tests/checkasm/checkasm.h - third_party/ffmpeg - Git at Google

 /*
  * Assembly testing and benchmarking tool
  * Copyright (c) 2015 Henrik Gramner
  * Copyright (c) 2008 Loren Merritt
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * FFmpeg 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 General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along
  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */

 #ifndef TESTS_CHECKASM_CHECKASM_H
 #define TESTS_CHECKASM_CHECKASM_H

 #include <stdint.h>
 #include "config.h"

 #if CONFIG_LINUX_PERF
 #include <unistd.h> // read(3)
 #include <sys/ioctl.h>
 #include <asm/unistd.h>
 #include <linux/perf_event.h>
 #endif

 #include "libavutil/avstring.h"
 #include "libavutil/cpu.h"
 #include "libavutil/internal.h"
 #include "libavutil/lfg.h"
 #include "libavutil/timer.h"

 void checkasm_check_aacpsdsp(void);
 void checkasm_check_afir(void);
 void checkasm_check_alacdsp(void);
 void checkasm_check_audiodsp(void);
 void checkasm_check_blend(void);
 void checkasm_check_blockdsp(void);
 void checkasm_check_bswapdsp(void);
 void checkasm_check_colorspace(void);
 void checkasm_check_exrdsp(void);
 void checkasm_check_fixed_dsp(void);
 void checkasm_check_flacdsp(void);
 void checkasm_check_float_dsp(void);
 void checkasm_check_fmtconvert(void);
 void checkasm_check_g722dsp(void);
 void checkasm_check_h264dsp(void);
 void checkasm_check_h264pred(void);
 void checkasm_check_h264qpel(void);
 void checkasm_check_hevc_add_res(void);
 void checkasm_check_hevc_idct(void);
 void checkasm_check_hevc_sao(void);
 void checkasm_check_huffyuvdsp(void);
 void checkasm_check_jpeg2000dsp(void);
 void checkasm_check_llviddsp(void);
 void checkasm_check_llviddspenc(void);
 void checkasm_check_nlmeans(void);
 void checkasm_check_pixblockdsp(void);
 void checkasm_check_sbrdsp(void);
 void checkasm_check_synth_filter(void);
 void checkasm_check_sw_rgb(void);
 void checkasm_check_utvideodsp(void);
 void checkasm_check_v210dec(void);
 void checkasm_check_v210enc(void);
 void checkasm_check_vf_gblur(void);
 void checkasm_check_vf_hflip(void);
 void checkasm_check_vf_threshold(void);
 void checkasm_check_vp8dsp(void);
 void checkasm_check_vp9dsp(void);
 void checkasm_check_videodsp(void);

 struct CheckasmPerf;

 void *checkasm_check_func(void *func, const char *name, ...) av_printf_format(2, 3);
 int checkasm_bench_func(void);
 void checkasm_fail_func(const char *msg, ...) av_printf_format(1, 2);
 struct CheckasmPerf *checkasm_get_perf_context(void);
 void checkasm_report(const char *name, ...) av_printf_format(1, 2);

 /* float compare utilities */
 int float_near_ulp(float a, float b, unsigned max_ulp);
 int float_near_abs_eps(float a, float b, float eps);
 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp);
 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
                          unsigned len);
 int float_near_abs_eps_array(const float *a, const float *b, float eps,
                              unsigned len);
 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
                                  unsigned max_ulp, unsigned len);
 int double_near_abs_eps(double a, double b, double eps);
 int double_near_abs_eps_array(const double *a, const double *b, double eps,
                               unsigned len);

 extern AVLFG checkasm_lfg;
 #define rnd() av_lfg_get(&checkasm_lfg)

 static av_unused void *func_ref, *func_new;

 #define BENCH_RUNS 1000 /* Trade-off between accuracy and speed */

 /* Decide whether or not the specified function needs to be tested */
 #define check_func(func, ...) (func_ref = checkasm_check_func((func_new = func), __VA_ARGS__))

 /* Declare the function prototype. The first argument is the return value, the remaining
  * arguments are the function parameters. Naming parameters is optional. */
 #define declare_func(ret, ...) declare_new(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
 #define declare_func_float(ret, ...) declare_new_float(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
 #define declare_func_emms(cpu_flags, ret, ...) declare_new_emms(cpu_flags, ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)

 /* Indicate that the current test has failed */
 #define fail() checkasm_fail_func("%s:%d", av_basename(__FILE__), __LINE__)

