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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id d20sm7857534pfq.88.2019.10.18.10.44.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Oct 2019 10:44:42 -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=+w+DpqTaqyThsFD3h0g6qTaqlae+kRMVgywC4mwAkDA=; b=XRL03tO8pYpwmYBVCiyu9Lv8vVDOHUC7ETMWAW7W1kc8cD43sIBCE0sWA3+7pu2dB7 o0hkTWRIMmT/oMAPLYyHMBhvV66LFxSnNM0JYwwXGSQC4mOb2cH7Piku0f/HWqAzoz0j c8ViFL4Q+ohaJW9+58VcFaGAc1IJl9NEeddcAEZbpTujNH8WHR3HUc6k7Z0C8wdf5s5N MpgJM8k5CvUqak5s9CyqlLbClfN4BtqoUT8Y6nrPIgxR1vdImJUkBqQCLLZo9RLD7WXC /7UfyEoLA9MePfONCv1BsJ8FRSzf6v9WPYXSj4rSzE2Cc0KP05VNs2SCiXcs5CYZ1ov5 xKgA== 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=+w+DpqTaqyThsFD3h0g6qTaqlae+kRMVgywC4mwAkDA=; b=aosH+gi21GO2qpAUtAUZD2SNezPjJu9XClpkr9MEAdJd2lmRJv6X6WWP4V0CgBdPWw XbcEWlVCTA8Jvum/sjBS74/s6NxovkAtPkKIZsOQ0aukqfH72Odo6cZnf3fIxoMLpMOm Rc/4RTAYOmCynxqCMiNRULeD9/1BlY9RkJOFit0kzGMHv3fJXoZkyHHDb0mHcEmPLHuG vxchvWcTEsfT52lTXi7wNlMrNMLcS10ZWXIggX9/HO0fixX+L/E8nPNu6Tw+uKfuzf+r ykGaadVsjEN1TnejcdgXbDhmJgsPj8kTITx7BxjQVW/TF7HsGohUik6AP1RM21tY2Ugp KhnA== X-Gm-Message-State: APjAAAVKwaoOzqdBusujYVuxZB8hpvQIM7qQutrw9bRSq7OThQsQhtc5 CNhbK7XPw1WadmIAfQGrlV5EFhrZSmk= X-Google-Smtp-Source: APXvYqytVUYW2cMjAgUhtXmNs96M/WjGkTPmKysgz8cOAx+n+I4gJA9n9Woztx7W2tyHhTIEfPZzvw== X-Received: by 2002:a62:b504:: with SMTP id y4mr7982540pfe.124.1571420683357; Fri, 18 Oct 2019 10:44:43 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v8 09/22] target/arm: Hoist XSCALE_CPAR, VECLEN, VECSTRIDE in cpu_get_tb_cpu_state Date: Fri, 18 Oct 2019 10:44:18 -0700 Message-Id: <20191018174431.1784-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191018174431.1784-1-richard.henderson@linaro.org> References: <20191018174431.1784-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) We do not need to compute any of these values for M-profile. Further, XSCALE_CPAR overlaps VECSTRIDE so obviously the two sets must be mutually exclusive. Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- target/arm/helper.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index ddd21edfcf..e2a62cf19a 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -11235,21 +11235,28 @@ void cpu_get_tb_cpu_state(CPUARMState *env, targe= t_ulong *pc, } } else { flags =3D rebuild_hflags_a32(env, fp_el, mmu_idx); + + /* + * Note that XSCALE_CPAR shares bits with VECSTRIDE. + * Note that VECLEN+VECSTRIDE are RES0 for M-profile. + */ + if (arm_feature(env, ARM_FEATURE_XSCALE)) { + flags =3D FIELD_DP32(flags, TBFLAG_A32, + XSCALE_CPAR, env->cp15.c15_cpar); + } else { + flags =3D FIELD_DP32(flags, TBFLAG_A32, VECLEN, + env->vfp.vec_len); + flags =3D FIELD_DP32(flags, TBFLAG_A32, VECSTRIDE, + env->vfp.vec_stride); + } } =20 flags =3D FIELD_DP32(flags, TBFLAG_A32, THUMB, env->thumb); - flags =3D FIELD_DP32(flags, TBFLAG_A32, VECLEN, env->vfp.vec_len); - flags =3D FIELD_DP32(flags, TBFLAG_A32, VECSTRIDE, env->vfp.vec_st= ride); flags =3D FIELD_DP32(flags, TBFLAG_A32, CONDEXEC, env->condexec_bi= ts); if (env->vfp.xregs[ARM_VFP_FPEXC] & (1 << 30) || arm_el_is_aa64(env, 1) || arm_feature(env, ARM_FEATURE_M)) { flags =3D FIELD_DP32(flags, TBFLAG_A32, VFPEN, 1); } - /* Note that XSCALE_CPAR shares bits with VECSTRIDE */ - if (arm_feature(env, ARM_FEATURE_XSCALE)) { - flags =3D FIELD_DP32(flags, TBFLAG_A32, - XSCALE_CPAR, env->cp15.c15_cpar); - } } =20 /* The SS_ACTIVE and PSTATE_SS bits correspond to the state machine --=20 2.17.1