 =
- ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- uint32_t l1, h1;
- pixels += line_size;
- for (i = 0; i < h; i += 2) {
- uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
- h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- a = (((const struct unaligned_32 *) (pixels))->l);
- b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
- h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- } pixels += 4 - line_size * (h + 1);
- block += 4 - line_size * h;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char
pixelsv1, pixelsv2,
register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0);
register const vector unsigned short vcone = (const vector unsigned short)vec_splat_u16(1);
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
-
+
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vcone);
-
-POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
+
+POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
temp3 = vec_sra(temp3, vctwo);
pixelssum1 = vec_add(pixelssum2, vcone);
pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
-
+
if (rightside)
{
blockv = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
{
blockv = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
}
-
+
vec_st(blockv, 0, block);
-
+
block += line_size;
pixels += line_size;
}
-
+
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 16) == 0) */
void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels16_xy2_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int j;
-POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
- for (j = 0; j < 4; j++) {
- int i;
- const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- const uint32_t b =
- (((const struct unaligned_32 *) (pixels + 1))->l);
- uint32_t l0 =
- (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
- uint32_t h0 =
- ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- uint32_t l1, h1;
- pixels += line_size;
- for (i = 0; i < h; i += 2) {
- uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
- h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- a = (((const struct unaligned_32 *) (pixels))->l);
- b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x02020202UL;
- h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- } pixels += 4 - line_size * (h + 1);
- block += 4 - line_size * h;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char
pixelsv1, pixelsv2, pixelsv3, pixelsv4;
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
-
+
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vctwo);
-
+
for (i = 0; i < h ; i++) {
blockv = vec_ld(0, block);
pixelsv4 = vec_mergel(vczero, pixelsv2);
pixelsv1 = vec_mergeh(vczero, pixelsv1);
pixelsv2 = vec_mergeh(vczero, pixelsv2);
-
+
pixelssum4 = vec_add((vector unsigned short)pixelsv3,
(vector unsigned short)pixelsv4);
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
pixelssum1 = vec_add(pixelssum2, vctwo);
blockv = vec_packsu(temp3, temp4);
-
+
vec_st(blockv, 0, block);
-
+
block += line_size;
pixels += line_size;
}
-
+
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1);
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
/* next one assumes that ((line_size % 16) == 0) */
void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels16_xy2_num, 1);
-#ifdef ALTIVEC_USE_REFERENCE_C_CODE
- int j;
-POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
- for (j = 0; j < 4; j++) {
- int i;
- const uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- const uint32_t b =
- (((const struct unaligned_32 *) (pixels + 1))->l);
- uint32_t l0 =
- (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
- uint32_t h0 =
- ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- uint32_t l1, h1;
