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From: olcott <polcott333@gmail.com>
Newsgroups: comp.lang.c++,comp.lang.c
Subject: Re: D correctly simulated by H never halts
Date: Wed, 29 May 2024 08:34:43 -0500
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On 5/28/2024 11:54 PM, Chris M. Thomasson wrote:
> On 5/28/2024 8:29 PM, olcott wrote:
>> On 5/28/2024 10:05 PM, Chris M. Thomasson wrote:
> [...]
>>> too vague? Oh that is rich.
>>
>> I had to start specifying the x86 language because dozens of reviewers
>> believed that D correctly simulated by H was supposed to report on the
>> behavior of non-input: int main() { D(D); }
>>
>> It was only that I could show that this would require simulating
>> the x86 instructions of D incorrectly or in the wrong order that
>> I could prove that they were wrong. Their mistake was my primary
>> rebuttal for two years.
>>
> 
> How do you simulate cmpxchg8b?

That is not an x86 instruction it is an x64 instruction
https://phoenixnap.com/kb/x64-vs-x86

https://www.felixcloutier.com/x86/cmpxchg8b:cmpxchg16b

-- 
Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer