tcg-sparc: Use UMULXHI instruction

Signed-off-by: Richard Henderson <rth@twiddle.net>
diff --git a/disas/sparc.c b/disas/sparc.c
index 22ceac3..8e755d1 100644
--- a/disas/sparc.c
+++ b/disas/sparc.c
@@ -2034,6 +2034,7 @@
 
 { "addxc", F3F(2, 0x36, 0x011), F3F(~2, ~0x36, ~0x011), "1,2,d", 0, v9b },
 { "addxccc", F3F(2, 0x36, 0x013), F3F(~2, ~0x36, ~0x013), "1,2,d", 0, v9b },
+{ "umulxhi", F3F(2, 0x36, 0x016), F3F(~2, ~0x36, ~0x016), "1,2,d", 0, v9b },
 
 };