From patchwork Thu Dec 9 22:18:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Oliva X-Patchwork-Id: 48732 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 AC1173858420 for ; Thu, 9 Dec 2021 22:19:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AC1173858420 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1639088367; bh=nVbCtj6+WGyFAu/HziESXedmxBclaY1QcSUEjeoGp7Q=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=BjoIlR5La8/PTmEbU4wnbqzHuHErdDS0BuP2OD2ADrsB9Kt0i9WQ8dgpeBO504kbg plf31VYaFa5QKMUhazSsRO38U9G7BKBVY2lwV6MFuBTtdL5kzVmPb5c6ChYknUt16h lrkp+d5r6i5L9L6p2cGZdHnbyB+C+kixYt+lly4g= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from rock.gnat.com (rock.gnat.com [205.232.38.15]) by sourceware.org (Postfix) with ESMTPS id 057223858C27; Thu, 9 Dec 2021 22:18:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 057223858C27 Received: from localhost (localhost.localdomain [127.0.0.1]) by filtered-rock.gnat.com (Postfix) with ESMTP id D455311749B; Thu, 9 Dec 2021 17:18:57 -0500 (EST) X-Virus-Scanned: Debian amavisd-new at gnat.com Received: from rock.gnat.com ([127.0.0.1]) by localhost (rock.gnat.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id dA0opXaLXy+e; Thu, 9 Dec 2021 17:18:57 -0500 (EST) Received: from free.home (tron.gnat.com [IPv6:2620:20:4000:0:46a8:42ff:fe0e:e294]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by rock.gnat.com (Postfix) with ESMTPS id 9B29B117496; Thu, 9 Dec 2021 17:18:57 -0500 (EST) Received: from livre (livre.home [172.31.160.2]) by free.home (8.15.2/8.15.2) with ESMTPS id 1B9MIorX962439 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 9 Dec 2021 19:18:51 -0300 To: gcc-patches@gcc.gnu.org Subject: [PR100518] store by mult pieces: keep addr in Pmode Organization: Free thinker, does not speak for AdaCore Date: Thu, 09 Dec 2021 19:18:50 -0300 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 X-Spam-Status: No, score=-12.2 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: Alexandre Oliva via Gcc-patches From: Alexandre Oliva Reply-To: Alexandre Oliva Cc: marxin@gcc.gnu.org Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" The conversion of a MEM address to ptr_mode in try_store_by_multiple_pieces was misguided: copy_addr_to_reg expects Pmode for addresses. Regstrapped on x86_64-linux-gnu, testcase verified with a cross to aarch64. Ok to install? for gcc/ChangeLog PR target/100518 * builtins.c (try_store_by_multiple_pieces): Drop address conversion to ptr_mode. for gcc/testsuite/ChangeLog PR target/100518 * gcc.target/aarch64/pr100518.c: New. --- gcc/builtins.c | 2 +- gcc/testsuite/gcc.target/aarch64/pr100518.c | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/pr100518.c diff --git a/gcc/builtins.c b/gcc/builtins.c index 304d87dafb750..cd8947b4de286 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4003,7 +4003,7 @@ try_store_by_multiple_pieces (rtx to, rtx len, unsigned int ctz_len, constfundata = &valc; } - rtx ptr = copy_addr_to_reg (convert_to_mode (ptr_mode, XEXP (to, 0), 0)); + rtx ptr = copy_addr_to_reg (XEXP (to, 0)); rtx rem = copy_to_mode_reg (ptr_mode, convert_to_mode (ptr_mode, len, 0)); to = replace_equiv_address (to, ptr); set_mem_align (to, align); diff --git a/gcc/testsuite/gcc.target/aarch64/pr100518.c b/gcc/testsuite/gcc.target/aarch64/pr100518.c new file mode 100644 index 0000000000000..5ca599f5d2e0e --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/pr100518.c @@ -0,0 +1,9 @@ +/* { dg-do compile } */ +/* { dg-options "-mabi=ilp32 -mstrict-align -O2" } */ + +int unsigned_range_min, unsigned_range_max, a11___trans_tmp_1; + +void a11() { + a11___trans_tmp_1 = unsigned_range_max < unsigned_range_min; + __builtin_memset((char *)1, 0, a11___trans_tmp_1); +}