From d2578ff9f1eeec2b31a807d03af5efed2669f71c Mon Sep 17 00:00:00 2001 From: Måns Rullgård Date: Tue, 9 Feb 2010 16:13:34 +0000 Subject: ARMv6 optimised pix_abs8 Originally committed as revision 21700 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/arm/dsputil_armv6.S | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'libavcodec/arm/dsputil_armv6.S') 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 -- cgit v1.2.3