Reload question

[Mark Mitchell]

--On Thursday, July 25, 2002 02:21:23 PM +0000 Richard Kenner 
<kenner@vlsi1.ultra.nyu.edu> wrote:

>     In reload, after doing register allocation, we do, in "reload()":
>
>     That mutates the instruction in place, with the possible result that
>     it is no longer recognizable.
>
>     Who is supposed to be responsible for making the instruction
>     recognizable again?
>
> Reload itself.  The insn won't match its constraints.

But this happens *at the end* of reload.  Search for:

   PUT_CODE (reg, MEM)

in reload1.c.

So, where in reload is the instruction supposed to be checked to see
that it is safe to make this transmogrification?

-- 
Mark Mitchell                mark@codesourcery.com
CodeSourcery, LLC            http://www.codesourcery.com