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Re: Minor improvements to alias.c:nonoverlapping_memrefs_p
- To: rth at redhat dot com
- Subject: Re: Minor improvements to alias.c:nonoverlapping_memrefs_p
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- Date: Tue, 13 Nov 01 20:53:00 EST
- Cc: gcc-patches at gcc dot gnu dot org
> I'm sorry, I don't follow: what do you mean by "argument registers" here.
FUNCTION_ARG_REGNO_P.
But why would that be considered as being in the frame? You could pass
a pointer to a global into a function so a dereference of the hard reg
for the input could conflict with a global reference, unlike frame references.