From patchwork Mon Jan 30 18:16:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 721676 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 3vByks1yQVz9t1d for ; Tue, 31 Jan 2017 05:35:49 +1100 (AEDT) Received: from localhost ([::1]:34427 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYGnq-0002hD-S2 for incoming@patchwork.ozlabs.org; Mon, 30 Jan 2017 13:35:46 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51142) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYGW8-00034M-MW for qemu-devel@nongnu.org; Mon, 30 Jan 2017 13:17:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cYGW4-0002Aw-J7 for qemu-devel@nongnu.org; Mon, 30 Jan 2017 13:17:28 -0500 Received: from mout.kundenserver.de ([217.72.192.73]:56129) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cYGW4-0002Ah-6l for qemu-devel@nongnu.org; Mon, 30 Jan 2017 13:17:24 -0500 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue103 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LfY1R-1c9iKt3Ql7-00p78p; Mon, 30 Jan 2017 19:16:47 +0100 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Mon, 30 Jan 2017 19:16:31 +0100 Message-Id: <20170130181634.13934-14-laurent@vivier.eu> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170130181634.13934-1-laurent@vivier.eu> References: <20170130181634.13934-1-laurent@vivier.eu> X-Provags-ID: V03:K0:rjT4/ze2+6rr4QM531+u2vGBqSxZ/bBHJrWx8eEGy43NTUsOGkH ZO0JA5Yl9PnqfiDp91F1ZApd8ggmCLlGuAn067JyJEpjxS1qg1jdjbTUDB8IJq84h9HOmPB cEchZiTRUKhl/1l8RIznCDvUfIrg5KKQkuJ/Mq88+X+e0by23lqIXdc5Lt2onzntoTwGk/9 RhElT39N8vfLzAYgjtz0g== X-UI-Out-Filterresults: notjunk:1; V01:K0:PUoxXOX4DzA=:db35RqHJ/i4xjrdykakhiC JyqSWEHDmv9rSaVvhtWjgQ2bHKGsqQVHsvSc6RjY91Jo0LdFmgsLwHAmvWUpZzMhd8SjUDjh4 TT4or5mtftzi64mbjQIhu8YWII1TpYh4l5Xy5cnVoOHNb1QK0KTmB9KMtmHfSOEtZLop57ws0 JtZus2H29uvFdKgyOsBgswIFWNKcXfttvOWWdWZM8n+F2e0F+M65Yg/sokAgHU8QMACh5itar LPuteFYfhp285RlsfB30ek8C5z1I7apPUZNrTiriEYO/x11xv4IcRTsG74ecxsnsyKOmSu+Pi CoFkwTJHIE/UcAL+xZ04Lh9sxIBmx/ddkk+WQbrqmUM3/CXuJaHpCebK59sBCuvDbKRcki98C jBiRzIcKI1OooEKwhCvLKxBMKFwedG6CUDjfT035pNI8nC+hviDJGNoICCqINR21vft2nEZkk jUezoQboF7ierOln4NVLG9pRJMq0vp78dRpymPvCKm0SM7N/wK0ctYhAl9c9bEbWtahUPiB6t yAG7i9qGW/DDjee2M8XsIZm1Bdlve85g6aQqEjwr1nRe/7kOH7WHUBXk8OPFx2KGI6MT2M7Id +PviVORdUt5E2WzKJOn1+M/V7wKd459J7ARr5iNTgnk6lMSN555t9pEQXOEHlTpFUYle3EMdi IxDuE2zOPq5CyaulDQ+Ww7XMyT4FYjWmt+TtSV1C1DG5qfMZh+Benqg27+X4TcpNwYE4= 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 13/16] 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 , 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 | 8 ++++++++ 3 files changed, 32 insertions(+) diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 42f5b5c..8a3eed3 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -351,6 +351,17 @@ void HELPER(mul_FP0_FP1)(CPUM68KState *env) floatx80_to_FP0(env, res); } +void HELPER(sglmul_FP0_FP1)(CPUM68KState *env) +{ + float64 a, b, res; + + a = floatx80_to_float64(FP0_to_floatx80(env), &env->fp_status); + b = floatx80_to_float64(FP1_to_floatx80(env), &env->fp_status); + res = float64_mul(a, b, &env->fp_status); + + floatx80_to_FP0(env, float64_to_floatx80(res, &env->fp_status)); +} + void HELPER(div_FP0_FP1)(CPUM68KState *env) { floatx80 res; @@ -361,6 +372,17 @@ void HELPER(div_FP0_FP1)(CPUM68KState *env) floatx80_to_FP0(env, res); } +void HELPER(sgldiv_FP0_FP1)(CPUM68KState *env) +{ + float64 a, b, res; + + a = floatx80_to_float64(FP1_to_floatx80(env), &env->fp_status); + b = floatx80_to_float64(FP0_to_floatx80(env), &env->fp_status); + res = float64_div(a, b, &env->fp_status); + + floatx80_to_FP0(env, float64_to_floatx80(res, &env->fp_status)); +} + 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 620e707..c30e5f7 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -26,7 +26,9 @@ DEF_HELPER_1(chs_FP0, void, env) DEF_HELPER_1(add_FP0_FP1, void, env) DEF_HELPER_1(sub_FP0_FP1, void, env) DEF_HELPER_1(mul_FP0_FP1, void, env) +DEF_HELPER_1(sglmul_FP0_FP1, void, env) DEF_HELPER_1(div_FP0_FP1, void, env) +DEF_HELPER_1(sgldiv_FP0_FP1, void, env) DEF_HELPER_1(cmp_FP0_FP1, void, env) DEF_HELPER_2(set_fpcr, void, env, i32) DEF_HELPER_1(tst_FP0, void, env) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index d954d82..cfdc858 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4651,10 +4651,18 @@ DISAS_INSN(fpu) gen_op_load_fpr_FP1(REG(ext, 7)); gen_helper_mul_FP0_FP1(cpu_env); break; + case 0x24: /* fsgldiv */ + gen_op_load_fpr_FP1(REG(ext, 7)); + gen_helper_sgldiv_FP0_FP1(cpu_env); + break; case 0x26: /* fscale */ gen_op_load_fpr_FP1(REG(ext, 7)); gen_helper_scale_FP0_FP1(cpu_env); break; + case 0x27: /* fsglmul */ + gen_op_load_fpr_FP1(REG(ext, 7)); + gen_helper_sglmul_FP0_FP1(cpu_env); + break; case 0x28: case 0x68: case 0x6c: /* fsub */ gen_op_load_fpr_FP1(REG(ext, 7)); gen_helper_sub_FP0_FP1(cpu_env);