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ppc: dsputil: Merge some declarations and initializations

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This commit is contained in:
Diego Biurrun 2014-01-15 14:36:28 +01:00
parent b045283f21
commit b7d24fd4b2
6 changed files with 218 additions and 269 deletions
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401
libavcodec/ppc/dsputil_altivec.c
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@ -35,34 +35,30 @@
static int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s = 0;
const vector unsigned char zero =
(const vector unsigned char) vec_splat_u8(0);
vector unsigned char perm1 = vec_lvsl(0, pix2);
vector unsigned char perm2 = vec_add(perm1, vec_splat_u8(1));
vector unsigned char pix2l, pix2r;
vector unsigned char pix1v, pix2v, pix2iv, avgv, t5;
vector unsigned int sad;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
vector signed int sumdiffs;
s = 0;
sad = (vector unsigned int) vec_splat_u32(0);
for (i = 0; i < h; i++) {
/* 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] */
pix1v = vec_ld(0, pix1);
pix2l = vec_ld(0, pix2);
pix2r = vec_ld(16, pix2);
pix2v = vec_perm(pix2l, pix2r, perm1);
pix2iv = vec_perm(pix2l, pix2r, perm2);
vector unsigned char pix1v = vec_ld(0, pix1);
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(16, pix2);
vector unsigned char pix2v = vec_perm(pix2l, pix2r, perm1);
vector unsigned char pix2iv = vec_perm(pix2l, pix2r, perm2);
/* Calculate the average vector. */
avgv = vec_avg(pix2v, pix2iv);
vector unsigned char avgv = vec_avg(pix2v, pix2iv);
/* Calculate a sum of abs differences vector. */
t5 = vec_sub(vec_max(pix1v, avgv), vec_min(pix1v, avgv));
vector unsigned char t5 = vec_sub(vec_max(pix1v, avgv),
vec_min(pix1v, avgv));
/* Add each 4 pixel group together and put 4 results into sad. */
sad = vec_sum4s(t5, sad);
@ -81,20 +77,15 @@ static int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s = 0;
const vector unsigned char zero =
(const vector unsigned char) vec_splat_u8(0);
vector unsigned char perm = vec_lvsl(0, pix2);
vector unsigned char pix2l, pix2r;
vector unsigned char pix1v, pix2v, pix3v, avgv, t5;
vector unsigned int sad;
vector unsigned char pix1v, pix3v, avgv, t5;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
vector signed int sumdiffs;
uint8_t *pix3 = pix2 + line_size;
s = 0;
sad = (vector unsigned int) vec_splat_u32(0);
/* Due to the fact that pix3 = pix2 + line_size, the pix3 of one
* iteration becomes pix2 in the next iteration. We can use this
* fact to avoid a potentially expensive unaligned read, each
@ -102,9 +93,9 @@ static int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
* Read unaligned pixels into our vectors. The vectors are as follows:
* pix2v: pix2[0] - pix2[15]
* Split the pixel vectors into shorts. */
pix2l = vec_ld(0, pix2);
pix2r = vec_ld(15, pix2);
pix2v = vec_perm(pix2l, pix2r, perm);
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(15, pix2);
vector unsigned char pix2v = vec_perm(pix2l, pix2r, perm);
for (i = 0; i < h; i++) {
/* Read unaligned pixels into our vectors. The vectors are as follows:
@ -140,8 +131,7 @@ static int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s = 0;
uint8_t *pix3 = pix2 + line_size;
const vector unsigned char zero =
(const vector unsigned char) vec_splat_u8(0);
@ -150,19 +140,12 @@ static int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
vector unsigned char avgv, t5;
vector unsigned char perm1 = vec_lvsl(0, pix2);
vector unsigned char perm2 = vec_add(perm1, vec_splat_u8(1));
vector unsigned char pix2l, pix2r;
vector unsigned char pix1v, pix2v, pix3v, pix2iv, pix3iv;
vector unsigned short pix2lv, pix2hv, pix2ilv, pix2ihv;
vector unsigned char pix1v, pix3v, pix3iv;
vector unsigned short pix3lv, pix3hv, pix3ilv, pix3ihv;
vector unsigned short avghv, avglv;
vector unsigned short t1, t2, t3, t4;
vector unsigned int sad;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
vector signed int sumdiffs;
sad = (vector unsigned int) vec_splat_u32(0);
s = 0;
/* Due to the fact that pix3 = pix2 + line_size, the pix3 of one
* iteration becomes pix2 in the next iteration. We can use this
* fact to avoid a potentially expensive unaligned read, as well
@ -170,17 +153,22 @@ static int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
* Read unaligned pixels into our vectors. The vectors are as follows:
* pix2v: pix2[0] - pix2[15] pix2iv: pix2[1] - pix2[16]
* Split the pixel vectors into shorts. */
pix2l = vec_ld(0, pix2);
pix2r = vec_ld(16, pix2);
pix2v = vec_perm(pix2l, pix2r, perm1);
pix2iv = vec_perm(pix2l, pix2r, perm2);
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(16, pix2);
vector unsigned char pix2v = vec_perm(pix2l, pix2r, perm1);
vector unsigned char pix2iv = vec_perm(pix2l, pix2r, perm2);
pix2hv = (vector unsigned short) vec_mergeh(zero, pix2v);
pix2lv = (vector unsigned short) vec_mergel(zero, pix2v);
pix2ihv = (vector unsigned short) vec_mergeh(zero, pix2iv);
pix2ilv = (vector unsigned short) vec_mergel(zero, pix2iv);
t1 = vec_add(pix2hv, pix2ihv);
t2 = vec_add(pix2lv, pix2ilv);
vector unsigned short pix2hv =
(vector unsigned short) vec_mergeh(zero, pix2v);
vector unsigned short pix2lv =
(vector unsigned short) vec_mergel(zero, pix2v);
vector unsigned short pix2ihv =
(vector unsigned short) vec_mergeh(zero, pix2iv);
vector unsigned short pix2ilv =
(vector unsigned short) vec_mergel(zero, pix2iv);
vector unsigned short t1 = vec_add(pix2hv, pix2ihv);
vector unsigned short t2 = vec_add(pix2lv, pix2ilv);
vector unsigned short t3, t4;
for (i = 0; i < h; i++) {
/* Read unaligned pixels into our vectors. The vectors are as follows:
@ -238,28 +226,24 @@ static int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
vector unsigned char perm = vec_lvsl(0, pix2);
vector unsigned char t1, t2, t3, t4, t5;
vector unsigned int sad;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
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. */
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(15, pix2);
t1 = vec_ld(0, pix1);
t2 = vec_perm(pix2l, pix2r, perm);
vector unsigned char t1 = vec_ld(0, pix1);
vector unsigned char t2 = vec_perm(pix2l, pix2r, perm);
/* Calculate a sum of abs differences vector. */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
vector unsigned char t3 = vec_max(t1, t2);
vector unsigned char t4 = vec_min(t1, t2);
vector unsigned char t5 = vec_sub(t3, t4);
/* Add each 4 pixel group together and put 4 results into sad. */
sad = vec_sum4s(t5, sad);
@ -279,8 +263,7 @@ static int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
const vector unsigned char permclear =
@ -288,12 +271,9 @@ static int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
{ 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0 };
vector unsigned char perm1 = vec_lvsl(0, pix1);
vector unsigned char perm2 = vec_lvsl(0, pix2);
vector unsigned char t1, t2, t3, t4, t5;
vector unsigned int sad;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
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.
