From patchwork Mon Sep 9 17:28:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13797369 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 92CF2ECE577 for ; Mon, 9 Sep 2024 17:31:54 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sniC5-0005QW-6g; Mon, 09 Sep 2024 13:28:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sniC0-00051q-7y for qemu-devel@nongnu.org; Mon, 09 Sep 2024 13:28:48 -0400 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sniBy-00064D-Eh for qemu-devel@nongnu.org; Mon, 09 Sep 2024 13:28:47 -0400 Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-2055136b612so55185945ad.0 for ; Mon, 09 Sep 2024 10:28:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1725902925; x=1726507725; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=OgSS4vpluCfU+sZVifaIEPstx7ZGy8wKpnske9+/2+o=; b=XQg+f6Hb59TBBnna97CzjZIZMmHN4O3Go+eORgObPo3gDToOZr94tegIQvamxG5daB v0jWrqoQEps0BxRcQKeaIGNa72jhkqNahBaA9t/V7m033zz5emcIkT8f02ZLpDiX0/x8 eWiwJOcpNUUeUeE9od52WExxpXyp//8fLdG8VVBHrKUR5bUr7AnftCnXZNEnOKNLp76B CrmI5arAHMM4JeK7zz1EhyrHcRiFd9cJTW7qbbBn84615A4rKNmkb5gJaAKSPxwBLkzH yJFozI7aELZKBzzXVuYNqeWRslXmtB8XEmHEbyA6wcxVnzLFQK84PM5Ucc+YcmzpRZlL pqTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725902925; x=1726507725; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OgSS4vpluCfU+sZVifaIEPstx7ZGy8wKpnske9+/2+o=; b=CjAr+2Fp5XZlzdB+K8V2TyRWc0RiGa/WY3K0VOVAgobyKMdXNxa2lV026X6VAZHR3W p29kr61W5FlIzBCOn7Mto/qnydbl6bg1deyUElOlb3nHO713n2Ck8N9CSUWCrQWJOVm3 0S3rXqGqdIXDzpFdRZP+EfnTTGu4Nmy/7YJaCWa59clRfUY8VkOb/zrAMKtLdZrOFPIw cSsXWcii3Go1xwawCpSsg1j5bgyDFFgzWQAZF4kdv+UjFb6cOXeEzAalNCsQVc5uHmvu LDHqhiUIk6a3+IpwUtMLXk3SUEPuGW3Q2glyEsgImBme5Cs2LUzNRiUowmfgMxGkXu/F 5Grg== X-Gm-Message-State: AOJu0YzRB8sjw5n2yEwYJMewIy7W/+h4N6phbLAzmMnao40A14BEbixT aEFtyQ2yVlOglobJ8GuVNh3c68jITxowjZTuImSkbDmrwV+kClhEyGNWIbNbVxjBQ6aLrgsdokm I X-Google-Smtp-Source: AGHT+IHpEWdxNXtr9X4V/qQH5insJ1EKmTQxp9MTzAtV/2gNza20aNTFkKk7AERHB/vj12KRNphi7w== X-Received: by 2002:a17:902:e5ca:b0:202:60e:7700 with SMTP id d9443c01a7336-206f04c9985mr200281375ad.7.1725902925094; Mon, 09 Sep 2024 10:28:45 -0700 (PDT) Received: from stoup.. (174-21-81-121.tukw.qwest.net. [174.21.81.121]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20710e11e02sm36539875ad.14.2024.09.09.10.28.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Sep 2024 10:28:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, daniel@0x0f.com Subject: [PATCH v3 22/26] target/m68k: Merge gen_store_fp, gen_store_mode_fp Date: Mon, 9 Sep 2024 10:28:19 -0700 Message-ID: <20240909172823.649837-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240909172823.649837-1-richard.henderson@linaro.org> References: <20240909172823.649837-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This enables the exceptions raised by the actual store to be reflected as a failure. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- target/m68k/translate.c | 107 ++++++++++++++++++++-------------------- 1 file changed, 53 insertions(+), 54 deletions(-) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index e966d2c929..9b1d39d7df 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -901,53 +901,6 @@ static void gen_fp_move(TCGv_ptr dest, TCGv_ptr src) tcg_gen_st_i64(t64, dest, offsetof(FPReg, l.lower)); } -static void gen_store_fp(DisasContext *s, int opsize, TCGv addr, TCGv_ptr fp, - int index) -{ - TCGv tmp; - TCGv_i64 t64; - - t64 = tcg_temp_new_i64(); - tmp = tcg_temp_new(); - switch (opsize) { - case OS_BYTE: - case OS_WORD: - case OS_LONG: - gen_helper_reds32(tmp, tcg_env, fp); - tcg_gen_qemu_st_tl(tmp, addr, index, opsize | MO_TE); - break; - case OS_SINGLE: - gen_helper_redf32(tmp, tcg_env, fp); - tcg_gen_qemu_st_tl(tmp, addr, index, MO_TEUL); - break; - case OS_DOUBLE: - gen_helper_redf64(t64, tcg_env, fp); - tcg_gen_qemu_st_i64(t64, addr, index, MO_TEUQ); - break; - case OS_EXTENDED: - if (m68k_feature(s->env, M68K_FEATURE_CF_FPU)) { - gen_exception(s, s->base.pc_next, EXCP_FP_UNIMP); - break; - } - tcg_gen_ld16u_i32(tmp, fp, offsetof(FPReg, l.upper)); - tcg_gen_shli_i32(tmp, tmp, 16); - tcg_gen_qemu_st_i32(tmp, addr, index, MO_TEUL); - tcg_gen_addi_i32(tmp, addr, 4); - tcg_gen_ld_i64(t64, fp, offsetof(FPReg, l.lower)); - tcg_gen_qemu_st_i64(t64, tmp, index, MO_TEUQ); - break; - case OS_PACKED: - /* - * unimplemented data type on 68040/ColdFire - * FIXME if needed for another FPU - */ - gen_exception(s, s->base.pc_next, EXCP_FP_UNIMP); - break; - default: - g_assert_not_reached(); - } -} - static bool gen_load_fp(DisasContext *s, uint16_t insn, int opsize, TCGv_ptr fp, int index) { @@ -1087,12 +1040,13 @@ static bool gen_load_fp(DisasContext *s, uint16_t insn, int opsize, return true; } -static bool gen_store_mode_fp(DisasContext *s, uint16_t insn, int opsize, - TCGv_ptr fp, int index) +static bool gen_store_fp(DisasContext *s, uint16_t insn, int opsize, + TCGv_ptr fp, int index) { int mode = extract32(insn, 3, 3); int reg0 = REG(insn, 0); - TCGv reg, addr; + TCGv reg, addr, tmp; + TCGv_i64 t64; switch (mode) { case 0: /* Data register direct. */ @@ -1126,10 +1080,55 @@ static bool gen_store_mode_fp(DisasContext *s, uint16_t insn, int opsize, gen_addr_fault(s); return false; } - gen_store_fp(s, opsize, addr, fp, index); - return true; + break; + + default: + g_assert_not_reached(); } - g_assert_not_reached(); + + switch (opsize) { + case OS_BYTE: + case OS_WORD: + case OS_LONG: + tmp = tcg_temp_new(); + gen_helper_reds32(tmp, tcg_env, fp); + tcg_gen_qemu_st_tl(tmp, addr, index, opsize | MO_TE); + break; + case OS_SINGLE: + tmp = tcg_temp_new(); + gen_helper_redf32(tmp, tcg_env, fp); + tcg_gen_qemu_st_tl(tmp, addr, index, MO_TEUL); + break; + case OS_DOUBLE: + t64 = tcg_temp_new_i64(); + gen_helper_redf64(t64, tcg_env, fp); + tcg_gen_qemu_st_i64(t64, addr, index, MO_TEUQ); + break; + case OS_EXTENDED: + if (m68k_feature(s->env, M68K_FEATURE_CF_FPU)) { + gen_exception(s, s->base.pc_next, EXCP_FP_UNIMP); + return false; + } + tmp = tcg_temp_new(); + t64 = tcg_temp_new_i64(); + tcg_gen_ld16u_i32(tmp, fp, offsetof(FPReg, l.upper)); + tcg_gen_shli_i32(tmp, tmp, 16); + tcg_gen_qemu_st_i32(tmp, addr, index, MO_TEUL); + tcg_gen_addi_i32(addr, addr, 4); + tcg_gen_ld_i64(t64, fp, offsetof(FPReg, l.lower)); + tcg_gen_qemu_st_i64(t64, addr, index, MO_TEUQ); + break; + case OS_PACKED: + /* + * unimplemented data type on 68040/ColdFire + * FIXME if needed for another FPU + */ + gen_exception(s, s->base.pc_next, EXCP_FP_UNIMP); + return false; + default: + g_assert_not_reached(); + } + return true; } typedef struct { @@ -4889,7 +4888,7 @@ DISAS_INSN(fpu) case 3: /* fmove out */ cpu_src = gen_fp_ptr(REG(ext, 7)); opsize = ext_opsize(ext, 10); - if (gen_store_mode_fp(s, insn, opsize, cpu_src, IS_USER(s))) { + if (gen_store_fp(s, insn, opsize, cpu_src, IS_USER(s))) { gen_helper_update_fpsr(tcg_env, cpu_src); } return;