From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 116773 invoked by alias); 17 Mar 2017 05:39:49 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 116719 invoked by uid 89); 17 Mar 2017 05:39:48 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-25.3 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,GIT_PATCH_0,GIT_PATCH_1,GIT_PATCH_2,GIT_PATCH_3,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: mail-pg0-f65.google.com Received: from mail-pg0-f65.google.com (HELO mail-pg0-f65.google.com) (74.125.83.65) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 17 Mar 2017 05:39:46 +0000 Received: by mail-pg0-f65.google.com with SMTP id g2so8510318pge.2 for ; Thu, 16 Mar 2017 22:39:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=FDCQmRNOBoiNCkLFYNx97MQxZmWaokOf+SNOBR6Yx1Q=; b=IbH8NmhkbeuBgw4nSawiYvCdjM2cNVVQ4ZQ1hV37wNHYKxD2NFZUEfCtMn2c7Qftme BgW9fZXpYMNYRPe5BBFKw6atMMyAJ7YZZ2DQHWeWhqIzPUYROPSTsmosg/l6K24QfVaX 7mPa6ZvUQZIRw14eDd+F8Z+SDJTn2AHeFp8rYEEVqpDKPe0qO64GOCqu0bxRJIw/e/TX 4fIn+6bvvS9C2DuYv0l64RZwzmGA2bybHHQEf7FP0pfNdyQWIgpXfGcSWyPhtaVVcK9a GkXZelH2/Tt+gEl+9G5WVIAelKB1LPEdVqgkdklOpGHz1zsWkU0VjYp9/GnN5Fhg7ivH aG2w== X-Gm-Message-State: AFeK/H3LfKj+RrJgsIZy71TgLOUKBgG/Aw6vO1uKxBt2gew4TqR3WzSEWTK8lTYE8Zci/Q== X-Received: by 10.98.18.216 with SMTP id 85mr14917741pfs.131.1489729186109; Thu, 16 Mar 2017 22:39:46 -0700 (PDT) Received: from localhost (z17.124-44-180.ppp.wakwak.ne.jp. [124.44.180.17]) by smtp.gmail.com with ESMTPSA id 185sm13787635pfg.13.2017.03.16.22.39.45 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 Mar 2017 22:39:45 -0700 (PDT) From: Stafford Horne To: shorne@gmail.com, gdb-patches@sourceware.org Cc: Peter Gavin , openrisc@lists.librecores.org Subject: [PATCH v3 2/5] sim: cgen: add mul-o1flag, mul-o2flag RTL functions to CGEN Date: Fri, 17 Mar 2017 05:39:00 -0000 Message-Id: <2b8e80d1edda828c3a11e1ffec5bfbb0a329e526.1489728533.git.shorne@gmail.com> In-Reply-To: References: In-Reply-To: References: X-IsSubscribed: yes X-SW-Source: 2017-03/txt/msg00298.txt.bz2 From: Peter Gavin * sim/common/ChangeLog 2012-03-14 Peter Gavin * add mul-o1flag (1's complement unsigned multiply overflow flag) and mul-o2flag (2's complement signed multiply overflow flag) * cgen-ops.h: (MUL1OFSI) new function: 1's complement (MUL2OFSI) new function: 2's complement --- sim/common/cgen-ops.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sim/common/cgen-ops.h b/sim/common/cgen-ops.h index 97585d7..ffbdf3f 100644 --- a/sim/common/cgen-ops.h +++ b/sim/common/cgen-ops.h @@ -631,6 +631,22 @@ SUBOFQI (QI a, QI b, BI c) return res; } +SEMOPS_INLINE BI +MUL2OFSI (SI a, SI b) +{ + DI tmp = MULDI (EXTSIDI(a), EXTSIDI(b)); + BI res = tmp < -0x80000000LL || tmp > 0x7fffffffLL; + return res; +} + +SEMOPS_INLINE BI +MUL1OFSI (USI a, USI b) +{ + UDI tmp = MULDI (ZEXTSIDI(a), ZEXTSIDI(b)); + BI res = (tmp > 0xFFFFFFFFULL); + return res; +} + #else SI ADDCSI (SI, SI, BI); @@ -651,6 +667,8 @@ UBI ADDOFQI (QI, QI, BI); QI SUBCQI (QI, QI, BI); UBI SUBCFQI (QI, QI, BI); UBI SUBOFQI (QI, QI, BI); +BI MUL1OFSI (SI a, SI b); +BI MUL2OFSI (SI a, SI b); #endif -- 2.9.3