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Re: [Patch, MIPS] Modify memset.S for mips32r6/mips64r6
- From: Joseph Myers <joseph at codesourcery dot com>
- To: Steve Ellcey <sellcey at imgtec dot com>
- Cc: <libc-alpha at sourceware dot org>
- Date: Mon, 22 Dec 2014 20:02:01 +0000
- Subject: Re: [Patch, MIPS] Modify memset.S for mips32r6/mips64r6
- Authentication-results: sourceware.org; auth=none
- References: <2923c970-026c-4e00-be7a-0650e82421b5 at BAMAIL02 dot ba dot imgtec dot org> <alpine dot DEB dot 2 dot 10 dot 1412221759370 dot 5278 at digraph dot polyomino dot org dot uk> <1419276035 dot 27606 dot 60 dot camel at ubuntu-sellcey>
On Mon, 22 Dec 2014, Steve Ellcey wrote:
> I considered changing the alignment code to only align on a 4 byte
> boundary for O32 mode, or ifdef'ing this test but it seemed cleaner to
> increase the minimum size of buffers that get handled via a simple byte
> copy loop for both r6 and earlier CPU's.
In that case, submit the change as a preparatory patch, with its own
justification for being OK for existing CPUs (that it doesn't affect
performance, or whatever), so that the r6 patch can avoid changing pre-r6
code.
--
Joseph S. Myers
joseph@codesourcery.com