From patchwork Wed Nov 10 12:49:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Sandiford X-Patchwork-Id: 47405 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 403523857825 for ; Wed, 10 Nov 2021 12:51:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 403523857825 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1636548706; bh=VR3rH/FhTxMMiQOLJmslvfar5W+gJbSUm3T7nmZxR+o=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=BFvty/Kah+50PmL/ZuFoPuD1te7CoFClvfdK1F7PaTrFpz3ibzChOSfjHaC/buNQp 3mWWcPTODDQnPaYWskEao9TpcH8qEFtanKLhq0BiETJQ+iagzMavax7DkMstdEJ/xc +wh1aLb23guKMHA24lOsV5THZ0ae4xoymx3dkPRw= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by sourceware.org (Postfix) with ESMTP id F2801385781F for ; Wed, 10 Nov 2021 12:49:01 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org F2801385781F Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AEC1C101E for ; Wed, 10 Nov 2021 04:49:01 -0800 (PST) Received: from localhost (unknown [10.32.98.88]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 55EF33F5A1 for ; Wed, 10 Nov 2021 04:49:01 -0800 (PST) To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@arm.com Subject: [PATCH 2/4] Mark IFN_COMPLEX_MUL as commutative Date: Wed, 10 Nov 2021 12:49:00 +0000 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Spam-Status: No, score=-12.4 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_SHORT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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-Patchwork-Original-From: Richard Sandiford via Gcc-patches From: Richard Sandiford Reply-To: Richard Sandiford Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Mark IFN_COMPLEX_MUL as commutative. Tested on aarch64-linux-gnu and x86_64-linux-gnu. OK to install? Richard gcc/ * internal-fn.c (commutative_binary_fn_p): Handle IFN_COMPLEX_MUL. gcc/testsuite/ * gcc.target/aarch64/sve/complex_mul_1.c: New test. --- gcc/internal-fn.c | 1 + .../gcc.target/aarch64/sve/complex_mul_1.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index 7b13db6dfe3..ff7d43f1801 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -3829,6 +3829,7 @@ commutative_binary_fn_p (internal_fn fn) case IFN_MULHRS: case IFN_FMIN: case IFN_FMAX: + case IFN_COMPLEX_MUL: return true; default: diff --git a/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c b/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c new file mode 100644 index 00000000000..d197e7d0d8e --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/sve/complex_mul_1.c @@ -0,0 +1,16 @@ +/* { dg-options "-O2 -fgimple -fdump-tree-optimized" } */ + +void __GIMPLE +foo (__SVFloat64_t x, __SVFloat64_t y, __SVFloat64_t *res1, + __SVFloat64_t *res2) +{ + __SVFloat64_t a1; + __SVFloat64_t a2; + + a1 = .COMPLEX_MUL (x, y); + a2 = .COMPLEX_MUL (y, x); + __MEM<__SVFloat64_t> (res1) = a1; + __MEM<__SVFloat64_t> (res2) = a2; +} + +/* { dg-final { scan-tree-dump-times {\.COMPLEX_MUL} 1 "optimized" } } */