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Thu, 02 Feb 2017 00:15:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZ9k6-0004CP-18 for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:40 -0500 Received: from ozlabs.org ([103.22.144.67]:43197) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZ9k5-00049P-GC; Thu, 02 Feb 2017 00:15:33 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vDSqY3k33z9s7N; Thu, 2 Feb 2017 16:15:01 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1486012505; bh=IYE1FrXWwPLBUKBkVqmrwxhDeB4jt02WRdflbzYcCj0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hlmFPMc7i7NnnjOvzY2lb+narSvOSwZLqkUz7nXKkdxVeqoGlwz32ienKwBOkguYj EYE87qex0PMz3s/HnQw4w25ZoSlY/IZFTM5E5dJF9Hk4GrjUcQ/gfsXGlSpvyT8k6W tl89Qk5bjZVaWhqla6COhThLc7aLXzUI1sqN224I= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 2 Feb 2017 16:14:19 +1100 Message-Id: <20170202051445.5735-82-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170202051445.5735-1-david@gibson.dropbear.id.au> References: <20170202051445.5735-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 081/107] target-ppc: Add xvxsigsp instruction 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: lvivier@redhat.com, thuth@redhat.com, Nikunj A Dadhania , qemu-devel@nongnu.org, mdroth@linux.vnet.ibm.com, agraf@suse.de, aik@ozlabs.ru, qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Nikunj A Dadhania xvxsigsp: VSX Vector Extract Significand Single Precision Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- target/ppc/fpu_helper.c | 20 ++++++++++++++++++++ target/ppc/helper.h | 1 + target/ppc/translate/vsx-impl.inc.c | 2 ++ target/ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 24 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 77f68e9..4da83d9 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -3026,3 +3026,23 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) = \ =20 VSX_XXPERM(xxperm, 0) VSX_XXPERM(xxpermr, 1) + +void helper_xvxsigsp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xb; + uint32_t exp, i, fraction; + + getVSR(xB(opcode), &xb, env); + memset(&xt, 0, sizeof(xt)); + + for (i =3D 0; i < 4; i++) { + exp =3D (xb.VsrW(i) >> 23) & 0xFF; + fraction =3D xb.VsrW(i) & 0x7FFFFF; + if (exp !=3D 0 && exp !=3D 255) { + xt.VsrW(i) =3D fraction | 0x00800000; + } else { + xt.VsrW(i) =3D fraction; + } + } + putVSR(xT(opcode), &xt, env); +} diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 3cac050..ae14da4 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -545,6 +545,7 @@ DEF_HELPER_2(xxperm, void, env, i32) DEF_HELPER_2(xxpermr, void, env, i32) DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) DEF_HELPER_4(xxinsertw, void, env, tl, tl, i32) +DEF_HELPER_2(xvxsigsp, void, env, i32) =20 DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx= -impl.inc.c index 7b26f75..4e57af7 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1430,6 +1430,8 @@ static void gen_xvxexpdp(DisasContext *ctx) tcg_gen_andi_i64(xtl, xtl, 0x7FF); } =20 +GEN_VSX_HELPER_2(xvxsigsp, 0x00, 0x04, 0, PPC2_ISA300) + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-= ops.inc.c index a3061ce..2c4f641 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -128,6 +128,7 @@ GEN_XX3FORM(xviexpsp, 0x00, 0x1B, PPC2_ISA300), GEN_XX3FORM(xviexpdp, 0x00, 0x1F, PPC2_ISA300), GEN_XX2FORM_EO(xvxexpdp, 0x16, 0x1D, 0x00, PPC2_ISA300), GEN_XX2FORM_EO(xvxexpsp, 0x16, 0x1D, 0x08, PPC2_ISA300), +GEN_XX2FORM_EO(xvxsigsp, 0x16, 0x1D, 0x09, PPC2_ISA300), =20 GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX), --=20 2.9.3