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Re: Fix i386 memcpy/memset expanders

> On Wed, Dec 31, 2003 at 08:19:27PM +0100, Jan Hubicka wrote:
> > 	* i386.md (movstr expander): Enable when optimizing for size.
> 
> I presume this came from Roger's work that showed that rep movs
> plus associated setup code is larger than the libcall.

Then we should honnor -minline-all-stringops and document it.
I see that for small testcase containing the rep;movs produces 2 bytes
longer code, but on the other hand it don't have problems with call
clobbering and producing more register spills.  Did we tested this more
seriously?

Honza
> 
> 
> r~
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