Index: source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copy_y_neon.asm |
=================================================================== |
--- source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copy_y_neon.asm (revision 263011) |
+++ source/libvpx/vpx_scale/arm/neon/vp8_vpxyv12_copy_y_neon.asm (working copy) |
@@ -1,123 +0,0 @@ |
-; |
-; Copyright (c) 2010 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 |vpx_yv12_copy_y_neon| |
- |
- ARM |
- REQUIRE8 |
- PRESERVE8 |
- |
- INCLUDE vpx_scale_asm_offsets.asm |
- |
- AREA ||.text||, CODE, READONLY, ALIGN=2 |
- |
-;void vpx_yv12_copy_y_neon(const YV12_BUFFER_CONFIG *src_ybc, |
-; YV12_BUFFER_CONFIG *dst_ybc) |
-|vpx_yv12_copy_y_neon| PROC |
- push {r4 - r11, lr} |
- vpush {d8-d15} |
- |
- ldr r4, [r0, #yv12_buffer_config_y_height] |
- ldr r5, [r0, #yv12_buffer_config_y_width] |
- ldr r6, [r0, #yv12_buffer_config_y_stride] |
- ldr r7, [r1, #yv12_buffer_config_y_stride] |
- ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1 |
- ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1 |
- |
- ; copy two rows at one time |
- mov lr, r4, lsr #1 |
- |
-cp_src_to_dst_height_loop1 |
- mov r8, r2 |
- mov r9, r3 |
- add r10, r2, r6 |
- add r11, r3, r7 |
- movs r12, r5, lsr #7 |
- ble extra_copy_needed ; y_width < 128 |
- |
-cp_src_to_dst_width_loop1 |
- vld1.8 {q0, q1}, [r8]! |
- vld1.8 {q8, q9}, [r10]! |
- vld1.8 {q2, q3}, [r8]! |
- vld1.8 {q10, q11}, [r10]! |
- vld1.8 {q4, q5}, [r8]! |
- vld1.8 {q12, q13}, [r10]! |
- vld1.8 {q6, q7}, [r8]! |
- vld1.8 {q14, q15}, [r10]! |
- |
- subs r12, r12, #1 |
- |
- vst1.8 {q0, q1}, [r9]! |
- vst1.8 {q8, q9}, [r11]! |
- vst1.8 {q2, q3}, [r9]! |
- vst1.8 {q10, q11}, [r11]! |
- vst1.8 {q4, q5}, [r9]! |
- vst1.8 {q12, q13}, [r11]! |
- vst1.8 {q6, q7}, [r9]! |
- vst1.8 {q14, q15}, [r11]! |
- |
- bne cp_src_to_dst_width_loop1 |
- |
- subs lr, lr, #1 |
- add r2, r2, r6, lsl #1 |
- add r3, r3, r7, lsl #1 |
- |
- bne cp_src_to_dst_height_loop1 |
- |
-extra_copy_needed |
- ands r10, r5, #0x7f ;check to see if extra copy is needed |
- sub r11, r5, r10 |
- ldr r2, [r0, #yv12_buffer_config_y_buffer] ;srcptr1 |
- ldr r3, [r1, #yv12_buffer_config_y_buffer] ;dstptr1 |
- bne extra_cp_src_to_dst_width1 |
-end_of_cp_src_to_dst1 |
- |
- vpop {d8 - d15} |
- pop {r4-r11, pc} |
- |
-;============================= |
-extra_cp_src_to_dst_width1 |
- add r2, r2, r11 |
- add r3, r3, r11 |
- add r0, r8, r6 |
- add r11, r9, r7 |
- |
- mov lr, r4, lsr #1 |
-extra_cp_src_to_dst_height_loop1 |
- mov r8, r2 |
- mov r9, r3 |
- add r0, r8, r6 |
- add r11, r9, r7 |
- |
- mov r12, r10 |
- |
-extra_cp_src_to_dst_width_loop1 |
- vld1.8 {q0}, [r8]! |
- vld1.8 {q1}, [r0]! |
- |
- subs r12, r12, #16 |
- |
- vst1.8 {q0}, [r9]! |
- vst1.8 {q1}, [r11]! |
- bne extra_cp_src_to_dst_width_loop1 |
- |
- subs lr, lr, #1 |
- |
- add r2, r2, r6, lsl #1 |
- add r3, r3, r7, lsl #1 |
- |
- bne extra_cp_src_to_dst_height_loop1 |
- |
- b end_of_cp_src_to_dst1 |
- |
- ENDP |
- |
- END |