search for: swu

Is it possible to create a Startup Item for WEBrick? My startup item, named swu, works fine when I run it from the command line, just not when the computer is starting up. I''m wondering if some resources are missing for ruby to load at this point... or something. Here''s output from /var/log/system.log... Any suggestions would be appreciated. Aug 18 21:18:...

...ns and having add produce real UB I can see is that as soon as we start moving instructions around (specifically moving the add to a place it does not dominate or moving any other instruction over the add) we change the add to an instruction that does not produce real UB anymore; something like add swu = “add signed wrap gives undef”... > > - Matthias > >> On Jan 29, 2015, at 11:29 AM, Sanjoy Das <sanjoy at playingwithpointers.com> wrote: >> >>> I've been discussing a model with David that might steer poison back towards >>> something that simply s...

...ns and having add produce real UB I can see is that as soon as we start moving instructions around (specifically moving the add to a place it does not dominate or moving any other instruction over the add) we change the add to an instruction that does not produce real UB anymore; something like add swu = “add signed wrap gives undef”... - Matthias > On Jan 29, 2015, at 11:29 AM, Sanjoy Das <sanjoy at playingwithpointers.com> wrote: > >> I've been discussing a model with David that might steer poison back towards >> something that simply supports algebraic simplifica...

> I've been discussing a model with David that might steer poison back towards > something that simply supports algebraic simplification. If we have a math > operation that cannot wrap, then it notionally produces as many bits of > undef as the operation could possibly produce. For example, "add nsw i8" can > produce an i9 undef, and "mul nsw i8" can produce

...ns and having add produce real UB I can see is that as soon as we start moving instructions around (specifically moving the add to a place it does not dominate or moving any other instruction over the add) we change the add to an instruction that does not produce real UB anymore; something like add swu = “add signed wrap gives undef”... >> >> - Matthias >> >>>> On Jan 29, 2015, at 11:29 AM, Sanjoy Das <sanjoy at playingwithpointers.com> wrote: >>>> >>>> I've been discussing a model with David that might steer poison back towards &...

...ns and having add produce real UB I can see is that as soon as we start moving instructions around (specifically moving the add to a place it does not dominate or moving any other instruction over the add) we change the add to an instruction that does not produce real UB anymore; something like add swu = “add signed wrap gives undef”... >>> >>> - Matthias >>> >>>>> On Jan 29, 2015, at 11:29 AM, Sanjoy Das <sanjoy at playingwithpointers.com> wrote: >>>>> >>>>> I've been discussing a model with David that might steer...

...ns and having add produce real UB I can see is that as soon as we start moving instructions around (specifically moving the add to a place it does not dominate or moving any other instruction over the add) we change the add to an instruction that does not produce real UB anymore; something like add swu = “add signed wrap gives undef”... >>>> >>>> - Matthias >>>> >>>>>> On Jan 29, 2015, at 11:29 AM, Sanjoy Das <sanjoy at playingwithpointers.com> wrote: >>>>>> >>>>>> I've been discussing a model with...

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