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authorMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:34 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:34 +0000
commitd9aeb2773e236e662c8b493f4bcee978f9908d7c (patch)
treebac48e388bf3ac739ae14cdf98da0eb4bb9d17bf /libtommath/etc/timer.asm
parent056b92bd4c8a42ce1843493310d382159166edb8 (diff)
parentc5fd7dd5548f28e32d846e39d17e5c4de4e769af (diff)
merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834'
and '6b61c50f4cf888bea302ac8fcf5dbb573b443251' --HG-- extra : convert_revision : b1dd3b94e60a07a176dba2b035ac79968595990a
Diffstat (limited to 'libtommath/etc/timer.asm')
-rw-r--r--libtommath/etc/timer.asm37
1 files changed, 37 insertions, 0 deletions
diff --git a/libtommath/etc/timer.asm b/libtommath/etc/timer.asm
new file mode 100644
index 0000000..35890d9
--- /dev/null
+++ b/libtommath/etc/timer.asm
@@ -0,0 +1,37 @@
+; 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
+ \ No newline at end of file