From c3bdffb0a508ad08d5dfa613c029f368d4293d4c Mon Sep 17 00:00:00 2001 From: Johann Date: Fri, 15 May 2015 11:52:03 -0700 Subject: Move variance functions to vpx_dsp subpel functions will be moved in another patch. Change-Id: Idb2e049bad0b9b32ac42cc7731cd6903de2826ce --- vp8/common/arm/armv6/vp8_variance16x16_armv6.asm | 154 ----------------------- vp8/common/arm/armv6/vp8_variance8x8_armv6.asm | 101 --------------- 2 files changed, 255 deletions(-) delete mode 100644 vp8/common/arm/armv6/vp8_variance16x16_armv6.asm delete mode 100644 vp8/common/arm/armv6/vp8_variance8x8_armv6.asm (limited to 'vp8/common/arm/armv6') diff --git a/vp8/common/arm/armv6/vp8_variance16x16_armv6.asm b/vp8/common/arm/armv6/vp8_variance16x16_armv6.asm deleted file mode 100644 index 39919579f..000000000 --- a/vp8/common/arm/armv6/vp8_variance16x16_armv6.asm +++ /dev/null @@ -1,154 +0,0 @@ -; -; Copyright (c) 2011 The WebM project authors. All Rights Reserved. -; -; Use of this source code is governed by a BSD-style license -; that can be found in the LICENSE file in the root of the source -; tree. An additional intellectual property rights grant can be found -; in the file PATENTS. All contributing project authors may -; be found in the AUTHORS file in the root of the source tree. -; - - - EXPORT |vp8_variance16x16_armv6| - - ARM - REQUIRE8 - PRESERVE8 - - AREA ||.text||, CODE, READONLY, ALIGN=2 - -; r0 unsigned char *src_ptr -; r1 int source_stride -; r2 unsigned char *ref_ptr -; r3 int recon_stride -; stack unsigned int *sse -|vp8_variance16x16_armv6| PROC - - stmfd sp!, {r4-r12, lr} - - pld [r0, r1, lsl #0] - pld [r2, r3, lsl #0] - - mov r8, #0 ; initialize sum = 0 - mov r11, #0 ; initialize sse = 0 - mov r12, #16 ; set loop counter to 16 (=block height) - -loop - ; 1st 4 pixels - ldr r4, [r0, #0] ; load 4 src pixels - ldr r5, [r2, #0] ; load 4 ref pixels - - mov lr, #0 ; constant zero - - usub8 r6, r4, r5 ; calculate difference - pld [r0, r1, lsl #1] - sel r7, r6, lr ; select bytes with positive difference - usub8 r9, r5, r4 ; calculate difference with reversed operands - pld [r2, r3, lsl #1] - sel r6, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r4, r7, lr ; calculate sum of positive differences - usad8 r5, r6, lr ; calculate sum of negative differences - orr r6, r6, r7 ; differences of all 4 pixels - ; calculate total sum - adds r8, r8, r4 ; add positive differences to sum - subs r8, r8, r5 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r5, r6 ; byte (two pixels) to halfwords - uxtb16 r10, r6, ror #8 ; another two pixels to halfwords - smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1) - - ; 2nd 4 pixels - ldr r4, [r0, #4] ; load 4 src pixels - ldr r5, [r2, #4] ; load 4 ref pixels - smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2) - - usub8 r6, r4, r5 ; calculate difference - sel r7, r6, lr ; select bytes with positive difference - usub8 r9, r5, r4 ; calculate difference with reversed operands - sel r6, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r4, r7, lr ; calculate sum of positive differences - usad8 r5, r6, lr ; calculate sum of negative differences - orr r6, r6, r7 ; differences of all 4 pixels - - ; calculate total sum - add r8, r8, r4 ; add positive differences to sum - sub r8, r8, r5 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r5, r6 ; byte (two pixels) to halfwords - uxtb16 r10, r6, ror #8 ; another two pixels to halfwords - smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1) - - ; 3rd 4 pixels - ldr r4, [r0, #8] ; load 4 src pixels - ldr r5, [r2, #8] ; load 4 ref pixels - smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2) - - usub8 r6, r4, r5 ; calculate difference - sel r7, r6, lr ; select bytes with positive difference - usub8 r9, r5, r4 ; calculate difference with reversed operands - sel r6, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r4, r7, lr ; calculate sum of positive differences - usad8 r5, r6, lr ; calculate sum of negative differences - orr r6, r6, r7 ; differences of all 4 pixels - - ; calculate total sum - add r8, r8, r4 ; add positive differences to sum - sub r8, r8, r5 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r5, r6 ; byte (two pixels) to halfwords - uxtb16 r10, r6, ror #8 ; another two pixels to halfwords - smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1) - - ; 4th 4 pixels - ldr r4, [r0, #12] ; load 4 src pixels - ldr r5, [r2, #12] ; load 4 ref pixels - smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2) - - usub8 