- pixels += line_size;
- for (i = 0; i < h; i += 2) {
- uint32_t a = (((const struct unaligned_32 *) (pixels))->l);
- uint32_t b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l1 = (a & 0x03030303UL) + (b & 0x03030303UL);
- h1 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- a = (((const struct unaligned_32 *) (pixels))->l);
- b = (((const struct unaligned_32 *) (pixels + 1))->l);
- l0 = (a & 0x03030303UL) + (b & 0x03030303UL) + 0x01010101UL;
- h0 = ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2);
- *((uint32_t *) block) =
- h0 + h1 + (((l0 + l1) >> 2) & 0x0F0F0F0FUL);
- pixels += line_size;
- block += line_size;
- } pixels += 4 - line_size * (h + 1);
- block += 4 - line_size * h;
- }
-
-POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
-
-#else /* ALTIVEC_USE_REFERENCE_C_CODE */
register int i;
register vector unsigned char
pixelsv1, pixelsv2, pixelsv3, pixelsv4;
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
-
+
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
pixelssum1 = vec_add((vector unsigned short)pixelsv1,
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vcone);
-
+
for (i = 0; i < h ; i++) {
blockv = vec_ld(0, block);
pixelsv4 = vec_mergel(vczero, pixelsv2);
pixelsv1 = vec_mergeh(vczero, pixelsv1);
pixelsv2 = vec_mergeh(vczero, pixelsv2);
-
+
pixelssum4 = vec_add((vector unsigned short)pixelsv3,
(vector unsigned short)pixelsv4);
pixelssum2 = vec_add((vector unsigned short)pixelsv1,
pixelssum1 = vec_add(pixelssum2, vcone);
blockv = vec_packsu(temp3, temp4);
-
+
vec_st(blockv, 0, block);
-
+
block += line_size;
pixels += line_size;
}
-
+
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
-#endif /* ALTIVEC_USE_REFERENCE_C_CODE */
}
-int has_altivec(void)
+int hadamard8_diff8x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
+POWERPC_PERF_DECLARE(altivec_hadamard8_diff8x8_num, 1);
+ int sum;
+ register const vector unsigned char vzero =
+ (const vector unsigned char)vec_splat_u8(0);
+ register vector signed short temp0, temp1, temp2, temp3, temp4,
+ temp5, temp6, temp7;
+POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1);
+ {
+ register const vector signed short vprod1 =(const vector signed short)
+ AVV( 1,-1, 1,-1, 1,-1, 1,-1);
+ register const vector signed short vprod2 =(const vector signed short)
+ AVV( 1, 1,-1,-1, 1, 1,-1,-1);
+ register const vector signed short vprod3 =(const vector signed short)
+ AVV( 1, 1, 1, 1,-1,-1,-1,-1);
+ register const vector unsigned char perm1 = (const vector unsigned char)
+ AVV(0x02, 0x03, 0x00, 0x01, 0x06, 0x07, 0x04, 0x05,
+ 0x0A, 0x0B, 0x08, 0x09, 0x0E, 0x0F, 0x0C, 0x0D);
+ register const vector unsigned char perm2 = (const vector unsigned char)
+ AVV(0x04, 0x05, 0x06, 0x07, 0x00, 0x01, 0x02, 0x03,
+ 0x0C, 0x0D, 0x0E, 0x0F, 0x08, 0x09, 0x0A, 0x0B);
+ register const vector unsigned char perm3 = (const vector unsigned char)
+ AVV(0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07);
+
+#define ONEITERBUTTERFLY(i, res) \
+ { \
+ register vector unsigned char src1, src2, srcO; \
+ register vector unsigned char dst1, dst2, dstO; \
+ register vector signed short srcV, dstV; \
+ register vector signed short but0, but1, but2, op1, op2, op3; \
+ src1 = vec_ld(stride * i, src); \
+ src2 = vec_ld((stride * i) + 15, src); \
+ srcO = vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
+ dst1 = vec_ld(stride * i, dst); \
+ dst2 = vec_ld((stride * i) + 15, dst); \
+ dstO = vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
+ /* promote the unsigned chars to signed shorts */ \
+ /* we're in the 8x8 function, we only care for the first 8 */ \
+ srcV = \
+ (vector signed short)vec_mergeh((vector signed char)vzero, \
