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| author | H. Peter Anvin <hpa@zytor.com> | 2010-04-22 11:02:56 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-04-22 11:02:56 -0700 |
| commit | c138e6a4b23bf6e34a43e178fb4b09a13944f1d4 (patch) | |
| tree | 2f750878ede20f6983e71763800fe8ba99b7f0d4 /rbtree.h | |
| parent | 671a19600cb99b7350728a0985dacd77af885a86 (diff) | |
| download | nasm-c138e6a4b23bf6e34a43e178fb4b09a13944f1d4.tar.gz | |
ilog2: optimize use of bsr for x86-64
On x86-64 platforms, we can rely on BSR not changing the destination
operand when the input is zero.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'rbtree.h')
0 files changed, 0 insertions, 0 deletions