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126 lines
4.8 KiB
126 lines
4.8 KiB
/* |
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* Copyright (c) 2003-2004 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 CONFIG_DARWIN |
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/* The Apple assembler shipped w/ gcc-3.3 knows about DCBZL, previous assemblers don't |
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We assume here that the Darwin GCC is from Apple.... */ |
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#if (__GNUC__ * 100 + __GNUC_MINOR__ < 303) |
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#define NO_DCBZL |
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#endif |
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#else /* CONFIG_DARWIN */ |
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/* I don't think any non-Apple assembler knows about DCBZL */ |
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#define NO_DCBZL |
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#endif /* CONFIG_DARWIN */ |
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#ifdef POWERPC_PERFORMANCE_REPORT |
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void powerpc_display_perf_report(void); |
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/* the 604* have 2, the G3* have 4, the G4s have 6 */ |
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#define POWERPC_NUM_PMC_ENABLED 4 |
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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_fdct, |
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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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altivec_hadamard8_diff8x8_num, |
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powerpc_clear_blocks_dcbz32, |
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powerpc_clear_blocks_dcbz128, |
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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_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total]; |
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#define POWERPC_GET_PMC1(a) asm volatile("mfspr %0, 937" : "=r" (a)) |
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#define POWERPC_GET_PMC2(a) asm volatile("mfspr %0, 938" : "=r" (a)) |
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#if (POWERPC_NUM_PMC_ENABLED > 2) |
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#define POWERPC_GET_PMC3(a) asm volatile("mfspr %0, 941" : "=r" (a)) |
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#define POWERPC_GET_PMC4(a) asm volatile("mfspr %0, 942" : "=r" (a)) |
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#else |
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#define POWERPC_GET_PMC3(a) do {} while (0) |
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#define POWERPC_GET_PMC4(a) do {} while (0) |
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#endif |
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#if (POWERPC_NUM_PMC_ENABLED > 4) |
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#define POWERPC_GET_PMC5(a) asm volatile("mfspr %0, 929" : "=r" (a)) |
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#define POWERPC_GET_PMC6(a) asm volatile("mfspr %0, 930" : "=r" (a)) |
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#else |
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#define POWERPC_GET_PMC5(a) do {} while (0) |
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#define POWERPC_GET_PMC6(a) do {} while (0) |
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#endif |
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#define POWERPC_PERF_DECLARE(a, cond) unsigned long pmc_start[POWERPC_NUM_PMC_ENABLED], pmc_stop[POWERPC_NUM_PMC_ENABLED], pmc_loop_index; |
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#define POWERPC_PERF_START_COUNT(a, cond) do { \ |
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POWERPC_GET_PMC6(pmc_start[5]); \ |
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POWERPC_GET_PMC5(pmc_start[4]); \ |
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POWERPC_GET_PMC4(pmc_start[3]); \ |
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POWERPC_GET_PMC3(pmc_start[2]); \ |
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POWERPC_GET_PMC2(pmc_start[1]); \ |
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POWERPC_GET_PMC1(pmc_start[0]); \ |
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} while (0) |
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#define POWERPC_PERF_STOP_COUNT(a, cond) do { \ |
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POWERPC_GET_PMC1(pmc_stop[0]); \ |
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POWERPC_GET_PMC2(pmc_stop[1]); \ |
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POWERPC_GET_PMC3(pmc_stop[2]); \ |
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POWERPC_GET_PMC4(pmc_stop[3]); \ |
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POWERPC_GET_PMC5(pmc_stop[4]); \ |
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POWERPC_GET_PMC6(pmc_stop[5]); \ |
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if (cond) \ |
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{ \ |
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for(pmc_loop_index = 0; \ |
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pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \ |
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pmc_loop_index++) \ |
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{ \ |
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if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) \ |
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{ \ |
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unsigned long diff = \ |
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pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index]; \ |
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if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \ |
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perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \ |
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if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \ |
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perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \ |
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perfdata[pmc_loop_index][a][powerpc_data_sum] += diff; \ |
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perfdata[pmc_loop_index][a][powerpc_data_num] ++; \ |
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} \ |
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} \ |
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} \ |
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} while (0) |
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#else /* POWERPC_PERFORMANCE_REPORT */ |
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// those are needed to avoid empty statements. |
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#define POWERPC_PERF_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused)) |
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#define POWERPC_PERF_START_COUNT(a, cond) do {} while (0) |
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#define POWERPC_PERF_STOP_COUNT(a, cond) do {} while (0) |
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#endif /* POWERPC_PERFORMANCE_REPORT */ |
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#endif /* _DSPUTIL_PPC_ */
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