+ (vector signed char)srcO); \
+ dstV = \
+ (vector signed short)vec_mergeh((vector signed char)vzero, \
+ (vector signed char)dstO); \
+ /* subtractions inside the first butterfly */ \
+ but0 = vec_sub(srcV, dstV); \
+ op1 = vec_perm(but0, but0, perm1); \
+ but1 = vec_mladd(but0, vprod1, op1); \
+ op2 = vec_perm(but1, but1, perm2); \
+ but2 = vec_mladd(but1, vprod2, op2); \
+ op3 = vec_perm(but2, but2, perm3); \
+ res = vec_mladd(but2, vprod3, op3); \
+ }
+ ONEITERBUTTERFLY(0, temp0);
+ ONEITERBUTTERFLY(1, temp1);
+ ONEITERBUTTERFLY(2, temp2);
+ ONEITERBUTTERFLY(3, temp3);
+ ONEITERBUTTERFLY(4, temp4);
+ ONEITERBUTTERFLY(5, temp5);
+ ONEITERBUTTERFLY(6, temp6);
+ ONEITERBUTTERFLY(7, temp7);
+ }
+#undef ONEITERBUTTERFLY
+ {
+ register vector signed int vsum;
+ register vector signed short line0 = vec_add(temp0, temp1);
+ register vector signed short line1 = vec_sub(temp0, temp1);
+ register vector signed short line2 = vec_add(temp2, temp3);
+ register vector signed short line3 = vec_sub(temp2, temp3);
+ register vector signed short line4 = vec_add(temp4, temp5);
+ register vector signed short line5 = vec_sub(temp4, temp5);
+ register vector signed short line6 = vec_add(temp6, temp7);
+ register vector signed short line7 = vec_sub(temp6, temp7);
+
+ register vector signed short line0B = vec_add(line0, line2);
+ register vector signed short line2B = vec_sub(line0, line2);
+ register vector signed short line1B = vec_add(line1, line3);
+ register vector signed short line3B = vec_sub(line1, line3);
+ register vector signed short line4B = vec_add(line4, line6);
+ register vector signed short line6B = vec_sub(line4, line6);
+ register vector signed short line5B = vec_add(line5, line7);
+ register vector signed short line7B = vec_sub(line5, line7);
+
+ register vector signed short line0C = vec_add(line0B, line4B);
+ register vector signed short line4C = vec_sub(line0B, line4B);
+ register vector signed short line1C = vec_add(line1B, line5B);
+ register vector signed short line5C = vec_sub(line1B, line5B);
+ register vector signed short line2C = vec_add(line2B, line6B);
+ register vector signed short line6C = vec_sub(line2B, line6B);
+ register vector signed short line3C = vec_add(line3B, line7B);
+ register vector signed short line7C = vec_sub(line3B, line7B);
+
+ vsum = vec_sum4s(vec_abs(line0C), vec_splat_s32(0));
+ vsum = vec_sum4s(vec_abs(line1C), vsum);
+ vsum = vec_sum4s(vec_abs(line2C), vsum);
+ vsum = vec_sum4s(vec_abs(line3C), vsum);
+ vsum = vec_sum4s(vec_abs(line4C), vsum);
+ vsum = vec_sum4s(vec_abs(line5C), vsum);
+ vsum = vec_sum4s(vec_abs(line6C), vsum);
+ vsum = vec_sum4s(vec_abs(line7C), vsum);
+ vsum = vec_sums(vsum, (vector signed int)vzero);
+ vsum = vec_splat(vsum, 3);
+ vec_ste(vsum, 0, &sum);
+ }
+POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff8x8_num, 1);
+ return sum;
+}
+
+/*
+ 16x8 works with 16 elements ; it allows to avoid replicating
+ loads, and give the compiler more rooms for scheduling.
+ It's only used from inside hadamard8_diff16_altivec.
+
+ Unfortunately, it seems gcc-3.3 is a bit dumb, and
+ the compiled code has a LOT of spill code, it seems
+ gcc (unlike xlc) cannot keep everything in registers
+ by itself. The following code include hand-made
+ registers allocation. It's not clean, but on
+ a 7450 the resulting code is much faster (best case
+ fall from 700+ cycles to 550).
+
+ xlc doesn't add spill code, but it doesn't know how to
+ schedule for the 7450, and its code isn't much faster than
+ gcc-3.3 on the 7450 (but uses 25% less instructions...)
+
+ On the 970, the hand-made RA is still a win (around 690
+ vs. around 780), but xlc goes to around 660 on the
+ regular C code...
