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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-14 17:24:51 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-14 17:24:51 -0400
commit7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (patch)
tree0248fb8f7a3e445cc3c744252abeecabb9205c05 /arch/avr32/lib/findbit.S
parentb6825d2df55aa7d7341c715b577b73a6a03dc944 (diff)
parentd5120ae72a066b18f98e0c45ce73262f58030851 (diff)
Merge branch 's3c-move' into devel
Conflicts: arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/avr32/lib/findbit.S')
-rw-r--r--arch/avr32/lib/findbit.S30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/avr32/lib/findbit.S b/arch/avr32/lib/findbit.S
index c6b91dee857c..997b33b2288a 100644
--- a/arch/avr32/lib/findbit.S
+++ b/arch/avr32/lib/findbit.S
@@ -123,6 +123,36 @@ ENTRY(find_next_bit)
123 brgt 1b 123 brgt 1b
124 retal r11 124 retal r11
125 125
126ENTRY(generic_find_next_le_bit)
127 lsr r8, r10, 5
128 sub r9, r11, r10
129 retle r11
130
131 lsl r8, 2
132 add r12, r8
133 andl r10, 31, COH
134 breq 1f
135
136 /* offset is not word-aligned. Handle the first (32 - r10) bits */
137 ldswp.w r8, r12[0]
138 sub r12, -4
139 lsr r8, r8, r10
140 brne .L_found
141
142 /* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
143 add r9, r10
144 sub r9, 32
145 retle r11
146
147 /* Main loop. offset must be word-aligned */
1481: ldswp.w r8, r12[0]
149 cp.w r8, 0
150 brne .L_found
151 sub r12, -4
152 sub r9, 32
153 brgt 1b
154 retal r11
155
126ENTRY(generic_find_next_zero_le_bit) 156ENTRY(generic_find_next_zero_le_bit)
127 lsr r8, r10, 5 157 lsr r8, r10, 5
128 sub r9, r11, r10 158 sub r9, r11, r10