From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B796CC432C1 for ; Tue, 24 Sep 2019 21:05:49 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7ADED20872 for ; Tue, 24 Sep 2019 21:05:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="naYk8Qqz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7ADED20872 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51358 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCs0J-0005uz-Qh for qemu-devel@archiver.kernel.org; Tue, 24 Sep 2019 17:05:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55468) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iCrvz-0002XE-0c for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iCrvv-0004T2-3B for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:18 -0400 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:38057) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iCrvq-0004Rp-6i for qemu-devel@nongnu.org; Tue, 24 Sep 2019 17:01:12 -0400 Received: by mail-wr1-x444.google.com with SMTP id l11so3630338wrx.5 for ; Tue, 24 Sep 2019 14:01:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=n37cEJrol8AD/IZetkBdnc9gLn6k6fFQUH++UO9sxLc=; b=naYk8Qqzyhv5aXDAnqXsfstj/X2uRHawlXM83yyVYtLx7UIUUQcckiOPfvD9Ba+EMU kmHlQOWeFiGza7bNZFCxB/E/LLkd3oKsJ0gTipsfdnuxEpDRXAiblrRTLMoZbmhkMhit CouxbTC8KGqsZ3m0NXPkBJkdMuv93nmYNvDoLBbWxEQZYN6kHDJz3eLsSxuLJ9tTV7wZ mhgn8qd0FkpXGzLkPiDyVixV5E/o7VxI3oELr3FMhk+33iCfph3ld2nhuzM0idLzbgOw 6wTEzpqohg7eGQhX+NYX26ZprWVFCxX4dJnTVSTgd46Lscn2zK5AfFmCjXLHVAHcXP6C WFaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=n37cEJrol8AD/IZetkBdnc9gLn6k6fFQUH++UO9sxLc=; b=YZABA/HK+J6y/TovaELqu2x+Xr9hcZn3SJkx0mt/E7EF77cIxKLauyod1n9nDH42EX /QFwBOvLHCkLAGRQBU6/5XsTe/PPtMWJCXlSFkx27fhyAA25aNn3LdI3FCt2f/6hHj2d fDoiIQE0W/AkTBVbnDkWvqbxabQjkyq6y+8EHPpegkBHgbA7UUsHE4nnt/jz8k1/m6hF eoZZEksads2XKXirrPzXzR+I87s2sfc2tz5dtql8ZH2mQrYbLz7sJBaidhgo+DND+5Sw 5S5/XxXxbQ9WZlNyMfV29bpG4llSdYIsVJdiYkxTsqSyIX6rZA2RfPm9vl+iutCFBwuN 6qQg== X-Gm-Message-State: APjAAAUV1dI6GYKiW2YVEEdJx8V5KTWLCrqD8wZVZKH4h/gtO0aEw12G DmtvC0j6H/wdYACKKPZRGOvPLA== X-Google-Smtp-Source: APXvYqzndSo7WD6Am/1Q1EfTJXEPzK0Fl/tkyGEJKvmZ+44HQJjfBBf70NgGaGynQMxgcMffn2Vlkg== X-Received: by 2002:adf:f949:: with SMTP id q9mr4958097wrr.382.1569358868190; Tue, 24 Sep 2019 14:01:08 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id n2sm955358wmc.1.2019.09.24.14.01.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2019 14:01:07 -0700 (PDT) Received: from zen.lan (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id EF19F1FF8C; Tue, 24 Sep 2019 22:01:06 +0100 (BST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Subject: [PATCH v3 01/33] target/alpha: Use array for FPCR_DYN conversion Date: Tue, 24 Sep 2019 22:00:34 +0100 Message-Id: <20190924210106.27117-2-alex.bennee@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190924210106.27117-1-alex.bennee@linaro.org> References: <20190924210106.27117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson , jsnow@redhat.com, f4bug@amsat.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson This is a bit more straight-forward than using a switch statement. No functional change. Signed-off-by: Richard Henderson Signed-off-by: Alex Bennée Message-Id: <20190921043256.4575-2-richard.henderson@linaro.org> --- target/alpha/helper.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/target/alpha/helper.c b/target/alpha/helper.c index 19cda0a2db5..6c1703682e0 100644 --- a/target/alpha/helper.c +++ b/target/alpha/helper.c @@ -36,6 +36,13 @@ uint64_t cpu_alpha_load_fpcr(CPUAlphaState *env) void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val) { + static const uint8_t rm_map[] = { + [FPCR_DYN_NORMAL >> FPCR_DYN_SHIFT] = float_round_nearest_even, + [FPCR_DYN_CHOPPED >> FPCR_DYN_SHIFT] = float_round_to_zero, + [FPCR_DYN_MINUS >> FPCR_DYN_SHIFT] = float_round_down, + [FPCR_DYN_PLUS >> FPCR_DYN_SHIFT] = float_round_up, + }; + uint32_t fpcr = val >> 32; uint32_t t = 0; @@ -48,22 +55,7 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val) env->fpcr = fpcr; env->fpcr_exc_enable = ~t & FPCR_STATUS_MASK; - switch (fpcr & FPCR_DYN_MASK) { - case FPCR_DYN_NORMAL: - default: - t = float_round_nearest_even; - break; - case FPCR_DYN_CHOPPED: - t = float_round_to_zero; - break; - case FPCR_DYN_MINUS: - t = float_round_down; - break; - case FPCR_DYN_PLUS: - t = float_round_up; - break; - } - env->fpcr_dyn_round = t; + env->fpcr_dyn_round = rm_map[(fpcr & FPCR_DYN_MASK) >> FPCR_DYN_SHIFT]; env->fpcr_flush_to_zero = (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ); env->fp_status.flush_inputs_to_zero = (fpcr & FPCR_DNZ) != 0; -- 2.20.1