On 04/29/2016 04:12 PM, Dominik Vogt wrote:
The attached patch removes excess stack space allocation with
alloca in some situations. Plese check the commit message in the
patch for details.
Ciao
Dominik ^_^ ^_^
-- Dominik Vogt IBM Germany
0001-ChangeLog
gcc/ChangeLog
* explow.c (round_push): Use know adjustment.
(allocate_dynamic_stack_space): Pass known adjustment to round_push.
If I understand the state of this patch correctly, you're working on
another iteration, so I'm not going to dig into this version.
However, I would strongly recommend some tests, even if they are target
specific. You can always copy pr36728-1 into the s390x directory and
look at size of the generated stack. Simliarly for pr50938 for x86.
jeff
