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[98.155.27.246]) by smtp.gmail.com with ESMTPSA id j191sm52854419pgc.53.2017.06.04.10.36.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Jun 2017 10:36:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=5sd8A0euXtUtWDD6WLLdP8Wh3qWsFheBE38YwX6iaAo=; b=sNJZjB7uJqUB5ZQfwhCqeUscAaHv3xC+R+0sWBjgYwLs/2K6Mleh2vjlZozduKOuAI pNamendHje+Md+jBpNuZmb0voZE5veJTm+/oDR47wxW1hO0z+VCcPnEwwgjxw/Zlsguj TvWY5IAJqC0sIfsdbm+fhfsTvZaZdTEB759+TUoPDGzsYj6t8FCCMKO0QLMPFphSYkft +SJyN8xY9gE4CS91nisHcy0vCWcQPate1d6qoxxmR88mAqz+WHIxGOWRAlyw+JwK0D1r ziJZlvsoZK7AVWjDSiVwXZItSG4pL3pLdcMrwgblcSZ9U+bMSbRX8LXtXsWT4YTop6Ss U4PQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=5sd8A0euXtUtWDD6WLLdP8Wh3qWsFheBE38YwX6iaAo=; b=TNGwvenS4EK5RWCi8WOimlPTyG1SIKNJabz+laySonIlMkAMDy4PRaRBkMqejih9oO eTM44OHd8jSDANXqINTsjRej4y7sCcxtFJx10aoQppwLkm7Rihdvpu4nTBIGT42dg5hZ 8D5aM5oeAtwJ0f5eQSIQnkIWjSPZTY/PHW/3AKNzlqlf02lrzH9YvZeIIv8lBQ+/yZAN qzltkyvvRFbqHngYLmNeLi27lxklA2RrzsNxlzCiqKjTR58u2RHLobb3SlISgtUYh4Ii iohUoigh5vAqpvS+2+hPvZjHIvlrMUWpDZjS9ibLU7f04VjTRRzsCOmlKpqc3Gfz7ylO zAFA== X-Gm-Message-State: AODbwcARBEPa0zUPllFnAs8kWpP669Zkp2N9xKsFWqNHOAArR6LZ2Kfj lpc3xD+cI/gHsmcLdGQ= X-Received: by 10.84.208.102 with SMTP id f35mr7467311plh.92.1496597778490; Sun, 04 Jun 2017 10:36:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sun, 4 Jun 2017 10:34:48 -0700 Message-Id: <20170604173509.29684-49-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170604173509.29684-1-rth@twiddle.net> References: <20170604173509.29684-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::242 Subject: [Qemu-devel] [PULL 48/69] target/s390x: implement COMPARE AND SIGNAL 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, aurelien@aurel32.net 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" From: Aurelien Jarno These functions differ from COMPARE by generating an exception for a QNaN input. Use the non quiet version of floatXX_compare. Signed-off-by: Aurelien Jarno Message-Id: <20170531220129.27724-10-aurelien@aurel32.net> Signed-off-by: Richard Henderson --- target/s390x/fpu_helper.c | 27 +++++++++++++++++++++++++++ target/s390x/helper.h | 3 +++ target/s390x/insn-data.def | 6 ++++++ target/s390x/translate.c | 21 +++++++++++++++++++++ 4 files changed, 57 insertions(+) diff --git a/target/s390x/fpu_helper.c b/target/s390x/fpu_helper.c index e604e9f..26f124f 100644 --- a/target/s390x/fpu_helper.c +++ b/target/s390x/fpu_helper.c @@ -585,6 +585,33 @@ uint64_t HELPER(fixb)(CPUS390XState *env, uint64_t ah,= uint64_t al, uint32_t m3) return RET128(ret); } =20 +/* 32-bit FP compare and signal */ +uint32_t HELPER(keb)(CPUS390XState *env, uint64_t f1, uint64_t f2) +{ + int cmp =3D float32_compare(f1, f2, &env->fpu_status); + handle_exceptions(env, GETPC()); + return float_comp_to_cc(env, cmp); +} + +/* 64-bit FP compare and signal */ +uint32_t HELPER(kdb)(CPUS390XState *env, uint64_t f1, uint64_t f2) +{ + int cmp =3D float64_compare(f1, f2, &env->fpu_status); + handle_exceptions(env, GETPC()); + return float_comp_to_cc(env, cmp); +} + +/* 128-bit FP compare and signal */ +uint32_t HELPER(kxb)(CPUS390XState *env, uint64_t ah, uint64_t al, + uint64_t bh, uint64_t bl) +{ + int cmp =3D float128_compare(make_float128(ah, al), + make_float128(bh, bl), + &env->fpu_status); + handle_exceptions(env, GETPC()); + return float_comp_to_cc(env, cmp); +} + /* 32-bit FP multiply and add */ uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 596fec2..4ada894 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -89,6 +89,9 @@ DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env) DEF_HELPER_2(stfle, i32, env, i64) DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_4(stpq, TCG_CALL_NO_WG, void, env, i64, i64, i64) +DEF_HELPER_FLAGS_3(keb, TCG_CALL_NO_WG, i32, env, i64, i64) +DEF_HELPER_FLAGS_3(kdb, TCG_CALL_NO_WG, i32, env, i64, i64) +DEF_HELPER_FLAGS_5(kxb, TCG_CALL_NO_WG, i32, env, i64, i64, i64, i64) =20 #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 5314162..0127894 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -154,6 +154,12 @@ C(0xb349, CXBR, RRE, Z, x1_o, x2_o, 0, 0, cxb, 0) C(0xed09, CEB, RXE, Z, e1, m2_32u, 0, 0, ceb, 0) C(0xed19, CDB, RXE, Z, f1_o, m2_64, 0, 0, cdb, 0) +/* COMPARE AND SIGNAL */ + C(0xb308, KEBR, RRE, Z, e1, e2, 0, 0, keb, 0) + C(0xb318, KDBR, RRE, Z, f1_o, f2_o, 0, 0, kdb, 0) + C(0xb348, KXBR, RRE, Z, x1_o, x2_o, 0, 0, kxb, 0) + C(0xed08, KEB, RXE, Z, e1, m2_32u, 0, 0, keb, 0) + C(0xed18, KDB, RXE, Z, f1_o, m2_64, 0, 0, kdb, 0) /* COMPARE IMMEDIATE */ C(0xc20d, CFI, RIL_a, EI, r1, i2, 0, 0, 0, cmps32) C(0xc20c, CGFI, RIL_a, EI, r1, i2, 0, 0, 0, cmps64) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 6635877..30d0575 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2369,6 +2369,27 @@ static ExitStatus op_iske(DisasContext *s, DisasOps = *o) } #endif =20 +static ExitStatus op_keb(DisasContext *s, DisasOps *o) +{ + gen_helper_keb(cc_op, cpu_env, o->in1, o->in2); + set_cc_static(s); + return NO_EXIT; +} + +static ExitStatus op_kdb(DisasContext *s, DisasOps *o) +{ + gen_helper_kdb(cc_op, cpu_env, o->in1, o->in2); + set_cc_static(s); + return NO_EXIT; +} + +static ExitStatus op_kxb(DisasContext *s, DisasOps *o) +{ + gen_helper_kxb(cc_op, cpu_env, o->out, o->out2, o->in1, o->in2); + set_cc_static(s); + return NO_EXIT; +} + static ExitStatus op_laa(DisasContext *s, DisasOps *o) { /* The real output is indeed the original value in memory; --=20 2.9.4