From patchwork Sun Mar 9 15:11:06 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 328355 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id C90242C0098 for ; Mon, 10 Mar 2014 02:19:11 +1100 (EST) Received: from localhost ([::1]:44399 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMfVM-0000Oo-Cf for incoming@patchwork.ozlabs.org; Sun, 09 Mar 2014 11:19:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39018) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMfO0-0004NL-7m for qemu-devel@nongnu.org; Sun, 09 Mar 2014 11:11:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WMfNz-00051g-F4 for qemu-devel@nongnu.org; Sun, 09 Mar 2014 11:11:32 -0400 Received: from mnementh.archaic.org.uk ([2001:8b0:1d0::1]:46487) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WMfNz-0004x2-6H for qemu-devel@nongnu.org; Sun, 09 Mar 2014 11:11:31 -0400 Received: from pm215 by mnementh.archaic.org.uk with local (Exim 4.80) (envelope-from ) id 1WMfNc-0001sC-I4; Sun, 09 Mar 2014 15:11:08 +0000 From: Peter Maydell To: qemu-devel@nongnu.org Date: Sun, 9 Mar 2014 15:11:06 +0000 Message-Id: <1394377867-7115-16-git-send-email-peter.maydell@linaro.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1394377867-7115-1-git-send-email-peter.maydell@linaro.org> References: <1394377867-7115-1-git-send-email-peter.maydell@linaro.org> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:8b0:1d0::1 Cc: Peter Crosthwaite , patches@linaro.org, Michael Matz , Alexander Graf , Will Newton , Dirk Mueller , Laurent Desnogues , =?UTF-8?q?Alex=20Benn=C3=A9e?= , kvmarm@lists.cs.columbia.edu, Christoffer Dall , Richard Henderson Subject: [Qemu-devel] [PATCH 15/16] target-arm: A64: Implement FRINT* X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Implement the FRINT* round-to-integral operations from the 2-reg-misc category. Signed-off-by: Peter Maydell --- target-arm/translate-a64.c | 37 ++++++++++++++++++++++++++++++++++--- 1 file changed, 34 insertions(+), 3 deletions(-) diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index 6337d6f..6a3597d 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -6800,6 +6800,17 @@ static void handle_2misc_64(DisasContext *s, int opcode, bool u, tcg_temp_free_i32(tcg_shift); break; } + case 0x18: /* FRINTN */ + case 0x19: /* FRINTM */ + case 0x38: /* FRINTP */ + case 0x39: /* FRINTZ */ + case 0x58: /* FRINTA */ + case 0x79: /* FRINTI */ + gen_helper_rintd(tcg_rd, tcg_rn, tcg_fpstatus); + break; + case 0x59: /* FRINTX */ + gen_helper_rintd_exact(tcg_rd, tcg_rn, tcg_fpstatus); + break; default: g_assert_not_reached(); } @@ -8996,12 +9007,21 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) case 0x19: /* FRINTM */ case 0x38: /* FRINTP */ case 0x39: /* FRINTZ */ - case 0x3c: /* URECPE */ - case 0x3d: /* FRECPE */ - case 0x56: /* FCVTXN, FCVTXN2 */ case 0x58: /* FRINTA */ + need_rmode = true; + rmode = extract32(opcode, 5, 2) | (extract32(opcode, 0, 1) << 1); + /* fall through */ case 0x59: /* FRINTX */ case 0x79: /* FRINTI */ + need_fpstatus = true; + if (size == 3 && !is_q) { + unallocated_encoding(s); + return; + } + break; + case 0x3c: /* URECPE */ + case 0x3d: /* FRECPE */ + case 0x56: /* FCVTXN, FCVTXN2 */ case 0x7c: /* URSQRTE */ case 0x7d: /* FRSQRTE */ unsupported_encoding(s, insn); @@ -9127,6 +9147,17 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tcg_shift); break; } + case 0x18: /* FRINTN */ + case 0x19: /* FRINTM */ + case 0x38: /* FRINTP */ + case 0x39: /* FRINTZ */ + case 0x58: /* FRINTA */ + case 0x79: /* FRINTI */ + gen_helper_rints(tcg_res, tcg_op, tcg_fpstatus); + break; + case 0x59: /* FRINTX */ + gen_helper_rints_exact(tcg_res, tcg_op, tcg_fpstatus); + break; default: g_assert_not_reached(); }