* Since we're reading 16 pixels, and actually only want 8,
@ -302,13 +282,15 @@ static int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
vector unsigned char pix1r = vec_ld(7, pix1);
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(7, pix2);
t1 = vec_and(vec_perm(pix1l, pix1r, perm1), permclear);
t2 = vec_and(vec_perm(pix2l, pix2r, perm2), permclear);
vector unsigned char t1 = vec_and(vec_perm(pix1l, pix1r, perm1),
permclear);
vector unsigned char t2 = vec_and(vec_perm(pix2l, pix2r, perm2),
permclear);
/* Calculate a sum of abs differences vector. */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
vector unsigned char t3 = vec_max(t1, t2);
vector unsigned char t4 = vec_min(t1, t2);
vector unsigned char t5 = vec_sub(t3, t4);
/* Add each 4 pixel group together and put 4 results into sad. */
sad = vec_sum4s(t5, sad);
@ -327,23 +309,18 @@ static int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int pix_norm1_altivec(uint8_t *pix, int line_size)
{
int i;
int s;
int i, s = 0;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
vector unsigned char perm = vec_lvsl(0, pix);
vector unsigned char pixv;
vector unsigned int sv;
vector unsigned int sv = (vector unsigned int) vec_splat_u32(0);
vector signed int sum;
sv = (vector unsigned int) vec_splat_u32(0);
s = 0;
for (i = 0; i < 16; i++) {
/* Read the potentially unaligned pixels. */
vector unsigned char pixl = vec_ld(0, pix);
vector unsigned char pixr = vec_ld(15, pix);
pixv = vec_perm(pixl, pixr, perm);
vector unsigned char pixv = vec_perm(pixl, pixr, perm);
/* Square the values, and add them to our sum. */
sv = vec_msum(pixv, pixv, sv);
@ -363,8 +340,7 @@ static int pix_norm1_altivec(uint8_t *pix, int line_size)
static int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
const vector unsigned char permclear =
@ -372,12 +348,9 @@ static int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
{ 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0 };
vector unsigned char perm1 = vec_lvsl(0, pix1);
vector unsigned char perm2 = vec_lvsl(0, pix2);
vector unsigned char t1, t2, t3, t4, t5;
vector unsigned int sum;
vector unsigned int sum = (vector unsigned int) vec_splat_u32(0);
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.
* Since we're reading 16 pixels, and actually only want 8,
@ -386,16 +359,18 @@ static int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
vector unsigned char pix1r = vec_ld(7, pix1);
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(7, pix2);
t1 = vec_and(vec_perm(pix1l, pix1r, perm1), permclear);
t2 = vec_and(vec_perm(pix2l, pix2r, perm2), permclear);
vector unsigned char t1 = vec_and(vec_perm(pix1l, pix1r, perm1),
permclear);
vector unsigned char t2 = vec_and(vec_perm(pix2l, pix2r, perm2),
permclear);
/* 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. */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
vector unsigned char t3 = vec_max(t1, t2);
vector unsigned char t4 = vec_min(t1, t2);
vector unsigned char t5 = vec_sub(t3, t4);
/* Square the values and add them to our sum. */
sum = vec_msum(t5, t5, sum);
@ -417,31 +392,27 @@ static int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
int line_size, int h)
{
int i;
int s;
int i, s;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
vector unsigned char perm = vec_lvsl(0, pix2);
vector unsigned char t1, t2, t3, t4, t5;
