From patchwork Sun Jun 25 19:21:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 780493 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 3wwhsP6ZQvz9s3w for ; Mon, 26 Jun 2017 05:22:33 +1000 (AEST) Received: from localhost ([::1]:43555 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPD75-0005pB-Rf for incoming@patchwork.ozlabs.org; Sun, 25 Jun 2017 15:22:27 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46683) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dPD6X-0005os-P3 for qemu-devel@nongnu.org; Sun, 25 Jun 2017 15:21:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dPD6S-0003ji-Rh for qemu-devel@nongnu.org; Sun, 25 Jun 2017 15:21:53 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:65436) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dPD6S-0003jH-HK for qemu-devel@nongnu.org; Sun, 25 Jun 2017 15:21:48 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue104 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LoqDL-1dxBGT42FH-00glnK; Sun, 25 Jun 2017 21:21:31 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Sun, 25 Jun 2017 21:21:21 +0200 Message-Id: <20170625192125.9992-4-laurent@vivier.eu> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170625192125.9992-1-laurent@vivier.eu> References: <20170625192125.9992-1-laurent@vivier.eu> X-Provags-ID: V03:K0:rXzlw+q0EuTrRdnza+OtjkkCc1BBI5tVZRKgSi4nIR9kbVGrLtc vDLOAYL12TvVDd5tdIsWvtAa3Mf4MkpYukIn38P8OQTE5C0obFt0P5LAkvxngeuI5zOu3BT p45ueSHxn8PhkyxyVKCVZ3ivisJDKMPBJRnW1IbfLeNg7j0V0Jt1cCtwEoeRH+4PhS2l/MQ oGy8cvk9qza4u0zTpDdpA== X-UI-Out-Filterresults: notjunk:1; V01:K0:DFCTarjNx8I=:jrZ7kVWn12EGPN6C1rNBkf SaCvR0YkiABXccXDFOGcmt0BKQ8aohtavkoj76vuphoXYQGrvuXTW2nMHLcHkv4grLyNoFH3Z BVBHqrJ3N6Ov0rvFPIJcvjWBsjLsBn9omsb9WwF8036YLesYERn+vpEUo51o9LI6ogfIDyAaB OuYjvXYUPRlHR6QhSIJMsWRUVDf7np5zFV7ZDXoCujSiBhwBaGA+sO8MsqAhNSKUB9Mzl8jri AOgU5FcypKTkOOJ5GyVl91vADXz2QNCzehSeUf2eGVelwfsNJhBryY8U+jg4RtussHrRzyrij bEpRq1JdQ1A4pX3K4Bmb4su4ypk5EYb7LFmTksRbvkIejByQa+8ViIjW2GkR0qB9ZNhuJaF06 ynXdXnOEVEwE4XIQ8mWHAAgUz7a4pP4+Yx0PViaeVHaAW32ZL+adkmQjVqgaiXTH13WfW/3IC WcTu6Hmlpu0ZXhoVlhufmGWnyPwj35FIuE/3/Xa8BYVd99XDO53xEezkr8jm0NEqJ1pSIzUsh Aqeqza3eOdmpLgP2IGZ0P5XqaZPN/RVSxeVjDWnFL0um1DPSr4cOiQRhKMy7sc56gncnvKUKp WTBRNXSR7dZ9Ou8AWtaw6c4fIUPYnjfFy+VqdX93ZmU+sKgVR7vwViCPnIE0D+3JOCKvtXWoB elBp6qSGy4vpHGhhOo5l43W1a9jcK/iKB4wvuwNH4w0ZAZryr1Lc93aVe0VmNG+ruO0s= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 217.72.192.75 Subject: [Qemu-devel] [PATCH 3/7] 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 , 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 912c0b7..0d83925 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -183,11 +183,33 @@ void HELPER(fmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); } +void HELPER(fsglmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + float32 a, b, c; + + a = floatx80_to_float32(val0->d, &env->fp_status); + b = floatx80_to_float32(val1->d, &env->fp_status); + c = float32_mul(a, b, &env->fp_status); + + res->d = float32_to_floatx80(c, &env->fp_status); +} + void HELPER(fdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_div(val1->d, val0->d, &env->fp_status); } +void HELPER(fsgldiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + float32 a, b, c; + + a = floatx80_to_float32(val1->d, &env->fp_status); + b = floatx80_to_float32(val0->d, &env->fp_status); + c = float32_div(a, b, &env->fp_status); + + res->d = float32_to_floatx80(c, &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 d6e80e4..5a006de 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -31,7 +31,9 @@ DEF_HELPER_3(fchs, void, env, fp, fp) DEF_HELPER_4(fadd, void, env, fp, fp, fp) DEF_HELPER_4(fsub, void, env, fp, fp, fp) DEF_HELPER_4(fmul, 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(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 a54da87..a50bf5f 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4622,6 +4622,12 @@ DISAS_INSN(fpu) case 0x23: case 0x63: case 0x67: /* fmul */ gen_helper_fmul(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: case 0x68: case 0x6c: /* fsub */ gen_helper_fsub(cpu_env, cpu_dest, cpu_src, cpu_dest); break;