Commit 12e1129b authored by Alexey Kardashevskiy's avatar Alexey Kardashevskiy Committed by Alex Williamson
Browse files

int128: Add int128_exts64() 



This adds macro to extend signed 64bit value to signed 128bit value.

Signed-off-by: default avatarAlexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 078c44f4

include/qemu/int128.h

+5 −0
Original line number Diff line number Diff line
@@ -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 };