vector unsigned int sum;
vector unsigned int sum = (vector unsigned int) vec_splat_u32(0);
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. */
vector unsigned char pix2l = vec_ld(0, pix2);
vector unsigned char pix2r = vec_ld(15, pix2);
t1 = vec_ld(0, pix1);
t2 = vec_perm(pix2l, pix2r, perm);
vector unsigned char t1 = vec_ld(0, pix1);
vector unsigned char t2 = vec_perm(pix2l, pix2r, perm);
/* 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. */
t3 = vec_max(t1, t2);
t4 = vec_min(t1, t2);
t5 = vec_sub(t3, t4);
vector unsigned char t3 = vec_max(t1, t2);
vector unsigned char t4 = vec_min(t1, t2);
vector unsigned char t5 = vec_sub(t3, t4);
/* Square the values and add them to our sum. */
sum = vec_msum(t5, t5, sum);
@ -460,23 +431,18 @@ static int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2,
static int pix_sum_altivec(uint8_t *pix, int line_size)
{
int i, s;
const vector unsigned int zero =
(const vector unsigned int) vec_splat_u32(0);
vector unsigned char perm = vec_lvsl(0, pix);
vector unsigned char t1;
vector unsigned int sad;
vector unsigned int sad = (vector unsigned int) vec_splat_u32(0);
vector signed int sumdiffs;
int i;
int s;
sad = (vector unsigned int) vec_splat_u32(0);
for (i = 0; i < 16; i++) {
/* Read the potentially unaligned 16 pixels into t1. */
vector unsigned char pixl = vec_ld(0, pix);
vector unsigned char pixr = vec_ld(15, pix);
t1 = vec_perm(pixl, pixr, perm);
vector unsigned char t1 = vec_perm(pixl, pixr, perm);
/* Add each 4 pixel group together and put 4 results into sad. */
sad = vec_sum4s(t1, sad);
@ -497,10 +463,8 @@ static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels,
{
int i;
vector unsigned char perm = vec_lvsl(0, pixels);
vector unsigned char bytes;
const vector unsigned char zero =
(const vector unsigned char) vec_splat_u8(0);
vector signed short shorts;
for (i = 0; i < 8; i++) {
/* Read potentially unaligned pixels.
@ -508,10 +472,11 @@ static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels,
* but we simply ignore the extras. */
vector unsigned char pixl = vec_ld(0, pixels);
vector unsigned char pixr = vec_ld(7, pixels);
bytes = vec_perm(pixl, pixr, perm);
vector unsigned char bytes = vec_perm(pixl, pixr, perm);
// Convert the bytes into shorts.
shorts = (vector signed short) vec_mergeh(zero, bytes);
vector signed short shorts = (vector signed short) vec_mergeh(zero,
bytes);
// Save the data to the block, we assume the block is 16-byte aligned.
vec_st(shorts, i * 16, (vector signed short *) block);
@ -526,7 +491,6 @@ static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
int i;
vector unsigned char perm1 = vec_lvsl(0, s1);
vector unsigned char perm2 = vec_lvsl(0, s2);
vector unsigned char bytes, pixl, pixr;
const vector unsigned char zero =
(const vector unsigned char) vec_splat_u8(0);
vector signed short shorts1, shorts2;
@ -535,9 +499,9 @@ static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
/* Read potentially unaligned pixels.
* We're reading 16 pixels, and actually only want 8,
* but we simply ignore the extras. */
pixl = vec_ld(0, s1);
pixr = vec_ld(15, s1);
bytes = vec_perm(pixl, pixr, perm1);
vector unsigned char pixl = vec_ld(0, s1);
vector unsigned char pixr = vec_ld(15, s1);
vector unsigned char bytes = vec_perm(pixl, pixr, perm1);
// Convert the bytes into shorts.
