mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-24 16:22:37 +00:00
124 lines
5.1 KiB
C
124 lines
5.1 KiB
C
/*
|
|
* Copyright (c) 2003 Romain Dolbeau <romain@dolbeau.org>
|
|
*
|
|
* 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_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,
|
|
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 */
|
|
// those are needed to avoid empty statements.
|
|
#define POWERPC_TBL_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused))
|
|
#define POWERPC_TBL_START_COUNT(a, cond) do {} while (0)
|
|
#define POWERPC_TBL_STOP_COUNT(a, cond) do {} while (0)
|
|
#endif /* POWERPC_TBL_PERFORMANCE_REPORT */
|
|
|
|
#endif /* _DSPUTIL_PPC_ */
|