text: /*
   * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef AVCODEC_PPC_DSPUTIL_PPC_H
  #define AVCODEC_PPC_DSPUTIL_PPC_H
  
  #include "config.h"
  
  #if CONFIG_POWERPC_PERF
  void powerpc_display_perf_report(void);
  /* the 604* have 2, the G3* have 4, the G4s have 6,
     and the G5 are completely different (they MUST use
     HAVE_PPC64, and let's hope all future 64 bis PPC
     will use the same PMCs... */
  #define POWERPC_NUM_PMC_ENABLED 6
  /* if you add to the enum below, also add to the perfname array
     in dsputil_ppc.c */
  enum powerpc_perf_index {
      altivec_fft_num = 0,
      altivec_gmc1_num,
      altivec_dct_unquantize_h263_num,
      altivec_fdct,
      altivec_idct_add_num,
      altivec_idct_put_num,
      altivec_put_pixels16_num,
      altivec_avg_pixels16_num,
      altivec_avg_pixels8_num,
      altivec_put_pixels8_xy2_num,
      altivec_put_no_rnd_pixels8_xy2_num,
      altivec_put_pixels16_xy2_num,
      altivec_put_no_rnd_pixels16_xy2_num,
      altivec_hadamard8_diff8x8_num,
      altivec_hadamard8_diff16_num,
      altivec_avg_pixels8_xy2_num,
      powerpc_clear_blocks_dcbz32,
      powerpc_clear_blocks_dcbz128,
      altivec_put_h264_chroma_mc8_num,
      altivec_avg_h264_chroma_mc8_num,
      altivec_put_h264_qpel16_h_lowpass_num,
      altivec_avg_h264_qpel16_h_lowpass_num,
      altivec_put_h264_qpel16_v_lowpass_num,
      altivec_avg_h264_qpel16_v_lowpass_num,
      altivec_put_h264_qpel16_hv_lowpass_num,
      altivec_avg_h264_qpel16_hv_lowpass_num,
      powerpc_perf_total
  };
  enum powerpc_data_index {
      powerpc_data_min = 0,
      powerpc_data_max,
      powerpc_data_sum,
      powerpc_data_num,
      powerpc_data_total
  };
  extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
  
  #if !HAVE_PPC64
  #define POWERP_PMC_DATATYPE unsigned long
  #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 937" : "=r" (a))
  #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 938" : "=r" (a))
  #if (POWERPC_NUM_PMC_ENABLED > 2)
  #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 941" : "=r" (a))
  #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 942" : "=r" (a))
  #else
  #define POWERPC_GET_PMC3(a) do {} while (0)
  #define POWERPC_GET_PMC4(a) do {} while (0)
  #endif
  #if (POWERPC_NUM_PMC_ENABLED > 4)
  #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 929" : "=r" (a))
  #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 930" : "=r" (a))
  #else
  #define POWERPC_GET_PMC5(a) do {} while (0)
  #define POWERPC_GET_PMC6(a) do {} while (0)
  #endif
  #else /* HAVE_PPC64 */
  #define POWERP_PMC_DATATYPE unsigned long long
  #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 771" : "=r" (a))
  #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 772" : "=r" (a))
  #if (POWERPC_NUM_PMC_ENABLED > 2)
  #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 773" : "=r" (a))
  #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 774" : "=r" (a))
  #else
  #define POWERPC_GET_PMC3(a) do {} while (0)
  #define POWERPC_GET_PMC4(a) do {} while (0)
  #endif
  #if (POWERPC_NUM_PMC_ENABLED > 4)
  #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 775" : "=r" (a))
  #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 776" : "=r" (a))
  #else
  #define POWERPC_GET_PMC5(a) do {} while (0)
  #define POWERPC_GET_PMC6(a) do {} while (0)
  #endif
  #endif /* HAVE_PPC64 */
  #define POWERPC_PERF_DECLARE(a, cond)       \
      POWERP_PMC_DATATYPE                     \
          pmc_start[POWERPC_NUM_PMC_ENABLED], \
          pmc_stop[POWERPC_NUM_PMC_ENABLED],  \
          pmc_loop_index;
  #define POWERPC_PERF_START_COUNT(a, cond) do { \
      POWERPC_GET_PMC6(pmc_start[5]); \
      POWERPC_GET_PMC5(pmc_start[4]); \
      POWERPC_GET_PMC4(pmc_start[3]); \
      POWERPC_GET_PMC3(pmc_start[2]); \
      POWERPC_GET_PMC2(pmc_start[1]); \
      POWERPC_GET_PMC1(pmc_start[0]); \
      } while (0)
  #define POWERPC_PERF_STOP_COUNT(a, cond) do { \
      POWERPC_GET_PMC1(pmc_stop[0]);            \
      POWERPC_GET_PMC2(pmc_stop[1]);            \
      POWERPC_GET_PMC3(pmc_stop[2]);            \
      POWERPC_GET_PMC4(pmc_stop[3]);            \
      POWERPC_GET_PMC5(pmc_stop[4]);            \
      POWERPC_GET_PMC6(pmc_stop[5]);            \
      if (cond) {                               \
          for(pmc_loop_index = 0;               \
              pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \
              pmc_loop_index++) {               \
              if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) {  \
                  POWERP_PMC_DATATYPE diff =                                \
                    pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index];   \
                  if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \
                      perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \
                  if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \
                      perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \
                  perfdata[pmc_loop_index][a][powerpc_data_sum] += diff;    \
                  perfdata[pmc_loop_index][a][powerpc_data_num] ++;         \
              }                                 \
          }                                     \
      }                                         \
  } while (0)
  #else /* CONFIG_POWERPC_PERF */
  // those are needed to avoid empty statements.
  #define POWERPC_PERF_DECLARE(a, cond)        int altivec_placeholder __attribute__ ((unused))
  #define POWERPC_PERF_START_COUNT(a, cond)    do {} while (0)
  #define POWERPC_PERF_STOP_COUNT(a, cond)     do {} while (0)
  #endif /* CONFIG_POWERPC_PERF */
  
  #endif /*  AVCODEC_PPC_DSPUTIL_PPC_H */
  