nengel@2: /*
nengel@2:  * Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
nengel@2:  *
nengel@2:  * This file is part of FFmpeg.
nengel@2:  *
nengel@2:  * FFmpeg is free software; you can redistribute it and/or
nengel@2:  * modify it under the terms of the GNU Lesser General Public
nengel@2:  * License as published by the Free Software Foundation; either
nengel@2:  * version 2.1 of the License, or (at your option) any later version.
nengel@2:  *
nengel@2:  * FFmpeg is distributed in the hope that it will be useful,
nengel@2:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nengel@2:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
nengel@2:  * Lesser General Public License for more details.
nengel@2:  *
nengel@2:  * You should have received a copy of the GNU Lesser General Public
nengel@2:  * License along with FFmpeg; if not, write to the Free Software
nengel@2:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
nengel@2:  */
nengel@2: 
nengel@2: #ifndef AVCODEC_PPC_DSPUTIL_PPC_H
nengel@2: #define AVCODEC_PPC_DSPUTIL_PPC_H
nengel@2: 
nengel@2: #include "config.h"
nengel@2: 
nengel@2: #if CONFIG_POWERPC_PERF
nengel@2: void powerpc_display_perf_report(void);
nengel@2: /* the 604* have 2, the G3* have 4, the G4s have 6,
nengel@2:    and the G5 are completely different (they MUST use
nengel@2:    ARCH_PPC64, and let's hope all future 64 bis PPC
nengel@2:    will use the same PMCs... */
nengel@2: #define POWERPC_NUM_PMC_ENABLED 6
nengel@2: /* if you add to the enum below, also add to the perfname array
nengel@2:    in dsputil_ppc.c */
nengel@2: enum powerpc_perf_index {
nengel@2:     altivec_fft_num = 0,
nengel@2:     altivec_gmc1_num,
nengel@2:     altivec_dct_unquantize_h263_num,
nengel@2:     altivec_fdct,
nengel@2:     altivec_idct_add_num,
nengel@2:     altivec_idct_put_num,
nengel@2:     altivec_put_pixels16_num,
nengel@2:     altivec_avg_pixels16_num,
nengel@2:     altivec_avg_pixels8_num,
nengel@2:     altivec_put_pixels8_xy2_num,
nengel@2:     altivec_put_no_rnd_pixels8_xy2_num,
nengel@2:     altivec_put_pixels16_xy2_num,
nengel@2:     altivec_put_no_rnd_pixels16_xy2_num,
nengel@2:     altivec_hadamard8_diff8x8_num,
nengel@2:     altivec_hadamard8_diff16_num,
nengel@2:     altivec_avg_pixels8_xy2_num,
nengel@2:     powerpc_clear_blocks_dcbz32,
nengel@2:     powerpc_clear_blocks_dcbz128,
nengel@2:     altivec_put_h264_chroma_mc8_num,
nengel@2:     altivec_avg_h264_chroma_mc8_num,
nengel@2:     altivec_put_h264_qpel16_h_lowpass_num,
nengel@2:     altivec_avg_h264_qpel16_h_lowpass_num,
nengel@2:     altivec_put_h264_qpel16_v_lowpass_num,
nengel@2:     altivec_avg_h264_qpel16_v_lowpass_num,
nengel@2:     altivec_put_h264_qpel16_hv_lowpass_num,
nengel@2:     altivec_avg_h264_qpel16_hv_lowpass_num,
nengel@2:     powerpc_perf_total
nengel@2: };
nengel@2: enum powerpc_data_index {
nengel@2:     powerpc_data_min = 0,
nengel@2:     powerpc_data_max,
nengel@2:     powerpc_data_sum,
nengel@2:     powerpc_data_num,
nengel@2:     powerpc_data_total
nengel@2: };
nengel@2: extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
nengel@2: 
nengel@2: #if !ARCH_PPC64
nengel@2: #define POWERP_PMC_DATATYPE unsigned long
nengel@2: #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 937" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 938" : "=r" (a))
nengel@2: #if (POWERPC_NUM_PMC_ENABLED > 2)
nengel@2: #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 941" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 942" : "=r" (a))
nengel@2: #else
nengel@2: #define POWERPC_GET_PMC3(a) do {} while (0)
nengel@2: #define POWERPC_GET_PMC4(a) do {} while (0)
nengel@2: #endif
nengel@2: #if (POWERPC_NUM_PMC_ENABLED > 4)
nengel@2: #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 929" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 930" : "=r" (a))
