From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cstnet.cn (smtp80.cstnet.cn [159.226.251.80]) by sourceware.org (Postfix) with ESMTP id ECC543858D38 for ; Wed, 28 Dec 2022 04:10:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org ECC543858D38 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from [192.168.2.101] (unknown [125.65.12.117]) by APP-01 (Coremail) with SMTP id qwCowAB3fnqzwatjUu2NCQ--.52785S2; Wed, 28 Dec 2022 12:10:28 +0800 (CST) Message-ID: Date: Wed, 28 Dec 2022 12:10:29 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [RFC]RISC-V: Support RV64-ILP32 To: Kito Cheng , Palmer Dabbelt Cc: gcc-patches@gcc.gnu.org, lazyparser@gmail.com, jiawei@iscas.ac.cn References: <3c96be88-9289-641c-0fe2-91b45392bfb2@gmail.com> Content-Language: en-US From: Liao Shihua In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID:qwCowAB3fnqzwatjUu2NCQ--.52785S2 X-Coremail-Antispam: 1UD129KBjvJXoW7uFyfJF4DWr1fZF4xJrW7twb_yoW8Gw1rpF yUW3WvkFs5JrsI9Fn2qr48Jr1ft393tr98Xws8trW8Crs0vrySqF90kr4rCa4DXFW5uw1j yFy3KFy3ua17Ca7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUvl14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4j 6r4UJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26F 4UJVW0owAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcVAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCYjI0SjxkI62AI1cAE 67vIY487MxkIecxEwVAFwVW8XwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJV W8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF 1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6x IIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvE x4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvj DU0xZFpf9x0JUIQ6LUUUUU= X-Originating-IP: [125.65.12.117] X-CM-SenderInfo: xvklx33d6l2u1dvotugofq/1tbiBwUOEWOrshsk3AAAsE X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_NUMSUBJECT,NICE_REPLY_A,RCVD_IN_BARRACUDACENTRAL,SPF_HELO_PASS,SPF_PASS,TXREP,URIBL_BLACK autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: I had send gcc and binutils patch to mainlist . But I only support them in newlib , not in glibc and qemu. As I know, qemu not support this now. 在 2022/12/28 9:40, Kito Cheng 写道: > I would suggest you could send all necessary parts like binutils, > glibc and/or qemu together future, so that we could easier test that? > > > On Wed, Dec 28, 2022 at 2:25 AM Palmer Dabbelt wrote: >> On Tue, 27 Dec 2022 10:24:10 PST (-0800), gcc-patches@gcc.gnu.org wrote: >>> >>> On 12/12/22 23:49, shihua@iscas.ac.cn wrote: >>>> From: Liao Shihua >>>> >>>> This patch support rv64 insn in ilp32 ABI. It was inspired by aarch64 both >>>> support 64-bit and 32-bit ABI with the same set of instructions. >>>> >>>> >>>> gcc/ChangeLog: >>>> >>>> * config.gcc: Implememt ilp32* with rv64*. >>>> * config/riscv/riscv.cc (riscv_option_override): Remove the constraint between RV64 and ILP32. >>>> * config/riscv/riscv.h (TARGET_ILP32): Define TARGET_ILP32 with riscv_abi. >>>> (POINTER_SIZE):POINTER_SIZE will change with TARGET_ILP32. >>>> (Pmode):Likewise. >>>> * config/riscv/riscv.md: Convert split mode with Pmode and change mode form Xmode to Pmode in stack_tie. >>> This is a new feature and thus I think we should defer to gcc-14 unless >>> there is a compelling need. >> I agree. This is a pretty big one with a lot of ABI-related >> complications, so let's just play it safe.