From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10697 invoked by alias); 21 Jan 2017 03:04:35 -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 10612 invoked by uid 89); 21 Jan 2017 03:04:34 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,SPF_PASS autolearn=no version=3.3.2 spammy=2s, H*RU:209.85.192.193, Hx-spam-relays-external:209.85.192.193 X-HELO: mail-pf0-f193.google.com Received: from mail-pf0-f193.google.com (HELO mail-pf0-f193.google.com) (209.85.192.193) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 21 Jan 2017 03:04:32 +0000 Received: by mail-pf0-f193.google.com with SMTP id f144so6441663pfa.2 for ; Fri, 20 Jan 2017 19:04:32 -0800 (PST) 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=oHVnQiqzqUsuCiB/8oKjINIVlH6/66uG+pFFGZZh55M4Sdi6zxVRpTvYFnlvqWQ4sX ve/MnubjTBkueoi8bMGvubov+sE6YdGt9QtEOg2BxIKUSSc0vaLRBBdI/kJBg4I8cSRv SkD9iJd8DriiOn0oHgJ6HnotM6xRupLJX/pM0lKwpRmuLBfkEZVvmTIYju7uYSLrsOyN 6dECxz9dZui4+mOpFcWKwKTYSd+GSZRISRCR/7Yeayn4Kq+5vgnoeYu04to9/npwor2z o3MFz3gAii2gZIijcgy96MWQcSCHsTF3d899aCkkZcu5Y0ZERnnHr7qoQMRiYoFB0JK1 hULA== X-Gm-Message-State: AIkVDXJ8YqjfvvwtBoduwHtxcq8zUV/tae4lRa7R24cwwhL4wRa6wUBJbpWeOg7cK8YF8g== X-Received: by 10.84.216.91 with SMTP id f27mr26398385plj.92.1484967870483; Fri, 20 Jan 2017 19:04:30 -0800 (PST) Received: from localhost (g149.219-103-224.ppp.wakwak.ne.jp. [219.103.224.149]) by smtp.gmail.com with ESMTPSA id f3sm19882567pfd.10.2017.01.20.19.04.29 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 20 Jan 2017 19:04:29 -0800 (PST) From: Stafford Horne To: gdb-patches@sourceware.org Cc: openrisc@lists.librecores.org, Peter Gavin Subject: [PATCH v2 2/6] sim: cgen: add mul-o1flag, mul-o2flag RTL functions to CGEN Date: Sat, 21 Jan 2017 03:04:00 -0000 Message-Id: <78efe0aea7b1813831214b1134a7bd080fa7816e.1484967575.git.shorne@gmail.com> In-Reply-To: References: In-Reply-To: References: X-IsSubscribed: yes X-SW-Source: 2017-01/txt/msg00436.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