projects / libav.git / blame
| Commit | Line | Data |
|---|---|---|
| 35e5fb06 RD |
1 | /* |
| 2 | * Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org> | |
| 3 | * | |
| 4 | * This library is free software; you can redistribute it and/or | |
| 5 | * modify it under the terms of the GNU Lesser General Public | |
| 6 | * License as published by the Free Software Foundation; either | |
| 7 | * version 2 of the License, or (at your option) any later version. | |
| 8 | * | |
| 9 | * This library is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 | * Lesser General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU Lesser General Public | |
| 15 | * License along with this library; if not, write to the Free Software | |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef _DSPUTIL_PPC_ | |
| 20 | #define _DSPUTIL_PPC_ | |
| 21 | ||
| 22 | #ifdef POWERPC_TBL_PERFORMANCE_REPORT | |
| 23 | void powerpc_display_perf_report(void); | |
| 24 | /* if you add to the enum below, also add to the perfname array | |
| 25 | in dsputil_ppc.c */ | |
| 26 | enum powerpc_perf_index { | |
| 27 | altivec_fft_num = 0, | |
| 28 | altivec_gmc1_num, | |
| 29 | altivec_dct_unquantize_h263_num, | |
| 30 | altivec_idct_add_num, | |
| 31 | altivec_idct_put_num, | |
| 35e5fb06 RD |
32 | altivec_put_pixels16_num, |
| 33 | altivec_avg_pixels16_num, | |
| 34 | altivec_avg_pixels8_num, | |
| 35 | altivec_put_pixels8_xy2_num, | |
| fe50f385 RD |
36 | altivec_put_no_rnd_pixels8_xy2_num, |
| 37 | altivec_put_pixels16_xy2_num, | |
| 38 | altivec_put_no_rnd_pixels16_xy2_num, | |
| 35e5fb06 | 39 | powerpc_clear_blocks_dcbz32, |
| a4adb608 | 40 | powerpc_clear_blocks_dcbz128, |
| 35e5fb06 RD |
41 | powerpc_perf_total |
| 42 | }; | |
| 43 | enum powerpc_data_index { | |
| 44 | powerpc_data_min = 0, | |
| 45 | powerpc_data_max, | |
| 46 | powerpc_data_sum, | |
| 47 | powerpc_data_num, | |
| 48 | powerpc_data_total | |
| 49 | }; | |
| 50 | extern unsigned long long perfdata[powerpc_perf_total][powerpc_data_total]; | |
| 51 | #ifdef POWERPC_PERF_USE_PMC | |
| 52 | extern unsigned long long perfdata_miss[powerpc_perf_total][powerpc_data_total]; | |
| 53 | #endif | |
| 54 | ||
| 55 | #ifndef POWERPC_PERF_USE_PMC | |
| 56 | #define POWERPC_GET_CYCLES(a) asm volatile("mftb %0" : "=r" (a)) | |
| 57 | #define POWERPC_TBL_DECLARE(a, cond) register unsigned long tbl_start, tbl_stop | |
| 58 | #define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_CYCLES(tbl_start); } while (0) | |
| 59 | #define POWERPC_TBL_STOP_COUNT(a, cond) do { \ | |
| 60 | POWERPC_GET_CYCLES(tbl_stop); \ | |
| 61 | if (tbl_stop > tbl_start) \ | |
| 62 | { \ | |
| 63 | unsigned long diff = tbl_stop - tbl_start; \ | |
| 64 | if (cond) \ | |
| 65 | { \ | |
| 66 | if (diff < perfdata[a][powerpc_data_min]) \ | |
| 67 | perfdata[a][powerpc_data_min] = diff; \ | |
| 68 | if (diff > perfdata[a][powerpc_data_max]) \ | |
| 69 | perfdata[a][powerpc_data_max] = diff; \ | |
| 70 | perfdata[a][powerpc_data_sum] += diff; \ | |
| 71 | perfdata[a][powerpc_data_num] ++; \ | |
| 72 | } \ | |
| 73 | } \ | |
| 74 | } while (0) | |
| 75 | ||
| 76 | #else /* POWERPC_PERF_USE_PMC */ | |
| 77 | #define POWERPC_GET_CYCLES(a) asm volatile("mfspr %0, 937" : "=r" (a)) | |
| 78 | #define POWERPC_GET_MISS(a) asm volatile("mfspr %0, 938" : "=r" (a)) | |
| 475b46da | 79 | #define POWERPC_TBL_DECLARE(a, cond) register unsigned long cycles_start, cycles_stop, miss_start, miss_stop |
| 35e5fb06 RD |
80 | #define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_MISS(miss_start); POWERPC_GET_CYCLES(cycles_start); } while (0) |
| 81 | #define POWERPC_TBL_STOP_COUNT(a, cond) do { \ | |
| 82 | POWERPC_GET_CYCLES(cycles_stop); \ | |
| 83 | POWERPC_GET_MISS(miss_stop); \ | |
| 84 | if (cycles_stop >= cycles_start) \ | |
| 85 | { \ | |
| 86 | unsigned long diff = \ | |
| 87 | cycles_stop - cycles_start; \ | |
| 88 | if (cond) \ | |
| 89 | { \ | |
| 90 | if (diff < perfdata[a][powerpc_data_min]) \ | |
| 91 | perfdata[a][powerpc_data_min] = diff; \ | |
| 92 | if (diff > perfdata[a][powerpc_data_max]) \ | |
| 93 | perfdata[a][powerpc_data_max] = diff; \ | |
| 94 | perfdata[a][powerpc_data_sum] += diff; \ | |
| 95 | perfdata[a][powerpc_data_num] ++; \ | |
| 96 | } \ | |
| 97 | } \ | |
| 98 | if (miss_stop >= miss_start) \ | |
| 99 | { \ | |
| 100 | unsigned long diff = \ | |
| 101 | miss_stop - miss_start; \ | |
| 102 | if (cond) \ | |
| 103 | { \ | |
| 104 | if (diff < perfdata_miss[a][powerpc_data_min]) \ | |
| 105 | perfdata_miss[a][powerpc_data_min] = diff; \ | |
| 106 | if (diff > perfdata_miss[a][powerpc_data_max]) \ | |
| 107 | perfdata_miss[a][powerpc_data_max] = diff; \ | |
| 108 | perfdata_miss[a][powerpc_data_sum] += diff; \ | |
| 109 | perfdata_miss[a][powerpc_data_num] ++; \ | |
| 110 | } \ | |
| 111 | } \ | |
| 112 | } while (0) | |
| 113 | ||
| 114 | #endif /* POWERPC_PERF_USE_PMC */ | |
| 115 | ||
| 116 | ||
| 117 | #else /* POWERPC_TBL_PERFORMANCE_REPORT */ | |
| 475b46da MN |
118 | // those are needed to avoid empty statements. |
| 119 | #define POWERPC_TBL_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused)) | |
| 120 | #define POWERPC_TBL_START_COUNT(a, cond) do {} while (0) | |
| 121 | #define POWERPC_TBL_STOP_COUNT(a, cond) do {} while (0) | |
| 35e5fb06 RD |
122 | #endif /* POWERPC_TBL_PERFORMANCE_REPORT */ |
| 123 | ||
| 124 | #endif /* _DSPUTIL_PPC_ */ |