shorts1 = (vector signed short) vec_mergeh(zero, bytes);
@ -653,29 +617,31 @@ static int hadamard8_diff8x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst,
#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)); \
register vector unsigned char src1 = vec_ld(stride * i, src); \
register vector unsigned char src2 = vec_ld(stride * i + 15, src); \
register vector unsigned char srcO = \
vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
register vector unsigned char dst1 = vec_ld(stride * i, dst); \
register vector unsigned char dst2 = vec_ld(stride * i + 15, dst); \
register vector unsigned char 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); \
register vector signed short srcV = \
(vector signed short) vec_mergeh((vector signed char) vzero, \
(vector signed char) srcO); \
register vector signed short 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); \
register vector signed short but0 = vec_sub(srcV, dstV); \
register vector signed short op1 = vec_perm(but0, but0, perm1); \
register vector signed short but1 = vec_mladd(but0, vprod1, op1); \
register vector signed short op2 = vec_perm(but1, but1, perm2); \
register vector signed short but2 = vec_mladd(but1, vprod2, op2); \
register vector signed short op3 = vec_perm(but2, but2, perm3); \
res = vec_mladd(but2, vprod3, op3); \
}
ONEITERBUTTERFLY(0, temp0);
@ -801,62 +767,60 @@ static int hadamard8_diff16x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst
#define ONEITERBUTTERFLY(i, res1, res2) \
{ \
register vector unsigned char \
src1 __asm__ ("v22"), \
src2 __asm__ ("v23"), \
dst1 __asm__ ("v24"), \
dst2 __asm__ ("v25"), \
srcO __asm__ ("v22"), \
dstO __asm__ ("v23"); \
register vector unsigned char src1 __asm__ ("v22") = \
vec_ld(stride * i, src); \
register vector unsigned char src2 __asm__ ("v23") = \
vec_ld(stride * i + 16, src); \
register vector unsigned char srcO __asm__ ("v22") = \
vec_perm(src1, src2, vec_lvsl(stride * i, src)); \
register vector unsigned char dst1 __asm__ ("v24") = \
vec_ld(stride * i, dst); \
register vector unsigned char dst2 __asm__ ("v25") = \
vec_ld(stride * i + 16, dst); \
register vector unsigned char dstO __asm__ ("v23") = \
vec_perm(dst1, dst2, vec_lvsl(stride * i, dst)); \
\
register vector signed short \
srcV __asm__ ("v24"), \
dstV __asm__ ("v25"), \
srcW __asm__ ("v26"), \
dstW __asm__ ("v27"), \
but0 __asm__ ("v28"), \
but0S __asm__ ("v29"), \
op1 __asm__ ("v30"), \
but1 __asm__ ("v22"), \
op1S __asm__ ("v23"), \
but1S __asm__ ("v24"), \
op2 __asm__ ("v25"), \
but2 __asm__ ("v26"), \
op2S __asm__ ("v27"), \
but2S __asm__ ("v28"), \
op3 __asm__ ("v29"), \
op3S __asm__ ("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); \
register vector signed short srcV __asm__ ("v24") = \
(vector signed short) vec_mergeh((vector signed char) vzero, \
(vector signed char) srcO); \
register vector signed short dstV __asm__ ("v25") = \
(vector signed short) vec_mergeh((vector signed char) vzero, \
(vector signed char) dstO); \
register vector signed short srcW __asm__ ("v26") = \
(vector signed short) vec_mergel((vector signed char) vzero, \
(vector signed char) srcO); \
register vector signed short dstW __asm__ ("v27") = \
(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); \
register vector signed short but0 __asm__ ("v28") = \
vec_sub(srcV, dstV); \
register vector signed short but0S __asm__ ("v29") = \
vec_sub(srcW, dstW); \
