diff options
| author | Måns Rullgård <mans@mansr.com> | 2010-02-09 16:13:34 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-02-09 16:13:34 +0000 |
| commit | d2578ff9f1eeec2b31a807d03af5efed2669f71c (patch) | |
| tree | b846c10fd6db994f0819e72329d6a4812d7c15e3 /libavcodec/arm/dsputil_armv6.S | |
| parent | 74cc33c2354c24986dc5332a7aeb1a9516a1d0c5 (diff) | |
ARMv6 optimised pix_abs8
Originally committed as revision 21700 to svn://svn.ffmpeg.org/ffmpeg/trunk
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 5f4f5e43c9..2efa3d5983 100644 --- a/libavcodec/arm/dsputil_armv6.S +++ b/libavcodec/arm/dsputil_armv6.S @@ -428,3 +428,33 @@ function ff_pix_abs16_y2_armv6, export=1 pop {r4-r11, pc} .endfunc + +function ff_pix_abs8_armv6, export=1 + pld [r2, r3] + ldr r12, [sp] + push {r4-r9, lr} + mov r0, #0 + mov lr, #0 + ldrd r4, r5, [r1], r3 +1: + subs r12, r12, #2 + ldr r7, [r2, #4] + ldr r6, [r2], r3 + ldrd r8, r9, [r1], r3 + usada8 r0, r4, r6, r0 + pld [r2, r3] + usada8 lr, r5, r7, lr + ldr r7, [r2, #4] + ldr r6, [r2], r3 + beq 2f + ldrd r4, r5, [r1], r3 + usada8 r0, r8, r6, r0 + pld [r2, r3] + usada8 lr, r9, r7, lr + b 1b +2: + usada8 r0, r8, r6, r0 + usada8 lr, r9, r7, lr + add r0, r0, lr + pop {r4-r9, pc} +.endfunc |