From patchwork Wed Jan 18 21:05:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 716842 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 3v3fg66vmlz9t25 for ; Thu, 19 Jan 2017 08:07:14 +1100 (AEDT) Received: from localhost ([::1]:44328 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTxRo-0003RV-J3 for incoming@patchwork.ozlabs.org; Wed, 18 Jan 2017 16:07:12 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46453) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cTxQc-0002Qu-4F for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cTxQY-0006sv-1L for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:58 -0500 Received: from mout.kundenserver.de ([212.227.126.130]:65241) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cTxQX-0006s1-NW for qemu-devel@nongnu.org; Wed, 18 Jan 2017 16:05:53 -0500 Received: from Quad.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue005 [212.227.15.167]) with ESMTPSA (Nemesis) id 0M6ym1-1cfYyv0Yx3-00wmiD; Wed, 18 Jan 2017 22:05:24 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 18 Jan 2017 22:05:15 +0100 Message-Id: <1484773521-16530-2-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1484773521-16530-1-git-send-email-laurent@vivier.eu> References: <1484773521-16530-1-git-send-email-laurent@vivier.eu> X-Provags-ID: V03:K0:5eC/bsDO7ITrpEBpWRR8jfClNQTpFHwq8uGd9ESlT2D4f6raP+Y qXDE92gGm3qGDTgg4Ts1VvGiRG3aPsgBxctDDTf931EKkFqH0z3beWXw6qt3qJQQ24NwGog WSTVCGh06vBb5WDNeFzEwzS4MLRIgYd4VTQlVXYqz/MOr+gJXfrBGfXIvIU5M+RiJnOJCMS Tir3M+N0gSUIZgNjmhj9g== X-UI-Out-Filterresults: notjunk:1; V01:K0:gxXTdeC5Jnw=:iae13DXGjwxGUyuyAzLLZF uML8avitnc9rIWfLa3ZOAQ7N9Xjgw3kZOS6FIimnNtAOLjCVp7jqS/934oXKy3rJc9gKABGyy YUFw2RUejMHVkVoBnf+oj7o1uPDxUwnmIfCMBo/+QUdcour+nGGyUVCA81iKdWVfXDAQCe5+8 I578uyIvzEqODHUmG09TMq6ICtb5AHni1BQo9udGTSG5/8f59Pl16mC16SZmMOrj9C0P75S7m kKTQMD9SdBE2ih9drEjXx/ddT8QHEau3RvmGCo2bk8bD9cKfeWvWlt8Rl36jDq1IDYw1Em+X4 kUCYkNg5it8FgzoxjXuXtfyWZRU/1bag40MKSLp2Hc7Mtz0FBRTbPzhXmgkJ7xJjj4R82iHUE wrfxuaLL7aVHXlUK+LktkwAfRkEc6ZWFEIDmq5HofpoRdLVmlx3OEs/V6Yph2CSyLOja9r7XG d5KrGZcBIn9X7FF4LcRwf4P2FujRn5nD/qaGMiQL2b3U5MFlDsLEvq/Z7cd07co7Id30GuYZ3 yUCkohEMBCUmAoYWFE90SPMrrTolqTr/wofZuHVF5PPjzBTh6TBpqykgNDvRky+za0hXUCulh NACNqLRFTCmcZJwecaOouYtpkhAmpO3iWSSkVhijDYUaQPk5bC6v4a6clc2LENAOuZTICPpN4 KjSXzoDtM977e1sm72uJxNHN4PDWqgnJgjo1JKTrNmyxmWfYdZSHE1oPTAzAxwNuLQSY= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 212.227.126.130 Subject: [Qemu-devel] [PATCH 1/7] target-m68k: move FPU helpers to fpu_helper.c 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 , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Laurent Vivier --- target/m68k/Makefile.objs | 2 +- target/m68k/fpu_helper.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++ target/m68k/helper.c | 88 ------------------------------------ 3 files changed, 113 insertions(+), 89 deletions(-) create mode 100644 target/m68k/fpu_helper.c diff --git a/target/m68k/Makefile.objs b/target/m68k/Makefile.objs index 02cf616..39141ab 100644 --- a/target/m68k/Makefile.objs +++ b/target/m68k/Makefile.objs @@ -1,3 +1,3 @@ obj-y += m68k-semi.o -obj-y += translate.o op_helper.o helper.o cpu.o +obj-y += translate.o op_helper.o helper.o cpu.o fpu_helper.o obj-y += gdbstub.o diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c new file mode 100644 index 0000000..5bf2576 --- /dev/null +++ b/target/m68k/fpu_helper.c @@ -0,0 +1,112 @@ +/* + * m68k FPU helpers + * + * Copyright (c) 2006-2007 CodeSourcery + * Written by Paul Brook + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "exec/helper-proto.h" + +uint32_t HELPER(f64_to_i32)(CPUM68KState *env, float64 val) +{ + return float64_to_int32(val, &env->fp_status); +} + +float32 HELPER(f64_to_f32)(CPUM68KState *env, float64 val) +{ + return float64_to_float32(val, &env->fp_status); +} + +float64 HELPER(i32_to_f64)(CPUM68KState *env, uint32_t val) +{ + return int32_to_float64(val, &env->fp_status); +} + +float64 HELPER(f32_to_f64)(CPUM68KState *env, float32 val) +{ + return float32_to_float64(val, &env->fp_status); +} + +float64 HELPER(iround_f64)(CPUM68KState *env, float64 val) +{ + return