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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id 193sm4179986pfc.59.2019.09.20.21.33.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Sep 2019 21:33:00 -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; bh=b9hvT4KM2rHH/vsMDbpWRcPXcj5oYyVhJm17BHsajzk=; b=oLFJL9GXQvvNWFVixLW67J3Rg01HY92uuAArV94f51S6MObOMeWnJXllwd+xEsL2vO PnKCY5AMAqA++FVwJr+bHYu9nxEjIJX0i61zNr15WN2ep3jWB5BCLbZBcs1AAfiTdmrl b2N5vD8FF3OdLQ/XwdRev7fVcE9K0Xn2S7CHwgr046a2fOApext+cZLV0ql9TOC9Rnsd +XdnzVWNR9N/dnUORZr3ajHTRQOopmBDGrSnnrZLPGKmmE5XugDXCfoQ+pH81iKEgBFC saWGkZ6gihQUFbv2P2S2Hpn/0HJWTd1qiXklcbnzVYa1DZnch42vrsewApUC9jLiXiTh xfqg== 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; bh=b9hvT4KM2rHH/vsMDbpWRcPXcj5oYyVhJm17BHsajzk=; b=brzTrqsA9PqRNmv2D92FqrKiwq1oLUa5jRN8bc2XFizoWzSe0RiRP62c3D/JSLq8ek 9B5wq2FT1iEBgAfTDma9MLh1x1kB5zHW/jZ4zfFlEHxjaRQQeJuL58235ILmZG6Op10h d2/CzFiPimU3BQUQBjWPqu8TjDxo9hatTj5RGN656N8/8mZM9v8N9djNqpKYP1r7kz3R SOOSocOakTKfmKk9Y4c6/Ixi1aYj/iziiqApHfs609Nw4VmjxgOHFGCPRvKaMqXRanyh fd4/DtTq9UoIuih/pprHsYQg0U82Km98ORY5uNeylZCfyaN5T7ZjhllPaK1/mgaHHLBk tBgA== X-Gm-Message-State: APjAAAXHty8sai8IpH5hNzKnz1RoMhaWDInYx0YFot7FGlzukydrNfB1 wvD2ThRA4fLIoVWTU0E6RMwzL0Quv/U= X-Google-Smtp-Source: APXvYqy8EA5lg8VpuHAUxPxOmt3seyCUUJQVkdRbM9iPfKboY8m6PrVVizqlBjw6fF/CveEaC71G+A== X-Received: by 2002:a17:902:8d98:: with SMTP id v24mr18471880plo.265.1569040380988; Fri, 20 Sep 2019 21:33:00 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/7] target/alpha: Use array for FPCR_DYN conversion Date: Fri, 20 Sep 2019 21:32:50 -0700 Message-Id: <20190921043256.4575-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190921043256.4575-1-richard.henderson@linaro.org> References: <20190921043256.4575-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::644 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: alex.bennee@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This is a bit more straight-forward than using a switch statement. No functional change. Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- 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 19cda0a2db..6c1703682e 100644 --- a/target/alpha/helper.c +++ b/target/alpha/helper.c @@ -36,6 +36,13 @@ uint64_t cpu_alpha_load_fpcr(CPUAlphaState *env) =20 void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t val) { + static const uint8_t rm_map[] =3D { + [FPCR_DYN_NORMAL >> FPCR_DYN_SHIFT] =3D float_round_nearest_even, + [FPCR_DYN_CHOPPED >> FPCR_DYN_SHIFT] =3D float_round_to_zero, + [FPCR_DYN_MINUS >> FPCR_DYN_SHIFT] =3D float_round_down, + [FPCR_DYN_PLUS >> FPCR_DYN_SHIFT] =3D float_round_up, + }; + uint32_t fpcr =3D val >> 32; uint32_t t =3D 0; =20 @@ -48,22 +55,7 @@ void cpu_alpha_store_fpcr(CPUAlphaState *env, uint64_t v= al) env->fpcr =3D fpcr; env->fpcr_exc_enable =3D ~t & FPCR_STATUS_MASK; =20 - switch (fpcr & FPCR_DYN_MASK) { - case FPCR_DYN_NORMAL: - default: - t =3D float_round_nearest_even; - break; - case FPCR_DYN_CHOPPED: - t =3D float_round_to_zero; - break; - case FPCR_DYN_MINUS: - t =3D float_round_down; - break; - case FPCR_DYN_PLUS: - t =3D float_round_up; - break; - } - env->fpcr_dyn_round =3D t; + env->fpcr_dyn_round =3D rm_map[(fpcr & FPCR_DYN_MASK) >> FPCR_DYN_SHIF= T]; =20 env->fpcr_flush_to_zero =3D (fpcr & FPCR_UNFD) && (fpcr & FPCR_UNDZ); env->fp_status.flush_inputs_to_zero =3D (fpcr & FPCR_DNZ) !=3D 0; --=20 2.17.1