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-rw-r--r--libavcodec/arm/dsputil_armv6.S25
-rw-r--r--libavcodec/arm/dsputil_init_armv6.c2
2 files changed, 27 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_armv6.S b/libavcodec/arm/dsputil_armv6.S
index ffe6c42252..acdfa12fdc 100644
--- a/libavcodec/arm/dsputil_armv6.S
+++ b/libavcodec/arm/dsputil_armv6.S
@@ -594,3 +594,28 @@ function ff_pix_norm1_armv6, export=1
mov r0, lr
pop {r4-r6, pc}
.endfunc
+
+function ff_pix_sum_armv6, export=1
+ push {r4-r7, lr}
+ mov r12, #16
+ mov r2, #0
+ mov r3, #0
+ mov lr, #0
+ ldr r4, [r0]
+1:
+ subs r12, r12, #1
+ ldr r5, [r0, #4]
+ usada8 r2, r4, lr, r2
+ ldr r6, [r0, #8]
+ usada8 r3, r5, lr, r3
+ ldr r7, [r0, #12]
+ usada8 r2, r6, lr, r2
+ beq 2f
+ ldr r4, [r0, r1]!
+ usada8 r3, r7, lr, r3
+ bgt 1b
+2:
+ usada8 r3, r7, lr, r3
+ add r0, r2, r3
+ pop {r4-r7, pc}
+.endfunc
diff --git a/libavcodec/arm/dsputil_init_armv6.c b/libavcodec/arm/dsputil_init_armv6.c
index 6892e00774..3209062e59 100644
--- a/libavcodec/arm/dsputil_init_armv6.c
+++ b/libavcodec/arm/dsputil_init_armv6.c
@@ -68,6 +68,7 @@ int ff_sse16_armv6(void *s, uint8_t *blk1, uint8_t *blk2,
int line_size, int h);
int ff_pix_norm1_armv6(uint8_t *pix, int line_size);
+int ff_pix_sum_armv6(uint8_t *pix, int line_size);
void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
{
@@ -116,4 +117,5 @@ void av_cold ff_dsputil_init_armv6(DSPContext* c, AVCodecContext *avctx)
c->sse[0] = ff_sse16_armv6;
c->pix_norm1 = ff_pix_norm1_armv6;
+ c->pix_sum = ff_pix_sum_armv6;
}