Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20180328' into staging

Fix muluh_i64 and mulsh_i64 flags

# gpg: Signature made Wed 28 Mar 2018 05:46:45 BST
# gpg:                using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20180328:
  tcg: Mark muluh_i64 and mulsh_i64 as 64-bit ops
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

tcg/tcg-opc.h

@@ -182,8 +182,8 @@ DEF(add2_i64, 2, 4, 0, IMPL64 | IMPL(TCG_TARGET_HAS_add2_i64))
 DEF(sub2_i64, 2, 4, 0, IMPL64 | IMPL(TCG_TARGET_HAS_sub2_i64))
 DEF(mulu2_i64, 2, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_mulu2_i64))
 DEF(muls2_i64, 2, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_muls2_i64))
-DEF(muluh_i64, 1, 2, 0, IMPL(TCG_TARGET_HAS_muluh_i64))
-DEF(mulsh_i64, 1, 2, 0, IMPL(TCG_TARGET_HAS_mulsh_i64))
+DEF(muluh_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_muluh_i64))
+DEF(mulsh_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_mulsh_i64))
 
 #define TLADDR_ARGS  (TARGET_LONG_BITS <= TCG_TARGET_REG_BITS ? 1 : 2)
 #define DATA64_ARGS  (TCG_TARGET_REG_BITS == 64 ? 1 : 2)