Hi Christophe, > > Align the hot loops in our assembly implementation of memset() > > and backwards_memcpy(). > > > > backwards_memcpy() is called from tcp_v4_rcv(), so we might > > want to optimise this a little more. > > > > Signed-off-by: Anton Blanchard <an...@samba.org> > > Shouldn't this patch be titled powerpc/64, as powerpc32 has a > different memset() ?
Yeah, good point. Michael can you make this change if you choose to merge it? Anton > > --- > > arch/powerpc/lib/mem_64.S | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S > > index 43435c6..eda7a96 100644 > > --- a/arch/powerpc/lib/mem_64.S > > +++ b/arch/powerpc/lib/mem_64.S > > @@ -37,6 +37,7 @@ _GLOBAL(memset) > > clrldi r5,r5,58 > > mtctr r0 > > beq 5f > > + .balign 16 > > 4: std r4,0(r6) > > std r4,8(r6) > > std r4,16(r6) > > @@ -90,6 +91,7 @@ _GLOBAL(backwards_memcpy) > > andi. r0,r6,3 > > mtctr r7 > > bne 5f > > + .balign 16 > > 1: lwz r7,-4(r4) > > lwzu r8,-8(r4) > > stw r7,-4(r6) > > >
