From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 86344 invoked by alias); 13 Oct 2017 12:37:14 -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 86134 invoked by uid 89); 13 Oct 2017 12:37:14 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-25.5 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=1s, UBI, Hx-languages-length:1189, complement X-HELO: mail-pf0-f195.google.com Received: from mail-pf0-f195.google.com (HELO mail-pf0-f195.google.com) (209.85.192.195) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 13 Oct 2017 12:37:12 +0000 Received: by mail-pf0-f195.google.com with SMTP id b6so1616524pfh.7 for ; Fri, 13 Oct 2017 05:37:12 -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; bh=EQeKeNkkWU0oiTpEcKz1sfcwMWPUJedlskTL7UY89XU=; b=dG9xxLGWq5cgKYuHch2MCp9y2zDas8wzbM/drIsOLfFz8MIyp+47ZHuFcIHyVNe1LD LjY4itxs2IVGELlV552L1eOB5kKhAwzFwFr8cKfWMCEGC4xwXuz3D9IpCiAcScP0npOJ FmhJLKFumAKaDU1/WWWbLdwt5jFIWlNp8bm8w6ioaDkP8rGoZEIffKW3OnEvQZlZ1VkP lTk1ouNr7IYWup10Y57qQVMgt30aMLIh3eMrIzc7A36Oj/gbq8tBwLLssYe0ulatuR/o Gw2Tm/Kh/X/OsObp2x/cBTihW7bBDu0ZC0FBs8poNcMDBDzBx3XVcTenESlapExRSQxu WPZg== X-Gm-Message-State: AMCzsaVzZvgQtWnLVt/CVMPVtzG8LSgNcHK6fSj7wTBuaPqsJ0ID9Kbj xqOfRoJTbtT93bfnqz3zARz5dIZO X-Google-Smtp-Source: AOwi7QBtZ0nUUCB5spyTwlnpov8tdTi6tRZ88XQc3RXAAREjQqESMgU1tG3ZE0lQs9KE5sImi3zZ8g== X-Received: by 10.98.48.195 with SMTP id w186mr1258714pfw.213.1507898231176; Fri, 13 Oct 2017 05:37:11 -0700 (PDT) Received: from localhost (g248.61-45-56.ppp.wakwak.ne.jp. [61.45.56.248]) by smtp.gmail.com with ESMTPSA id q73sm3250399pfl.146.2017.10.13.05.37.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 13 Oct 2017 05:37:10 -0700 (PDT) From: Stafford Horne To: GDB patches Cc: Doug Evans , Simon Marchi , Mike Frysinger , Openrisc , Peter Gavin Subject: [PATCH v6 2/6] sim: cgen: add MUL2OFSI and MUL1OFSI functions (needed for OR1K l.mul[u]) Date: Fri, 13 Oct 2017 12:37:00 -0000 Message-Id: <20171013123646.8206-3-shorne@gmail.com> In-Reply-To: <20171013123646.8206-1-shorne@gmail.com> References: <20171013123646.8206-1-shorne@gmail.com> X-IsSubscribed: yes X-SW-Source: 2017-10/txt/msg00355.txt.bz2 From: Peter Gavin sim/common/ChangeLog: 2012-03-14 Peter Gavin Stafford Horne * cgen-ops.h (MUL2OFSI): New function, 2's complement overflow flag. (MUL1OFSI): New function, 1's complement overflow flag. --- 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 97585d7943..0fa327630c 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 -- 2.13.6