+*/
+
+static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h) {
+ int sum;
+ register vector signed short
+ temp0 REG_v(v0),
+ temp1 REG_v(v1),
+ temp2 REG_v(v2),
+ temp3 REG_v(v3),
+ temp4 REG_v(v4),
+ temp5 REG_v(v5),
+ temp6 REG_v(v6),
+ temp7 REG_v(v7);
+ register vector signed short
+ temp0S REG_v(v8),
+ temp1S REG_v(v9),
+ temp2S REG_v(v10),
+ temp3S REG_v(v11),
+ temp4S REG_v(v12),
+ temp5S REG_v(v13),
+ temp6S REG_v(v14),
+ temp7S REG_v(v15);
+ register const vector unsigned char vzero REG_v(v31)=
+ (const vector unsigned char)vec_splat_u8(0);
+ {
+ register const vector signed short vprod1 REG_v(v16)=
+ (const vector signed short)AVV( 1,-1, 1,-1, 1,-1, 1,-1);
+ register const vector signed short vprod2 REG_v(v17)=
+ (const vector signed short)AVV( 1, 1,-1,-1, 1, 1,-1,-1);
+ register const vector signed short vprod3 REG_v(v18)=
+ (const vector signed short)AVV( 1, 1, 1, 1,-1,-1,-1,-1);
+ register const vector unsigned char perm1 REG_v(v19)=
+ (const vector unsigned char)
+ AVV(0x02, 0x03, 0x00, 0x01, 0x06, 0x07, 0x04, 0x05,
+ 0x0A, 0x0B, 0x08, 0x09, 0x0E, 0x0F, 0x0C, 0x0D);
+ register const vector unsigned char perm2 REG_v(v20)=
+ (const vector unsigned char)
+ AVV(0x04, 0x05, 0x06, 0x07, 0x00, 0x01, 0x02, 0x03,
+ 0x0C, 0x0D, 0x0E, 0x0F, 0x08, 0x09, 0x0A, 0x0B);
+ register const vector unsigned char perm3 REG_v(v21)=
+ (const vector unsigned char)
+ AVV(0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07);
+
+#define ONEITERBUTTERFLY(i, res1, res2) \
+ { \
+ register vector unsigned char src1 REG_v(v22), \
+ src2 REG_v(v23), \
+ dst1 REG_v(v24), \
+ dst2 REG_v(v25), \
+ srcO REG_v(v22), \
+ dstO REG_v(v23); \
+ \
+ register vector signed short srcV REG_v(v24), \
+ dstV REG_v(v25), \
+ srcW REG_v(v26), \
+ dstW REG_v(v27), \
+ but0 REG_v(v28), \
+ but0S REG_v(v29), \
+ op1 REG_v(v30), \
+ but1 REG_v(v22), \
+ op1S REG_v(v23), \
+ but1S REG_v(v24), \
+ op2 REG_v(v25), \
+ but2 REG_v(v26), \
+ op2S REG_v(v27), \
+ but2S REG_v(v28), \
+ op3 REG_v(v29), \
+ op3S REG_v(v30); \
+ \
+ src1 = vec_ld(stride * i, src); \
+ src2 = vec_ld((stride * i) + 16, src); \
+ srcO = vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
+ dst1 = vec_ld(stride * i, dst); \
+ dst2 = vec_ld((stride * i) + 16, dst); \
+ dstO = vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
+ /* promote the unsigned chars to signed shorts */ \
+ srcV = \
+ (vector signed short)vec_mergeh((vector signed char)vzero, \
+ (vector signed char)srcO); \
+ dstV = \
+ (vector signed short)vec_mergeh((vector signed char)vzero, \
+ (vector signed char)dstO); \
+ srcW = \
+ (vector signed short)vec_mergel((vector signed char)vzero, \
+ (vector signed char)srcO); \
+ dstW = \
+ (vector signed short)vec_mergel((vector signed char)vzero, \
+ (vector signed char)dstO); \
+ /* subtractions inside the first butterfly */ \
+ but0 = vec_sub(srcV, dstV); \
+ but0S = vec_sub(srcW, dstW); \
+ op1 = vec_perm(but0, but0, perm1); \
+ but1 = vec_mladd(but0, vprod1, op1); \
+ op1S = vec_perm(but0S, but0S, perm1); \
+ but1S = vec_mladd(but0S, vprod1, op1S); \
+ op2 = vec_perm(but1, but1, perm2); \
+ but2 = vec_mladd(but1, vprod2, op2); \
+ op2S = vec_perm(but1S, but1S, perm2); \
