From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32371 invoked by alias); 17 Sep 2019 08:06:58 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 31202 invoked by uid 89); 17 Sep 2019 08:06:48 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-10.8 required=5.0 tests=AWL,BAYES_00,GIT_PATCH_2,GIT_PATCH_3,SPF_NEUTRAL autolearn=ham version=3.3.1 spammy=HX-detected-operating-system:3.x X-HELO: eggs.gnu.org Received: from eggs.gnu.org (HELO eggs.gnu.org) (209.51.188.92) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 17 Sep 2019 08:06:46 +0000 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iA8VU-0003XF-4E for gcc-patches@gcc.gnu.org; Tue, 17 Sep 2019 04:06:42 -0400 Received: from rock.gnat.com ([205.232.38.15]:48104) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iA8VR-0003VO-UZ for gcc-patches@gcc.gnu.org; Tue, 17 Sep 2019 04:06:39 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id 248B6117BC0; Tue, 17 Sep 2019 04:06:33 -0400 (EDT) Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id jX0WPUY+lxoY; Tue, 17 Sep 2019 04:06:33 -0400 (EDT) Received: from tron.gnat.com (tron.gnat.com [205.232.38.10]) by rock.gnat.com (Postfix) with ESMTP id 12D3F117BBD; Tue, 17 Sep 2019 04:06:33 -0400 (EDT) Received: by tron.gnat.com (Postfix, from userid 4862) id 0FFA86AD; Tue, 17 Sep 2019 04:06:33 -0400 (EDT) Date: Tue, 17 Sep 2019 08:06:00 -0000 From: Pierre-Marie de Rodat To: gcc-patches@gcc.gnu.org Cc: Arnaud Charlet Subject: [Ada] Refine change for bit-packed slices Message-ID: <20190917080633.GA37404@adacore.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="YZ5djTAD1cGYuMQK" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 205.232.38.15 X-IsSubscribed: yes X-SW-Source: 2019-09/txt/msg00970.txt.bz2 --YZ5djTAD1cGYuMQK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-length: 349 We use Long_Long_Integer'Size / 2 instead of 4 * 8 to support specifying a target configuration file where the largest integer is 32 bits instead of 64. Tested on x86_64-pc-linux-gnu, committed on trunk 2019-09-17 Arnaud Charlet gcc/ada/ * libgnat/s-bitfie.ads (Val_Bits, Val_Bytes): Define from Long_Long_Integer'Size. --YZ5djTAD1cGYuMQK Content-Type: text/x-diff; charset=us-ascii Content-Disposition: attachment; filename="patch.diff" Content-length: 899 --- gcc/ada/libgnat/s-bitfie.ads +++ gcc/ada/libgnat/s-bitfie.ads @@ -36,9 +36,13 @@ package System.Bitfields is -- Instances of the generic package in System.Bitfield_Utils. So far -- we have just one, which defaults to the natural endianness of the -- machine. We might someday want to support Scalar_Storage_Order. + -- Note: we use Long_Long_Integer'Size / 2 instead of 32 to support + -- specifying a target configuration file where the largest integer is + -- 32 bits instead of 64. + + Val_Bits : constant := Long_Long_Integer'Size / 2; + Val_Bytes : constant := Val_Bits / System.Storage_Unit; - Val_Bytes : constant := 4; - Val_Bits : constant := Val_Bytes * System.Storage_Unit; type Val_2 is mod 2**(Val_Bits * 2) with Alignment => Val_Bytes; pragma Provide_Shift_Operators (Val_2); type Val is mod 2**Val_Bits with Alignment => Val_Bytes; --YZ5djTAD1cGYuMQK--