Browse Source

Merge commit '44a0036d10579ed91e48df24859e54b08a582742'

* commit '44a0036d10579ed91e48df24859e54b08a582742':
  x86: sbrdsp: Implement SSE sum64x5

Merged-by: Michael Niedermayer <michaelni@gmx.at>
tags/n1.2
Michael Niedermayer 13 years ago
parent
commit
8429320313
2 changed files with 24 additions and 0 deletions
  1. +22
    -0
      libavcodec/x86/sbrdsp.asm
  2. +2
    -0
      libavcodec/x86/sbrdsp_init.c

+ 22
- 0
libavcodec/x86/sbrdsp.asm View File

@@ -178,3 +178,25 @@ cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E
add start, 16
jnz .loop2
RET

cglobal sbr_sum64x5, 1,2,4,z
lea r1q, [zq+ 256]
.loop:
mova m0, [zq+ 0]
mova m2, [zq+ 16]
mova m1, [zq+ 256]
mova m3, [zq+ 272]
addps m0, [zq+ 512]
addps m2, [zq+ 528]
addps m1, [zq+ 768]
addps m3, [zq+ 784]
addps m0, [zq+1024]
addps m2, [zq+1040]
addps m0, m1
addps m2, m3
mova [zq], m0
mova [zq+16], m2
add zq, 32
cmp zq, r1q
jne .loop
REP_RET

+ 2
- 0
libavcodec/x86/sbrdsp_init.c View File

@@ -25,6 +25,7 @@
#include "libavcodec/sbrdsp.h"

float ff_sbr_sum_square_sse(float (*x)[2], int n);
void ff_sbr_sum64x5_sse(float *z);
void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
const float *g_filt, int m_max, intptr_t ixh);
void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
@@ -37,6 +38,7 @@ void ff_sbrdsp_init_x86(SBRDSPContext *s)

if (EXTERNAL_SSE(mm_flags)) {
s->sum_square = ff_sbr_sum_square_sse;
s->sum64x5 = ff_sbr_sum64x5_sse;
s->hf_g_filt = ff_sbr_hf_g_filt_sse;
s->hf_gen = ff_sbr_hf_gen_sse;
}


Loading…
Cancel
Save