diff options
Diffstat (limited to 'libavcodec/arm/dsputil_armv6.S')
| -rw-r--r-- | libavcodec/arm/dsputil_armv6.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_armv6.S b/libavcodec/arm/dsputil_armv6.S index 161a387f95..ffe6c42252 100644 --- a/libavcodec/arm/dsputil_armv6.S +++ b/libavcodec/arm/dsputil_armv6.S @@ -564,3 +564,33 @@ function ff_sse16_armv6, export=1 pop {r4-r9, pc} .endfunc + +function ff_pix_norm1_armv6, export=1 + push {r4-r6, lr} + mov r12, #16 + mov lr, #0 +1: + ldm r0, {r2-r5} + uxtb16 r6, r2 + uxtb16 r2, r2, ror #8 + smlad lr, r6, r6, lr + uxtb16 r6, r3 + smlad lr, r2, r2, lr + uxtb16 r3, r3, ror #8 + smlad lr, r6, r6, lr + uxtb16 r6, r4 + smlad lr, r3, r3, lr + uxtb16 r4, r4, ror #8 + smlad lr, r6, r6, lr + uxtb16 r6, r5 + smlad lr, r4, r4, lr + uxtb16 r5, r5, ror #8 + smlad lr, r6, r6, lr + subs r12, r12, #1 + add r0, r0, r1 + smlad lr, r5, r5, lr + bgt 1b + + mov r0, lr + pop {r4-r6, pc} +.endfunc |