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Re: rs6000 sibcall test


On 06-Sep-2002, Alan Modra <amodra@bigpond.net.au> wrote:
> rs6000.c:function_ok_for_sibcall tests TREE_ASM_WRITTEN, like alpha.
> I can't see why, at least for powerpc64-linux.  Can someone show me
> why it matters?

Perhaps because of the same kind of issue that prevents sibcalls
with -fpic on x86?  On rs6000 with the AIX ABI, all code is
position-independent, so maybe there is the same issue.

But that's for the AIX ABI.  Maybe it's not appropriate for Linux.

(I'm just guessing here!)

-- 
Fergus Henderson <fjh@cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.


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