/* ACC -- Automatic Compiler Configuration   Copyright (C) 1996-2004 Markus Franz Xaver Johannes Oberhumer   All Rights Reserved.   This software is a copyrighted work licensed under the terms of   the GNU General Public License. Please consult the file "ACC_LICENSE"   for details.   Markus F.X.J. Oberhumer   <markus@oberhumer.com>   http://www.oberhumer.com/ */#define __ACCLIB_RDTSC_CH_INCLUDED 1#if !defined(ACCLIB_PUBLIC)#  define ACCLIB_PUBLIC(r,f)    r __ACCLIB_FUNCNAME(f)#endif#if defined(acc_int32e_t)/*************************************************************************// read TSC**************************************************************************/ACCLIB_PUBLIC(int, acc_tsc_read) (acc_uint32e_t* t){#if ((ACC_ARCH_AMD64 || ACC_ARCH_IA32) && ACC_CC_GNUC)    __asm__ __volatile__(        "clc \n" ".byte 0x0f, 0x31\n"        "movl %%eax,(%0)\n" "movl %%edx,4(%0)\n"#  if (ACC_CC_GNUC >= 0x020000ul)        : : "r" (t) : "cc", "memory", "eax", "edx"#  else        : : "r" (t) : "ax", "dx"#  endif    );    return 0;#elif (ACC_ARCH_IA32 && ACC_CC_INTELC) && defined(__linux__)    __asm__ __volatile__(        "clc \n" ".byte 0x0f, 0x31\n"        "movl %%eax,(%0)\n" "movl %%edx,4(%0)\n"        : : "r" (t) : "memory", "eax", "edx"    );    return 0;#elif (ACC_ARCH_IA32 && (ACC_OS_DOS32 || ACC_OS_WIN32) && (ACC_CC_DMC || ACC_CC_INTELC || ACC_CC_MSC))    ACC_UNUSED(t);    __asm {        mov ecx, t        clc#  if (ACC_CC_MSC && (_MSC_VER < 1200))        _emit 0x0f        _emit 0x31#  else        rdtsc#  endif        mov [ecx], eax        mov [ecx+4], edx    }    return 0;#else    t[0] = t[1] = 0;    return -1;#endif}/*************************************************************************// read and add TSC**************************************************************************/ACCLIB_PUBLIC(int, acc_tsc_read_add) (acc_uint32e_t* t){#if ((ACC_ARCH_AMD64 || ACC_ARCH_IA32) && ACC_CC_GNUC)    __asm__ __volatile__(        "clc \n" ".byte 0x0f, 0x31\n"        "addl %%eax,(%0)\n" "adcl $0,%%edx\n" "addl %%edx,4(%0)\n"#  if (ACC_CC_GNUC >= 0x020000ul)        : : "r" (t) : "cc", "memory", "eax", "edx"#  else        : : "r" (t) : "ax", "dx"#  endif    );    return 0;#elif (ACC_ARCH_IA32 && ACC_CC_INTELC) && defined(__linux__)    __asm__ __volatile__(        "clc \n" ".byte 0x0f, 0x31\n"        "addl %%eax,(%0)\n" "adcl $0,%%edx\n" "addl %%edx,4(%0)\n"        : : "r" (t) : "memory", "eax", "edx"    );    return 0;#elif (ACC_ARCH_IA32 && (ACC_OS_DOS32 || ACC_OS_WIN32) && (ACC_CC_DMC || ACC_CC_INTELC || ACC_CC_MSC))    ACC_UNUSED(t);    __asm {        mov ecx, t        clc#  if (ACC_CC_MSC && (_MSC_VER < 1200))        _emit 0x0f        _emit 0x31#  else        rdtsc#  endif        add [ecx], eax        adc edx, 0        add [ecx+4], edx    }    return 0;#else    acc_uint32e_t v[2];    int r;    r = acc_tsc_read(v);    t[0] += v[0];    if (t[0] < v[0]) t[1] += 1;    t[1] += v[1];    return r;#endif}#endif /* defined(acc_int32e_t) *//*vi:ts=4:et*/