diff options
| author | Måns Rullgård <mans@mansr.com> | 2010-02-09 16:13:29 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-02-09 16:13:29 +0000 |
| commit | 39a760f6789fd0a6a5aad1c96a7b2c125e9f52d3 (patch) | |
| tree | 65820484fda876174575b9b7fb9d567d364c0937 /libavcodec/arm/dsputil_armv6.S | |
| parent | e6056a9008f02382eb593169603e7298e64b84f7 (diff) | |
ARMv6 optimised pix_abs16_x2
Originally committed as revision 21698 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/arm/dsputil_armv6.S')
| -rw-r--r-- | libavcodec/arm/dsputil_armv6.S | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_armv6.S b/libavcodec/arm/dsputil_armv6.S index b86a31fb6f..88591cb116 100644 --- a/libavcodec/arm/dsputil_armv6.S +++ b/libavcodec/arm/dsputil_armv6.S @@ -315,3 +315,58 @@ function ff_pix_abs16_armv6, export=1 add r0, r12, lr pop {r4-r9, pc} .endfunc + +function ff_pix_abs16_x2_armv6, export=1 + ldr r12, [sp] + push {r4-r11, lr} + mov r0, #0 + mov lr, #1 + orr lr, lr, lr, lsl #8 + orr lr, lr, lr, lsl #16 +1: + ldr r8, [r2] + ldr r9, [r2, #4] + lsr r10, r8, #8 + ldr r4, [r1] + lsr r6, r9, #8 + orr r10, r10, r9, lsl #24 + ldr r5, [r2, #8] + eor r11, r8, r10 + uhadd8 r7, r8, r10 + orr r6, r6, r5, lsl #24 + and r11, r11, lr + uadd8 r7, r7, r11 + ldr r8, [r1, #4] + usada8 r0, r4, r7, r0 + eor r7, r9, r6 + lsr r10, r5, #8 + and r7, r7, lr + uhadd8 r4, r9, r6 + ldr r6, [r2, #12] + uadd8 r4, r4, r7 + pld [r1, r3] + orr r10, r10, r6, lsl #24 + usada8 r0, r8, r4, r0 + ldr r4, [r1, #8] + eor r11, r5, r10 + ldrb r7, [r2, #16] + and r11, r11, lr + uhadd8 r8, r5, r10 + ldr r5, [r1, #12] + uadd8 r8, r8, r11 + pld [r2, r3] + lsr r10, r6, #8 + usada8 r0, r4, r8, r0 + orr r10, r10, r7, lsl #24 + subs r12, r12, #1 + eor r11, r6, r10 + add r1, r1, r3 + uhadd8 r9, r6, r10 + and r11, r11, lr + uadd8 r9, r9, r11 + add r2, r2, r3 + usada8 r0, r5, r9, r0 + bgt 1b + + pop {r4-r11, pc} +.endfunc |