float64_round_to_int(val, &env->fp_status); +} + +float64 HELPER(itrunc_f64)(CPUM68KState *env, float64 val) +{ + return float64_trunc_to_int(val, &env->fp_status); +} + +float64 HELPER(sqrt_f64)(CPUM68KState *env, float64 val) +{ + return float64_sqrt(val, &env->fp_status); +} + +float64 HELPER(abs_f64)(float64 val) +{ + return float64_abs(val); +} + +float64 HELPER(chs_f64)(float64 val) +{ + return float64_chs(val); +} + +float64 HELPER(add_f64)(CPUM68KState *env, float64 a, float64 b) +{ + return float64_add(a, b, &env->fp_status); +} + +float64 HELPER(sub_f64)(CPUM68KState *env, float64 a, float64 b) +{ + return float64_sub(a, b, &env->fp_status); +} + +float64 HELPER(mul_f64)(CPUM68KState *env, float64 a, float64 b) +{ + return float64_mul(a, b, &env->fp_status); +} + +float64 HELPER(div_f64)(CPUM68KState *env, float64 a, float64 b) +{ + return float64_div(a, b, &env->fp_status); +} + +float64 HELPER(sub_cmp_f64)(CPUM68KState *env, float64 a, float64 b) +{ + /* ??? This may incorrectly raise exceptions. */ + /* ??? Should flush denormals to zero. */ + float64 res; + res = float64_sub(a, b, &env->fp_status); + if (float64_is_quiet_nan(res, &env->fp_status)) { + /* +/-inf compares equal against itself, but sub returns nan. */ + if (!float64_is_quiet_nan(a, &env->fp_status) + && !float64_is_quiet_nan(b, &env->fp_status)) { + res = float64_zero; + if (float64_lt_quiet(a, res, &env->fp_status)) { + res = float64_chs(res); + } + } + } + return res; +} + +uint32_t HELPER(compare_f64)(CPUM68KState *env, float64 val) +{ + return float64_compare_quiet(val, float64_zero, &env->fp_status); +} diff --git a/target/m68k/helper.c b/target/m68k/helper.c index f750d3d..5ca9911 100644 --- a/target/m68k/helper.c +++ b/target/m68k/helper.c @@ -284,94 +284,6 @@ void HELPER(set_sr)(CPUM68KState *env, uint32_t val) m68k_switch_sp(env); } -/* FPU helpers. */ -uint32_t HELPER(f64_to_i32)(CPUM68KState *env, float64 val) -{ - return float64_to_int32(val, &env->fp_status); -} - -float32 HELPER(f64_to_f32)(CPUM68KState *env, float64 val) -{ - return float64_to_float32(val, &env->fp_status); -} - -float64 HELPER(i32_to_f64)(CPUM68KState *env, uint32_t val) -{ - return int32_to_float64(val, &env->fp_status); -} - -float64 HELPER(f32_to_f64)(CPUM68KState *env, float32 val) -{ - return float32_to_float64(val, &env->fp_status); -} - -float64 HELPER(iround_f64)(CPUM68KState *env, float64 val) -{ - return float64_round_to_int(val, &env->fp_status); -} - -float64 HELPER(itrunc_f64)(CPUM68KState *env, float64 val) -{ - return float64_trunc_to_int(val, &env->fp_status); -} - -float64 HELPER(sqrt_f64)(CPUM68KState *env, float64 val) -{ - return float64_sqrt(val, &env->fp_status); -} - -float64 HELPER(abs_f64)(float64 val) -{ - return float64_abs(val); -} - -float64 HELPER(chs_f64)(float64 val) -{ - return float64_chs(val); -} - -float64 HELPER(add_f64)(CPUM68KState *env, float64 a, float64 b) -{ - return float64_add(a, b, &env->fp_status); -} - -float64 HELPER(sub_f64)(CPUM68KState *env, float64 a, float64 b) -{ - return float64_sub(a, b, &env->fp_status); -} - -float64 HELPER(mul_f64)(CPUM68KState *env, float64 a, float64 b) -{ - return float64_mul(a, b, &env->fp_status); -} - -float64 HELPER(div_f64)(CPUM68KState *env, float64 a, float64 b) -{ - return float64_div(a, b, &env->fp_status); -} - -float64 HELPER(sub_cmp_f64)(CPUM68KState *env, float64 a, float64 b) -{ - /* ??? This may incorrectly raise exceptions. */ - /* ??? Should flush denormals to zero. */ - float64 res; - res = float64_sub(a, b, &env->fp_status); - if (float64_is_quiet_nan(res, &env->fp_status)) { - /* +/-inf compares equal against itself, but sub returns nan. */ - if (!float64_is_quiet_nan(a, &env->fp_status) - && !float64_is_quiet_nan(b, &env->fp_status)) { - res = float64_zero; - if (float64_lt_quiet(a, res, &env->fp_status)) - res = float64_chs(res); - } - } - return res; -} - -uint32_t HELPER(compare_f64)(CPUM68KState *env, float64 val) -{ - return float64_compare_quiet(val, float64_zero, &env->fp_status); -} /* MAC unit. */ /* FIXME: The MAC unit implementation is a bit of a mess. Some helpers