diff options
| author | Alexey Kardashevskiy | 2014-05-30 21:00:28 +0200 |
|---|---|---|
| committer | Alex Williamson | 2014-05-30 21:00:28 +0200 |
| commit | 12e1129b800a14ee77abe598beba41a95c7b86a5 (patch) | |
| tree | a8851beee9bf0577d846cf8392dcfd4a6239f118 /include/qemu | |
| parent | memory: Sanity check that no listeners remain on a destroyed AddressSpace (diff) | |
| download | qemu-12e1129b800a14ee77abe598beba41a95c7b86a5.tar.gz qemu-12e1129b800a14ee77abe598beba41a95c7b86a5.tar.xz qemu-12e1129b800a14ee77abe598beba41a95c7b86a5.zip | |
int128: Add int128_exts64()
This adds macro to extend signed 64bit value to signed 128bit value.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'include/qemu')
| -rw-r--r-- | include/qemu/int128.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/qemu/int128.h b/include/qemu/int128.h index f59703143a..fb782aaddd 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -38,6 +38,11 @@ static inline Int128 int128_2_64(void) return (Int128) { 0, 1 }; } +static inline Int128 int128_exts64(int64_t a) +{ + return (Int128) { .lo = a, .hi = (a < 0) ? -1 : 0 }; +} + static inline Int128 int128_and(Int128 a, Int128 b) { return (Int128) { a.lo & b.lo, a.hi & b.hi }; |