Merge remote-tracking branch 'remotes/rth/tags/pull-target-i386-20150915' into staging

[qemu.git] / include / qemu / int128.h

diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index f59703143ae6c45db90658c8fa103e89da63ad86..fb782aaddd4a84c3666ee67fe2f5d16ddd1bc12b 100644 (file)
--- 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 };