Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" Newsgroups: comp.lang.c,comp.lang.c++ Subject: Re: Can someone please verify the execution trace of this? Date: Mon, 20 May 2024 14:09:33 -0700 Organization: A noiseless patient Spider Lines: 94 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Mon, 20 May 2024 23:09:35 +0200 (CEST) Injection-Info: dont-email.me; posting-host="c64270d287de33e0b6496e257486af9b"; logging-data="203248"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19Q4I52tP+Cq4KcgAPVoZe3hsDpIQea1m4=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:n0waTHRe+fWu2ZYjtapjpPZpuSY= Content-Language: en-US In-Reply-To: Bytes: 4792 On 5/20/2024 2:05 PM, Chris M. Thomasson wrote: > On 5/20/2024 1:52 PM, olcott wrote: >> On 5/20/2024 3:38 PM, Chris M. Thomasson wrote: >>> On 5/20/2024 1:36 PM, olcott wrote: >>>> On 5/20/2024 3:32 PM, Chris M. Thomasson wrote: >>>>> On 5/20/2024 1:31 PM, Chris M. Thomasson wrote: >>>>>> On 5/20/2024 1:30 PM, olcott wrote: >>>>>>> On 5/20/2024 3:19 PM, Chris M. Thomasson wrote: >>>>>>>> On 5/20/2024 1:10 PM, olcott wrote: >>>>>>>>> On 5/20/2024 3:04 PM, Chris M. Thomasson wrote: >>>>> [...] >>>>>>>> So, you created a simulator for x86? 32-bit I am assuming. Fwiw, >>>>>>>> I am interested on how you simulate the cmpxchg8b and/or the >>>>>>>> cmpxchg16b functions? >>>>>>>> >>>>>>> >>>>>>> I use libx86emu providing an interface so that any C function >>>>>>> can simulate any other C function in debug step mode. The >>>>>>> original H can even simulated itself simulating P. >>>>>> >>>>>> Can you show me a sample H? Is H a little program? >>>>> [...] >>>>> >>>>> I notice this: >>>>> >>>>> >>>>> typedef int (*ptr)();  // ptr is pointer to int function >>>>> 00 int H(ptr p, ptr i); >>>>> 01 int D(ptr p) >>>>> 02 { >>>>> 03   int Halt_Status = H(p, p); >>>>> 04   if (Halt_Status) >>>>> 05     HERE: goto HERE; >>>>> 06   return Halt_Status; >>>>> 07 } >>>>> 08 >>>>> 09 int main() >>>>> 10 { >>>>> 11   H(D,D); >>>>> 12   return 0; >>>>> 13 } >>>>> >>>>> But, where is H? >>>>> >>>> >>>> *IF YOU NEED TO RE0READ THIS 500 TIMES TO GET IT PLEASE DO* >>>> *IF YOU NEED TO RE0READ THIS 500 TIMES TO GET IT PLEASE DO* >>>> *IF YOU NEED TO RE0READ THIS 500 TIMES TO GET IT PLEASE DO* >>> >>> I still cannot find even a simple example definition of H. >>> >> >> THIS IS 100% OF ALL OF THE REQUIREMENTS FOR H >> H correctly simulates D with an x86 emulator. >> everything else about H is wide open. >> >> H plays a game of tic-tac-toe and then >> H correctly simulates D with an x86 emulator. >> >> Have you ever heard of infinite sets? > > Ever heard of the natural numbers? > > >> Of everyone in the world that has a mole >> exactly where is this mole on their body? > > So, are you creating a halt decider that is correct or not? If not, > what's the damn point? > > >> >>>> >>>> Every element of an infinite set of H/D pairs matching the above >>>> template where H correctly simulates 1 to ∞ steps of D thus including > > So, it can simulate to infinity, then tell you an answer? You should consult these guys. The first encyclopedia of all numbers! https://youtu.be/rVtHrgdcvZA > > > >>>> 0 to ∞ recursive simulations of H simulating itself simulating D. >>>> *D correctly simulated by H never reaches its own line 06 and halts* >>>> >>> >> >