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Tue, 25 Jun 2024 14:28:09 -0700 (PDT) Received: from [172.31.0.109] ([136.36.72.243]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-5c1d55cdeecsm1908436eaf.18.2024.06.25.14.28.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Jun 2024 14:28:08 -0700 (PDT) Message-ID: <5b1defb1-84b6-4322-aff5-92740415f6dc@gmail.com> Date: Tue, 25 Jun 2024 15:28:07 -0600 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: [PATCH v2 3/3] RISC-V: cmpmem for RISCV with V extension Content-Language: en-US To: Sergei Lewis , gcc-patches@gcc.gnu.org References: <20231219095348.356551-1-slewis@rivosinc.com> <20231219095348.356551-4-slewis@rivosinc.com> From: Jeff Law In-Reply-To: <20231219095348.356551-4-slewis@rivosinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,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 12/19/23 2:53 AM, Sergei Lewis wrote: > gcc/ChangeLog: > > * config/riscv/riscv-protos.h (riscv_vector::expand_vec_cmpmem): New function > declaration. > > * config/riscv/riscv-string.cc (riscv_vector::expand_vec_cmpmem): New > function; this generates an inline vectorised memory compare, if and only if > we know the entire operation can be performed in a single vector load per > input > > * config/riscv/riscv.md (cmpmemsi): Try riscv_vector::expand_vec_cmpmem for > constant lengths > > gcc/testsuite/ChangeLog: > > * gcc.target/riscv/rvv/base/cmpmem-1.c: New codegen tests > * gcc.target/riscv/rvv/base/cmpmem-2.c: New execution tests > * gcc.target/riscv/rvv/base/cmpmem-3.c: New codegen tests > * gcc.target/riscv/rvv/base/cmpmem-4.c: New codegen tests So I just commited the updated version of this patch to the trunk. Thanks again for the work and your patience. I'll sort out patch #1 of this series next :-) jeff