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| author | Mark Adler <madler@alumni.caltech.edu> | 2011-09-09 23:24:43 -0700 |
|---|---|---|
| committer | Mark Adler <madler@alumni.caltech.edu> | 2011-09-09 23:24:43 -0700 |
| commit | 6b8233bfe00e79134cb1b84fc49d4f750a797f79 (patch) | |
| tree | ca2b03b0169568681dc3d9c823e9f0bc4417d6b5 /contrib/testzlib/rdtsc64.asm | |
| parent | 0484693e1723bbab791c56f95597bd7dbe867d03 (diff) | |
| download | zlib-1.2.2.3.tar.gz zlib-1.2.2.3.tar.bz2 zlib-1.2.2.3.zip | |
zlib 1.2.2.3v1.2.2.3
Diffstat (limited to '')
| -rw-r--r-- | contrib/testzlib/rdtsc64.asm | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/contrib/testzlib/rdtsc64.asm b/contrib/testzlib/rdtsc64.asm new file mode 100644 index 0000000..6b78a8b --- /dev/null +++ b/contrib/testzlib/rdtsc64.asm | |||
| @@ -0,0 +1,18 @@ | |||
| 1 | ; rdtsc64.asm | ||
| 2 | ; | ||
| 3 | ; unsigned _int64 myrdtsc(); | ||
| 4 | ; | ||
| 5 | ; return the performance rdtsc value, on AMD64/Intel EM64T | ||
| 6 | ; | ||
| 7 | ; compile with : | ||
| 8 | ; ml64.exe" /Flrdtsc64 /c /Zi rdtsc64.asm | ||
| 9 | ; | ||
| 10 | .code | ||
| 11 | myrdtsc PROC | ||
| 12 | rdtsc | ||
| 13 | shl rdx,32 | ||
| 14 | or rax,rdx | ||
| 15 | ret | ||
| 16 | myrdtsc ENDP | ||
| 17 | |||
| 18 | END | ||