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view libtommath/etc/timer.asm @ 1416:33d90d219e03

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Compile with -fno-strict-overflow if possible. Needed for curve25519-donna https://github.com/agl/curve25519-donna/issues/31
author Matt Johnston <matt@ucc.asn.au>
date Fri, 23 Jun 2017 21:31:25 +0800
parents eed26cff980b
children
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; x86 timer in NASM
;
; Tom St Denis, [email protected]
[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