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[76.173.164.138]) by smtp.gmail.com with ESMTPSA id z127sm27767966pfb.72.2018.04.24.18.23.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Apr 2018 18:23:13 -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=dL2miW0YX+WWgqckHfvEpiy8jFMD8QTEnJmbhMgwTfU=; b=jk4rr88hvWI6OjFTBppO4DiMDVN+t84qNyWOWJO1XTy6QFh4eiSxx/Jzjavm+jKQgQ B4ITygZ99Sg4CWZ/b7ZZGnq/QSuEUTm1+uJZtm/wvIps7Fh0psUrIpktGKcAx2NJWY5c a21S/4OqldeLI9w5xpJd5vkcr/MtP/bbi4jaA= 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=dL2miW0YX+WWgqckHfvEpiy8jFMD8QTEnJmbhMgwTfU=; b=HTeGF8EEnz2TipXcS+UalDr//DXkAwzrOrYozihzJbJcvd61oMkpbAgMSGrtjc5f51 ZKD0LeR5vg+B/Ymzu0aRqptRrGwYXcSnq6iRI9XzxWxUpXpVhmaRXYWeOR7k+QhG8HFr e29NAE9awJhTDROPJs8Zb4/qm774c/SGffffR/C+eySo52FDyq+fXvUOjmNTKCwRjiVz pkakRWJooijZV4GcsMS2AqXmpkNfV46PMlSKyhMr6bMuLpyzAu4dHhGH0sx/gPbaseLX cn6DOu/dxPeJzjn9wui07FATjr28gOcZkbDHP2P9Z4QF7GuBUbjJUKcQjglGHFf7n9eD PVgQ== X-Gm-Message-State: ALQs6tAmD1ZoUoa4wOvDN1adM+B/AkxSbU4gAMo+oEgz8GnMS6Ma/5BH 8wiSf3Og2LMiXvNxXMnAUIiZazljsHU= X-Google-Smtp-Source: AIpwx4/3pA61Af4VoeueFiwbdomSVfRm0PTxbgMJFUPh13ihknDhZ6vjTu1krIXWRUwA9B6OUlKKmA== X-Received: by 10.98.214.218 with SMTP id a87mr21648027pfl.200.1524619394076; Tue, 24 Apr 2018 18:23:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 24 Apr 2018 15:22:55 -1000 Message-Id: <20180425012300.14698-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180425012300.14698-1-richard.henderson@linaro.org> References: <20180425012300.14698-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::241 Subject: [Qemu-devel] [PATCH 4/9] 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, alex.bennee@linaro.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 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Use write_fp_dreg and clear_vec_high to zero the bits that need zeroing for these cases. Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- 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 b27892d971..f2241d8174 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5356,31 +5356,24 @@ 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