register vector signed short op1 __asm__ ("v30") = \
vec_perm(but0, but0, perm1); \
register vector signed short but1 __asm__ ("v22") = \
vec_mladd(but0, vprod1, op1); \
register vector signed short op1S __asm__ ("v23") = \
vec_perm(but0S, but0S, perm1); \
register vector signed short but1S __asm__ ("v24") = \
vec_mladd(but0S, vprod1, op1S); \
register vector signed short op2 __asm__ ("v25") = \
vec_perm(but1, but1, perm2); \
register vector signed short but2 __asm__ ("v26") = \
vec_mladd(but1, vprod2, op2); \
register vector signed short op2S __asm__ ("v27") = \
vec_perm(but1S, but1S, perm2); \
register vector signed short but2S __asm__ ("v28") = \
vec_mladd(but1S, vprod2, op2S); \
register vector signed short op3 __asm__ ("v29") = \
vec_perm(but2, but2, perm3); \
register vector signed short op3S __asm__ ("v30") = \
vec_perm(but2S, but2S, perm3); \
res1 = vec_mladd(but2, vprod3, op3); \
res2 = vec_mladd(but2S, vprod3, op3S); \
}
ONEITERBUTTERFLY(0, temp0, temp0S);
ONEITERBUTTERFLY(1, temp1, temp1S);
@ -870,11 +834,6 @@ static int hadamard8_diff16x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst
#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);
@ -903,6 +862,33 @@ static int hadamard8_diff16x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst
register vector signed short line3C = vec_add(line3B, line7B);
register vector signed short line7C = vec_sub(line3B, line7B);
register vector signed short line0S = vec_add(temp0S, temp1S);
register vector signed short line1S = vec_sub(temp0S, temp1S);
register vector signed short line2S = vec_add(temp2S, temp3S);
register vector signed short line3S = vec_sub(temp2S, temp3S);
register vector signed short line4S = vec_add(temp4S, temp5S);
register vector signed short line5S = vec_sub(temp4S, temp5S);
register vector signed short line6S = vec_add(temp6S, temp7S);
register vector signed short line7S = vec_sub(temp6S, temp7S);
register vector signed short line0BS = vec_add(line0S, line2S);
register vector signed short line2BS = vec_sub(line0S, line2S);
register vector signed short line1BS = vec_add(line1S, line3S);
register vector signed short line3BS = vec_sub(line1S, line3S);
register vector signed short line4BS = vec_add(line4S, line6S);
register vector signed short line6BS = vec_sub(line4S, line6S);
register vector signed short line5BS = vec_add(line5S, line7S);
register vector signed short line7BS = vec_sub(line5S, line7S);
register vector signed short line0CS = vec_add(line0BS, line4BS);
register vector signed short line4CS = vec_sub(line0BS, line4BS);
register vector signed short line1CS = vec_add(line1BS, line5BS);
register vector signed short line5CS = vec_sub(line1BS, line5BS);
register vector signed short line2CS = vec_add(line2BS, line6BS);
register vector signed short line6CS = vec_sub(line2BS, line6BS);
register vector signed short line3CS = vec_add(line3BS, line7BS);
register vector signed short line7CS = vec_sub(line3BS, line7BS);
vsum = vec_sum4s(vec_abs(line0C), vec_splat_s32(0));
vsum = vec_sum4s(vec_abs(line1C), vsum);
vsum = vec_sum4s(vec_abs(line2C), vsum);
@ -912,33 +898,6 @@ static int hadamard8_diff16x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst
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);
@ -957,8 +916,8 @@ static int hadamard8_diff16x8_altivec(/* MpegEncContext */ void *s, uint8_t *dst
