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Re: [PATCH]: Sparc SUN4V Niagara optimize memset/memcpy


> It ususally takes about a week for a config.sub patch get handled,
> integrated, and propagated into the necessary trees.  Nothing impedes
> forward progress quite like this thing.

Sorry.  I take them as soon as it's agreed to by config-patches.

> I thought "machine=" takes a file path name, not a list of compatible
> targets.  For example:

It's a directory name, not a list, yes.  But all directories always imply
their parents.
 
> sparcv8plus | sparcv8plusa | sparcv9)
> 		base_machine=sparc machine=sparc/sparc32/sparcv9 ;;
> 
> I read that as meaning: search ${foo}/sparc/sparc32/sparcv9, else
> ${foo}/sparc/sparc32, else ${foo}/sparc

Try --enable-debug-configure.  The sysdeps directory list is an ordered
list of many directories.  That gets */sparc/sparc32/sparcv9 if it exists,
followed by */sparc/sparc32 if it exists, followed by */sparc if it exists.
Since something can't exist without its containing directory existing too,
you'll always get a trailing subset of that list.


Thanks,
Roland


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