mirror of https://github.com/FFmpeg/FFmpeg.git
PPC perf, PPC clear_block, AltiVec put_pixels8_xy2 patch by (Romain Dolbeau <dolbeau at irisa dot fr>)
Originally committed as revision 1476 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
Romain Dolbeau
22 years ago
committed by
Michael Niedermayer
parent
8c55915b14
commit
35e5fb067e
10 changed files with 521 additions and 147 deletions
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/*
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* Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef _DSPUTIL_PPC_ |
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#define _DSPUTIL_PPC_ |
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#ifdef POWERPC_TBL_PERFORMANCE_REPORT |
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void powerpc_display_perf_report(void); |
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/* if you add to the enum below, also add to the perfname array
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in dsputil_ppc.c */ |
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enum powerpc_perf_index { |
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altivec_fft_num = 0, |
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altivec_gmc1_num, |
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altivec_dct_unquantize_h263_num, |
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altivec_idct_add_num, |
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altivec_idct_put_num, |
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altivec_put_pixels_clamped_num, |
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altivec_put_pixels16_num, |
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altivec_avg_pixels16_num, |
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altivec_avg_pixels8_num, |
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altivec_put_pixels8_xy2_num, |
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powerpc_clear_blocks_dcbz32, |
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powerpc_perf_total |
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}; |
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enum powerpc_data_index { |
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powerpc_data_min = 0, |
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powerpc_data_max, |
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powerpc_data_sum, |
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powerpc_data_num, |
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powerpc_data_total |
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}; |
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extern unsigned long long perfdata[powerpc_perf_total][powerpc_data_total]; |
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#ifdef POWERPC_PERF_USE_PMC |
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extern unsigned long long perfdata_miss[powerpc_perf_total][powerpc_data_total]; |
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#endif |
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#ifndef POWERPC_PERF_USE_PMC |
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#define POWERPC_GET_CYCLES(a) asm volatile("mftb %0" : "=r" (a)) |
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#define POWERPC_TBL_DECLARE(a, cond) register unsigned long tbl_start, tbl_stop |
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#define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_CYCLES(tbl_start); } while (0) |
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#define POWERPC_TBL_STOP_COUNT(a, cond) do { \ |
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POWERPC_GET_CYCLES(tbl_stop); \
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if (tbl_stop > tbl_start) \
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{ \
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unsigned long diff = tbl_stop - tbl_start; \
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if (cond) \
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{ \
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if (diff < perfdata[a][powerpc_data_min]) \
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perfdata[a][powerpc_data_min] = diff; \
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if (diff > perfdata[a][powerpc_data_max]) \
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perfdata[a][powerpc_data_max] = diff; \
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perfdata[a][powerpc_data_sum] += diff; \
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perfdata[a][powerpc_data_num] ++; \
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} \
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} \
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} while (0) |
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#else /* POWERPC_PERF_USE_PMC */ |
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#define POWERPC_GET_CYCLES(a) asm volatile("mfspr %0, 937" : "=r" (a)) |
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#define POWERPC_GET_MISS(a) asm volatile("mfspr %0, 938" : "=r" (a)) |
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#define POWERPC_TBL_DECLARE(a, cond) register unsigned long cycles_start, cycles_stop, miss_start, miss_stop; |
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#define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_MISS(miss_start); POWERPC_GET_CYCLES(cycles_start); } while (0) |
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#define POWERPC_TBL_STOP_COUNT(a, cond) do { \ |
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POWERPC_GET_CYCLES(cycles_stop); \
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POWERPC_GET_MISS(miss_stop); \
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if (cycles_stop >= cycles_start) \
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{ \
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unsigned long diff = \
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cycles_stop - cycles_start; \
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if (cond) \
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{ \
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if (diff < perfdata[a][powerpc_data_min]) \
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perfdata[a][powerpc_data_min] = diff; \
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if (diff > perfdata[a][powerpc_data_max]) \
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perfdata[a][powerpc_data_max] = diff; \
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perfdata[a][powerpc_data_sum] += diff; \
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perfdata[a][powerpc_data_num] ++; \
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} \
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} \
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if (miss_stop >= miss_start) \
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{ \
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unsigned long diff = \
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miss_stop - miss_start; \
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if (cond) \
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{ \
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if (diff < perfdata_miss[a][powerpc_data_min]) \
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perfdata_miss[a][powerpc_data_min] = diff; \
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if (diff > perfdata_miss[a][powerpc_data_max]) \
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perfdata_miss[a][powerpc_data_max] = diff; \
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perfdata_miss[a][powerpc_data_sum] += diff; \
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perfdata_miss[a][powerpc_data_num] ++; \
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} \
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} \
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} while (0) |
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#endif /* POWERPC_PERF_USE_PMC */ |
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#else /* POWERPC_TBL_PERFORMANCE_REPORT */ |
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#define POWERPC_TBL_DECLARE(a, cond) |
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#define POWERPC_TBL_START_COUNT(a, cond) |
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#define POWERPC_TBL_STOP_COUNT(a, cond) |
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#endif /* POWERPC_TBL_PERFORMANCE_REPORT */ |
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#endif /* _DSPUTIL_PPC_ */ |
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