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authorRafael J. Wysocki <rjw@sisk.pl>2009-09-09 18:02:02 -0400
committerRafael J. Wysocki <rjw@sisk.pl>2009-09-09 18:02:02 -0400
commitbf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd (patch)
treed67f525c76b66956ba7ca0d40bc0fcda0e414700 /arch/avr32/lib
parent9d7302299ee96ca954fe4ab8ca640333b6e19ad0 (diff)
parent7135a71b19be1faf48b7148d77844d03bc0717d6 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/avr32/lib')
-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 0abb26142b64..c2ca49d705af 100644
--- a/arch/avr32/lib/memcpy.S
+++ b/arch/avr32/lib/memcpy.S
@@ -24,8 +24,8 @@ memcpy:
24 brne 1f 24 brne 1f
25 25
26 /* At this point, "from" is word-aligned */ 26 /* At this point, "from" is word-aligned */
272: sub r10, 4 272: mov r9, r12
28 mov r9, r12 285: sub r10, 4
29 brlt 4f 29 brlt 4f
30 30
313: ld.w r8, r11++ 313: ld.w r8, r11++
@@ -49,6 +49,7 @@ memcpy:
49 49
50 /* Handle unaligned "from" pointer */ 50 /* Handle unaligned "from" pointer */
511: sub r10, 4 511: sub r10, 4
52 movlt r9, r12
52 brlt 4b 53 brlt 4b
53 add r10, r9 54 add r10, r9
54 lsl r9, 2 55 lsl r9, 2
@@ -59,4 +60,13 @@ memcpy:
59 st.b r12++, r8 60 st.b r12++, r8
60 ld.ub r8, r11++ 61 ld.ub r8, r11++
61 st.b r12++, r8 62 st.b r12++, r8
62 rjmp 2b 63 mov r8, r12
64 add pc, pc, r9
65 sub r8, 1
66 nop
67 sub r8, 1
68 nop
69 sub r8, 1
70 nop
71 mov r9, r8
72 rjmp 5b