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kc3-lang/libtommath/etc/timer.asm

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  • Author : Tom St Denis
    Date : 2003-05-17 12:33:54
    Hash : fd181cc8
    Message : added libtommath-0.17

  • etc/timer.asm
  • ; x86 timer in NASM
    ;
    ; Tom St Denis, tomstdenis@iahu.ca
    [bits 32]
    [section .data]
    time dd 0, 0
    
    [section .text]
    
    %ifdef USE_ELF
    [global t_start]
    t_start:
    %else
    [global _t_start]
    _t_start:
    %endif
       push edx
       push eax
       rdtsc
       mov [time+0],edx
       mov [time+4],eax
       pop eax
       pop edx
       ret
       
    %ifdef USE_ELF
    [global t_read]
    t_read:
    %else
    [global _t_read]
    _t_read:
    %endif
       rdtsc
       sub eax,[time+4]
       sbb edx,[time+0]
       ret