static int hadamard8_diff16_altivec(/* MpegEncContext */ void *s, uint8_t *dst,
uint8_t *src, int stride, int h)
{
int score;
score = hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
int score = hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
if (h == 16) {
dst += 8 * stride;
src += 8 * stride;

9
libavcodec/ppc/dsputil_ppc.c
View File

@ -51,8 +51,7 @@
*/
static void clear_blocks_dcbz32_ppc(int16_t *blocks)
{
register int misal = (unsigned long) blocks & 0x00000010;
register int i = 0;
register int misal = (unsigned long) blocks & 0x00000010, i = 0;
if (misal) {
((unsigned long *) blocks)[0] = 0L;
@ -77,8 +76,7 @@ static void clear_blocks_dcbz32_ppc(int16_t *blocks)
static void clear_blocks_dcbz128_ppc(int16_t *blocks)
{
#if HAVE_DCBZL
register int misal = (unsigned long) blocks & 0x0000007f;
register int i = 0;
register int misal = (unsigned long) blocks & 0x0000007f, i = 0;
if (misal) {
/* We could probably also optimize this case,
@ -104,8 +102,7 @@ static long check_dcbzl_effect(void)
#if HAVE_DCBZL
register char *fakedata = av_malloc(1024);
register char *fakedata_middle;
register long zero = 0;
register long i = 0;
register long zero = 0, i = 0;
if (!fakedata)
return 0L;

3
libavcodec/ppc/fdct_altivec.c
View File

@ -191,7 +191,7 @@ static vector float fdctconsts[3] = {
void ff_fdct_altivec(int16_t *block)
{
vector signed short *bp;
vector float *cp;
vector float *cp = fdctconsts;
vector float b00, b10, b20, b30, b40, b50, b60, b70;
vector float b01, b11, b21, b31, b41, b51, b61, b71;
vector float mzero, cnst, cnsts0, cnsts1, cnsts2;
@ -201,7 +201,6 @@ void ff_fdct_altivec(int16_t *block)
/* mzero = -0.0 */
mzero = ((vector float) vec_splat_u32(-1));
mzero = ((vector float) vec_sl(vu32(mzero), vu32(mzero)));
cp = fdctconsts;
cnsts0 = vec_ld(0, cp);
cp++;
cnsts1 = vec_ld(0, cp);

31
libavcodec/ppc/gmc_altivec.c
View File

@ -30,6 +30,7 @@
void ff_gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */,
int stride, int h, int x16, int y16, int rounder)
{
int i;
const DECLARE_ALIGNED(16, unsigned short, rounder_a) = rounder;
const DECLARE_ALIGNED(16, unsigned short, ABCD)[8] = {
(16 - x16) * (16 - y16), /* A */
@ -42,28 +43,26 @@ void ff_gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */,
(const vector unsigned char) vec_splat_u8(0);
register const vector unsigned short vcsr8 =
(const vector unsigned short) vec_splat_u16(8);
register vector unsigned char dstv, dstv2, src_0, src_1,
srcvA, srcvB, srcvC, srcvD;
register vector unsigned short Av, Bv, Cv, Dv, rounderV,
tempA, tempB, tempC, tempD;
int i;
register vector unsigned char dstv, dstv2, srcvB, srcvC, srcvD;
register vector unsigned short tempB, tempC, tempD;
unsigned long dst_odd = (unsigned long) dst & 0x0000000F;
unsigned long src_really_odd = (unsigned long) src & 0x0000000F;
tempA = vec_ld(0, (const unsigned short *) ABCD);
Av = vec_splat(tempA, 0);
Bv = vec_splat(tempA, 1);
Cv = vec_splat(tempA, 2);
Dv = vec_splat(tempA, 3);
rounderV = vec_splat((vec_u16) vec_lde(0, &rounder_a), 0);
register vector unsigned short tempA =
vec_ld(0, (const unsigned short *) ABCD);
register vector unsigned short Av = vec_splat(tempA, 0);
register vector unsigned short Bv = vec_splat(tempA, 1);
register vector unsigned short Cv = vec_splat(tempA, 2);
register vector unsigned short Dv = vec_splat(tempA, 3);
register vector unsigned short rounderV =
vec_splat((vec_u16) vec_lde(0, &rounder_a), 0);