 /* Print the test outcome */
 #define report checkasm_report

 /* Call the reference function */
 #define call_ref(...) ((func_type *)func_ref)(__VA_ARGS__)

 #if ARCH_X86 && HAVE_X86ASM
 /* Verifies that clobbered callee-saved registers are properly saved and restored
  * and that either no MMX registers are touched or emms is issued */
 void checkasm_checked_call(void *func, ...);
 /* Verifies that clobbered callee-saved registers are properly saved and restored
  * and issues emms for asm functions which are not required to do so */
 void checkasm_checked_call_emms(void *func, ...);
 /* Verifies that clobbered callee-saved registers are properly saved and restored
  * but doesn't issue emms. Meant for dsp functions returning float or double */
 void checkasm_checked_call_float(void *func, ...);

 #if ARCH_X86_64
 /* Evil hack: detect incorrect assumptions that 32-bit ints are zero-extended to 64-bit.
  * This is done by clobbering the stack with junk around the stack pointer and calling the
  * assembly function through checked_call() with added dummy arguments which forces all
  * real arguments to be passed on the stack and not in registers. For 32-bit arguments the
  * upper half of the 64-bit register locations on the stack will now contain junk which will
  * cause misbehaving functions to either produce incorrect output or segfault. Note that
  * even though this works extremely well in practice, it's technically not guaranteed
  * and false negatives is theoretically possible, but there can never be any false positives.
  */
 void checkasm_stack_clobber(uint64_t clobber, ...);
 #define declare_new(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__)\
                               = (void *)checkasm_checked_call;
 #define declare_new_float(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__)\
                                     = (void *)checkasm_checked_call_float;
 #define declare_new_emms(cpu_flags, ret, ...) \
     ret (*checked_call)(void *, int, int, int, int, int, __VA_ARGS__) = \
         ((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms : \
                                              (void *)checkasm_checked_call;
 #define CLOB (UINT64_C(0xdeadbeefdeadbeef))
 #define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
                                               CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
                       checked_call(func_new, 0, 0, 0, 0, 0, __VA_ARGS__))
 #elif ARCH_X86_32
 #define declare_new(ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = (void *)checkasm_checked_call;
 #define declare_new_float(ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = (void *)checkasm_checked_call_float;
 #define declare_new_emms(cpu_flags, ret, ...) ret (*checked_call)(void *, __VA_ARGS__) = \
         ((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms :        \
                                              (void *)checkasm_checked_call;
 #define call_new(...) checked_call(func_new, __VA_ARGS__)
 #endif
 #elif ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
 /* Use a dummy argument, to offset the real parameters by 2, not only 1.
  * This makes sure that potential 8-byte-alignment of parameters is kept the same
  * even when the extra parameters have been removed. */
 void checkasm_checked_call_vfp(void *func, int dummy, ...);
 void checkasm_checked_call_novfp(void *func, int dummy, ...);
 extern void (*checkasm_checked_call)(void *func, int dummy, ...);
 #define declare_new(ret, ...) ret (*checked_call)(void *, int dummy, __VA_ARGS__) = (void *)checkasm_checked_call;
 #define call_new(...) checked_call(func_new, 0, __VA_ARGS__)
 #elif ARCH_AARCH64 && !defined(__APPLE__)
 void checkasm_stack_clobber(uint64_t clobber, ...);
 void checkasm_checked_call(void *func, ...);
 #define declare_new(ret, ...) ret (*checked_call)(void *, int, int, int, int, int, int, int, __VA_ARGS__)\
                               = (void *)checkasm_checked_call;
 #define CLOB (UINT64_C(0xdeadbeefdeadbeef))
 #define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
                                               CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
                       checked_call(func_new, 0, 0, 0, 0, 0, 0, 0, __VA_ARGS__))
 #else
 #define declare_new(ret, ...)
 #define declare_new_float(ret, ...)
 #define declare_new_emms(cpu_flags, ret, ...)
 /* Call the function */
 #define call_new(...) ((func_type *)func_new)(__VA_ARGS__)
 #endif

 #ifndef declare_new_emms
 #define declare_new_emms(cpu_flags, ret, ...) declare_new(ret, __VA_ARGS__)
 #endif
 #ifndef declare_new_float
 #define declare_new_float(ret, ...) declare_new(ret, __VA_ARGS__)
 #endif

 typedef struct CheckasmPerf {
     int sysfd;
     uint64_t cycles;
     int iterations;
 } CheckasmPerf;

