From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44543) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cfl00-0002Uo-PI for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:15:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cfkzx-0003RE-LH for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:15:16 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:55660 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 1cfkzx-0003Qx-E9 for qemu-devel@nongnu.org; Mon, 20 Feb 2017 05:15:13 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v1KAAdZ4007947 for ; Mon, 20 Feb 2017 05:15:12 -0500 Received: from e23smtp06.au.ibm.com (e23smtp06.au.ibm.com [202.81.31.148]) by mx0b-001b2d01.pphosted.com with ESMTP id 28pgs4k4gp-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 20 Feb 2017 05:15:12 -0500 Received: from localhost by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 20 Feb 2017 20:15:09 +1000 From: Nikunj A Dadhania Date: Mon, 20 Feb 2017 15:41:56 +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: <1487585521-19445-6-git-send-email-nikunj@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH v1 05/10] target/ppc: update overflow flags for add/sub 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 * SO and OV reflects overflow of the 64-bit result in 64-bit mode and overflow of the low-order 32-bit result in 32-bit mode * OV32 reflects overflow of the low-order 32-bit independent of the mode Signed-off-by: Nikunj A Dadhania --- target/ppc/translate.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index dd413de..5d8d109 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -809,10 +809,11 @@ static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, tcg_gen_andc_tl(cpu_ov, cpu_ov, t0); } tcg_temp_free(t0); + tcg_gen_extract_tl(cpu_ov32, cpu_ov, 31, 1); + tcg_gen_extract_tl(cpu_ov, cpu_ov, 63, 1); if (NARROW_MODE(ctx)) { - tcg_gen_ext32s_tl(cpu_ov, cpu_ov); + tcg_gen_mov_tl(cpu_ov, cpu_ov32); } - tcg_gen_shri_tl(cpu_ov, cpu_ov, TARGET_LONG_BITS - 1); tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); } -- 2.7.4