nengel@2: #else
nengel@2: #define POWERPC_GET_PMC5(a) do {} while (0)
nengel@2: #define POWERPC_GET_PMC6(a) do {} while (0)
nengel@2: #endif
nengel@2: #else /* ARCH_PPC64 */
nengel@2: #define POWERP_PMC_DATATYPE unsigned long long
nengel@2: #define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 771" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 772" : "=r" (a))
nengel@2: #if (POWERPC_NUM_PMC_ENABLED > 2)
nengel@2: #define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 773" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 774" : "=r" (a))
nengel@2: #else
nengel@2: #define POWERPC_GET_PMC3(a) do {} while (0)
nengel@2: #define POWERPC_GET_PMC4(a) do {} while (0)
nengel@2: #endif
nengel@2: #if (POWERPC_NUM_PMC_ENABLED > 4)
nengel@2: #define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 775" : "=r" (a))
nengel@2: #define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 776" : "=r" (a))
nengel@2: #else
nengel@2: #define POWERPC_GET_PMC5(a) do {} while (0)
nengel@2: #define POWERPC_GET_PMC6(a) do {} while (0)
nengel@2: #endif
nengel@2: #endif /* ARCH_PPC64 */
nengel@2: #define POWERPC_PERF_DECLARE(a, cond)       \
nengel@2:     POWERP_PMC_DATATYPE                     \
nengel@2:         pmc_start[POWERPC_NUM_PMC_ENABLED], \
nengel@2:         pmc_stop[POWERPC_NUM_PMC_ENABLED],  \
nengel@2:         pmc_loop_index;
nengel@2: #define POWERPC_PERF_START_COUNT(a, cond) do { \
nengel@2:     POWERPC_GET_PMC6(pmc_start[5]); \
nengel@2:     POWERPC_GET_PMC5(pmc_start[4]); \
nengel@2:     POWERPC_GET_PMC4(pmc_start[3]); \
nengel@2:     POWERPC_GET_PMC3(pmc_start[2]); \
nengel@2:     POWERPC_GET_PMC2(pmc_start[1]); \
nengel@2:     POWERPC_GET_PMC1(pmc_start[0]); \
nengel@2:     } while (0)
nengel@2: #define POWERPC_PERF_STOP_COUNT(a, cond) do { \
nengel@2:     POWERPC_GET_PMC1(pmc_stop[0]);            \
nengel@2:     POWERPC_GET_PMC2(pmc_stop[1]);            \
nengel@2:     POWERPC_GET_PMC3(pmc_stop[2]);            \
nengel@2:     POWERPC_GET_PMC4(pmc_stop[3]);            \
nengel@2:     POWERPC_GET_PMC5(pmc_stop[4]);            \
nengel@2:     POWERPC_GET_PMC6(pmc_stop[5]);            \
nengel@2:     if (cond) {                               \
nengel@2:         for(pmc_loop_index = 0;               \
nengel@2:             pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \
nengel@2:             pmc_loop_index++) {               \
nengel@2:             if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) {  \
nengel@2:                 POWERP_PMC_DATATYPE diff =                                \
nengel@2:                   pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index];   \
nengel@2:                 if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \
nengel@2:                     perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \
nengel@2:                 if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \
nengel@2:                     perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \
nengel@2:                 perfdata[pmc_loop_index][a][powerpc_data_sum] += diff;    \
nengel@2:                 perfdata[pmc_loop_index][a][powerpc_data_num] ++;         \
nengel@2:             }                                 \
nengel@2:         }                                     \
nengel@2:     }                                         \
nengel@2: } while (0)
nengel@2: #else /* CONFIG_POWERPC_PERF */
nengel@2: // those are needed to avoid empty statements.
nengel@2: #define POWERPC_PERF_DECLARE(a, cond)        int altivec_placeholder __attribute__ ((unused))
nengel@2: #define POWERPC_PERF_START_COUNT(a, cond)    do {} while (0)
nengel@2: #define POWERPC_PERF_STOP_COUNT(a, cond)     do {} while (0)
nengel@2: #endif /* CONFIG_POWERPC_PERF */
nengel@2: 
nengel@2: #endif /*  AVCODEC_PPC_DSPUTIL_PPC_H */