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/*
* 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_ */
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