Return-Path: Delivered-To: apmail-harmony-commits-archive@www.apache.org Received: (qmail 94287 invoked from network); 27 May 2008 09:15:19 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 27 May 2008 09:15:19 -0000 Received: (qmail 18447 invoked by uid 500); 27 May 2008 09:15:21 -0000 Delivered-To: apmail-harmony-commits-archive@harmony.apache.org Received: (qmail 18423 invoked by uid 500); 27 May 2008 09:15:21 -0000 Mailing-List: contact commits-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list commits@harmony.apache.org Received: (qmail 18414 invoked by uid 99); 27 May 2008 09:15:21 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 27 May 2008 02:15:21 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.130] (HELO eos.apache.org) (140.211.11.130) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 27 May 2008 09:14:34 +0000 Received: from eos.apache.org (localhost [127.0.0.1]) by eos.apache.org (Postfix) with ESMTP id 507DAD2EB for ; Tue, 27 May 2008 09:14:56 +0000 (GMT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Apache Wiki To: commits@harmony.apache.org Date: Tue, 27 May 2008 09:14:56 -0000 Message-ID: <20080527091456.13181.89802@eos.apache.org> Subject: [Harmony Wiki] Update of "Jitrino OPT/opcodes" by Mikhail Fursov X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Harmony Wiki" for change notification. The following page has been changed by Mikhail Fursov: http://wiki.apache.org/harmony/Jitrino_OPT/opcodes ------------------------------------------------------------------------------ === Runtime exception check instructions: === // all of these take ExceptionModifier - * [:Jitrino_OPT/opcodes/TauCheckBounds: Op_TauCheckBounds] - takes index and array length arguments, ovf mod==none indicates 0<=idx*eltsize<2^31 + * [:Jitrino_OPT/opcodes/TauCheckBounds: Op_TauCheckBounds] - Takes index and array length arguments, the overflow modifier == none indicates that 0<=idx*element_size<2^31 - * [:Jitrino_OPT/opcodes/TauCheckLowerBound: Op_TauCheckLowerBound] - throws unless src0 <= src1 + * [:Jitrino_OPT/opcodes/TauCheckLowerBound: Op_TauCheckLowerBound] - Throws ArrayOfBoundException unless src0 <= src1 - * [:Jitrino_OPT/opcodes/TauCheckUpperBound: Op_TauCheckUpperBound] - throws unless src0 < src1 + * [:Jitrino_OPT/opcodes/TauCheckUpperBound: Op_TauCheckUpperBound] - Throws ArrayOfBoundException unless src0 < src1 - * [:Jitrino_OPT/opcodes/TauCheckNull: Op_TauCheckNull] - throws NullPointerException if source is null + * [:Jitrino_OPT/opcodes/TauCheckNull: Op_TauCheckNull] - Throws NullPointerException if ''src'' operand is null - * [:Jitrino_OPT/opcodes/TauCheckZero: Op_TauCheckZero] - for divide by zero exceptions (div and rem) + * [:Jitrino_OPT/opcodes/TauCheckZero: Op_TauCheckZero] - Throws DivideByZero exceptions. The resulted ''tau''operand is used in Op_TauDiv and Op_TauRem instructions. - * [:Jitrino_OPT/opcodes/TauCheckDivOpnds: Op_TauCheckDivOpnds] - for signed divide overflow in CLI (div/rem of MAXNEGINT, -1): generates an ArithmeticException + * [:Jitrino_OPT/opcodes/TauCheckDivOpnds: Op_TauCheckDivOpnds] - Was used for signed divide overflow in CLI (div/rem of MAXNEGINT, -1): generates an ArithmeticException. TODO: remove as unused. - * [:Jitrino_OPT/opcodes/TauCheckElemType: Op_TauCheckElemType] - Array element type check for aastore + * [:Jitrino_OPT/opcodes/TauCheckElemType: Op_TauCheckElemType] - Checks array element type. The resulted ''tau'' operand is used in Op_TauStElem instruction. - * [:Jitrino_OPT/opcodes/TauCheckFinite: Op_TauCheckFinite] - throws ArithmeticException if value is NaN or +- inifinity + * [:Jitrino_OPT/opcodes/TauCheckFinite: Op_TauCheckFinite] - Throws ArithmeticException if ''src'' operand is NaN or +- infinity === Allocation: === * [:Jitrino_OPT/opcodes/NewObj: Op_NewObj] - OutOfMemoryException