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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id ch16-20020a5d5d10000000b0033b58cbf3ebsm8752531wrb.26.2024.02.12.23.20.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Feb 2024 23:20:13 -0800 (PST) Message-ID: <24574398-1388-49a4-b51c-51d1496bc228@suse.com> Date: Tue, 13 Feb 2024 08:20:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Defined illegal instruction Content-Language: en-US To: jacob navia References: <4EF79A76-0C4A-492C-95E5-F12B338F637D@jacob.remcomp.fr> <6c936101-c79a-40b0-b627-cc6d8e741d43@linux.ibm.com> <80629157-361A-457F-81E1-21D2D23DD99F@jacob.remcomp.fr> <924c9ff6-4583-40b7-8099-4c48baf4dbaf@suse.com> Cc: Binutils From: Jan Beulich Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3025.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 12.02.2024 21:43, jacob navia wrote: > In my machine, the code you proposed gives « unrecognized opcode. Are you sure ? > > I just copy/pasted the exact code that you sent me. I didn't send you any code. What I sent you was a reference to a directive, which of course needs using with appropriate operands. Without you quoting what you actually used, I can also only guess that maybe you omitted the leading dot; else I couldn't explain "unrecognized opcode". Further, two formal requests: Please don't send private mail on technical matters. You started this thread on the binutils list. It should remain there. I've therefore restored at least that Cc. Second: Please don't top-post. Jan >> Le 12 févr. 2024 à 08:29, Jan Beulich a écrit : >> >> On 10.02.2024 13:56, jacob navia wrote: >>> OK. So now we have: >>> >>> unimp and >>> c.unimp >>> >>> Both generate 16 bit zeroes if the C extension is present. >>> >>> If the C extension is not present, >>> unimp generates >>> >>> csrw cycle, x0 >>> >>> If we want to generate the defined unimplemented instruction in 32 bis we write >>> >>> .long 0 >>> >>> As in the power PC. >> >> Except that on RISC-V (and other architectures separating code from data >> by special labels, like Arm) you want to use .insn. Iirc this also ensures >> debug line info would be properly emitted, if enabled. >> >> Jan > >