X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=arch%2Favr32%2Flib%2Ffindbit.S;h=997b33b2288a6989aa3bdac94b0417967d7f6208;hp=2b4856f4bf7c697f0dbaaae2c329c5f65e00ffe7;hb=4c07ab0fe4b4eaa0fc31f640ca65da7c173f5043;hpb=dd77a4ee0f3981693d4229aa1d57cea9e526ff47

diff --git a/arch/avr32/lib/findbit.S b/arch/avr32/lib/findbit.S
index 2b4856f4bf7c..997b33b2288a 100644
--- a/arch/avr32/lib/findbit.S
+++ b/arch/avr32/lib/findbit.S
@@ -123,7 +123,7 @@ ENTRY(find_next_bit)
 	brgt	1b
 	retal	r11
 
-ENTRY(generic_find_next_zero_le_bit)
+ENTRY(generic_find_next_le_bit)
 	lsr	r8, r10, 5
 	sub	r9, r11, r10
 	retle	r11
@@ -152,3 +152,34 @@ ENTRY(generic_find_next_zero_le_bit)
 	sub	r9, 32
 	brgt	1b
 	retal	r11
+
+ENTRY(generic_find_next_zero_le_bit)
+	lsr	r8, r10, 5
+	sub	r9, r11, r10
+	retle	r11
+
+	lsl	r8, 2
+	add	r12, r8
+	andl	r10, 31, COH
+	breq	1f
+
+	/* offset is not word-aligned. Handle the first (32 - r10) bits */
+	ldswp.w	r8, r12[0]
+	sub	r12, -4
+	com	r8
+	lsr	r8, r8, r10
+	brne	.L_found
+
+	/* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+	add	r9, r10
+	sub	r9, 32
+	retle	r11
+
+	/* Main loop. offset must be word-aligned */
+1:	ldswp.w	r8, r12[0]
+	com	r8
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11