+ but2S = vec_mladd(but1S, vprod2, op2S); \
+ op3 = vec_perm(but2, but2, perm3); \
+ res1 = vec_mladd(but2, vprod3, op3); \
+ op3S = vec_perm(but2S, but2S, perm3); \
+ res2 = vec_mladd(but2S, vprod3, op3S); \
+ }
+ ONEITERBUTTERFLY(0, temp0, temp0S);
+ ONEITERBUTTERFLY(1, temp1, temp1S);
+ ONEITERBUTTERFLY(2, temp2, temp2S);
+ ONEITERBUTTERFLY(3, temp3, temp3S);
+ ONEITERBUTTERFLY(4, temp4, temp4S);
+ ONEITERBUTTERFLY(5, temp5, temp5S);
+ ONEITERBUTTERFLY(6, temp6, temp6S);
+ ONEITERBUTTERFLY(7, temp7, temp7S);
+ }
+#undef ONEITERBUTTERFLY
+ {
+ register vector signed int vsum;
+ register vector signed short line0S, line1S, line2S, line3S, line4S,
+ line5S, line6S, line7S, line0BS,line2BS,
+ line1BS,line3BS,line4BS,line6BS,line5BS,
+ line7BS,line0CS,line4CS,line1CS,line5CS,
+ line2CS,line6CS,line3CS,line7CS;
+
+ register vector signed short line0 = vec_add(temp0, temp1);
+ register vector signed short line1 = vec_sub(temp0, temp1);
+ register vector signed short line2 = vec_add(temp2, temp3);
+ register vector signed short line3 = vec_sub(temp2, temp3);
+ register vector signed short line4 = vec_add(temp4, temp5);
+ register vector signed short line5 = vec_sub(temp4, temp5);
+ register vector signed short line6 = vec_add(temp6, temp7);
+ register vector signed short line7 = vec_sub(temp6, temp7);
+
+ register vector signed short line0B = vec_add(line0, line2);
+ register vector signed short line2B = vec_sub(line0, line2);
+ register vector signed short line1B = vec_add(line1, line3);
+ register vector signed short line3B = vec_sub(line1, line3);
+ register vector signed short line4B = vec_add(line4, line6);
+ register vector signed short line6B = vec_sub(line4, line6);
+ register vector signed short line5B = vec_add(line5, line7);
+ register vector signed short line7B = vec_sub(line5, line7);
+
+ register vector signed short line0C = vec_add(line0B, line4B);
+ register vector signed short line4C = vec_sub(line0B, line4B);
+ register vector signed short line1C = vec_add(line1B, line5B);
+ register vector signed short line5C = vec_sub(line1B, line5B);
+ register vector signed short line2C = vec_add(line2B, line6B);
+ register vector signed short line6C = vec_sub(line2B, line6B);
+ register vector signed short line3C = vec_add(line3B, line7B);
+ register vector signed short line7C = vec_sub(line3B, line7B);
+
+ vsum = vec_sum4s(vec_abs(line0C), vec_splat_s32(0));
+ vsum = vec_sum4s(vec_abs(line1C), vsum);
+ vsum = vec_sum4s(vec_abs(line2C), vsum);
+ vsum = vec_sum4s(vec_abs(line3C), vsum);
+ vsum = vec_sum4s(vec_abs(line4C), vsum);
+ vsum = vec_sum4s(vec_abs(line5C), vsum);
+ vsum = vec_sum4s(vec_abs(line6C), vsum);
+ vsum = vec_sum4s(vec_abs(line7C), vsum);
+
+ line0S = vec_add(temp0S, temp1S);
+ line1S = vec_sub(temp0S, temp1S);
+ line2S = vec_add(temp2S, temp3S);
+ line3S = vec_sub(temp2S, temp3S);
+ line4S = vec_add(temp4S, temp5S);
+ line5S = vec_sub(temp4S, temp5S);
+ line6S = vec_add(temp6S, temp7S);
+ line7S = vec_sub(temp6S, temp7S);
+
+ line0BS = vec_add(line0S, line2S);
+ line2BS = vec_sub(line0S, line2S);
+ line1BS = vec_add(line1S, line3S);
+ line3BS = vec_sub(line1S, line3S);
+ line4BS = vec_add(line4S, line6S);