 #if defined(AV_READ_TIME) || CONFIG_LINUX_PERF

 #if CONFIG_LINUX_PERF
 #define PERF_START(t) do {                              \
     ioctl(sysfd, PERF_EVENT_IOC_RESET, 0);              \
     ioctl(sysfd, PERF_EVENT_IOC_ENABLE, 0);             \
 } while (0)
 #define PERF_STOP(t) do {                               \
     ioctl(sysfd, PERF_EVENT_IOC_DISABLE, 0);            \
     read(sysfd, &t, sizeof(t));                         \
 } while (0)
 #else
 #define PERF_START(t) t = AV_READ_TIME()
 #define PERF_STOP(t)  t = AV_READ_TIME() - t
 #endif

 /* Benchmark the function */
 #define bench_new(...)\
     do {\
         if (checkasm_bench_func()) {\
             struct CheckasmPerf *perf = checkasm_get_perf_context();\
             av_unused const int sysfd = perf->sysfd;\
             func_type *tfunc = func_new;\
             uint64_t tsum = 0;\
             int ti, tcount = 0;\
             uint64_t t = 0; \
             for (ti = 0; ti < BENCH_RUNS; ti++) {\
                 PERF_START(t);\
                 tfunc(__VA_ARGS__);\
                 tfunc(__VA_ARGS__);\
                 tfunc(__VA_ARGS__);\
                 tfunc(__VA_ARGS__);\
                 PERF_STOP(t);\
                 if (t*tcount <= tsum*4 && ti > 0) {\
                     tsum += t;\
                     tcount++;\
                 }\
             }\
             emms_c();\
             perf->cycles += t;\
             perf->iterations++;\
         }\
     } while (0)
 #else
 #define bench_new(...) while(0)
 #define PERF_START(t)  while(0)
 #define PERF_STOP(t)   while(0)
 #endif

 #endif /* TESTS_CHECKASM_CHECKASM_H */
	/*
	* Assembly testing and benchmarking tool
	* Copyright (c) 2015 Henrik Gramner
	* Copyright (c) 2008 Loren Merritt
	*
	* This file is part of FFmpeg.
	*
	* FFmpeg is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* FFmpeg 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 General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License along
	* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	*/

	#ifndef TESTS_CHECKASM_CHECKASM_H
	#define TESTS_CHECKASM_CHECKASM_H

	#include <stdint.h>
	#include "config.h"

	#if CONFIG_LINUX_PERF
	#include <unistd.h> // read(3)
	#include <sys/ioctl.h>
	#include <asm/unistd.h>
	#include <linux/perf_event.h>
	#endif

	#include "libavutil/avstring.h"
	#include "libavutil/cpu.h"
	#include "libavutil/internal.h"
	#include "libavutil/lfg.h"
	#include "libavutil/timer.h"

	void checkasm_check_aacpsdsp(void);
	void checkasm_check_afir(void);
	void checkasm_check_alacdsp(void);
	void checkasm_check_audiodsp(void);
	void checkasm_check_blend(void);
	void checkasm_check_blockdsp(void);
	void checkasm_check_bswapdsp(void);
	void checkasm_check_colorspace(void);
	void checkasm_check_exrdsp(void);
	void checkasm_check_fixed_dsp(void);
	void checkasm_check_flacdsp(void);
	void checkasm_check_float_dsp(void);
	void checkasm_check_fmtconvert(void);
	void checkasm_check_g722dsp(void);
	void checkasm_check_h264dsp(void);
	void checkasm_check_h264pred(void);
	void checkasm_check_h264qpel(void);
	void checkasm_check_hevc_add_res(void);
	void checkasm_check_hevc_idct(void);
	void checkasm_check_hevc_sao(void);
	void checkasm_check_huffyuvdsp(void);
	void checkasm_check_jpeg2000dsp(void);
	void checkasm_check_llviddsp(void);
	void checkasm_check_llviddspenc(void);
	void checkasm_check_nlmeans(void);
	void checkasm_check_pixblockdsp(void);
	void checkasm_check_sbrdsp(void);
	void checkasm_check_synth_filter(void);
	void checkasm_check_sw_rgb(void);
	void checkasm_check_utvideodsp(void);
	void checkasm_check_v210dec(void);
	void checkasm_check_v210enc(void);
	void checkasm_check_vf_gblur(void);
	void checkasm_check_vf_hflip(void);
	void checkasm_check_vf_threshold(void);
	void checkasm_check_vp8dsp(void);
	void checkasm_check_vp9dsp(void);
	void checkasm_check_videodsp(void);

	struct CheckasmPerf;

	void checkasm_check_func(void func, const char *name, ...) av_printf_format(2, 3);
	int checkasm_bench_func(void);
	void checkasm_fail_func(const char *msg, ...) av_printf_format(1, 2);
	struct CheckasmPerf *checkasm_get_perf_context(void);
	void checkasm_report(const char *name, ...) av_printf_format(1, 2);

