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| author | Anton Blanchard <anton@samba.org> | 2016-08-04 16:53:22 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-10-04 16:08:19 +1100 |
| commit | 12ab11a2c09b30c1938c8e82e53908f8a33426d5 (patch) | |
| tree | 83403079ff95b234b9c7cfc158c501b7d6212e43 | |
| parent | e0319829a9f2be5866fba2ba7818cb20b13b0817 (diff) | |
| download | op-kernel-dev-12ab11a2c09b30c1938c8e82e53908f8a33426d5.zip op-kernel-dev-12ab11a2c09b30c1938c8e82e53908f8a33426d5.tar.gz | |
powerpc/64: Align hot loops of memset() and backwards_memcpy()
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 <anton@samba.org>
Reviewed-by: Nick Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/lib/mem_64.S | 2 |
1 files changed, 2 insertions, 0 deletions
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) |
