From patchwork Wed Jun 28 20:42:37 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 781928 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 3wyZXG5v3tz9s4q for ; Thu, 29 Jun 2017 06:44:14 +1000 (AEST) Received: from localhost ([::1]:35577 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQJoq-0005n9-Fx for incoming@patchwork.ozlabs.org; Wed, 28 Jun 2017 16:44:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39802) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQJo5-0005Yx-KB for qemu-devel@nongnu.org; Wed, 28 Jun 2017 16:43:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQJo2-0003Xd-Gm for qemu-devel@nongnu.org; Wed, 28 Jun 2017 16:43:25 -0400 Received: from mout.kundenserver.de ([217.72.192.75]:49389) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dQJo2-0003We-4f for qemu-devel@nongnu.org; Wed, 28 Jun 2017 16:43:22 -0400 Received: from localhost.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue104 [212.227.15.183]) with ESMTPSA (Nemesis) id 0LylIV-1dmGPI2NVf-016AQQ; Wed, 28 Jun 2017 22:42:47 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Wed, 28 Jun 2017 22:42:37 +0200 Message-Id: <20170628204241.32106-4-laurent@vivier.eu> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170628204241.32106-1-laurent@vivier.eu> References: <20170628204241.32106-1-laurent@vivier.eu> X-Provags-ID: V03:K0:cxJmceDj4QJ3PmuOtxGlxFIXb/emOyO8vrdzrOurwwsLts0ZlPI AjoqW1vuszXDiFYMPToFvoMLjj2DZRuNaDBXbmyDQ01LJtRfD+xl/IRjp9UbQ+9NfMxC6Kl fxLecF2gKl6QuUoNOWBHsbuNxs2ZAHiVwGCWF4SAPMT2o8nO7snIZvhhjWYSGOFSh4ZZOm7 3LKsv8k2TRTPq3eidlPpA== X-UI-Out-Filterresults: notjunk:1; V01:K0:RBf5xMwWqYA=:oVIKKQJeMl2M4P43KrMmKZ So6hlcJJDub0XaIsmKgpVtP+bfcVUoLW25gkjG79ZhPt6OrTdu1DJ2BhK1F8338xuvmRICTJ1 x7uZEYXVcn/n484okkklT033QUGd6FMJz5j2AiFp9IZvXPA/zJ+X4cuhDfIQwjNwPw6Zj4O9x CQDbgH0I2GLDKGTMFNKo+PAznDevJ2kmePjd227C+oD2YGbdlr+ZneHJXhjlvIdGyEURn0yoC 61qfmn+m3qDpkTfSxEZCi/4izWAw3c4Q3m6N9PjvBI0KjUg6ZoCInil7c2vRrBp29IPTWiasU sPKXuuYMMC8cmjN73XVC4mOR3GuI6h8AmPaJIWdDCjC9ihmpKGt99UVAv6vJO+agYRjQbqAvV coCjSOSrZM5LdJ+FjxVXgAPkglIGKhRoOVFAYOSTGPFzFfitwa+ws/4SSfRDMcqOarGvn9TC5 Ch1p2Bs5gLKeDjYcKH5lOV6+UJZgGokY85ytNyFkYJAUkm0TRloCg7WRhYKMMswHmR5novlix UEvSr9ic+OndX+3df3gz0meERerB6HSdozNgax0Uwp7JlPdNJsHu/WGxHA2E5QzYANz+iHIUi QBxvG4AbaicgvrWSKfAtkhRU3F03HatJH/PuVlZ2+HLBtCM43MAfP0kghZKkS/5PNMrECm5f8 IU9UTLUlbljExf6kodqowfRjxEXQoDoKrhYEW4ae+JmwOFCiNFu+s5BkeoUD0R3ZFmJA= 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 v4 3/7] target/m68k: add explicit single and double precision operations 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" Add fssqrt, fdsqrt, fsadd, fdadd, fssub, fdsub, fsmul, fdmul, fsdiv, fddiv. The precision is managed using set_floatx80_rounding_precision(). Signed-off-by: Laurent Vivier Reviewed-by: Richard Henderson --- target/m68k/fpu_helper.c | 80 ++++++++++++++++++++++++++++++++++++++++++++++++ target/m68k/helper.h | 10 ++++++ target/m68k/translate.c | 40 +++++++++++++++++++++--- 3 files changed, 125 insertions(+), 5 deletions(-) diff --git a/target/m68k/fpu_helper.c b/target/m68k/fpu_helper.c index 4c14a1f..3b53554 100644 --- a/target/m68k/fpu_helper.c +++ b/target/m68k/fpu_helper.c @@ -157,11 +157,35 @@ void HELPER(set_fpcr)(CPUM68KState *env, uint32_t val) cpu_m68k_set_fpcr(env, val); } +#define PREC_BEGIN(prec) \ + do { \ + int old; \ + old = get_floatx80_rounding_precision(&env->fp_status); \ + set_floatx80_rounding_precision(prec, &env->fp_status) \ + +#define PREC_END() \ + set_floatx80_rounding_precision(old, &env->fp_status); \ + } while (0) + void HELPER(fsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_sqrt(val->d, &env->fp_status); } +void HELPER(fssqrt)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(32); + res->d = floatx80_sqrt(val->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) +{ + PREC_BEGIN(64); + res->d = floatx80_sqrt(val->d, &env->fp_status); + PREC_END(); +} + void HELPER(fabs)(CPUM68KState *env, FPReg *res, FPReg *val) { res->d = floatx80_abs(val->d); @@ -177,21 +201,77 @@ void HELPER(fadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) res->d = floatx80_add(val0->d, val1->d, &env->fp_status); } +void HELPER(fsadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_add(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_add(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + void HELPER(fsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); } +void HELPER(fssub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + void HELPER(fmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) { res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); } +void HELPER(fsmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_mul(val0->d, val1->d, &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); } +void HELPER(fsdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(32); + res->d = floatx80_div(val1->d, val0->d, &env->fp_status); + PREC_END(); +} + +void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) +{ + PREC_BEGIN(64); + res->d = floatx80_div(val1->d, val0->d, &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 d6e80e4..0c7f06f 100644 --- a/target/m68k/helper.h +++ b/target/m68k/helper.h @@ -26,12 +26,22 @@ DEF_HELPER_2(reds32, s32, env, fp) DEF_HELPER_3(firound, void, env, fp, fp) DEF_HELPER_3(fitrunc, void, env, fp, fp) DEF_HELPER_3(fsqrt, void, env, fp, fp) +DEF_HELPER_3(fssqrt, void, env, fp, fp) +DEF_HELPER_3(fdsqrt, void, env, fp, fp) DEF_HELPER_3(fabs, void, env, fp, fp) DEF_HELPER_3(fchs, void, env, fp, fp) DEF_HELPER_4(fadd, void, env, fp, fp, fp) +DEF_HELPER_4(fsadd, void, env, fp, fp, fp) +DEF_HELPER_4(fdadd, void, env, fp, fp, fp) DEF_HELPER_4(fsub, void, env, fp, fp, fp) +DEF_HELPER_4(fssub, void, env, fp, fp, fp) +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(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_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 5b93d3f..618abf6 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -4604,27 +4604,57 @@ DISAS_INSN(fpu) case 3: /* fintrz */ gen_helper_fitrunc(cpu_env, cpu_dest, cpu_src); break; - case 4: case 0x41: case 0x45: /* fsqrt */ + case 4: /* fsqrt */ gen_helper_fsqrt(cpu_env, cpu_dest, cpu_src); break; + case 0x41: /* fssqrt */ + gen_helper_fssqrt(cpu_env, cpu_dest, cpu_src); + break; + case 0x45: /* fdsqrt */ + gen_helper_fdsqrt(cpu_env, cpu_dest, cpu_src); + break; case 0x18: case 0x58: case 0x5c: /* fabs */ gen_helper_fabs(cpu_env, cpu_dest, cpu_src); break; case 0x1a: case 0x5a: case 0x5e: /* fneg */ gen_helper_fchs(cpu_env, cpu_dest, cpu_src); break; - case 0x20: case 0x60: case 0x64: /* fdiv */ + case 0x20: /* fdiv */ gen_helper_fdiv(cpu_env, cpu_dest, cpu_src, cpu_dest); break; - case 0x22: case 0x62: case 0x66: /* fadd */ + case 0x60: /* fsdiv */ + gen_helper_fsdiv(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x64: /* fddiv */ + gen_helper_fddiv(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x22: /* fadd */ gen_helper_fadd(cpu_env, cpu_dest, cpu_src, cpu_dest); break; - case 0x23: case 0x63: case 0x67: /* fmul */ + case 0x62: /* fsadd */ + gen_helper_fsadd(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x66: /* fdadd */ + gen_helper_fdadd(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x23: /* fmul */ gen_helper_fmul(cpu_env, cpu_dest, cpu_src, cpu_dest); break; - case 0x28: case 0x68: case 0x6c: /* fsub */ + case 0x63: /* fsmul */ + gen_helper_fsmul(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x67: /* fdmul */ + gen_helper_fdmul(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x28: /* fsub */ gen_helper_fsub(cpu_env, cpu_dest, cpu_src, cpu_dest); break; + case 0x68: /* fssub */ + gen_helper_fssub(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; + case 0x6c: /* fdsub */ + gen_helper_fdsub(cpu_env, cpu_dest, cpu_src, cpu_dest); + break; case 0x38: /* fcmp */ gen_helper_fcmp(cpu_env, cpu_src, cpu_dest); return;