diff options
Diffstat (limited to 'vp8/common/arm/neon/bilinearpredict8x4_neon.asm')
| -rw-r--r-- | vp8/common/arm/neon/bilinearpredict8x4_neon.asm | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/vp8/common/arm/neon/bilinearpredict8x4_neon.asm b/vp8/common/arm/neon/bilinearpredict8x4_neon.asm deleted file mode 100644 index 41f5c45ff..000000000 --- a/vp8/common/arm/neon/bilinearpredict8x4_neon.asm +++ /dev/null @@ -1,135 +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 |vp8_bilinear_predict8x4_neon| - ARM - REQUIRE8 - PRESERVE8 - - AREA ||.text||, CODE, READONLY, ALIGN=2 -; r0 unsigned char *src_ptr, -; r1 int src_pixels_per_line, -; r2 int xoffset, -; r3 int yoffset, -; r4 unsigned char *dst_ptr, -; stack(lr) int dst_pitch - -|vp8_bilinear_predict8x4_neon| PROC - push {r4, lr} - - adr r12, bifilter8x4_coeff - ldr r4, [sp, #8] ;load parameters from stack - ldr lr, [sp, #12] ;load parameters from stack - - cmp r2, #0 ;skip first_pass filter if xoffset=0 - beq skip_firstpass_filter - -;First pass: output_height lines x output_width columns (5x8) - add r2, r12, r2, lsl #3 ;calculate filter location - - vld1.u8 {q1}, [r0], r1 ;load src data - vld1.u32 {d31}, [r2] ;load first_pass filter - vld1.u8 {q2}, [r0], r1 - vdup.8 d0, d31[0] ;first_pass filter (d0 d1) - vld1.u8 {q3}, [r0], r1 - vdup.8 d1, d31[4] - vld1.u8 {q4}, [r0], r1 - - vmull.u8 q6, d2, d0 ;(src_ptr[0] * vp8_filter[0]) - vld1.u8 {q5}, [r0], r1 - vmull.u8 q7, d4, d0 - vmull.u8 q8, d6, d0 - vmull.u8 q9, d8, d0 - vmull.u8 q10, d10, d0 - - vext.8 d3, d2, d3, #1 ;construct src_ptr[-1] - vext.8 d5, d4, d5, #1 - vext.8 d7, d6, d7, #1 - vext.8 d9, d8, d9, #1 - vext.8 d11, d10, d11, #1 - - vmlal.u8 q6, d3, d1 ;(src_ptr[1] * vp8_filter[1]) - vmlal.u8 q7, d5, d1 - vmlal.u8 q8, d7, d1 - vmlal.u8 q9, d9, d1 - vmlal.u8 q10, d11, d1 - - vqrshrn.u16 d22, q6, #7 ;shift/round/saturate to u8 - vqrshrn.u16 d23, q7, #7 - vqrshrn.u16 d24, q8, #7 - vqrshrn.u16 d25, q9, #7 - vqrshrn.u16 d26, q10, #7 - -;Second pass: 4x8 -secondpass_filter - cmp r3, #0 ;skip second_pass filter if yoffset=0 - beq skip_secondpass_filter - - add r3, r12, r3, lsl #3 - add r0, r4, lr - - vld1.u32 {d31}, [r3] ;load second_pass filter - add r1, r0, lr - - vdup.8 d0, d31[0] ;second_pass filter parameters (d0 d1) - vdup.8 d1, d31[4] - - vmull.u8 q1, d22, d0 ;(src_ptr[0] * vp8_filter[0]) - vmull.u8 q2, d23, d0 - vmull.u8 q3, d24, d0 - vmull.u8 q4, d25, d0 - - vmlal.u8 q1, d23, d1 ;(src_ptr[pixel_step] * vp8_filter[1]) - vmlal.u8 q2, d24, d1 - vmlal.u8 q3, d25, d1 - vmlal.u8 q4, d26, d1 - - add r2, r1, lr - - vqrshrn.u16 d2, q1, #7 ;shift/round/saturate to u8 - vqrshrn.u16 d3, q2, #7 - vqrshrn.u16 d4, q3, #7 - vqrshrn.u16 d5, q4, #7 - - vst1.u8 {d2}, [r4] ;store result - vst1.u8 {d3}, [r0] - vst1.u8 {d4}, [r1] - vst1.u8 {d5}, [r2] - - pop {r4, pc} - -;-------------------- -skip_firstpass_filter - vld1.u8 {d22}, [r0], r1 ;load src data - vld1.u8 {d23}, [r0], r1 - vld1.u8 {d24}, [r0], r1 - vld1.u8 {d25}, [r0], r1 - vld1.u8 {d26}, [r0], r1 - - b secondpass_filter - -;--------------------- -skip_secondpass_filter - vst1.u8 {d22}, [r4], lr ;store result - vst1.u8 {d23}, [r4], lr - vst1.u8 {d24}, [r4], lr - vst1.u8 {d25}, [r4], lr - - pop {r4, pc} - - ENDP - -;----------------- - -bifilter8x4_coeff - DCD 128, 0, 112, 16, 96, 32, 80, 48, 64, 64, 48, 80, 32, 96, 16, 112 - - END |