From patchwork Tue Mar 1 16:24:28 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 590630 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 F2536140C2C for ; Wed, 2 Mar 2016 03:27:35 +1100 (AEDT) Received: from localhost ([::1]:50777 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aan93-0001E0-LV for incoming@patchwork.ozlabs.org; Tue, 01 Mar 2016 11:27:33 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50626) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aan6K-0004wh-Im for qemu-devel@nongnu.org; Tue, 01 Mar 2016 11:24:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aan6F-0005NY-K5 for qemu-devel@nongnu.org; Tue, 01 Mar 2016 11:24:44 -0500 Received: from mail.uni-paderborn.de ([131.234.142.9]:34287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aan6F-0005NO-Dd for qemu-devel@nongnu.org; Tue, 01 Mar 2016 11:24:39 -0500 From: Bastian Koppelmann To: qemu-devel@nongnu.org Date: Tue, 1 Mar 2016 17:24:28 +0100 Message-Id: <1456849468-30217-8-git-send-email-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.7.2 In-Reply-To: <1456849468-30217-1-git-send-email-kbastian@mail.uni-paderborn.de> References: <1456849468-30217-1-git-send-email-kbastian@mail.uni-paderborn.de> X-IMT-Spam-Score: 0.0 () X-PMX-Version: 6.2.1.2493963, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2016.3.1.161516 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 Cc: rth@twiddle.net Subject: [Qemu-devel] [PATCH 7/7] target-tricore: Add ftoi and itof instructions 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 Signed-off-by: Bastian Koppelmann --- target-tricore/fpu_helper.c | 46 +++++++++++++++++++++++++++++++++++++++++++++ target-tricore/helper.h | 2 ++ target-tricore/translate.c | 6 ++++++ 3 files changed, 54 insertions(+) diff --git a/target-tricore/fpu_helper.c b/target-tricore/fpu_helper.c index ceda415..3c09300 100644 --- a/target-tricore/fpu_helper.c +++ b/target-tricore/fpu_helper.c @@ -200,3 +200,49 @@ uint32_t helper_fcmp(CPUTriCoreState *env, uint32_t r1, uint32_t r2) return result; } + +uint32_t helper_ftoi(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_arg = make_float32(arg); + int32_t result; + + f_set_flags(env); + + result = float32_to_int32(f_arg, &env->fp_status); + + if (float32_is_any_nan(f_arg)) { + env->FPU_FI = (1 << 31); + result = 0; + } + + env->FPU_FS = 0; + if (get_float_exception_flags(&env->fp_status) & float_flag_invalid) { + env->FPU_FI = (1 << 31); + env->FPU_FS = 1; + } + + if (get_float_exception_flags(&env->fp_status) & float_flag_inexact) { + env->PSW |= 1 << 26; + env->FPU_FS = 1; + } + + return (uint32_t)result; +} + +uint32_t helper_itof(CPUTriCoreState *env, uint32_t arg) +{ + float32 f_result; + + f_set_flags(env); + + f_result = int32_to_float32(arg, &env->fp_status); + + env->FPU_FS = 0; + + if (get_float_exception_flags(&env->fp_status) & float_flag_inexact) { + env->PSW |= 1 << 26; + env->FPU_FS = 1; + } + + return (uint32_t)f_result; +} diff --git a/target-tricore/helper.h b/target-tricore/helper.h index 489530f..9333e16 100644 --- a/target-tricore/helper.h +++ b/target-tricore/helper.h @@ -110,6 +110,8 @@ DEF_HELPER_3(fsub, i32, env, i32, i32) DEF_HELPER_3(fmul, i32, env, i32, i32) 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) /* 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 a6e5c64..30ff016 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -6681,6 +6681,12 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_RR_CMP_F: gen_helper_fcmp(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1], cpu_gpr_d[r2]); break; + case OPC2_32_RR_FTOI: + gen_helper_ftoi(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; + case OPC2_32_RR_ITOF: + gen_helper_itof(cpu_gpr_d[r3], cpu_env, cpu_gpr_d[r1]); + break; default: generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC); }