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Porting GCC troubles : about register window
- From: chen haibo <chbchb1130 at yahoo dot com dot cn>
- To: gcc at gcc dot gnu dot org
- Date: Sun, 28 Sep 2003 22:37:53 +0800 (CST)
- Subject: Porting GCC troubles : about register window
Hi!
I plan to port GCC for a new processor which has 16
sets of registers(8 in each set).Since only one
set is visible at any time so that I can omit the
register protection if the depth the call is not
exceed 16.But the call depth did exceed 16, then I
should reserve all the registers to memory or each set
per time,and in my porting,I must each time to
judge if the call depth exceeds 16.I think it is a
very trouble thing,I wonder if the GCC porting
mechanics has any interface to deal with it or if any
one know how to solve the problem.Wait for help,Thanks all!
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