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[174.21.81.121]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e9f6821c32sm7186818a12.33.2024.10.08.11.51.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Oct 2024 11:51:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1728413515; x=1729018315; 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=421LbBczhN+7djkIM+80LiuWG1ET4qxsB+bV+/jUDAA=; b=o80o3xZQf0wmvDB/S97KNbXeaGPVjYVQev31/7sOBubGp77Z5Eg1XHZXHG634I/Awj 1Okoh0mZP0MtVh/BGfwDeDLX2nNIdY7+GWcyxzA37yNj4r10484XAYNoJk6gJSxo9KrM SSEkJclqRT6hZyIJqR6UxKkvQTOqSygedJQvfZoxV2nWLUNKEmS/N9jlGBmBmvtk2ajc Jk+zbPYrdl+tyNDXXew6fIACzQWGpGwCdZRiGxvzOuxgyNojjjUi9KSN4kY/0na4Y5pc 9ofIV5STK7RNCk8t5QG5KPxVk0fZkWJr8oXM8br8OkywKg9DfjXiYIc2M4U2/IwrFGuP /xmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728413515; x=1729018315; 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=421LbBczhN+7djkIM+80LiuWG1ET4qxsB+bV+/jUDAA=; b=pUXmj+S4/NuM69leVuPVCyU2vk4nBrkziaYuS2sRnMlmlqDesFjV9H9Des1XZMYK2Y ewTTwAEBaqSKueM80KuhVFzknAx0OoOoDOtGa90EnpPWJYxQL5qleF6+A4Rh+H/ICfFH P4d8aRv1FHHuJZW2lXUEfyirdhpBoflnt0W2RNzA1HIUqJhNm66laq6pzZfI5kuZR5P8 BFO8ecW3dNzxWT6NGdC1k2MipgAN+R6uCH0b0nzN00M6FWE6eIvhyk7HaghNbkaRp4fh zsby5uW8Yw0PgGExUEHUFWn464hE7GVO3x/SScAbhD5KqsT24zmDJT9ylCTNI+hdtlK+ hJgA== X-Gm-Message-State: AOJu0YzOf/6xuKXJZuSRuznNH6zHqEkbdraN+Se89rRPQXvDP16Osvxo MeBiaAYFtHn6EzarYHDTH0qo2OeU2fEU2L+JDUAR1uWtQTBvPwv/lJHwnQXaLlnpGHXLJWP1IT+ V X-Google-Smtp-Source: AGHT+IFIqfSlo7K5fV0qmuQGX5zZ3paHeLNylBm779/MEKKiozPHCSLty7GokoI2bFW6wsyH3BBUvQ== X-Received: by 2002:a05:6a20:c709:b0:1d2:bbd9:4646 with SMTP id adf61e73a8af0-1d6dfabb7bfmr25353858637.38.1728413515383; Tue, 08 Oct 2024 11:51:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 13/14] target/m68k: Always return a temporary from gen_lea_mode Date: Tue, 8 Oct 2024 11:51:40 -0700 Message-ID: <20241008185141.20057-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241008185141.20057-1-richard.henderson@linaro.org> References: <20241008185141.20057-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42b.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1728413678787116600 Returning a raw areg does not preserve the value if the areg is subsequently modified. Fixes, e.g. "jsr (sp)", where the return address is pushed before the branch. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2483 Signed-off-by: Richard Henderson Message-Id: <20240813000737.228470-1-richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/m68k/translate.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 445966fb6a..ad3ce34501 100644 --- a/target/m68k/translate.c +++ b/target/m68k/translate.c @@ -720,7 +720,9 @@ static TCGv gen_lea_mode(CPUM68KState *env, DisasContex= t *s, } /* fallthru */ case 2: /* Indirect register */ - return get_areg(s, reg0); + tmp =3D tcg_temp_new(); + tcg_gen_mov_i32(tmp, get_areg(s, reg0)); + return tmp; case 4: /* Indirect predecrememnt. */ if (opsize =3D=3D OS_UNSIZED) { return NULL_QREG; @@ -747,20 +749,23 @@ static TCGv gen_lea_mode(CPUM68KState *env, DisasCont= ext *s, switch (reg0) { case 0: /* Absolute short. */ offset =3D (int16_t)read_im16(env, s); - return tcg_constant_i32(offset); + break; case 1: /* Absolute long. */ offset =3D read_im32(env, s); - return tcg_constant_i32(offset); + break; case 2: /* pc displacement */ offset =3D s->pc; offset +=3D (int16_t)read_im16(env, s); - return tcg_constant_i32(offset); + break; case 3: /* pc index+displacement. */ return gen_lea_indexed(env, s, NULL_QREG); case 4: /* Immediate. */ default: return NULL_QREG; } + tmp =3D tcg_temp_new(); + tcg_gen_movi_i32(tmp, offset); + return tmp; } /* Should never happen. */ return NULL_QREG; --=20 2.43.0