From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38279) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WNc67-00030g-7B for qemu-devel@nongnu.org; Wed, 12 Mar 2014 01:53:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WNc5s-0005Ih-Su for qemu-devel@nongnu.org; Wed, 12 Mar 2014 01:52:59 -0400 Received: from e23smtp03.au.ibm.com ([202.81.31.145]:56051) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WNc5s-0005HN-31 for qemu-devel@nongnu.org; Wed, 12 Mar 2014 01:52:44 -0400 Received: from /spool/local by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 12 Mar 2014 15:52:39 +1000 From: Alexey Kardashevskiy Date: Wed, 12 Mar 2014 16:52:21 +1100 Message-Id: <1394603550-11556-3-git-send-email-aik@ozlabs.ru> In-Reply-To: <1394603550-11556-1-git-send-email-aik@ozlabs.ru> References: <1394603550-11556-1-git-send-email-aik@ozlabs.ru> Subject: [Qemu-devel] [PATCH v5 02/11] int128: add int128_exts64() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alex Williamson Cc: Alexey Kardashevskiy , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Alexander Graf This adds macro to extend signed 64bit value to signed 128bit value. Signed-off-by: Alexey Kardashevskiy --- Changes: v2: * (.hi = (a >> 63) ? -1 : 0) changed to (.hi = (a < 0) ? -1 : 0) --- include/qemu/int128.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/qemu/int128.h b/include/qemu/int128.h index 9ed47aa..ef87e5e 100644 --- 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 }; -- 1.8.4.rc4