vpx_dsp/mips/common_dspr2.h

   1 /*
   2  *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11 #ifndef VPX_COMMON_MIPS_DSPR2_H_
  12 #define VPX_COMMON_MIPS_DSPR2_H_
  13
  14 #include <assert.h>
  15 #include "./vpx_config.h"
  16 #include "vpx/vpx_integer.h"
  17
  18 #ifdef __cplusplus
  19 extern "C" {
  20 #endif
  21 #if HAVE_DSPR2
  22 #define CROP_WIDTH 512
  23
  24 extern uint8_t *vpx_ff_cropTbl;  // From "vpx_dsp/mips/intrapred4_dspr2.c"
  25
  26 static INLINE void prefetch_load(const unsigned char *src) {
  27   __asm__ __volatile__ (
  28       "pref   0,  0(%[src])   \n\t"
  29       :
  30       : [src] "r" (src)
  31   );
  32 }
  33
  34 /* prefetch data for store */
  35 static INLINE void prefetch_store(unsigned char *dst) {
  36   __asm__ __volatile__ (
  37       "pref   1,  0(%[dst])   \n\t"
  38       :
  39       : [dst] "r" (dst)
  40   );
  41 }
  42
  43 static INLINE void prefetch_load_streamed(const unsigned char *src) {
  44   __asm__ __volatile__ (
  45       "pref   4,  0(%[src])   \n\t"
  46       :
  47       : [src] "r" (src)
  48   );
  49 }
  50
  51 /* prefetch data for store */
  52 static INLINE void prefetch_store_streamed(unsigned char *dst) {
  53   __asm__ __volatile__ (
  54       "pref   5,  0(%[dst])   \n\t"
  55       :
  56       : [dst] "r" (dst)
  57   );
  58 }
  59 #endif  // #if HAVE_DSPR2
  60 #ifdef __cplusplus
  61 }  // extern "C"
  62 #endif
  63
  64 #endif  // VPX_COMMON_MIPS_DSPR2_H_