From patchwork Fri Jun 30 12:30:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 9819503 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 35678603F3 for ; Fri, 30 Jun 2017 12:36:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 280BF27CF9 for ; Fri, 30 Jun 2017 12:36:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1CD0827F91; Fri, 30 Jun 2017 12:36:36 +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=-6.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM 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 355CA27CF9 for ; Fri, 30 Jun 2017 12:36:34 +0000 (UTC) Received: from localhost ([::1]:44356 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQvA1-0003gN-Dq for patchwork-qemu-devel@patchwork.kernel.org; Fri, 30 Jun 2017 08:36:33 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33300) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQv4h-0008C6-GC for qemu-devel@nongnu.org; Fri, 30 Jun 2017 08:31:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQv4a-0005th-Fz for qemu-devel@nongnu.org; Fri, 30 Jun 2017 08:31:03 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:51937) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dQv4a-0005sN-3G for qemu-devel@nongnu.org; Fri, 30 Jun 2017 08:30:56 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue001 [212.227.15.167]) with ESMTPSA (Nemesis) id 0MeXgF-1d5hYH1mhz-00Q8LW; Fri, 30 Jun 2017 14:30:54 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Fri, 30 Jun 2017 14:30:48 +0200 Message-Id: <20170630123050.19834-6-laurent@vivier.eu> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170630123050.19834-1-laurent@vivier.eu> References: <20170630123050.19834-1-laurent@vivier.eu> X-Provags-ID: V03:K0:xURLmGrnh+zq/vlAl79ki7MZj8xdv3IqqdMGYDgM8Y7uiYhpAqK SurpM3hLh5qRdc2hC7/kD+0QRD2Nj9x/1DLMlfBWfq2lE4+5oz1d4uLm6fnRQu7F687lRTL HU97E9CPxrUYgxtApAhv5h635CBTq/MhtP3owddkOiPSarVZ27Lh1XNBM+UWab3180od9ma G8a9k2hVFOfc5E/yE4Vjw== X-UI-Out-Filterresults: notjunk:1; V01:K0:/Ke0hPiT8pM=:6U84ORZOjwIYzWD8E8m5yX 5MUyrz7O+L5OB0qPja0yeIkHP/N56VATHWAADmuyZ2mp16PUiUib702TPE/LjzQh+VmE/agaB ku9SoUOTLE2/rkbPrO/1MXmVw/KgpVuuVRijg+cLzL6zCQgDJb9jE6zumz2E2orMFIP/Y/3ya fBKqsCTnEK4JSqBYAQhaPe0cmeinOuXgFYImJFOcbF7q39PX5UraWjiYRg1y/Dr1Vu0Gw7zMS 8utyoTKFhMbfmSzdRTCMj/3rP3V2a19XfmKcGPLMOegi1AizhNubrYx0Wy11yHwq3ZxzYdMWS 9+7cyCWHME/nf0oPo4JNm8e7nyL/xoV3mFFkr+LxIqzW9Spa9QyzwuJcAmHZy7rBtdt4HWcox U3G8dLa+Sx82MDYX0VabIzs0nMZihgtmP2wB4JfDmBl4mu3BTczG89+1r92VgcIvv9YNRKf5t /+nCrGpg79h6pYtaybXDFNuHQgVe8mef6eFhMAIzJFggyZfiTeG6M9EEebpz99X+hnMNj2zeh TrBB5iOSHyB4ln4kMudU6Y48xKj3F+G/dGw9KvnuG6hLFSeZcCAOSrqHCEd3Ej3beR0Qhjsfl IQdmPk71zrjHLxt9eqHPEoANzwmDj/D9MPgmZDH1HVtL1iSgn+8XKHVDk5jwJhSENedbNVzu2 s0WGLlasIxk84gdlsGifmJNCv4gzHtWE5i7UxfUC65Nsgp7YdOdyV+IVtiOZGv2r/o58= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.134 Subject: [Qemu-devel] [PULL 5/7] target/m68k: add fsglmul and fsgldiv 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: Laurent Vivier Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP fsglmul and fsgldiv truncate data to single precision before computing results. Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20170628204241.32106-6-laurent@vivier.eu> --- target/m68k/fpu_helper.c | 28 ++++++++++++++++++++++++++++ target/m68k/helper.h | 2 ++ target/m68k/translate.c | 6 ++++++ 3 files changed, 36 insertions(+) diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 3b53554..600ae8a 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -253,6 +253,20 @@ void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) PREC_END(); } +void HELPER(fsglmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + int rounding_mode = get_float_rounding_mode(&env->fp_status); + floatx80 a, b; + + PREC_BEGIN(32); + set_float_rounding_mode(float_round_to_zero, &env->fp_status); + a = floatx80_round(val0->d, &env->fp_status); + b = floatx80_round(val1->d, &env->fp_status); + set_float_rounding_mode(rounding_mode, &env->fp_status); + res->d = floatx80_mul(a, b, &env->fp_status); + PREC_END(); +} + void HELPER(fdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_div(val1->d, val0->d, &env->fp_status); @@ -272,6 +286,20 @@ void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) PREC_END(); } +void HELPER(fsgldiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + int rounding_mode = get_float_rounding_mode(&env->fp_status); + floatx80 a, b; + + PREC_BEGIN(32); + set_float_rounding_mode(float_round_to_zero, &env->fp_status); + a = floatx80_round(val1->d, &env->fp_status); + b = floatx80_round(val0->d, &env->fp_status); + set_float_rounding_mode(rounding_mode, &env->fp_status); + res->d = floatx80_div(a, b, &env->fp_status); + PREC_END(); +} + static int float_comp_to_cc(int float_compare) { switch (float_compare) { diff --git a/target/m68k/helper.h b/target/m68k/helper.h index 0c7f06f..f05191b 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -39,9 +39,11 @@ DEF_HELPER_4(fdsub, void, env, fp, fp, fp) DEF_HELPER_4(fmul, void, env, fp, fp, fp) DEF_HELPER_4(fsmul, void, env, fp, fp, fp) DEF_HELPER_4(fdmul, void, env, fp, fp, fp) +DEF_HELPER_4(fsglmul, void, env, fp, fp, fp) DEF_HELPER_4(fdiv, void, env, fp, fp, fp) DEF_HELPER_4(fsdiv, void, env, fp, fp, fp) DEF_HELPER_4(fddiv, void, env, fp, fp, fp) +DEF_HELPER_4(fsgldiv, void, env, fp, fp, fp) DEF_HELPER_FLAGS_3(fcmp, TCG_CALL_NO_RWG, void, env, fp, fp) DEF_HELPER_FLAGS_2(set_fpcr, TCG_CALL_NO_RWG, void, env, i32) DEF_HELPER_FLAGS_2(ftst, TCG_CALL_NO_RWG, void, env, fp) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 618abf6..72c45de 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4646,6 +4646,12 @@ DISAS_INSN(fpu) case 0x67: /* fdmul */ gen_helper_fdmul(cpu_env, cpu_dest, cpu_src, cpu_dest); break; + case 0x24: /* fsgldiv */ + gen_helper_fsgldiv(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x27: /* fsglmul */ + gen_helper_fsglmul(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; case 0x28: /* fsub */ gen_helper_fsub(cpu_env, cpu_dest, cpu_src, cpu_dest); break;