Re: LuaJIT - Trace aborted again

[David Kastrup <dak@...>]

Benjamin Segovia <segovia.benjamin@gmail.com> writes:

> Hello all,
> still in the context of asm-from-one-machine to lua translation, I am
> facing some difficulties.
> For various reasons (mostly because the machine I am simulating is a
> SIMD vector machine), I need to handle forward jumps with the idiom:
>
> while true do
> {... a lot of compute ...}
> if some_condition_on_the_lane_of_the_simd_vector then break end
> {... a lot of compute ...}
> break -- this one is to exit anyway
> end
>
> So, basic blocks are handled with these idioms.

That's not a nice idiom.  Perhaps

repeat
...
until false

is better recognizable to luajit?  That way the fall-through exit is
more conspicuous.  And since it is more idiomatic, chances are better
that Mike caters for this...

-- 
David Kastrup