/* we'll be able to pick-up our 9 char elements at src from those
* 32 bytes we load the first batch here, as inside the loop we can
* reuse 'src + stride' from one iteration as the 'src' of the next. */
src_0 = vec_ld(0, src);
src_1 = vec_ld(16, src);
srcvA = vec_perm(src_0, src_1, vec_lvsl(0, src));
register vector unsigned char src_0 = vec_ld(0, src);
register vector unsigned char src_1 = vec_ld(16, src);
register vector unsigned char srcvA = vec_perm(src_0, src_1,
vec_lvsl(0, src));
if (src_really_odd != 0x0000000F)
/* If src & 0xF == 0xF, then (src + 1) is properly aligned

37
libavcodec/ppc/idct_altivec.c
View File

@ -76,31 +76,28 @@
vy4 = vec_subs(t2, t6);
#define IDCT \
vec_s16 vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7; \
vec_s16 vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7; \
vec_s16 a0, a1, a2, ma2, c4, mc4, zero, bias; \
vec_s16 t0, t1, t2, t3, t4, t5, t6, t7, t8; \
vec_u16 shift; \
\
c4 = vec_splat(constants[0], 0); \
a0 = vec_splat(constants[0], 1); \
a1 = vec_splat(constants[0], 2); \
a2 = vec_splat(constants[0], 3); \
mc4 = vec_splat(constants[0], 4); \
ma2 = vec_splat(constants[0], 5); \
bias = (vec_s16) vec_splat((vec_s32) constants[0], 3); \
vec_s16 c4 = vec_splat(constants[0], 0); \
vec_s16 a0 = vec_splat(constants[0], 1); \
vec_s16 a1 = vec_splat(constants[0], 2); \
vec_s16 a2 = vec_splat(constants[0], 3); \
vec_s16 mc4 = vec_splat(constants[0], 4); \
vec_s16 ma2 = vec_splat(constants[0], 5); \
vec_s16 bias = (vec_s16) vec_splat((vec_s32) constants[0], 3); \
\
zero = vec_splat_s16(0); \
shift = vec_splat_u16(4); \
vec_s16 zero = vec_splat_s16(0); \
vec_u16 shift = vec_splat_u16(4); \
\
vx0 = vec_mradds(vec_sl(block[0], shift), constants[1], zero); \
vx1 = vec_mradds(vec_sl(block[1], shift), constants[2], zero); \
vx2 = vec_mradds(vec_sl(block[2], shift), constants[3], zero); \
vx3 = vec_mradds(vec_sl(block[3], shift), constants[4], zero); \
vx4 = vec_mradds(vec_sl(block[4], shift), constants[1], zero); \
vx5 = vec_mradds(vec_sl(block[5], shift), constants[4], zero); \
vx6 = vec_mradds(vec_sl(block[6], shift), constants[3], zero); \
vx7 = vec_mradds(vec_sl(block[7], shift), constants[2], zero); \
vec_s16 vx0 = vec_mradds(vec_sl(block[0], shift), constants[1], zero); \
vec_s16 vx1 = vec_mradds(vec_sl(block[1], shift), constants[2], zero); \
vec_s16 vx2 = vec_mradds(vec_sl(block[2], shift), constants[3], zero); \
vec_s16 vx3 = vec_mradds(vec_sl(block[3], shift), constants[4], zero); \
vec_s16 vx4 = vec_mradds(vec_sl(block[4], shift), constants[1], zero); \
vec_s16 vx5 = vec_mradds(vec_sl(block[5], shift), constants[4], zero); \
vec_s16 vx6 = vec_mradds(vec_sl(block[6], shift), constants[3], zero); \
vec_s16 vx7 = vec_mradds(vec_sl(block[7], shift), constants[2], zero); \
\
IDCT_HALF \
\

6
libavcodec/ppc/int_altivec.c
View File

@ -36,21 +36,19 @@
static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2,
int size)
{
int i, size16;
int i, size16 = size >> 4;
vector signed char vpix1;
vector signed short vpix2, vdiff, vpix1l, vpix1h;
union {
vector signed int vscore;
int32_t score[4];
} u;
u.vscore = vec_splat_s32(0);
} u = { .vscore = vec_splat_s32(0) };
// XXX lazy way, fix it later
#define vec_unaligned_load(b) \
vec_perm(vec_ld(0, b), vec_ld(15, b), vec_lvsl(0, b));
size16 = size >> 4;
while (size16) {
// score += (pix1[i] - pix2[i]) * (pix1[i] - pix2[i]);
// load pix1 and the first batch of pix2