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[97.113.2.170]) by smtp.gmail.com with ESMTPSA id 65sm26170145pft.74.2018.05.02.15.15.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 May 2018 15:15:59 -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=HhI4bpwSZ0GekzoXGS7KrVmo2AaxCWuHnRf4OdGfNGI=; b=aLbn7kyNaVYO6PcXgcDlLp/AMICfWsnLrkXRzWDxvJP94iSkylV2LbSZFyZbNpE4fW YjAxP/tb4gL2/pDTJbTX0dj8CgoL0goLcZiE4HE0r5w8qFCjrkMbQGk2axs8qR/+4Gxx burI5cI/MmqTzzBmyzQwiNge+q+HCShadKwHQ= 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=HhI4bpwSZ0GekzoXGS7KrVmo2AaxCWuHnRf4OdGfNGI=; b=cm+TUSWw+QOVWVkEWzQtsjmmjkiXxja0kXxnKE24IztvS6H5bnll13TOULt+KWOIlL kLBVqjJOzUXDy3PQnP84EIta80uxh8GMiouX00ASzCl7PmI99GsfzqP7H7ncS4xkYpsQ eQEq9CaXE6uyE/H4XdclGmXFSdahwVr3QXaeJN26tEbRDjeCin8cT9MV5j2Yp69VUN5o NNjq+utQcDz/LR/8Ttj1mSJjAvS8dFV0mxx2Eo7QULOxR95EPJPZcCYxF91ESvaRaa0b ULrT+3H5TyYL4WnSxfLeVxsYXNTrERoT5DvvTGa9mLPmn4BC0ACo2lMqWgozrCEIRv/a uMVA== X-Gm-Message-State: ALQs6tC2XgRReU3mY1iGx7blADzeWNMIQye8M8IjFlM6MJPJdeE14zuj ao6HCRdvmlLHBgWvEEo38KtHlXejg1M= X-Google-Smtp-Source: AB8JxZr5/iLMof1AmFsDWorMk0CjnZxCUUJr6HDxNRm4uEER+bdZkmY5CAAPXbdQrjEARUMVUaPSgA== X-Received: by 10.98.72.29 with SMTP id v29mr15252295pfa.57.1525299359937; Wed, 02 May 2018 15:15:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 2 May 2018 15:15:42 -0700 Message-Id: <20180502221552.3873-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180502221552.3873-1-richard.henderson@linaro.org> References: <20180502221552.3873-1-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:f8b0:400e:c00::244 Subject: [Qemu-devel] [PATCH v2 04/14] target/arm: Clear SVE high bits for FMOV X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Use write_fp_dreg and clear_vec_high to zero the bits that need zeroing for these cases. Cc: qemu-stable@nongnu.org Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 7021a31b89..c64c3ed99d 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5444,31 +5444,24 @@ static void handle_fmov(DisasContext *s, int rd, in= t rn, int type, bool itof) =20 if (itof) { TCGv_i64 tcg_rn =3D cpu_reg(s, rn); + TCGv_i64 tmp; =20 switch (type) { case 0: - { /* 32 bit */ - TCGv_i64 tmp =3D tcg_temp_new_i64(); + tmp =3D tcg_temp_new_i64(); tcg_gen_ext32u_i64(tmp, tcg_rn); - tcg_gen_st_i64(tmp, cpu_env, fp_reg_offset(s, rd, MO_64)); - tcg_gen_movi_i64(tmp, 0); - tcg_gen_st_i64(tmp, cpu_env, fp_reg_hi_offset(s, rd)); + write_fp_dreg(s, rd, tmp); tcg_temp_free_i64(tmp); break; - } case 1: - { /* 64 bit */ - TCGv_i64 tmp =3D tcg_const_i64(0); - tcg_gen_st_i64(tcg_rn, cpu_env, fp_reg_offset(s, rd, MO_64)); - tcg_gen_st_i64(tmp, cpu_env, fp_reg_hi_offset(s, rd)); - tcg_temp_free_i64(tmp); + write_fp_dreg(s, rd, tcg_rn); break; - } case 2: /* 64 bit to top half. */ tcg_gen_st_i64(tcg_rn, cpu_env, fp_reg_hi_offset(s, rd)); + clear_vec_high(s, true, rd); break; } } else { --=20 2.14.3