+ line6BS = vec_sub(line4S, line6S);
+ line5BS = vec_add(line5S, line7S);
+ line7BS = vec_sub(line5S, line7S);
+
+ line0CS = vec_add(line0BS, line4BS);
+ line4CS = vec_sub(line0BS, line4BS);
+ line1CS = vec_add(line1BS, line5BS);
+ line5CS = vec_sub(line1BS, line5BS);
+ line2CS = vec_add(line2BS, line6BS);
+ line6CS = vec_sub(line2BS, line6BS);
+ line3CS = vec_add(line3BS, line7BS);
+ line7CS = vec_sub(line3BS, line7BS);
+
+ vsum = vec_sum4s(vec_abs(line0CS), vsum);
+ vsum = vec_sum4s(vec_abs(line1CS), vsum);
+ vsum = vec_sum4s(vec_abs(line2CS), vsum);
+ vsum = vec_sum4s(vec_abs(line3CS), vsum);
+ vsum = vec_sum4s(vec_abs(line4CS), vsum);
+ vsum = vec_sum4s(vec_abs(line5CS), vsum);
+ vsum = vec_sum4s(vec_abs(line6CS), vsum);
+ vsum = vec_sum4s(vec_abs(line7CS), vsum);
+ vsum = vec_sums(vsum, (vector signed int)vzero);
+ vsum = vec_splat(vsum, 3);
+ vec_ste(vsum, 0, &sum);
+ }
+ return sum;
+}
+
+int hadamard8_diff16_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
+POWERPC_PERF_DECLARE(altivec_hadamard8_diff16_num, 1);
+ int score;
+POWERPC_PERF_START_COUNT(altivec_hadamard8_diff16_num, 1);
+ score = hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
+ if (h==16) {
+ dst += 8*stride;
+ src += 8*stride;
+ score += hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
+ }
+POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff16_num, 1);
+ return score;
+}
+
+static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
+ int blocksize)
{
-#ifdef CONFIG_DARWIN
- int sels[2] = {CTL_HW, HW_VECTORUNIT};
- int has_vu = 0;
- size_t len = sizeof(has_vu);
- int err;
-
- err = sysctl(sels, 2, &has_vu, &len, NULL, 0);
-
- if (err == 0) return (has_vu != 0);
-#else /* CONFIG_DARWIN */
-/* no Darwin, do it the brute-force way */
-/* this is borrowed from the libmpeg2 library */
- {
- signal (SIGILL, sigill_handler);
- if (sigsetjmp (jmpbuf, 1)) {
- signal (SIGILL, SIG_DFL);
- } else {
- canjump = 1;
-
- asm volatile ("mtspr 256, %0\n\t"
- "vand %%v0, %%v0, %%v0"
- :
- : "r" (-1));
-
- signal (SIGILL, SIG_DFL);
- return 1;
- }
+ int i;
+ vector float m, a;
+ vector bool int t0, t1;
+ const vector unsigned int v_31 = //XXX
+ vec_add(vec_add(vec_splat_u32(15),vec_splat_u32(15)),vec_splat_u32(1));
+ for(i=0; i<blocksize; i+=4) {
+ m = vec_ld(0, mag+i);
+ a = vec_ld(0, ang+i);
+ t0 = vec_cmple(m, (vector float)vec_splat_u32(0));
+ t1 = vec_cmple(a, (vector float)vec_splat_u32(0));
+ a = vec_xor(a, (vector float) vec_sl((vector unsigned int)t0, v_31));
+ t0 = (vector bool int)vec_and(a, t1);
+ t1 = (vector bool int)vec_andc(a, t1);
+ a = vec_sub(m, (vector float)t1);
+ m = vec_add(m, (vector float)t0);
+ vec_stl(a, 0, ang+i);
+ vec_stl(m, 0, mag+i);
}
-#endif /* CONFIG_DARWIN */
- return 0;
+}
+
+/* next one assumes that ((line_size % 8) == 0) */
+void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
+{
+POWERPC_PERF_DECLARE(altivec_avg_pixels8_xy2_num, 1);
+ register int i;
+ register vector unsigned char pixelsv1, pixelsv2, pixelsavg;
+ register vector unsigned char blockv, temp1, temp2, blocktemp;
+ register vector unsigned short pixelssum1, pixelssum2, temp3;
+
+ register const vector unsigned char vczero = (const vector unsigned char)
