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[174.21.74.48]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-22781209ff3sm54075165ad.257.2025.03.23.10.37.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Mar 2025 10:37:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1742751453; x=1743356253; 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=YGgDZgK8X2BSYVWSdj2GCRC9iMdojOu2NC7i0DOuuAA=; b=vNYqetvcBXQCyIHKeUTj2NgIlsMrirj0MqcigE1BpeCq83c8Jk5p/fvPQ8giiPxcmc wadAC+xHQUH57/CRmqhAKgnlR3MwlbQ/VLq29Gaqa1sy6+7Z79P7TwlO2Dqqha2aH+7g L6K2W5FcN46E4MJgKolh5UKQWVx0/m9jVwzch+XFjkbCIRHc+9J83zTG3Dba++lGt1aJ kw08o1IulAMxZLnqzGoBlcsFAxj8RLOQUmLZlDClAKoxHidFG06lQNvntXm6b2FDO/Bw To5rQ90F/Ry5sJGXXsB8tT7InX+Mh9yXdt+p01aQiR2Ng8zT5f0BwX6urvjqrs2dojaB oEFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742751453; x=1743356253; 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=YGgDZgK8X2BSYVWSdj2GCRC9iMdojOu2NC7i0DOuuAA=; b=V5zRGT0xohPnUYEB2/QPzvTH+JfxI/O8+wTdbb16Djh0Sa3Kayh1oAleioK52AQY0h cXvwFkPHmk0MNn9bW1yYFTOSl0266z/Idxs7rpbG27FWwdFCgKqjEaVt2PD5w0vo4dTc AA8jIzsVsSaGTQxHAel/UccsF7ZHhK9xUioASrTBYaj7+ZYbazaYPkmPDfPjTpnMR1Rd X7Cy8EwkpzN7YGcMNpXymUJM153+PaNkQHloTpP8MniwZ2QWsenB2zhuj1AijntCQ9xX d9hPUyiRtFSGuoydY3zD5hy4CzP/KfcgjesHYZe1s3Nz2VNwd6zYfJDVbsrJBW2KlQRo 56eg== X-Gm-Message-State: AOJu0Yyodn/awgAS+GDf6p/8wxoH6rhyhsbbLnxQyxEZpZI7R/80+sCi j+jO1hr6XKmbJ4/K/QUJrelPdlof3gNyYjU/nwxlQwd9h0wZVv01R8jNSC9xPcPIVFmuCWoGzfr 6 X-Gm-Gg: ASbGnctC4MrzaD1rJmB7LjbzjIhEXwzohY2bQGUsOFUd0TNoovennQYgHsDS11QfYOP engue0zO1RyeYYPWE5qVOGBMcmS3wmzcJWON9dVv+Q4NfgSYALTUMobicwJfmrcj58JXD5rX8hJ Bp1K5nlwqSOJs1Mjc11TOI2G9cejeiu/H+zh35Vl3NQVkbwg29roMGqXOpN9EMQOlDCsZSNWGgF /nfm4mjGOvVIjL9BBKi4XTJT83AvOeQqj/0sqAcJJH5/JKh8a7jhFPLGWHWzEtc0jiX9WcNfYb/ Xi/jbg2pgYgoIHOC7MHX4f1nQJ9N3/f3hcgEV7352RRwLkzMiY8sf+7WjH0OtbzxQT6XfsvRmus tEejVN9VAFa0= X-Google-Smtp-Source: AGHT+IHHjB6B0aSiinZE2kTfMdMwJ2ciLfmNsLKY4AnB8g+LRZw0g8rAnpEja84qwoVEiW8UNlbmwA== X-Received: by 2002:a17:902:e846:b0:223:5c33:56a2 with SMTP id d9443c01a7336-22780da6237mr185737895ad.28.1742751453497; Sun, 23 Mar 2025 10:37:33 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mrolnik@gmail.com, philmd@linaro.org, pierrick.bouvier@linaro.org, qemu-stable@nongnu.org Subject: [PATCH 03/17] target/avr: Improve decode of LDS, STS Date: Sun, 23 Mar 2025 10:37:15 -0700 Message-ID: <20250323173730.3213964-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250323173730.3213964-1-richard.henderson@linaro.org> References: <20250323173730.3213964-1-richard.henderson@linaro.org> MIME-Version: 1.0 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::632; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x632.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: 1742751693669116600 Content-Type: text/plain; charset="utf-8" The comment about not being able to define a field with zero bits is out of date since 94597b6146f3 ("decodetree: Allow !function with no input bits"). This fixes the missing load of imm in the disassembler. Cc: qemu-stable@nongnu.org Fixes: 9d8caa67a24 ("target/avr: Add support for disassembling via option '= -d in_asm'") Signed-off-by: Richard Henderson Reviewed-by: Pierrick Bouvier --- target/avr/translate.c | 2 -- target/avr/insn.decode | 7 ++----- 2 files changed, 2 insertions(+), 7 deletions(-) diff --git a/target/avr/translate.c b/target/avr/translate.c index 4ab71d8138..e7f8ced9b3 100644 --- a/target/avr/translate.c +++ b/target/avr/translate.c @@ -1578,7 +1578,6 @@ static bool trans_LDS(DisasContext *ctx, arg_LDS *a) TCGv Rd =3D cpu_r[a->rd]; TCGv addr =3D tcg_temp_new_i32(); TCGv H =3D cpu_rampD; - a->imm =3D next_word(ctx); =20 tcg_gen_mov_tl(addr, H); /* addr =3D H:M:L */ tcg_gen_shli_tl(addr, addr, 16); @@ -1783,7 +1782,6 @@ static bool trans_STS(DisasContext *ctx, arg_STS *a) TCGv Rd =3D cpu_r[a->rd]; TCGv addr =3D tcg_temp_new_i32(); TCGv H =3D cpu_rampD; - a->imm =3D next_word(ctx); =20 tcg_gen_mov_tl(addr, H); /* addr =3D H:M:L */ tcg_gen_shli_tl(addr, addr, 16); diff --git a/target/avr/insn.decode b/target/avr/insn.decode index 482c23ad0c..cc302249db 100644 --- a/target/avr/insn.decode +++ b/target/avr/insn.decode @@ -118,11 +118,8 @@ BRBC 1111 01 ....... ... @op_bit_imm @io_rd_imm .... . .. ..... .... &rd_imm rd=3D%rd imm=3D%io= _imm @ldst_d .. . . .. . rd:5 . ... &rd_imm imm=3D%ldst_d_imm =20 -# The 16-bit immediate is completely in the next word. -# Fields cannot be defined with no bits, so we cannot play -# the same trick and append to a zero-bit value. -# Defer reading the immediate until trans_{LDS,STS}. -@ldst_s .... ... rd:5 .... imm=3D0 +%ldst_imm !function=3Dnext_word +@ldst_s .... ... rd:5 .... imm=3D%ldst_imm =20 MOV 0010 11 . ..... .... @op_rd_rr MOVW 0000 0001 .... .... &rd_rr rd=3D%rd_d rr=3D%r= r_d --=20 2.43.0