From patchwork Fri Nov 11 14:20:18 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 9423105 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C198860233 for ; Fri, 11 Nov 2016 14:30:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B3A9729B4B for ; Fri, 11 Nov 2016 14:30:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A825D29B64; Fri, 11 Nov 2016 14:30:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 35A8129B4B for ; Fri, 11 Nov 2016 14:30:52 +0000 (UTC) Received: from localhost ([::1]:53276 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c5Cqx-0000rq-5T for patchwork-qemu-devel@patchwork.kernel.org; Fri, 11 Nov 2016 09:30:51 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48908) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c5Cgv-0000VN-Bl for qemu-devel@nongnu.org; Fri, 11 Nov 2016 09:20:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c5Cgs-0007h3-4q for qemu-devel@nongnu.org; Fri, 11 Nov 2016 09:20:29 -0500 Received: from mail.uni-paderborn.de ([131.234.142.9]:36887) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1c5Cgr-0007gZ-Tx for qemu-devel@nongnu.org; Fri, 11 Nov 2016 09:20:26 -0500 From: Bastian Koppelmann To: qemu-devel@nongnu.org Date: Fri, 11 Nov 2016 15:20:18 +0100 Message-Id: <20161111142018.22567-6-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161111142018.22567-1-kbastian@mail.uni-paderborn.de> References: <20161111142018.22567-1-kbastian@mail.uni-paderborn.de> X-IMT-Spam-Score: 0.0 () X-PMX-Version: 6.3.1.2588712, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2016.11.11.141216 X-IMT-Authenticated-Sender: uid=kbastian,ou=People,o=upb,c=de X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 131.234.142.9 Subject: [Qemu-devel] [PATCH v3 5/5] target-tricore: Add updfl instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Bastian Koppelmann Reviewed-by: Richard Henderson --- v2 -> v3: - Add fpu_set_state() to update softfloats rounding mode - Move generation of the updfl helper to decode_rr_divide() target-tricore/fpu_helper.c | 14 ++++++++++++++ target-tricore/helper.h | 1 + target-tricore/translate.c | 3 +++ 3 files changed, 18 insertions(+) diff --git a/target-tricore/fpu_helper.c b/target-tricore/fpu_helper.c index 9bfed28..7979bb6 100644 --- a/target-tricore/fpu_helper.c +++ b/target-tricore/fpu_helper.c @@ -333,3 +333,17 @@ uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) } return result; } + +void helper_updfl(CPUTriCoreState *env, uint32_t arg) +{ + env->FPU_FS = extract32(arg, 7, 1) & extract32(arg, 15, 1); + env->FPU_FI = (extract32(arg, 6, 1) & extract32(arg, 14, 1)) << 31; + env->FPU_FV = (extract32(arg, 5, 1) & extract32(arg, 13, 1)) << 31; + env->FPU_FZ = (extract32(arg, 4, 1) & extract32(arg, 12, 1)) << 31; + env->FPU_FU = (extract32(arg, 3, 1) & extract32(arg, 11, 1)) << 31; + /* clear FX and RM */ + env->PSW &= ~(extract32(arg, 10, 1) << 26); + env->PSW |= (extract32(arg, 2, 1) & extract32(arg, 10, 1)) << 26; + + fpu_set_state(env); +} diff --git a/target-tricore/helper.h b/target-tricore/helper.h index c897a44..012ac96 100644 --- a/target-tricore/helper.h +++ b/target-tricore/helper.h @@ -115,6 +115,7 @@ DEF_HELPER_3(fcmp, i32, env, i32, i32) DEF_HELPER_2(ftoi, i32, env, i32) DEF_HELPER_2(itof, i32, env, i32) DEF_HELPER_2(ftouz, i32, env, i32) +DEF_HELPER_2(updfl, void, env, i32) /* dvinit */ DEF_HELPER_3(dvinit_b_13, i64, env, i32, i32) DEF_HELPER_3(dvinit_b_131, i64, env, i32, i32) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 9d1ee66..54249c1 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -6735,6 +6735,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_FTOUZ: gen_helper_ftouz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); break; + case OPC2_32_RR_UPDFL: + gen_helper_updfl(cpu_env, cpu_gpr_d[r1]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); }