[PATCH] memcpy-armv7a.S: Improve performance with misaligned buffers.

[Will Newton]

Adjust the conditions for entering the aligned copy loop to
improve performance on mutually misaligned buffer copies.

2013-06-28  Will Newton  <will.newton@linaro.org>

	* libc/machine/arm/memcpy-armv7a.S: Adjust entry to
	 aligned loop to improve misaligned copy performance.
---
 newlib/libc/machine/arm/memcpy-armv7a.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/newlib/libc/machine/arm/memcpy-armv7a.S b/newlib/libc/machine/arm/memcpy-armv7a.S
index de5bf9a..cd7962e 100644
--- a/newlib/libc/machine/arm/memcpy-armv7a.S
+++ b/newlib/libc/machine/arm/memcpy-armv7a.S
@@ -242,8 +242,8 @@ def_fn memcpy p2align=6
 .Lcpy_not_short:
 	/* At least 64 bytes to copy, but don't know the alignment yet.  */
 	str	tmp2, [sp, #-FRAME_SIZE]!
-	and	tmp2, src, #3
-	and	tmp1, dst, #3
+	and	tmp2, src, #7
+	and	tmp1, dst, #7
 	cmp	tmp1, tmp2
 	bne	.Lcpy_notaligned

-- 
1.8.1.4