From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44246) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cfkym-00014P-BE for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:14:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cfkyi-0002wn-MF for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:14:00 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:33411) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cfkyi-0002wJ-Cp for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:13:56 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v1KAA34R118112 for ; Mon, 20 Feb 2017 05:13:55 -0500 Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) by mx0a-001b2d01.pphosted.com with ESMTP id 28pnxq8s7d-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 20 Feb 2017 05:13:55 -0500 Received: from localhost by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 20 Feb 2017 20:13:52 +1000 From: Nikunj A Dadhania Date: Mon, 20 Feb 2017 15:41:59 +0530 In-Reply-To: <1487585521-19445-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1487585521-19445-1-git-send-email-nikunj@linux.vnet.ibm.com> Message-Id: <1487585521-19445-9-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v1 08/10] target/ppc: add ov32 flag for multiply low insns 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 For Multiply Word: SO, OV, and OV32 bits reflects overflow of the 32-bit result For Multiply DoubleWord: SO, OV, and OV32 bits reflects overflow of the 64-bit result Signed-off-by: Nikunj A Dadhania --- target/ppc/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 0168e1c..69ec0b2 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -1286,6 +1286,7 @@ static void gen_mullwo(DisasContext *ctx) tcg_gen_sari_i32(t0, t0, 31); tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); tcg_gen_extu_i32_tl(cpu_ov, t0); + tcg_gen_mov_tl(cpu_ov32, cpu_ov); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); tcg_temp_free_i32(t0); @@ -1347,6 +1348,7 @@ static void gen_mulldo(DisasContext *ctx) tcg_gen_sari_i64(t0, t0, 63); tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); + tcg_gen_mov_tl(cpu_ov32, cpu_ov); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); tcg_temp_free_i64(t0); -- 2.7.4