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1 /*
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2 * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
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3 *
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4 * This file is part of FFmpeg.
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5 *
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6 * FFmpeg is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
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8 * License as published by the Free Software Foundation; either
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9 * version 2.1 of the License, or (at your option) any later version.
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10 *
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11 * FFmpeg is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with FFmpeg; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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19 */
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20
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21 #ifndef AVCODEC_PPC_DSPUTIL_PPC_H
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22 #define AVCODEC_PPC_DSPUTIL_PPC_H
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23
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24 #include "config.h"
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25
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26 #if CONFIG_POWERPC_PERF
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27 void powerpc_display_perf_report(void);
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28 /* the 604* have 2, the G3* have 4, the G4s have 6,
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29 and the G5 are completely different (they MUST use
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30 ARCH_PPC64, and let's hope all future 64 bis PPC
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31 will use the same PMCs... */
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32 #define POWERPC_NUM_PMC_ENABLED 6
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33 /* if you add to the enum below, also add to the perfname array
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34 in dsputil_ppc.c */
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35 enum powerpc_perf_index {
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36 altivec_fft_num = 0,
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37 altivec_gmc1_num,
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38 altivec_dct_unquantize_h263_num,
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39 altivec_fdct,
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40 altivec_idct_add_num,
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41 altivec_idct_put_num,
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42 altivec_put_pixels16_num,
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43 altivec_avg_pixels16_num,
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44 altivec_avg_pixels8_num,
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45 altivec_put_pixels8_xy2_num,
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46 altivec_put_no_rnd_pixels8_xy2_num,
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47 altivec_put_pixels16_xy2_num,
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48 altivec_put_no_rnd_pixels16_xy2_num,
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49 altivec_hadamard8_diff8x8_num,
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50 altivec_hadamard8_diff16_num,
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51 altivec_avg_pixels8_xy2_num,
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52 powerpc_clear_blocks_dcbz32,
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53 powerpc_clear_blocks_dcbz128,
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54 altivec_put_h264_chroma_mc8_num,
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55 altivec_avg_h264_chroma_mc8_num,
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56 altivec_put_h264_qpel16_h_lowpass_num,
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57 altivec_avg_h264_qpel16_h_lowpass_num,
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58 altivec_put_h264_qpel16_v_lowpass_num,
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59 altivec_avg_h264_qpel16_v_lowpass_num,
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60 altivec_put_h264_qpel16_hv_lowpass_num,
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61 altivec_avg_h264_qpel16_hv_lowpass_num,
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62 powerpc_perf_total
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63 };
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64 enum powerpc_data_index {
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65 powerpc_data_min = 0,
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66 powerpc_data_max,
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67 powerpc_data_sum,
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68 powerpc_data_num,
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69 powerpc_data_total
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70 };
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71 extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
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72
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73 #if !ARCH_PPC64
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74 #define POWERP_PMC_DATATYPE unsigned long
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75 #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 937" : "=r" (a))
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76 #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 938" : "=r" (a))
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77 #if (POWERPC_NUM_PMC_ENABLED > 2)
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78 #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 941" : "=r" (a))
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79 #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 942" : "=r" (a))
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80 #else
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81 #define POWERPC_GET_PMC3(a) do {} while (0)
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82 #define POWERPC_GET_PMC4(a) do {} while (0)
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83 #endif
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84 #if (POWERPC_NUM_PMC_ENABLED > 4)
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85 #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 929" : "=r" (a))
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86 #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 930" : "=r" (a))
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87 #else
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88 #define POWERPC_GET_PMC5(a) do {} while (0)
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89 #define POWERPC_GET_PMC6(a) do {} while (0)
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90 #endif
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91 #else /* ARCH_PPC64 */
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92 #define POWERP_PMC_DATATYPE unsigned long long
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93 #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 771" : "=r" (a))
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94 #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 772" : "=r" (a))
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95 #if (POWERPC_NUM_PMC_ENABLED > 2)
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96 #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 773" : "=r" (a))
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97 #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 774" : "=r" (a))
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98 #else
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99 #define POWERPC_GET_PMC3(a) do {} while (0)
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100 #define POWERPC_GET_PMC4(a) do {} while (0)
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101 #endif
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102 #if (POWERPC_NUM_PMC_ENABLED > 4)
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103 #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 775" : "=r" (a))
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104 #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 776" : "=r" (a))
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105 #else
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106 #define POWERPC_GET_PMC5(a) do {} while (0)
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107 #define POWERPC_GET_PMC6(a) do {} while (0)
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108 #endif
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109 #endif /* ARCH_PPC64 */
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110 #define POWERPC_PERF_DECLARE(a, cond) \
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111 POWERP_PMC_DATATYPE \
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112 pmc_start[POWERPC_NUM_PMC_ENABLED], \
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113 pmc_stop[POWERPC_NUM_PMC_ENABLED], \
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114 pmc_loop_index;
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115 #define POWERPC_PERF_START_COUNT(a, cond) do { \
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116 POWERPC_GET_PMC6(pmc_start[5]); \
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117 POWERPC_GET_PMC5(pmc_start[4]); \
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118 POWERPC_GET_PMC4(pmc_start[3]); \
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119 POWERPC_GET_PMC3(pmc_start[2]); \
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120 POWERPC_GET_PMC2(pmc_start[1]); \
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121 POWERPC_GET_PMC1(pmc_start[0]); \
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122 } while (0)
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123 #define POWERPC_PERF_STOP_COUNT(a, cond) do { \
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124 POWERPC_GET_PMC1(pmc_stop[0]); \
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125 POWERPC_GET_PMC2(pmc_stop[1]); \
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126 POWERPC_GET_PMC3(pmc_stop[2]); \
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127 POWERPC_GET_PMC4(pmc_stop[3]); \
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128 POWERPC_GET_PMC5(pmc_stop[4]); \
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129 POWERPC_GET_PMC6(pmc_stop[5]); \
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130 if (cond) { \
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131 for(pmc_loop_index = 0; \
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132 pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \
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133 pmc_loop_index++) { \
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134 if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) { \
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135 POWERP_PMC_DATATYPE diff = \
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136 pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index]; \
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137 if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \
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138 perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \
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139 if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \
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140 perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \
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141 perfdata[pmc_loop_index][a][powerpc_data_sum] += diff; \
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142 perfdata[pmc_loop_index][a][powerpc_data_num] ++; \
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143 } \
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144 } \
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145 } \
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146 } while (0)
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147 #else /* CONFIG_POWERPC_PERF */
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148 // those are needed to avoid empty statements.
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149 #define POWERPC_PERF_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused))
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150 #define POWERPC_PERF_START_COUNT(a, cond) do {} while (0)
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151 #define POWERPC_PERF_STOP_COUNT(a, cond) do {} while (0)
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152 #endif /* CONFIG_POWERPC_PERF */
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153
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154 #endif /* AVCODEC_PPC_DSPUTIL_PPC_H */
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