Author: Zack Weinberg Date: To: pcre-dev Subject: Re: [pcre-dev] doubtful code in compile_branch()
On Thu, May 8, 2008 at 4:23 AM, Philip Hazel <ph10@???> wrote: > On Wed, 7 May 2008, Zack Weinberg wrote:
>
>> Upward-growing stacks would help in the typical case but have their
>> own headaches (not least that very few CPUs are set up to do it).
>
> OK, thanks, so my question really is "why don't CPUs support upward
> growing stacks?" :-)
I don't know any good reason :-/ I would believe it's a case of
"someone in the dark ages made an arbitrary choice and everyone since
has copied it."
