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Re: [PATCH][ARM] use vsel instruction for floating point conditional moves in ARMv8


On 04/04/13 08:46, Richard Biener wrote:
On Wed, 3 Apr 2013, Matthew Gretton-Dann wrote:

Would it be possible for this patch and the others Kyrylo has recently done
for the new ARMv8 AArch32 instructions to be backported to 4.8?

In particular I'm refering to:

http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00994.html (trunk r197052)
http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00874.html (trunk r197051)
http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00873.html (trunk r197046)




Those seem to be new features and not regression fixes and thus are
not appropriate for a release branch.

Not all of them really, http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00652.html is really a target bug fix which causes mild annoyance once a while. I do believe that Kyryll was looking at proposing a backport of this patch (and there is a bugzilla entry for this one.)

I am sympathetic to the new atomics for v8-a and I've heard atleast one request for it privately (i.e. this one http://gcc.gnu.org/ml/gcc-patches/2013-03/msg00874.html) but I'd defer to the RM's on that one.

regards
Ramana



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