Add left-shift to match the existing right-shift.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id:
20200815013145.539409-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
return a >> n;
}
+static inline Int128 int128_lshift(Int128 a, int n)
+{
+ return a << n;
+}
+
static inline Int128 int128_add(Int128 a, Int128 b)
{
return a + b;
}
}
+static inline Int128 int128_lshift(Int128 a, int n)
+{
+ uint64_t l = a.lo << (n & 63);
+ if (n >= 64) {
+ return int128_make128(0, l);
+ } else if (n > 0) {
+ return int128_make128(l, (a.hi << n) | (a.lo >> (64 - n)));
+ }
+ return a;
+}
+
static inline Int128 int128_add(Int128 a, Int128 b)
{
uint64_t lo = a.lo + b.lo;