On 01/30/2018 12:23 AM, Uros Bizjak wrote:
> On Tue, Jan 30, 2018 at 5:48 AM, Jeff Law wrote:
>>
>>
>>
>> stack-clash-protection will sometimes force a prologue to use pushes to
>> save registers. We try to limit how often that happens as it constrains
>> options for generating efficient prologue
On Tue, Jan 30, 2018 at 5:48 AM, Jeff Law wrote:
>
>
>
> stack-clash-protection will sometimes force a prologue to use pushes to
> save registers. We try to limit how often that happens as it constrains
> options for generating efficient prologue sequences for common cases.
>
> We check the value
stack-clash-protection will sometimes force a prologue to use pushes to
save registers. We try to limit how often that happens as it constrains
options for generating efficient prologue sequences for common cases.
We check the value of TO_ALLOCATE in ix86_compute_frame_layout and if
it's great
