From patchwork Mon Jun 26 22:03:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 780891 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 3wxNW45tMgz9s65 for ; Tue, 27 Jun 2017 08:09:04 +1000 (AEST) Received: from localhost ([::1]:49221 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPcBq-00038r-DH for incoming@patchwork.ozlabs.org; Mon, 26 Jun 2017 18:09:02 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56796) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPc7E-0007GR-1S for qemu-devel@nongnu.org; Mon, 26 Jun 2017 18:04:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dPc7A-0005Di-U3 for qemu-devel@nongnu.org; Mon, 26 Jun 2017 18:04:16 -0400 Received: from mout.kundenserver.de ([217.72.192.73]:64884) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dPc7A-0005DE-IL for qemu-devel@nongnu.org; Mon, 26 Jun 2017 18:04:12 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue103 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LqnUA-1duqJk0enK-00eIwg; Tue, 27 Jun 2017 00:03:38 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Tue, 27 Jun 2017 00:03:28 +0200 Message-Id: <20170626220330.6785-6-laurent@vivier.eu> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170626220330.6785-1-laurent@vivier.eu> References: <20170626220330.6785-1-laurent@vivier.eu> X-Provags-ID: V03:K0:n//y9wJBvPwqaopLT+wCiZ+OLJNDbAsGJbBiC7kFK9136Za6zUe OBhT8bLCC2kkTqbc5to5aomW0kuZGOQgKMKJyC5N4crWIU8Qc1dL8XpVaWlLtmOuhXp5FC9 IW/wUqVc1iu8gTF+1et5ifQtO3Yc5OcG1mUpaiFxdpAwc34cPoMLN+BlwaUjTaVgn+7jEzP vmqXjVMw3rOqttKspsO3w== X-UI-Out-Filterresults: notjunk:1; V01:K0:YJjctqspamw=:eE5+Os87/eOwqug9PKbG7e eIHmaDSCsAxtmeAhB4fUu1XZq+Fxahtffc8i0s1VWc/Q82yJYu6xGz6SZtYQ6V8ge9Hn8rQZh CEW2ir0i7Bn3vN+aQWPBpOnOtsUm54R6aEjFk/oTpbkKXdeHBaXgFJrwnMMSec99o9qHTsHub p5zFrSoD7T+hOQSlbUeMmszImKusGkB1kwlgvoRrHviHvxLYdjoEeFVzT7H7pndh+3dWQyqGI CMIJFRVCuZg3LpKGTsr2Ypvcml5yvi6OnnUgGISrIOWhuVmBjFXogz3BMYGkCItDC+GUrfacw zCl2JUP+MjURc3PrEjcn4gRuY7jV8O/W2oYQpTk4UIK2gtgQtw8sSckCHYrvsuSl9EHjVnUgL ceIBDbsTJwxXDkv7oX/EyeqbmIOHgn2wKzpd/opuJvid2jgpeMjincWrRVl512/QvceN+r1C2 P48Z787LudfnLG9oWgBwBOsfz9kk4DitIHu/1r25E1b82LGgWf59xih4KykqQhAzaFXrCr6K8 8fMJoXQC0VciyP/qEp1SDfU4BsY/Erl8leDJPlZXFgmzmM9dxRhFkfO+J4bhD+f6ugk25Ao8f yYQQkHr9/dV7VgFavaw7z1ZHVO0GXOYWVKXZ4tASQuannsNI2905uMftzJs0XL0i1bYOcoycy hPKu2r7En2lG+fdsL29yWjqcLS9ziZ9kIO9c7uFjAJJq+cobDmLnLe+QoaxdGw3dZHtY= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 217.72.192.73 Subject: [Qemu-devel] [PATCH v2 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 , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" fsglmul and fsgldiv truncate data to single precision before computing results. Signed-off-by: Laurent Vivier --- target/m68k/fpu_helper.c | 22 ++++++++++++++++++++++ target/m68k/helper.h | 2 ++ target/m68k/translate.c | 6 ++++++ 3 files changed, 30 insertions(+) diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index f6b6788..888abf6 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -249,6 +249,17 @@ void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) PREC_END(); } +void HELPER(fsglmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + floatx80 a, b; + + PREC_BEGIN(32); + a = floatx80_round(val0->d, &env->fp_status); + b = floatx80_round(val1->d, &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); @@ -268,6 +279,17 @@ void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) PREC_END(); } +void HELPER(fsgldiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + floatx80 a, b; + + PREC_BEGIN(32); + a = floatx80_round(val1->d, &env->fp_status); + b = floatx80_round(val0->d, &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 df79653..253b8cc 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;