From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52567) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cPNpO-0007vh-DB for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cPNpL-00036q-7A for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:38 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49497) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cPNpK-00036j-TA for qemu-devel@nongnu.org; Fri, 06 Jan 2017 01:16:35 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v066DuAH066813 for ; Fri, 6 Jan 2017 01:16:34 -0500 Received: from e23smtp03.au.ibm.com (e23smtp03.au.ibm.com [202.81.31.145]) by mx0a-001b2d01.pphosted.com with ESMTP id 27sxas7rx8-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 06 Jan 2017 01:16:33 -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 16:16:31 +1000 From: Nikunj A Dadhania Date: Fri, 6 Jan 2017 11:44:55 +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: <1483683296-32568-14-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v1 13/14] target-ppc: Add xsxsigdp instruction 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 xsxsigdp: VSX Scalar Extract Significand Dual 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 514a273..1fea8dc 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1242,6 +1242,35 @@ static void gen_xsxexpqp(DisasContext *ctx) tcg_gen_andi_i64(xth, xth, 0x7FFF); tcg_gen_movi_i64(xtl, 0); } + +static void gen_xsxsigdp(DisasContext *ctx) +{ + TCGv rt = cpu_gpr[rD(ctx->opcode)]; + TCGv_i64 t0, zr, nan, exp; + + 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(2047); + + tcg_gen_shri_i64(exp, cpu_vsrh(xB(ctx->opcode)), 52); + tcg_gen_andi_i64(exp, exp, 0x7FF); + tcg_gen_movi_i64(t0, 0x0010000000000000); + 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(rt, cpu_vsrh(xB(ctx->opcode)), 0x000FFFFFFFFFFFFF); + tcg_gen_or_i64(rt, rt, t0); + + 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 2ea8ce4..c7791f8 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -118,6 +118,7 @@ GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0), #ifdef TARGET_PPC64 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), #endif GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), -- 2.7.4