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124 lines
5.1 KiB
C
124 lines
5.1 KiB
C
/*
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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_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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altivec_put_no_rnd_pixels8_xy2_num,
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altivec_put_pixels16_xy2_num,
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altivec_put_no_rnd_pixels16_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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// those are needed to avoid empty statements.
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#define POWERPC_TBL_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused))
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#define POWERPC_TBL_START_COUNT(a, cond) do {} while (0)
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#define POWERPC_TBL_STOP_COUNT(a, cond) do {} while (0)
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#endif /* POWERPC_TBL_PERFORMANCE_REPORT */
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#endif /* _DSPUTIL_PPC_ */
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