From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52589) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cPNpT-00083H-Ll for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cPNpQ-00037K-H5 for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:43 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:36837 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cPNpQ-00037G-BE for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:40 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v066DvbW016047 for ; Fri, 6 Jan 2017 01:16:40 -0500 Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) by mx0b-001b2d01.pphosted.com with ESMTP id 27skxwmdjf-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 06 Jan 2017 01:16:39 -0500 Received: from localhost by e23smtp03.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 6 Jan 2017 16:16:36 +1000 From: Nikunj A Dadhania Date: Fri, 6 Jan 2017 11:44:56 +0530 In-Reply-To: <1483683296-32568-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483683296-32568-1-git-send-email-nikunj@linux.vnet.ibm.com> Message-Id: <1483683296-32568-15-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v1 14/14] target-ppc: Add xsxsigqp instructions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Cc: qemu-devel@nongnu.org, bharata@linux.vnet.ibm.com, nikunj@linux.vnet.ibm.com xsxsigqp: VSX Scalar Extract Significand Quad Precision Signed-off-by: Nikunj A Dadhania --- target/ppc/translate/vsx-impl.inc.c | 29 +++++++++++++++++++++++++++++ target/ppc/translate/vsx-ops.inc.c | 1 + 2 files changed, 30 insertions(+) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 1fea8dc..2d9fe50 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1271,6 +1271,35 @@ static void gen_xsxsigdp(DisasContext *ctx) tcg_temp_free_i64(nan); } +static void gen_xsxsigqp(DisasContext *ctx) +{ + TCGv_i64 t0, zr, nan, exp; + TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32); + TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32); + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + exp = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + zr = tcg_const_i64(0); + nan = tcg_const_i64(32767); + + tcg_gen_shri_i64(exp, cpu_vsrh(rB(ctx->opcode) + 32), 48); + tcg_gen_andi_i64(exp, exp, 0x7FFF); + tcg_gen_movi_i64(t0, 0x0001000000000000); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0); + tcg_gen_andi_i64(xth, cpu_vsrh(rB(ctx->opcode) + 32), 0x0000FFFFFFFFFFFF); + tcg_gen_or_i64(xth, xth, t0); + tcg_gen_mov_i64(xtl, cpu_vsrl(rB(ctx->opcode) + 32)); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(exp); + tcg_temp_free_i64(zr); + tcg_temp_free_i64(nan); +} #endif #undef GEN_XX2FORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index c7791f8..aeeaff2 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -119,6 +119,7 @@ GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0), GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300), GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001), GEN_XX2FORM_EO(xsxsigdp, 0x16, 0x15, 0x01, PPC2_ISA300), +GEN_VSX_XFORM_300_EO(xsxsigqp, 0x04, 0x19, 0x12, 0x00000001), #endif GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), -- 2.7.4