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authorRafael J. Wysocki <rjw@sisk.pl>2009-09-10 00:02:02 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-09-10 00:02:02 +0200
commitbf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd (patch)
treed67f525c76b66956ba7ca0d40bc0fcda0e414700 /arch/avr32/lib/memcpy.S
parent9d7302299ee96ca954fe4ab8ca640333b6e19ad0 (diff)
parent7135a71b19be1faf48b7148d77844d03bc0717d6 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/avr32/lib/memcpy.S')
-rw-r--r--arch/avr32/lib/memcpy.S16
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/avr32/lib/memcpy.S b/arch/avr32/lib/memcpy.S
index 0abb26142b6..c2ca49d705a 100644
--- a/arch/avr32/lib/memcpy.S
+++ b/arch/avr32/lib/memcpy.S
@@ -24,8 +24,8 @@ memcpy:
brne 1f
/* At this point, "from" is word-aligned */
-2: sub r10, 4
- mov r9, r12
+2: mov r9, r12
+5: sub r10, 4
brlt 4f
3: ld.w r8, r11++
@@ -49,6 +49,7 @@ memcpy:
/* Handle unaligned "from" pointer */
1: sub r10, 4
+ movlt r9, r12
brlt 4b
add r10, r9
lsl r9, 2
@@ -59,4 +60,13 @@ memcpy:
st.b r12++, r8
ld.ub r8, r11++
st.b r12++, r8
- rjmp 2b
+ mov r8, r12
+ add pc, pc, r9
+ sub r8, 1
+ nop
+ sub r8, 1
+ nop
+ sub r8, 1
+ nop
+ mov r9, r8
+ rjmp 5b