From patchwork Wed Jan 11 13:45:45 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 9510097 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 1918C601E7 for ; Wed, 11 Jan 2017 13:46:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 08797284AD for ; Wed, 11 Jan 2017 13:46:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F138E2860D; Wed, 11 Jan 2017 13:46:47 +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 9D1AD284D6 for ; Wed, 11 Jan 2017 13:46:44 +0000 (UTC) Received: from localhost ([::1]:54312 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRJEh-0008Nl-0y for patchwork-qemu-devel@patchwork.kernel.org; Wed, 11 Jan 2017 08:46:43 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56982) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRJEF-0008N3-5Y for qemu-devel@nongnu.org; Wed, 11 Jan 2017 08:46:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cRJEA-0005a6-P7 for qemu-devel@nongnu.org; Wed, 11 Jan 2017 08:46:15 -0500 Received: from mail.uni-paderborn.de ([131.234.142.9]:48231) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cRJEA-0005XS-Iz for qemu-devel@nongnu.org; Wed, 11 Jan 2017 08:46:10 -0500 From: Bastian Koppelmann To: qemu-devel@nongnu.org Date: Wed, 11 Jan 2017 14:45:45 +0100 Message-Id: <20170111134549.32669-2-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170111134549.32669-1-kbastian@mail.uni-paderborn.de> References: <20170111134549.32669-1-kbastian@mail.uni-paderborn.de> X-IMT-Spam-Score: 0.0 () X-PMX-Version: 6.3.2.2621239, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2017.1.11.133917, AntiVirus-Engine: 5.33.0, AntiVirus-Data: 2017.1.9.5330000 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] [PULL 1/5] target-tricore: Added FTOUZ 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: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Converts a 32-bit floating point number to an unsigned int. The result is rounded towards zero. Signed-off-by: Bastian Koppelmann Reviewed-by: Richard Henderson --- target/tricore/fpu_helper.c | 27 +++++++++++++++++++++++++++ target/tricore/helper.h | 1 + target/tricore/translate.c | 3 +++ 3 files changed, 31 insertions(+) diff --git a/target/tricore/fpu_helper.c b/target/tricore/fpu_helper.c index 98fe9472b1..215c3970b1 100644 --- a/target/tricore/fpu_helper.c +++ b/target/tricore/fpu_helper.c @@ -215,3 +215,30 @@ uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg) } return (uint32_t)f_result; } + +uint32_t helper_ftouz(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_arg = make_float32(arg); + uint32_t result; + int32_t flags; + + result = float32_to_uint32_round_to_zero(f_arg, &env->fp_status); + + flags = f_get_excp_flags(env); + if (flags & float_flag_invalid) { + flags &= ~float_flag_inexact; + if (float32_is_any_nan(f_arg)) { + result = 0; + } + } else if (float32_lt_quiet(f_arg, 0, &env->fp_status)) { + flags = float_flag_invalid; + result = 0; + } + + if (flags) { + f_update_psw_flags(env, flags); + } else { + env->FPU_FS = 0; + } + return result; +} diff --git a/target/tricore/helper.h b/target/tricore/helper.h index 9333e161ab..467c88013a 100644 --- a/target/tricore/helper.h +++ b/target/tricore/helper.h @@ -112,6 +112,7 @@ DEF_HELPER_3(fdiv, i32, env, i32, i32) 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) /* 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 36f734a662..eb6fdc3ca4 100644 --- a/target/tricore/translate.c +++ b/target/tricore/translate.c @@ -6698,6 +6698,9 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_ITOF: gen_helper_itof(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); break; + case OPC2_32_RR_FTOUZ: + gen_helper_ftouz(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); }