From 35e5fb067e0099fde6c3429131f11433eb92f22b Mon Sep 17 00:00:00 2001 From: Romain Dolbeau Date: Sun, 19 Jan 2003 19:00:45 +0000 Subject: PPC perf, PPC clear_block, AltiVec put_pixels8_xy2 patch by (Romain Dolbeau ) Originally committed as revision 1476 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/ppc/dsputil_ppc.h | 120 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 libavcodec/ppc/dsputil_ppc.h (limited to 'libavcodec/ppc/dsputil_ppc.h') diff --git a/libavcodec/ppc/dsputil_ppc.h b/libavcodec/ppc/dsputil_ppc.h new file mode 100644 index 0000000000..e0611ff886 --- /dev/null +++ b/libavcodec/ppc/dsputil_ppc.h @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2003 Romain Dolbeau + * + * This library 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 of the License, or (at your option) any later version. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _DSPUTIL_PPC_ +#define _DSPUTIL_PPC_ + +#ifdef POWERPC_TBL_PERFORMANCE_REPORT +void powerpc_display_perf_report(void); +/* 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_idct_add_num, + altivec_idct_put_num, + altivec_put_pixels_clamped_num, + altivec_put_pixels16_num, + altivec_avg_pixels16_num, + altivec_avg_pixels8_num, + altivec_put_pixels8_xy2_num, + powerpc_clear_blocks_dcbz32, + 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_perf_total][powerpc_data_total]; +#ifdef POWERPC_PERF_USE_PMC +extern unsigned long long perfdata_miss[powerpc_perf_total][powerpc_data_total]; +#endif + +#ifndef POWERPC_PERF_USE_PMC +#define POWERPC_GET_CYCLES(a) asm volatile("mftb %0" : "=r" (a)) +#define POWERPC_TBL_DECLARE(a, cond) register unsigned long tbl_start, tbl_stop +#define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_CYCLES(tbl_start); } while (0) +#define POWERPC_TBL_STOP_COUNT(a, cond) do { \ + POWERPC_GET_CYCLES(tbl_stop); \ + if (tbl_stop > tbl_start) \ + { \ + unsigned long diff = tbl_stop - tbl_start; \ + if (cond) \ + { \ + if (diff < perfdata[a][powerpc_data_min]) \ + perfdata[a][powerpc_data_min] = diff; \ + if (diff > perfdata[a][powerpc_data_max]) \ + perfdata[a][powerpc_data_max] = diff; \ + perfdata[a][powerpc_data_sum] += diff; \ + perfdata[a][powerpc_data_num] ++; \ + } \ + } \ +} while (0) + +#else /* POWERPC_PERF_USE_PMC */ +#define POWERPC_GET_CYCLES(a) asm volatile("mfspr %0, 937" : "=r" (a)) +#define POWERPC_GET_MISS(a) asm volatile("mfspr %0, 938" : "=r" (a)) +#define POWERPC_TBL_DECLARE(a, cond) register unsigned long cycles_start, cycles_stop, miss_start, miss_stop; +#define POWERPC_TBL_START_COUNT(a, cond) do { POWERPC_GET_MISS(miss_start); POWERPC_GET_CYCLES(cycles_start); } while (0) +#define POWERPC_TBL_STOP_COUNT(a, cond) do { \ + POWERPC_GET_CYCLES(cycles_stop); \ + POWERPC_GET_MISS(miss_stop); \ + if (cycles_stop >= cycles_start) \ + { \ + unsigned long diff = \ + cycles_stop - cycles_start; \ + if (cond) \ + { \ + if (diff < perfdata[a][powerpc_data_min]) \ + perfdata[a][powerpc_data_min] = diff; \ + if (diff > perfdata[a][powerpc_data_max]) \ + perfdata[a][powerpc_data_max] = diff; \ + perfdata[a][powerpc_data_sum] += diff; \ + perfdata[a][powerpc_data_num] ++; \ + } \ + } \ + if (miss_stop >= miss_start) \ + { \ + unsigned long diff = \ + miss_stop - miss_start; \ + if (cond) \ + { \ + if (diff < perfdata_miss[a][powerpc_data_min]) \ + perfdata_miss[a][powerpc_data_min] = diff; \ + if (diff > perfdata_miss[a][powerpc_data_max]) \ + perfdata_miss[a][powerpc_data_max] = diff; \ + perfdata_miss[a][powerpc_data_sum] += diff; \ + perfdata_miss[a][powerpc_data_num] ++; \ + } \ + } \ +} while (0) + +#endif /* POWERPC_PERF_USE_PMC */ + + +#else /* POWERPC_TBL_PERFORMANCE_REPORT */ +#define POWERPC_TBL_DECLARE(a, cond) +#define POWERPC_TBL_START_COUNT(a, cond) +#define POWERPC_TBL_STOP_COUNT(a, cond) +#endif /* POWERPC_TBL_PERFORMANCE_REPORT */ + +#endif /* _DSPUTIL_PPC_ */ -- cgit v1.2.3