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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id z135sm2596784wmc.45.2019.06.06.10.46.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Jun 2019 10:46:53 -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=wS5685L1Ipovmuag8NGIyla+uLm909fdDbELT7NCVTo=; b=kO6gxBgDunxYaZYyfKx8QunKxrUrtFymb5DZKMA+mF68gHnV4hwKkXnfMBI59daABS TZBOaekNzRVCX0ycFJJDphkMuE97oQmykGnSOaK/GnTc3OrRfS9j5Nt+yXjYWmDQu3TS l/76AYhz8P6dSaX6x+7UMGvWRVnTRtQxn7Z9XYt/Zxg6vhKARprQ31CK0oJ2amhX6gxm +v+29d7HIOeoJdLtHR94VfqqhrlKWVFgAn3I/PULwq6CIRFNFjHIcvTehds++sNyYF2A vz0By02ix9QAfEru/QnA/fXf7juJheAcpK6knH7VaMc2QkCDLeGBzK5l4SMB6lYKbv+c RqRQ== 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=wS5685L1Ipovmuag8NGIyla+uLm909fdDbELT7NCVTo=; b=Z4U0wC+avdIjgplEq+AogN1LDCF2lDdi4PkErekV7n2kU1AnDS4j4g1V7bwmihIUxQ ZHQCmSn5oGYgeEq4TMotdHhrOTP3a5Gk2AUb4qGh+CbN94JwajVXnbtmOJt+N/MauTR3 HlegVPC+K8SUrUlrhHLmWkSVbLxinkvNkUDSPs4g06K6BTtAOF5qCa3tD0D2ju5QPTlC 9lHXIgb/lZrAdXF0LI6/IPznwkVPZKrDdpp+Gq+GzJEeeSzbXOad1Ydre6Rp+vqKmQvI zs+LZ9M7szKITlXBjPZBWgzlEWHU0gele0GNLiU1IaxTti3UBQHdo8AkHfbt5fwNjLRL ye7g== X-Gm-Message-State: APjAAAW96NWYGW7lWxeXctA1FgAbwqbyXzLyCCbO/4L/ByX7S9U/0xYF hCH+Gmih9YY60JZbKD+yt5sNOg== X-Google-Smtp-Source: APXvYqxbfAWoYXCI3CL0fLime6srXUnBOiQ36w4KNtyJYj3arxTKIHbhw+VF5yAxsnPKGdtJ6OG7Mg== X-Received: by 2002:adf:dd82:: with SMTP id x2mr6457485wrl.27.1559843214449; Thu, 06 Jun 2019 10:46:54 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Thu, 6 Jun 2019 18:46:06 +0100 Message-Id: <20190606174609.20487-40-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190606174609.20487-1-peter.maydell@linaro.org> References: <20190606174609.20487-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::441 Subject: [Qemu-devel] [PATCH 39/42] target/arm: Convert VJCVT to decodetree 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: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Convert the VJCVT instruction to decodetree. Signed-off-by: Peter Maydell --- target/arm/translate-vfp.inc.c | 24 ++++++++++++++++++++++++ target/arm/translate.c | 12 +----------- target/arm/vfp.decode | 4 ++++ 3 files changed, 29 insertions(+), 11 deletions(-) diff --git a/target/arm/translate-vfp.inc.c b/target/arm/translate-vfp.inc.c index e5b5c3cd6a5..9bc852076a0 100644 --- a/target/arm/translate-vfp.inc.c +++ b/target/arm/translate-vfp.inc.c @@ -2418,3 +2418,27 @@ static bool trans_VCVT_int_dp(DisasContext *s, arg_V= CVT_int_dp *a) tcg_temp_free_ptr(fpst); return true; } + +static bool trans_VJCVT(DisasContext *s, arg_VJCVT *a) +{ + TCGv_i32 vd; + TCGv_i64 vm; + + /* UNDEF accesses to D16-D31 if they don't exist. */ + if (!dc_isar_feature(aa32_fp_d32, s) && (a->vm & 0x10)) { + return false; + } + + if (!vfp_access_check(s)) { + return true; + } + + vm =3D tcg_temp_new_i64(); + vd =3D tcg_temp_new_i32(); + neon_load_reg64(vm, a->vm); + gen_helper_vjcvt(vd, vm, cpu_env); + neon_store_reg32(vd, a->vd); + tcg_temp_free_i64(vm); + tcg_temp_free_i32(vd); + return true; +} diff --git a/target/arm/translate.c b/target/arm/translate.c index b98f8f103ae..687ef093f97 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -3050,7 +3050,7 @@ static int disas_vfp_insn(DisasContext *s, uint32_t i= nsn) return 1; case 15: switch (rn) { - case 0 ... 17: + case 0 ... 19: /* Already handled by decodetree */ return 1; default: @@ -3085,13 +3085,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t = insn) rm_is_dp =3D false; break; =20 - case 0x13: /* vjcvt */ - if (!dp || !dc_isar_feature(aa32_jscvt, s)) { - return 1; - } - rd_is_dp =3D false; - break; - default: return 1; } @@ -3177,9 +3170,6 @@ static int disas_vfp_insn(DisasContext *s, uint32_t i= nsn) switch (op) { case 15: /* extension space */ switch (rn) { - case 19: /* vjcvt */ - gen_helper_vjcvt(cpu_F0s, cpu_F0d, cpu_env); - break; case 20: /* fshto */ gen_vfp_shto(dp, 16 - rm, 0); break; diff --git a/target/arm/vfp.decode b/target/arm/vfp.decode index 6da9a7913da..1a7c9b533de 100644 --- a/target/arm/vfp.decode +++ b/target/arm/vfp.decode @@ -220,3 +220,7 @@ VCVT_int_sp ---- 1110 1.11 1000 .... 1010 s:1 1.0 ....= \ vd=3D%vd_sp vm=3D%vm_sp VCVT_int_dp ---- 1110 1.11 1000 .... 1011 s:1 1.0 .... \ vd=3D%vd_dp vm=3D%vm_sp + +# VJCVT is always dp to sp +VJCVT ---- 1110 1.11 1001 .... 1011 11.0 .... \ + vd=3D%vd_sp vm=3D%vm_dp --=20 2.20.1