Re: [PATCH] [i386] Recompute the frame layout less often

[Daniel Santos <daniel.santos@pobox.com>]

On 05/14/2017 11:31 AM, Bernd Edlinger wrote:
> Hi Daniel,
>
> there is one thing I don't understand in your patch:
> That is, it introduces a static value:
>
> /* Registers who's save & restore will be managed by stubs called from
>      pro/epilogue.  */
> static HARD_REG_SET GTY(()) stub_managed_regs;
>
> This seems to be set as a side effect of ix86_compute_frame_layout,
> and depends on the register usage of the current function.
> But values that depend on the current function need usually be
> attached to cfun->machine, because the passes can run in parallel
> unless I am completely mistaken, and the stub_managed_regs may
> therefore be computed from a different function.
>
>
> Bernd.

I should add that if you want to run faster tests just on the ms to sysv 
abi code, you can use make RUNTESTFLAGS="ms-sysv.exp" check and then if 
that succeeds run the full testsuite.

Daniel