resample_mmx.h File Reference

#include "libavutil/x86/asm.h"
#include "libavutil/cpu.h"
#include "libswresample/swresample_internal.h"

Go to the source code of this file.

Macros
#define	COMMON_CORE_INT16_MMX2
#define	LINEAR_CORE_INT16_MMX2
#define	COMMON_CORE_INT16_SSE2
#define	LINEAR_CORE_INT16_SSE2
#define	COMMON_CORE_DBL_SSE2
#define	LINEAR_CORE_DBL_SSE2

Variables
const uint64_t	ff_resample_int16_rounder [2] = { 0x0000000000004000ULL, 0x0000000000000000ULL}

Macro Definition Documentation

#define COMMON_CORE_INT16_MMX2

Value:

x86_reg len= -2*c->filter_length;\
__asm__ volatile(\
    "movq "MANGLE(ff_resample_int16_rounder)", %%mm0 \n\t"\
    "1:                         \n\t"\
    "movq    (%1, %0), %%mm1    \n\t"\
    "pmaddwd (%2, %0), %%mm1    \n\t"\
    "paddd  %%mm1, %%mm0        \n\t"\
    "add       $8, %0           \n\t"\
    " js 1b                     \n\t"\
    "pshufw $0x0E, %%mm0, %%mm1 \n\t"\
    "paddd %%mm1, %%mm0         \n\t"\
    "psrad    $15, %%mm0        \n\t"\
    "packssdw %%mm0, %%mm0      \n\t"\
    "movd %%mm0, (%3)           \n\t"\
    : "+r" (len)\
    : "r" (((uint8_t*)(src+sample_index))-len),\
      "r" (((uint8_t*)filter)-len),\
      "r" (dst+dst_index)\
      NAMED_CONSTRAINTS_ARRAY_ADD(ff_resample_int16_rounder)\
);

Definition at line 27 of file resample_mmx.h.

#define LINEAR_CORE_INT16_MMX2

Value:

x86_reg len= -2*c->filter_length;\
__asm__ volatile(\
    "pxor          %%mm0, %%mm0 \n\t"\
    "pxor          %%mm2, %%mm2 \n\t"\
    "1:                         \n\t"\
    "movq       (%3, %0), %%mm1 \n\t"\
    "movq          %%mm1, %%mm3 \n\t"\
    "pmaddwd    (%4, %0), %%mm1 \n\t"\
    "pmaddwd    (%5, %0), %%mm3 \n\t"\
    "paddd         %%mm1, %%mm0 \n\t"\
    "paddd         %%mm3, %%mm2 \n\t"\
    "add              $8, %0    \n\t"\
    " js 1b                     \n\t"\
    "pshufw $0x0E, %%mm0, %%mm1 \n\t"\
    "pshufw $0x0E, %%mm2, %%mm3 \n\t"\
    "paddd         %%mm1, %%mm0 \n\t"\
    "paddd         %%mm3, %%mm2 \n\t"\
    "movd          %%mm0, %1    \n\t"\
    "movd          %%mm2, %2    \n\t"\
    : "+r" (len),\
      "=r" (val),\
      "=r" (v2)\
    : "r" (((uint8_t*)(src+sample_index))-len),\
      "r" (((uint8_t*)filter)-len),\
      "r" (((uint8_t*)(filter+c->filter_alloc))-len)\
);

Definition at line 49 of file resample_mmx.h.

