From nobody Sat Jul 12 15:35:40 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1486016563634632.2683761800552; Wed, 1 Feb 2017 22:22:43 -0800 (PST) Received: from localhost ([::1]:54584 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZAn2-0006fv-3T for importer@patchew.org; Thu, 02 Feb 2017 01:22:40 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51956) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZ9k0-0007bU-B2 for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZ9ju-0003zD-U1 for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:28 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:36645) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZ9ju-0003tg-DP; Thu, 02 Feb 2017 00:15:22 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vDSqT1MTYz9s8V; Thu, 2 Feb 2017 16:15:00 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1486012501; bh=QN4zuB32+tDNirUQZ2kzGUMq+Sux2S02JFpYvSSgXME=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lFf95bIeeyioDurMmMdDXYF7pW1Bujs8O+IKyBJQBJx/iM7fovDgm6jP47NuSytda oD79bKUPrqKRqo3mEby5xfHXAzwyxX2UEbeUh6AmxQS/mVDkRT/MxlDeoZaCgHUs+F bqwps0nxanRe6Tglpt55xEdNpzyWs7kzcIDBAvt8= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 2 Feb 2017 16:14:01 +1100 Message-Id: <20170202051445.5735-64-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: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 Subject: [Qemu-devel] [PULL 063/107] target-ppc: Add xsaddqp instructions 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, Bharata B Rao , 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: Bharata B Rao xsaddqp: VSX Scalar Add Quad-Precision Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- target/ppc/fpu_helper.c | 36 +++++++++++++++++++++++++++++++++= +++ target/ppc/helper.h | 1 + target/ppc/internal.h | 2 ++ target/ppc/translate/vsx-impl.inc.c | 1 + target/ppc/translate/vsx-ops.inc.c | 1 + 5 files changed, 41 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 01b335f..6e7279c 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -111,6 +111,7 @@ void helper_compute_fprf_##tp(CPUPPCState *env, tp arg)= \ COMPUTE_FPRF(float16) COMPUTE_FPRF(float32) COMPUTE_FPRF(float64) +COMPUTE_FPRF(float128) =20 /* Floating-point invalid operations exception */ static inline __attribute__((__always_inline__)) @@ -1830,6 +1831,41 @@ VSX_ADD_SUB(xssubsp, sub, 1, float64, VsrD(0), 1, 1) VSX_ADD_SUB(xvsubdp, sub, 2, float64, VsrD(i), 0, 0) VSX_ADD_SUB(xvsubsp, sub, 4, float32, VsrW(i), 0, 0) =20 +void helper_xsaddqp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xa, xb; + float_status tstat; + + getVSR(rA(opcode) + 32, &xa, env); + getVSR(rB(opcode) + 32, &xb, env); + getVSR(rD(opcode) + 32, &xt, env); + helper_reset_fpstatus(env); + + if (unlikely(Rc(opcode) !=3D 0)) { + /* TODO: Support xsadddpo after round-to-odd is implemented */ + abort(); + } + + tstat =3D env->fp_status; + set_float_exception_flags(0, &tstat); + xt.f128 =3D float128_add(xa.f128, xb.f128, &tstat); + env->fp_status.float_exception_flags |=3D tstat.float_exception_flags; + + if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { + if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)= ) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); + } else if (float128_is_signaling_nan(xa.f128, &tstat) || + float128_is_signaling_nan(xb.f128, &tstat)) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); + } + } + + helper_compute_fprf_float128(env, xt.f128); + + putVSR(rD(opcode) + 32, &xt, env); + float_check_status(env); +} + /* VSX_MUL - VSX floating point multiply * op - instruction mnemonic * nels - number of elements (1, 2 or 4) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 29dce9d..3795975 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -395,6 +395,7 @@ DEF_HELPER_4(bcdcpsgn, i32, avr, avr, avr, i32) DEF_HELPER_3(bcdsetsgn, i32, avr, avr, i32) =20 DEF_HELPER_2(xsadddp, void, env, i32) +DEF_HELPER_2(xsaddqp, void, env, i32) DEF_HELPER_2(xssubdp, void, env, i32) DEF_HELPER_2(xsmuldp, void, env, i32) DEF_HELPER_2(xsdivdp, void, env, i32) diff --git a/target/ppc/internal.h b/target/ppc/internal.h index 187f024..c22d74e 100644 --- a/target/ppc/internal.h +++ b/target/ppc/internal.h @@ -206,6 +206,7 @@ typedef union _ppc_vsr_t { uint64_t u64[2]; float32 f32[4]; float64 f64[2]; + float128 f128; Int128 s128; } ppc_vsr_t; =20 @@ -245,4 +246,5 @@ static inline void putVSR(int n, ppc_vsr_t *vsr, CPUPPC= State *env) =20 void helper_compute_fprf_float16(CPUPPCState *env, float16 arg); void helper_compute_fprf_float32(CPUPPCState *env, float32 arg); +void helper_compute_fprf_float128(CPUPPCState *env, float128 arg); #endif /* PPC_INTERNAL_H */ diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx= -impl.inc.c index 33e934f..113ccf3 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -777,6 +777,7 @@ static void gen_##name(DisasContext * ctx) = \ } =20 GEN_VSX_HELPER_2(xsadddp, 0x00, 0x04, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xsaddqp, 0x04, 0x00, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xssubdp, 0x00, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmuldp, 0x00, 0x06, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsdivdp, 0x00, 0x07, 0, PPC2_VSX) diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-= ops.inc.c index bfcd09e..882e11b 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -130,6 +130,7 @@ GEN_XX2FORM(xvnegsp, 0x12, 0x1B, PPC2_VSX), GEN_XX3FORM(xvcpsgnsp, 0x00, 0x1A, PPC2_VSX), =20 GEN_XX3FORM(xsadddp, 0x00, 0x04, PPC2_VSX), +GEN_VSX_XFORM_300(xsaddqp, 0x04, 0x00, 0x0), GEN_XX3FORM(xssubdp, 0x00, 0x05, PPC2_VSX), GEN_XX3FORM(xsmuldp, 0x00, 0x06, PPC2_VSX), GEN_XX3FORM(xsdivdp, 0x00, 0x07, PPC2_VSX), --=20 2.9.3