	/* float compare utilities */
	int float_near_ulp(float a, float b, unsigned max_ulp);
	int float_near_abs_eps(float a, float b, float eps);
	int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp);
	int float_near_ulp_array(const float a, const float b, unsigned max_ulp,
	unsigned len);
	int float_near_abs_eps_array(const float a, const float b, float eps,
	unsigned len);
	int float_near_abs_eps_array_ulp(const float a, const float b, float eps,
	unsigned max_ulp, unsigned len);
	int double_near_abs_eps(double a, double b, double eps);
	int double_near_abs_eps_array(const double a, const double b, double eps,
	unsigned len);

	extern AVLFG checkasm_lfg;
	#define rnd() av_lfg_get(&checkasm_lfg)

	static av_unused void func_ref, func_new;

	#define BENCH_RUNS 1000 /* Trade-off between accuracy and speed */

	/* Decide whether or not the specified function needs to be tested */
	#define check_func(func, ...) (func_ref = checkasm_check_func((func_new = func), __VA_ARGS__))

	/* Declare the function prototype. The first argument is the return value, the remaining
	* arguments are the function parameters. Naming parameters is optional. */
	#define declare_func(ret, ...) declare_new(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
	#define declare_func_float(ret, ...) declare_new_float(ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)
	#define declare_func_emms(cpu_flags, ret, ...) declare_new_emms(cpu_flags, ret, __VA_ARGS__) typedef ret func_type(__VA_ARGS__)

	/* Indicate that the current test has failed */
	#define fail() checkasm_fail_func("%s:%d", av_basename(__FILE__), __LINE__)

	/* Print the test outcome */
	#define report checkasm_report

	/* Call the reference function */
	#define call_ref(...) ((func_type *)func_ref)(__VA_ARGS__)

	#if ARCH_X86 && HAVE_X86ASM
	/* Verifies that clobbered callee-saved registers are properly saved and restored
	* and that either no MMX registers are touched or emms is issued */
	void checkasm_checked_call(void *func, ...);
	/* Verifies that clobbered callee-saved registers are properly saved and restored
	* and issues emms for asm functions which are not required to do so */
	void checkasm_checked_call_emms(void *func, ...);
	/* Verifies that clobbered callee-saved registers are properly saved and restored
	* but doesn't issue emms. Meant for dsp functions returning float or double */
	void checkasm_checked_call_float(void *func, ...);