r6, r4, r5 ; calculate difference - add r0, r0, r1 ; set src_ptr to next row - sel r7, r6, lr ; select bytes with positive difference - usub8 r9, r5, r4 ; calculate difference with reversed operands - add r2, r2, r3 ; set dst_ptr to next row - sel r6, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r4, r7, lr ; calculate sum of positive differences - usad8 r5, r6, lr ; calculate sum of negative differences - orr r6, r6, r7 ; differences of all 4 pixels - - ; calculate total sum - add r8, r8, r4 ; add positive differences to sum - sub r8, r8, r5 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r5, r6 ; byte (two pixels) to halfwords - uxtb16 r10, r6, ror #8 ; another two pixels to halfwords - smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1) - smlad r11, r10, r10, r11 ; dual signed multiply, add and accumulate (2) - - - subs r12, r12, #1 - - bne loop - - ; return stuff - ldr r6, [sp, #40] ; get address of sse - mul r0, r8, r8 ; sum * sum - str r11, [r6] ; store sse - sub r0, r11, r0, lsr #8 ; return (sse - ((sum * sum) >> 8)) - - ldmfd sp!, {r4-r12, pc} - - ENDP - - END - diff --git a/vp8/common/arm/armv6/vp8_variance8x8_armv6.asm b/vp8/common/arm/armv6/vp8_variance8x8_armv6.asm deleted file mode 100644 index 915ee4993..000000000 --- a/vp8/common/arm/armv6/vp8_variance8x8_armv6.asm +++ /dev/null @@ -1,101 +0,0 @@ -; -; Copyright (c) 2011 The WebM project authors. All Rights Reserved. -; -; Use of this source code is governed by a BSD-style license -; that can be found in the LICENSE file in the root of the source -; tree. An additional intellectual property rights grant can be found -; in the file PATENTS. All contributing project authors may -; be found in the AUTHORS file in the root of the source tree. -; - - - EXPORT |vp8_variance8x8_armv6| - - ARM - - AREA ||.text||, CODE, READONLY, ALIGN=2 - -; r0 unsigned char *src_ptr -; r1 int source_stride -; r2 unsigned char *ref_ptr -; r3 int recon_stride -; stack unsigned int *sse -|vp8_variance8x8_armv6| PROC - - push {r4-r10, lr} - - pld [r0, r1, lsl #0] - pld [r2, r3, lsl #0] - - mov r12, #8 ; set loop counter to 8 (=block height) - mov r4, #0 ; initialize sum = 0 - mov r5, #0 ; initialize sse = 0 - -loop - ; 1st 4 pixels - ldr r6, [r0, #0x0] ; load 4 src pixels - ldr r7, [r2, #0x0] ; load 4 ref pixels - - mov lr, #0 ; constant zero - - usub8 r8, r6, r7 ; calculate difference - pld [r0, r1, lsl #1] - sel r10, r8, lr ; select bytes with positive difference - usub8 r9, r7, r6 ; calculate difference with reversed operands - pld [r2, r3, lsl #1] - sel r8, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r6, r10, lr ; calculate sum of positive differences - usad8 r7, r8, lr ; calculate sum of negative differences - orr r8, r8, r10 ; differences of all 4 pixels - ; calculate total sum - add r4, r4, r6 ; add positive differences to sum - sub r4, r4, r7 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r7, r8 ; byte (two pixels) to halfwords - uxtb16 r10, r8, ror #8 ; another two pixels to halfwords - smlad r5, r7, r7, r5 ; dual signed multiply, add and accumulate (1) - - ; 2nd 4 pixels - ldr r6, [r0, #0x4] ; load 4 src pixels - ldr r7, [r2, #0x4] ; load 4 ref pixels - smlad r5, r10, r10, r5 ; dual signed multiply, add and accumulate (2) - - usub8 r8, r6, r7 ; calculate difference - add r0, r0, r1 ; set src_ptr to next row - sel r10, r8, lr ; select bytes with positive difference - usub8 r9, r7, r6 ; calculate difference with reversed operands - add r2, r2, r3 ; set dst_ptr to next row - sel r8, r9, lr ; select bytes with negative difference - - ; calculate partial sums - usad8 r6, r10, lr ; calculate sum of positive differences - usad8 r7, r8, lr ; calculate sum of negative differences - orr r8, r8, r10 ; differences of all 4 pixels - - ; calculate total sum - add r4, r4, r6 ; add positive differences to sum - sub r4, r4, r7 ; subtract negative differences from sum - - ; calculate sse - uxtb16 r7, r8 ; byte (two pixels) to halfwords - uxtb16 r10, r8, ror #8 ; another two pixels to halfwords - smlad r5, r7, r7, r5 ; dual signed multiply, add and accumulate (1) - subs r12, r12, #1 ; next row - smlad r5, r10, r10, r5 ; dual signed multiply, add and accumulate (2) - - bne loop - - ; return stuff - ldr r8, [sp, #32] ; get address of sse - mul r1, r4, r4 ; sum * sum - str r5, [r8] ; store sse - sub r0, r5, r1, ASR #6 ; return (sse - ((sum * sum) >> 6)) - - pop {r4-r10, pc} - - ENDP - - END -- cgit v1.2.3