From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 03B963858D32 for ; Mon, 20 Mar 2023 23:23:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 03B963858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679354584; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kVTt0D5WgeAIzMFXVlalvoX57O+p10oJal7rv4wxoW0=; b=ShEsahutk9rH5kD3ez08htDUIUnPBnPKz31nCufsvlxirs4MuZavIZmT9XdBo2UOD4v1Lz RqcsJ+iAh5nOiPtU47cxRneekWuQeH9iQVuTik+bK9jwuNeWWd8B7Y8+ExAqx30fHnYikO zHYXRBPzgjvlk4dgd51YeRPl2pkc9i0= Received: from mail-qv1-f70.google.com (mail-qv1-f70.google.com [209.85.219.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-460-Hbyy8rc2MgSohObDq7oDIA-1; Mon, 20 Mar 2023 19:23:03 -0400 X-MC-Unique: Hbyy8rc2MgSohObDq7oDIA-1 Received: by mail-qv1-f70.google.com with SMTP id r4-20020ad44044000000b005ad0ce58902so6852354qvp.5 for ; Mon, 20 Mar 2023 16:23:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679354583; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:to:from:subject:message-id:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=kVTt0D5WgeAIzMFXVlalvoX57O+p10oJal7rv4wxoW0=; b=rzGzZSJF/XHw7Bc/hdFjIiYhqBNX9uZOV4CMURXOF2k4QmIJYH56QhHQMSdtZfdUos JkZUsXANz3lNOsmcUvK/uBaeVJPr/vE6llTdy/wNjjZPZpRy65IsUSjurNv4rDFTmm50 s/1y7/RtUKeCDB+QaYPx9DfVa5s+Gv5t4qiu7ykkL1xKhbF5GHzVv8oyOWPk+IWnl508 b1awB9on7/0vp3BBCTwmrtxSkA8QwRYb5sKuwDPU9jvgYl1Wk5neE0X10QLHghFzEvtC 7u+PM4U8r5qDaiQ5eB8WUQcUYcMiHI8CTRlW79jOFlvUu+ZUivvjyjfkip5u4p1pevPV caQw== X-Gm-Message-State: AO0yUKUNtIgT0HJQlxLYb6CuFEtkGTm8sBaKkVo6xW8OGEqB1anemYsf TgHFJ39CaSnxq3cVXAgXPo97nVDBFwX9LqJHrVZ/ryB0arRJSovF9HJilQH1YUcak5kbD3ryxMz N65Ow3PY= X-Received: by 2002:a05:6214:40f:b0:5ab:7727:dc7d with SMTP id z15-20020a056214040f00b005ab7727dc7dmr1229149qvx.30.1679354583062; Mon, 20 Mar 2023 16:23:03 -0700 (PDT) X-Google-Smtp-Source: AK7set8Ax9tucERCvPxZDnedEcFAFOdmIpnW0lZcpcesR7J2xWjx59CzxQBCYYr3VnQkznh4NT8R3Q== X-Received: by 2002:a05:6214:40f:b0:5ab:7727:dc7d with SMTP id z15-20020a056214040f00b005ab7727dc7dmr1229134qvx.30.1679354582791; Mon, 20 Mar 2023 16:23:02 -0700 (PDT) Received: from t14s.localdomain (c-73-69-212-193.hsd1.nh.comcast.net. [73.69.212.193]) by smtp.gmail.com with ESMTPSA id s10-20020a05620a16aa00b0074341cb30d0sm8153881qkj.62.2023.03.20.16.23.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Mar 2023 16:23:02 -0700 (PDT) Message-ID: <1e44090dfc6fd8ae473cd0676735617b9e1bede8.camel@redhat.com> Subject: Re: Question on libgccjit From: David Malcolm To: "Li, Yicheng" , Basile Starynkevitch , "jit@gcc.gnu.org" Date: Mon, 20 Mar 2023 19:23:01 -0400 In-Reply-To: <07AE3E1A-1B09-4BC2-A654-1417C833EA92@vols.utk.edu> References: <4895236c-a56f-a8aa-d581-476e3072f72c@starynkevitch.net> <07AE3E1A-1B09-4BC2-A654-1417C833EA92@vols.utk.edu> User-Agent: Evolution 3.44.4 (3.44.4-1.fc36) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Mon, 2023-03-20 at 19:38 +0000, Li, Yicheng via Jit wrote: > Hi, >=20 > Here=E2=80=99s the question for libgccjit on pointer arithmetic. > There=E2=80=99s error for type mismatching with char* and int. > Please see full code at https://github.com/yli137/libgccjit_test >=20 GCC_JIT_BINARY_OP_PLUS doesn't properly work on pointers; libgccjit currently requires you to express pointer arithmetic as an array access; see: https://gcc.gnu.org/onlinedocs/jit/topics/expressions.html#c.GCC_JIT_BINARY= _OP_PLUS Sorry that this is a bit clunky. Dave