From: Alexei Starovoitov
Date: Mon, 24 Apr 2017 20:18:56 -0700
> all gcc-ism actually gives confidence that most likely
> it's all good and battle proven logic :)
Yes, this is old code written 15 years ago :)
I'll fix up the spaces.
On 4/24/17 7:53 PM, David Miller wrote:
Doing a full 64-bit decomposition is really stupid especially for
simple values like 0 and -1.
But if we are going to optimize this, go all the way and try for all 2
and 3 instruction sequences not requiring a temporary register as
well.
Signed-off-by: D
Doing a full 64-bit decomposition is really stupid especially for
simple values like 0 and -1.
But if we are going to optimize this, go all the way and try for all 2
and 3 instruction sequences not requiring a temporary register as
well.
Signed-off-by: David S. Miller
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This one is dedicated