	#if ARCH_X86_64
	/* Evil hack: detect incorrect assumptions that 32-bit ints are zero-extended to 64-bit.
	* This is done by clobbering the stack with junk around the stack pointer and calling the
	* assembly function through checked_call() with added dummy arguments which forces all
	* real arguments to be passed on the stack and not in registers. For 32-bit arguments the
	* upper half of the 64-bit register locations on the stack will now contain junk which will
	* cause misbehaving functions to either produce incorrect output or segfault. Note that
	* even though this works extremely well in practice, it's technically not guaranteed
	* and false negatives is theoretically possible, but there can never be any false positives.
	*/
	void checkasm_stack_clobber(uint64_t clobber, ...);
	#define declare_new(ret, ...) ret (checked_call)(void , int, int, int, int, int, __VA_ARGS__)\
	= (void *)checkasm_checked_call;
	#define declare_new_float(ret, ...) ret (checked_call)(void , int, int, int, int, int, __VA_ARGS__)\
	= (void *)checkasm_checked_call_float;
	#define declare_new_emms(cpu_flags, ret, ...) \
	ret (checked_call)(void , int, int, int, int, int, __VA_ARGS__) = \
	((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms : \
	(void *)checkasm_checked_call;
	#define CLOB (UINT64_C(0xdeadbeefdeadbeef))
	#define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
	CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
	checked_call(func_new, 0, 0, 0, 0, 0, __VA_ARGS__))
	#elif ARCH_X86_32
	#define declare_new(ret, ...) ret (checked_call)(void , __VA_ARGS__) = (void *)checkasm_checked_call;
	#define declare_new_float(ret, ...) ret (checked_call)(void , __VA_ARGS__) = (void *)checkasm_checked_call_float;
	#define declare_new_emms(cpu_flags, ret, ...) ret (checked_call)(void , __VA_ARGS__) = \
	((cpu_flags) & av_get_cpu_flags()) ? (void *)checkasm_checked_call_emms : \
	(void *)checkasm_checked_call;
	#define call_new(...) checked_call(func_new, __VA_ARGS__)
	#endif
	#elif ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
	/* Use a dummy argument, to offset the real parameters by 2, not only 1.
	* This makes sure that potential 8-byte-alignment of parameters is kept the same
	* even when the extra parameters have been removed. */
	void checkasm_checked_call_vfp(void *func, int dummy, ...);
	void checkasm_checked_call_novfp(void *func, int dummy, ...);
	extern void (checkasm_checked_call)(void func, int dummy, ...);
	#define declare_new(ret, ...) ret (checked_call)(void , int dummy, __VA_ARGS__) = (void *)checkasm_checked_call;
	#define call_new(...) checked_call(func_new, 0, __VA_ARGS__)
	#elif ARCH_AARCH64 && !defined(__APPLE__)
	void checkasm_stack_clobber(uint64_t clobber, ...);
	void checkasm_checked_call(void *func, ...);
	#define declare_new(ret, ...) ret (checked_call)(void , int, int, int, int, int, int, int, __VA_ARGS__)\
	= (void *)checkasm_checked_call;
	#define CLOB (UINT64_C(0xdeadbeefdeadbeef))
	#define call_new(...) (checkasm_stack_clobber(CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,\
	CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB,CLOB),\
	checked_call(func_new, 0, 0, 0, 0, 0, 0, 0, __VA_ARGS__))
	#else
	#define declare_new(ret, ...)
	#define declare_new_float(ret, ...)
	#define declare_new_emms(cpu_flags, ret, ...)
	/* Call the function */
	#define call_new(...) ((func_type *)func_new)(__VA_ARGS__)
	#endif

	#ifndef declare_new_emms
	#define declare_new_emms(cpu_flags, ret, ...) declare_new(ret, __VA_ARGS__)
	#endif
	#ifndef declare_new_float
	#define declare_new_float(ret, ...) declare_new(ret, __VA_ARGS__)
	#endif

	typedef struct CheckasmPerf {
	int sysfd;
	uint64_t cycles;
	int iterations;
	} CheckasmPerf;

	#if defined(AV_READ_TIME) \|\| CONFIG_LINUX_PERF

	#if CONFIG_LINUX_PERF
	#define PERF_START(t) do { \
	ioctl(sysfd, PERF_EVENT_IOC_RESET, 0); \
	ioctl(sysfd, PERF_EVENT_IOC_ENABLE, 0); \
	} while (0)
	#define PERF_STOP(t) do { \
	ioctl(sysfd, PERF_EVENT_IOC_DISABLE, 0); \
	read(sysfd, &t, sizeof(t)); \
	} while (0)
	#else
	#define PERF_START(t) t = AV_READ_TIME()
	#define PERF_STOP(t) t = AV_READ_TIME() - t
	#endif

	/* Benchmark the function */
	#define bench_new(...)\
	do {\
	if (checkasm_bench_func()) {\
	struct CheckasmPerf *perf = checkasm_get_perf_context();\
	av_unused const int sysfd = perf->sysfd;\
	func_type *tfunc = func_new;\
	uint64_t tsum = 0;\
	int ti, tcount = 0;\
	uint64_t t = 0; \
	for (ti = 0; ti < BENCH_RUNS; ti++) {\
	PERF_START(t);\
	tfunc(__VA_ARGS__);\
	tfunc(__VA_ARGS__);\
	tfunc(__VA_ARGS__);\
	tfunc(__VA_ARGS__);\
	PERF_STOP(t);\
	if (ttcount <= tsum4 && ti > 0) {\
	tsum += t;\
	tcount++;\
	}\
	}\
	emms_c();\
	perf->cycles += t;\
	perf->iterations++;\
	}\
	} while (0)
	#else
	#define bench_new(...) while(0)
	#define PERF_START(t) while(0)
	#define PERF_STOP(t) while(0)
	#endif

	#endif /* TESTS_CHECKASM_CHECKASM_H */