+ vec_splat_u8(0);
+ register const vector unsigned short vctwo = (const vector unsigned short)
+ vec_splat_u16(2);
+
+ temp1 = vec_ld(0, pixels);
+ temp2 = vec_ld(16, pixels);
+ pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
+ if ((((unsigned long)pixels) & 0x0000000F) == 0x0000000F) {
+ pixelsv2 = temp2;
+ } else {
+ pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(1, pixels));
+ }
+ pixelsv1 = vec_mergeh(vczero, pixelsv1);
+ pixelsv2 = vec_mergeh(vczero, pixelsv2);
+ pixelssum1 = vec_add((vector unsigned short)pixelsv1,
+ (vector unsigned short)pixelsv2);
+ pixelssum1 = vec_add(pixelssum1, vctwo);
+
+POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1);
+ for (i = 0; i < h ; i++) {
+ int rightside = ((unsigned long)block & 0x0000000F);
+ blockv = vec_ld(0, block);
+
+ temp1 = vec_ld(line_size, pixels);
+ temp2 = vec_ld(line_size + 16, pixels);
+ pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(line_size, pixels));
+ if (((((unsigned long)pixels) + line_size) & 0x0000000F) == 0x0000000F)
+ {
+ pixelsv2 = temp2;
+ } else {
+ pixelsv2 = vec_perm(temp1, temp2, vec_lvsl(line_size + 1, pixels));
+ }
+
+ pixelsv1 = vec_mergeh(vczero, pixelsv1);
+ pixelsv2 = vec_mergeh(vczero, pixelsv2);
+ pixelssum2 = vec_add((vector unsigned short)pixelsv1,
+ (vector unsigned short)pixelsv2);
+ temp3 = vec_add(pixelssum1, pixelssum2);
+ temp3 = vec_sra(temp3, vctwo);
+ pixelssum1 = vec_add(pixelssum2, vctwo);
+ pixelsavg = vec_packsu(temp3, (vector unsigned short) vczero);
+
+ if (rightside) {
+ blocktemp = vec_perm(blockv, pixelsavg, vcprm(0, 1, s0, s1));
+ } else {
+ blocktemp = vec_perm(blockv, pixelsavg, vcprm(s0, s1, 2, 3));
+ }
+
+ blockv = vec_avg(blocktemp, blockv);
+ vec_st(blockv, 0, block);
+
+ block += line_size;
+ pixels += line_size;
+ }
+
+POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1);
+}
+
+void dsputil_init_altivec(DSPContext* c, AVCodecContext *avctx)
+{
+ c->pix_abs[0][1] = sad16_x2_altivec;
+ c->pix_abs[0][2] = sad16_y2_altivec;
+ c->pix_abs[0][3] = sad16_xy2_altivec;
+ c->pix_abs[0][0] = sad16_altivec;
+ c->pix_abs[1][0] = sad8_altivec;
+ c->sad[0]= sad16_altivec;
+ c->sad[1]= sad8_altivec;
+ c->pix_norm1 = pix_norm1_altivec;
+ c->sse[1]= sse8_altivec;
+ c->sse[0]= sse16_altivec;
+ c->pix_sum = pix_sum_altivec;
+ c->diff_pixels = diff_pixels_altivec;
+ c->get_pixels = get_pixels_altivec;
+ c->add_bytes= add_bytes_altivec;
+ c->put_pixels_tab[0][0] = put_pixels16_altivec;
+ /* the two functions do the same thing, so use the same code */
+ c->put_no_rnd_pixels_tab[0][0] = put_pixels16_altivec;
+ c->avg_pixels_tab[0][0] = avg_pixels16_altivec;
+ c->avg_pixels_tab[1][0] = avg_pixels8_altivec;
+ c->avg_pixels_tab[1][3] = avg_pixels8_xy2_altivec;
+ c->put_pixels_tab[1][3] = put_pixels8_xy2_altivec;
+ c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_altivec;
+ c->put_pixels_tab[0][3] = put_pixels16_xy2_altivec;
+ c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_altivec;
+
+ c->hadamard8_diff[0] = hadamard8_diff16_altivec;
+ c->hadamard8_diff[1] = hadamard8_diff8x8_altivec;
+ if (ENABLE_VORBIS_DECODER)
+ c->vorbis_inverse_coupling = vorbis_inverse_coupling_altivec;
}