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Re: [PowerPC/23404] gij trashes args of functions

Alan Modra writes:
 > On Mon, Sep 05, 2005 at 02:51:32PM +0100, Andrew Haley wrote:
 > > While we're looking at PowerPC libffi, isn't this
 > > 
 > >   unsigned *next_arg = stack + 2;
 > > 
 > > ...
 > > 
 > > 	      *(double *)next_arg = double_tmp;
 > > 
 > > an aliasing bug?
 > 
 > I don't think so.  The memory pointed to by next_arg is not read or
 > written by anything else in the function.

Sure, but there's no need for gcc to generate any code at all for that
assignment, is there?

Andrew.
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