#define COMMON_CORE_INT16_SSE2

Value:

x86_reg len= -2*c->filter_length;\
__asm__ volatile(\
    "movdqa "MANGLE(ff_resample_int16_rounder)", %%xmm0 \n\t"\
    "1:                           \n\t"\
    "movdqu  (%1, %0), %%xmm1     \n\t"\
    "pmaddwd (%2, %0), %%xmm1     \n\t"\
    "paddd  %%xmm1, %%xmm0        \n\t"\
    "add       $16, %0            \n\t"\
    " js 1b                       \n\t"\
    "pshufd $0x0E, %%xmm0, %%xmm1 \n\t"\
    "paddd %%xmm1, %%xmm0         \n\t"\
    "pshufd $0x01, %%xmm0, %%xmm1 \n\t"\
    "paddd %%xmm1, %%xmm0         \n\t"\
    "psrad    $15, %%xmm0         \n\t"\
    "packssdw %%xmm0, %%xmm0      \n\t"\
    "movd %%xmm0, (%3)            \n\t"\
    : "+r" (len)\
    : "r" (((uint8_t*)(src+sample_index))-len),\
      "r" (((uint8_t*)filter)-len),\
      "r" (dst+dst_index)\
      NAMED_CONSTRAINTS_ARRAY_ADD(ff_resample_int16_rounder)\
      XMM_CLOBBERS_ONLY("%xmm0", "%xmm1")\
);

Definition at line 77 of file resample_mmx.h.

#define LINEAR_CORE_INT16_SSE2

Definition at line 102 of file resample_mmx.h.

#define COMMON_CORE_DBL_SSE2

Value:

x86_reg len= -8*c->filter_length;\
__asm__ volatile(\
    "xorpd     %%xmm0, %%xmm0     \n\t"\
    "1:                           \n\t"\
    "movupd  (%1, %0), %%xmm1     \n\t"\
    "mulpd   (%2, %0), %%xmm1     \n\t"\
    "addpd     %%xmm1, %%xmm0     \n\t"\
    "add       $16, %0            \n\t"\
    " js 1b                       \n\t"\
    "movhlps   %%xmm0, %%xmm1     \n\t"\
    "addpd     %%xmm1, %%xmm0     \n\t"\
    "movsd     %%xmm0, (%3)       \n\t"\
    : "+r" (len)\
    : "r" (((uint8_t*)(src+sample_index))-len),\
      "r" (((uint8_t*)filter)-len),\
      "r" (dst+dst_index)\
    XMM_CLOBBERS_ONLY("%xmm0", "%xmm1")\
);

Definition at line 135 of file resample_mmx.h.

#define LINEAR_CORE_DBL_SSE2

Value:

x86_reg len= -8*c->filter_length;\
__asm__ volatile(\
    "xorpd      %%xmm0, %%xmm0    \n\t"\
    "xorpd      %%xmm2, %%xmm2    \n\t"\
    "1:                           \n\t"\
    "movupd   (%3, %0), %%xmm1    \n\t"\
    "movapd     %%xmm1, %%xmm3    \n\t"\
    "mulpd    (%4, %0), %%xmm1    \n\t"\
    "mulpd    (%5, %0), %%xmm3    \n\t"\
    "addpd      %%xmm1, %%xmm0    \n\t"\
    "addpd      %%xmm3, %%xmm2    \n\t"\
    "add           $16, %0        \n\t"\
    " js 1b                       \n\t"\
    "movhlps    %%xmm0, %%xmm1    \n\t"\
    "movhlps    %%xmm2, %%xmm3    \n\t"\
    "addpd      %%xmm1, %%xmm0    \n\t"\
    "addpd      %%xmm3, %%xmm2    \n\t"\
    "movsd      %%xmm0, %1        \n\t"\
    "movsd      %%xmm2, %2        \n\t"\
    : "+r" (len),\
      "=m" (val),\
      "=m" (v2)\
    : "r" (((uint8_t*)(src+sample_index))-len),\
      "r" (((uint8_t*)filter)-len),\
      "r" (((uint8_t*)(filter+c->filter_alloc))-len)\
    XMM_CLOBBERS_ONLY("%xmm0", "%xmm1", "%xmm2", "%xmm3")\
);

Definition at line 155 of file resample_mmx.h.

Variable Documentation

const uint64_t ff_resample_int16_rounder[2] = { 0x0000000000004000ULL, 0x0000000000000000ULL}

Definition at line 25 of file resample_mmx.h.