From patchwork Thu Nov 21 01:49:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Johansson X-Patchwork-Id: 13881535 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7A01D743FE for ; Thu, 21 Nov 2024 01:48:08 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tDwHj-0001YT-HS; Wed, 20 Nov 2024 20:47:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tDwHh-0001Wj-DX for qemu-devel@nongnu.org; Wed, 20 Nov 2024 20:47:05 -0500 Received: from rev.ng ([94.130.142.21]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tDwHg-0004Wt-4z for qemu-devel@nongnu.org; Wed, 20 Nov 2024 20:47:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive:List-Unsubscribe:List-Unsubscribe-Post: List-Help; bh=23UMfXZbF/6Igxr41KQ6yE+eWu+hARLGdgl4G57ZkEA=; b=dn5Vc9z7EagOZg7 jpSg5S7ifsdtyL/qDAmIbcgFfaqSJeGw9st6ai6BWao83NaolRFO7p9aZMbWm7nEQx2/KHNc5RwnZ OE92j+cX7+i9Xsn4mXBVioeZNwuxZLct7SVw7hoDQDwaUGn3NoqSPF+crDHorbvY65IxYFDp/V+bg rY=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, ltaylorsimpson@gmail.com, bcain@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, alex.bennee@linaro.org Subject: [RFC PATCH v1 07/43] tcg: Increase maximum TB size and maximum temporaries Date: Thu, 21 Nov 2024 02:49:11 +0100 Message-ID: <20241121014947.18666-8-anjo@rev.ng> In-Reply-To: <20241121014947.18666-1-anjo@rev.ng> References: <20241121014947.18666-1-anjo@rev.ng> MIME-Version: 1.0 Received-SPF: pass client-ip=94.130.142.21; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Anton Johansson X-Patchwork-Original-From: Anton Johansson via From: Anton Johansson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Doubles amount of space allocated for translation blocks. This is needed, particularly for Hexagon, where a single instruction packet may consist of up to four vector instructions. If each vector instruction then gets expanded into gvec operations that utilize a small host vector size the TB blows up quite quickly. Signed-off-by: Anton Johansson --- include/tcg/tcg.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h index d3e820568f..bd8cb9ff50 100644 --- a/include/tcg/tcg.h +++ b/include/tcg/tcg.h @@ -39,7 +39,7 @@ /* XXX: make safe guess about sizes */ #define MAX_OP_PER_INSTR 266 -#define CPU_TEMP_BUF_NLONGS 128 +#define CPU_TEMP_BUF_NLONGS 256 #define TCG_STATIC_FRAME_SIZE (CPU_TEMP_BUF_NLONGS * sizeof(long)) #if TCG_TARGET_REG_BITS == 32 @@ -231,7 +231,7 @@ typedef struct TCGPool { #define TCG_POOL_CHUNK_SIZE 32768 -#define TCG_MAX_TEMPS 512 +#define TCG_MAX_TEMPS 1024 #define TCG_MAX_INSNS 512 /* when the size of the arguments of a called function is smaller than