diff options
Diffstat (limited to 'third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm')
| -rw-r--r-- | third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm b/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm deleted file mode 100644 index 1e5c9178e..000000000 --- a/third_party/aom/aom_dsp/arm/variance_halfpixvar16x16_h_media.asm +++ /dev/null @@ -1,185 +0,0 @@ -; -; Copyright (c) 2016, Alliance for Open Media. All rights reserved -; -; This source code is subject to the terms of the BSD 2 Clause License and -; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License -; was not distributed with this source code in the LICENSE file, you can -; obtain it at www.aomedia.org/license/software. If the Alliance for Open -; Media Patent License 1.0 was not distributed with this source code in the -; PATENTS file, you can obtain it at www.aomedia.org/license/patent. -; - -; - - - EXPORT |aom_variance_halfpixvar16x16_h_media| - - 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 -|aom_variance_halfpixvar16x16_h_media| PROC - - stmfd sp!, {r4-r12, lr} - - pld [r0, r1, lsl #0] - pld [r2, r3, lsl #0] - - mov r8, #0 ; initialize sum = 0 - ldr r10, c80808080 - mov r11, #0 ; initialize sse = 0 - mov r12, #16 ; set loop counter to 16 (=block height) - mov lr, #0 ; constant zero -loop - ; 1st 4 pixels - ldr r4, [r0, #0] ; load 4 src pixels - ldr r6, [r0, #1] ; load 4 src pixels with 1 byte offset - ldr r5, [r2, #0] ; load 4 ref pixels - - ; bilinear interpolation - mvn r6, r6 - uhsub8 r4, r4, r6 - eor r4, r4, r10 - - usub8 r6, r4, r5 ; calculate difference - pld [r0, r1, lsl #1] - sel r7, r6, lr ; select bytes with positive difference - usub8 r6, r5, r4 ; calculate difference with reversed operands - pld [r2, r3, lsl #1] - sel r6, r6, 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 r7, 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 r6, [r0, #5] ; load 4 src pixels with 1 byte offset - ldr r5, [r2, #4] ; load 4 ref pixels - - ; bilinear interpolation - mvn r6, r6 - uhsub8 r4, r4, r6 - eor r4, r4, r10 - - smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2) - - usub8 r6, r4, r5 ; calculate difference - sel r7, r6, lr ; select bytes with positive difference - usub8 r6, r5, r4 ; calculate difference with reversed operands - sel r6, r6, 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 r7, 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 r6, [r0, #9] ; load 4 src pixels with 1 byte offset - ldr r5, [r2, #8] ; load 4 ref pixels - - ; bilinear interpolation - mvn r6, r6 - uhsub8 r4, r4, r6 - eor r4, r4, r10 - - smlad r11, r7, r7, r11 ; dual signed multiply, add and accumulate (2) - - usub8 r6, r4, r5 ; calculate difference - sel r7, r6, lr ; select bytes with positive difference - usub8 r6, r5, r4 ; calculate difference with reversed operands - sel r6, r6, 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 r7, 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 r6, [r0, #13] ; load 4 src pixels with 1 byte offset - ldr r5, [r2, #12] ; load 4 ref pixels - - ; bilinear interpolation - mvn r6, r6 - uhsub8 r4, r4, r6 - eor r4, r4, r10 - - smlad r11, r7, r7, 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 r6, r5, r4 ; calculate difference with reversed operands - add r2, r2, r3 ; set dst_ptr to next row - sel r6, r6, 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 r7, r6, ror #8 ; another two pixels to halfwords - smlad r11, r5, r5, r11 ; dual signed multiply, add and accumulate (1) - smlad r11, r7, r7, 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 - -c80808080 - DCD 0x80808080 - - END - |