From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) by sourceware.org (Postfix) with ESMTP id 9022B3858400 for ; Mon, 11 Jul 2022 07:14:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 9022B3858400 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 localhost.localdomain (unknown [180.102.239.252]) by APP-05 (Coremail) with SMTP id zQCowAD3FnzqzctiLP5+DA--.48133S2; Mon, 11 Jul 2022 15:14:52 +0800 (CST) From: shihua@iscas.ac.cn To: gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com, palmer@dabbelt.com, jim.wilson.gcc@gmail.com, cmuellner@ventanamicro.com, lazyparser@gmail.com, shiyulong@iscas.ac.cn, jiawei@iscas.ac.cn, anku.anand@gmail.com, LiaoShihua Subject: [PATCH 0/1 V3] RISC-V: Support Zmmul extension Date: Mon, 11 Jul 2022 15:14:34 +0800 Message-Id: <20220711071435.1851-1-shihua@iscas.ac.cn> X-Mailer: git-send-email 2.31.1.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: zQCowAD3FnzqzctiLP5+DA--.48133S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKrWDAF45GFWxAF4fKFW3Wrg_yoWDZwb_CF y8XFWxX34UZa4rJFWDtrs8Kry8t395WF9xt3W7tr429F17Wws8Aw4DtF4jyr1j9ry8JFWf JFn7XryfKrnFqjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbVAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVWxJr 0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lw4CEc2x0rVAKj4xxMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r 1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CE b7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0x vE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI 42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxh VjvjDU0xZFpf9x0JUm2NtUUUUU= X-Originating-IP: [180.102.239.252] X-CM-SenderInfo: xvklx33d6l2u1dvotugofq/1tbiCg0EEWKY1hOwswAAsu X-Spam-Status: No, score=-5.0 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_PASS, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jul 2022 07:15:01 -0000 From: LiaoShihua Zmmul extension is Multiply only extension for RISC-V.It implements the multiplication subset of the M extension. The encodings are identical to those of the corresponding M-extension instructions. When You both use M extension add Zmmul extension, it will warning "-mdiv cannot use when the ZMMUL extension is present" LiaoShihua (1): RISC-V: Support Zmmul extension gcc/common/config/riscv/riscv-common.cc | 3 +++ gcc/config/riscv/riscv-c.cc | 4 ++-- gcc/config/riscv/riscv-opts.h | 3 +++ gcc/config/riscv/riscv.cc | 4 +++- gcc/config/riscv/riscv.md | 28 ++++++++++++------------ gcc/config/riscv/riscv.opt | 3 +++ gcc/testsuite/gcc.target/riscv/zmmul-1.c | 20 +++++++++++++++++ gcc/testsuite/gcc.target/riscv/zmmul-2.c | 20 +++++++++++++++++ 8 files changed, 68 insertions(+), 17 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/zmmul-1.c create mode 100644 gcc/testsuite/gcc.target/riscv/zmmul-2.c -- 2.31.1.windows.1