diff options
Diffstat (limited to 'libavcodec/ppc/dsputil_altivec.c')
| -rw-r--r-- | libavcodec/ppc/dsputil_altivec.c | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/libavcodec/ppc/dsputil_altivec.c b/libavcodec/ppc/dsputil_altivec.c index 57b687dfde..20ee382f29 100644 --- a/libavcodec/ppc/dsputil_altivec.c +++ b/libavcodec/ppc/dsputil_altivec.c @@ -17,7 +17,7 @@ * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - + #include "../dsputil.h" #include "gcc_fixes.h" @@ -44,7 +44,7 @@ static void sigill_handler (int sig) signal (sig, SIG_DFL); raise (sig); } - + canjump = 0; siglongjmp (jmpbuf, 1); } @@ -71,7 +71,7 @@ int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h */ 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])); @@ -86,7 +86,7 @@ int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h /* Add each 4 pixel group together and put 4 results into sad */ sad = vec_sum4s(t5, sad); - + pix1 += line_size; pix2 += line_size; } @@ -123,7 +123,7 @@ int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h */ 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: @@ -144,18 +144,18 @@ int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h /* 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) @@ -175,7 +175,7 @@ int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int vector signed int sumdiffs; sad = (vector unsigned int)vec_splat_u32(0); - + s = 0; /* @@ -199,7 +199,7 @@ int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int 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: @@ -268,7 +268,7 @@ int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) vector unsigned char t1, t2, t3,t4, t5; vector unsigned int sad; vector signed int sumdiffs; - + sad = (vector unsigned int)vec_splat_u32(0); @@ -280,12 +280,12 @@ int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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 */ sad = vec_sum4s(t5, sad); @@ -297,7 +297,7 @@ int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) sumdiffs = vec_sums((vector signed int) sad, (vector signed int) zero); sumdiffs = vec_splat(sumdiffs, 3); vec_ste(sumdiffs, 0, &s); - + return s; } @@ -326,7 +326,7 @@ int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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); @@ -355,9 +355,9 @@ int pix_norm1_altivec(uint8_t *pix, int line_size) 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 */ @@ -391,12 +391,12 @@ int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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, @@ -412,24 +412,24 @@ int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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; } @@ -447,9 +447,9 @@ int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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 */ perm1 = vec_lvsl(0, pix1); @@ -463,24 +463,24 @@ int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h) 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; } @@ -494,9 +494,9 @@ int pix_sum_altivec(uint8_t * pix, int line_size) int i; int s __attribute__((aligned(16))); - + sad = (vector unsigned int)vec_splat_u32(0); - + for (i = 0; i < 16; i++) { /* Read the potentially unaligned 16 pixels into t1 */ perm = vec_lvsl(0, pix); @@ -505,15 +505,15 @@ int pix_sum_altivec(uint8_t * pix, int line_size) /* 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; } @@ -633,7 +633,7 @@ void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w) { #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++) { @@ -799,19 +799,19 @@ POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1); 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)); @@ -820,17 +820,17 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1); { 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 */ } @@ -886,7 +886,7 @@ POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1); 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)); @@ -903,8 +903,8 @@ POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1); 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); @@ -929,7 +929,7 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1); 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)); @@ -938,13 +938,13 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1); { 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 */ } @@ -987,7 +987,7 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1); } 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 */ @@ -1002,7 +1002,7 @@ POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1); 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)); @@ -1019,8 +1019,8 @@ POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1); 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); @@ -1045,7 +1045,7 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1); 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)); @@ -1054,13 +1054,13 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1); { 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 */ } @@ -1119,7 +1119,7 @@ POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1); 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)); @@ -1141,7 +1141,7 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1); 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); @@ -1161,7 +1161,7 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1); 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, @@ -1175,13 +1175,13 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1); 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 */ } @@ -1241,7 +1241,7 @@ POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1); 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)); @@ -1263,7 +1263,7 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1); 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); @@ -1283,7 +1283,7 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1); 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, @@ -1297,13 +1297,13 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1); 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 */ } @@ -1382,7 +1382,7 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1); 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); @@ -1391,7 +1391,7 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1); 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); @@ -1400,7 +1400,7 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1); 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); @@ -1421,7 +1421,7 @@ POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff8x8_num, 1); 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 @@ -1429,11 +1429,11 @@ POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff8x8_num, 1); 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 (arount 690 vs. around 780), but xlc goes to around 660 on the regular C code... @@ -1535,7 +1535,7 @@ static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, 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); @@ -1544,7 +1544,7 @@ static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, 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); @@ -1553,7 +1553,7 @@ static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, 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); @@ -1649,12 +1649,12 @@ int has_altivec(void) 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; } @@ -1710,7 +1710,7 @@ POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1); 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)); @@ -1727,8 +1727,8 @@ POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1); 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); + +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); @@ -1753,7 +1753,7 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1); 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)); @@ -1762,14 +1762,14 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1); { 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); #endif /* ALTIVEC_USE_REFERENCE_C_CODE */ } |