From patchwork Mon Jan 14 15:16:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugeniy Paltsev X-Patchwork-Id: 1024643 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=synopsys.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="pqu9PjcD"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=synopsys.com header.i=@synopsys.com header.b="kYQHWMMn"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43dcXM2w38z9sDB for ; Tue, 15 Jan 2019 02:17:23 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=wnuf0pIsPNbrgngzMfyGp1/HGPcSXsKafmdd0OPqlok=; b=pqu9PjcDo15EKKM5vv07q0+29u 2KpnCj5NopoEexi7PP32x6lpqGj57nydqXvaiJCwbo2jg3NVttvSkCn8LSlJD6NeycKgRoT3sLmCi AYp+7INUwIEMtrfv7M7526IcooO21oogtNVlzKvFPQTNL6A/nhIoP+zUfKBHKBXMwwXaZeTqEdEcp KpVWVOXEuXFXA72mKywMB2slQ2tmx4Fpuu0kKv1fob8oaxhLSypKGWwTCZTZ6gOerQ7ptOBcksZrq HaWZMMvKrjT7FOEUedA10JGRJZF0CGw8t5qFBWuNZvh3dlFnmdxHQ96qRVaWFpCsrVKqM09E0OrvF K8XBNKjg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gj3zM-0007zy-Kd; Mon, 14 Jan 2019 15:17:20 +0000 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111] helo=smtprelay.synopsys.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gj3zB-0007lT-7v for linux-snps-arc@lists.infradead.org; Mon, 14 Jan 2019 15:17:17 +0000 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id 6D39B10C1375; Mon, 14 Jan 2019 07:17:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1547479027; bh=Th0aMmoqXykae17QutbAQZjcPAwhC62MQIBQ8R0lB2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kYQHWMMnBA1fUitDAFQoT96nU9FmUy1p+rF98351Ox9SHT7FX8Q8egq3npLDDPLFE /XVkM/vipiF9syWAgQYv1gTAKEsn+FzEBW1eegyM26oAAUKKSO8fMLNXwiy8QeXdPE +w906TSEX4CXBWc0jcHwH1sLcbg+DqMfj569v0TcwZQTB0hRRL7ZYXn3in3v0KxxFW ZkHxTbGFrtBvRG7sK7NCrcRy9bApxih2FRdXN4KRWQ9/hzXZvqjcY/zndScFrIqOV0 H6atkCZHR2Advt0b180iTm3frlwISaVMWaU0DAqojVhe2qlNalTcjaluxm6ju7BJGM QrqDOWHv4pstQ== Received: from paltsev-e7480.internal.synopsys.com (paltsev-e7480.internal.synopsys.com [10.121.3.66]) by mailhost.synopsys.com (Postfix) with ESMTP id C497758B3; Mon, 14 Jan 2019 07:17:05 -0800 (PST) From: Eugeniy Paltsev To: linux-snps-arc@lists.infradead.org, Vineet Gupta Subject: [PATCH 2/2] ARCv2: LIB: memset: move st instruction series to macros Date: Mon, 14 Jan 2019 18:16:49 +0300 Message-Id: <20190114151649.32726-2-Eugeniy.Paltsev@synopsys.com> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20190114151649.32726-1-Eugeniy.Paltsev@synopsys.com> References: <20190114151649.32726-1-Eugeniy.Paltsev@synopsys.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190114_071709_657883_49326A46 X-CRM114-Status: UNSURE ( 7.01 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [198.182.60.111 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Brodkin , Eugeniy Paltsev , linux-kernel@vger.kernel.org MIME-Version: 1.0 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Move store 32 byte instruction series to macros to make code more readable. Signed-off-by: Eugeniy Paltsev --- arch/arc/lib/memset-archs.S | 63 +++++++++++++++------------------------------ 1 file changed, 21 insertions(+), 42 deletions(-) diff --git a/arch/arc/lib/memset-archs.S b/arch/arc/lib/memset-archs.S index c7717832336f..4a0d562d23cd 100644 --- a/arch/arc/lib/memset-archs.S +++ b/arch/arc/lib/memset-archs.S @@ -31,6 +31,24 @@ # endif #endif /* L1_CACHE_SHIFT!=6 */ +.macro MEMSET_32BYTE val, adr +#ifdef CONFIG_ARC_HAS_LL64 + std.ab \val, [\adr, 8] + std.ab \val, [\adr, 8] + std.ab \val, [\adr, 8] + std.ab \val, [\adr, 8] +#else + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] + st.ab \val, [\adr, 4] +#endif +.endm + ENTRY_CFI(memset) PREFETCHW_INSTR([r0]) ; Prefetch the first write location mov.f 0, r2 @@ -70,53 +88,14 @@ ENTRY_CFI(memset) lpnz @.Lset64bytes ;; LOOP START PREALLOC_INSTR([r3, 64]) ;Prefetch the next write location -#ifdef CONFIG_ARC_HAS_LL64 - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] -#else - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] -#endif + MEMSET_32BYTE r4, r3 + MEMSET_32BYTE r4, r3 .Lset64bytes: lsr.f lp_count, r2, 5 ;Last remaining max 124 bytes lpnz .Lset32bytes ;; LOOP START -#ifdef CONFIG_ARC_HAS_LL64 - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] - std.ab r4, [r3, 8] -#else - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] - st.ab r4, [r3, 4] -#endif + MEMSET_32BYTE r4, r3 .Lset32bytes: and.f lp_count, r2, 0x1F ;Last remaining 31 bytes