ref: b93fcec3b74cc52e9709fe88feff23c43789c2d5
dir: /vp9/common/arm/neon/vp9_reconintra_neon.asm/
;
; Copyright (c) 2014 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 |vp9_v_predictor_4x4_neon|
EXPORT |vp9_v_predictor_8x8_neon|
EXPORT |vp9_v_predictor_16x16_neon|
EXPORT |vp9_v_predictor_32x32_neon|
EXPORT |vp9_h_predictor_4x4_neon|
EXPORT |vp9_h_predictor_8x8_neon|
EXPORT |vp9_h_predictor_16x16_neon|
EXPORT |vp9_h_predictor_32x32_neon|
EXPORT |vp9_tm_predictor_4x4_neon|
EXPORT |vp9_tm_predictor_8x8_neon|
EXPORT |vp9_tm_predictor_16x16_neon|
ARM
REQUIRE8
PRESERVE8
AREA ||.text||, CODE, READONLY, ALIGN=2
;void vp9_v_predictor_4x4_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_v_predictor_4x4_neon| PROC
vld1.32 {d0[0]}, [r2]
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d0[0]}, [r0], r1
bx lr
ENDP ; |vp9_v_predictor_4x4_neon|
;void vp9_v_predictor_8x8_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_v_predictor_8x8_neon| PROC
vld1.8 {d0}, [r2]
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
vst1.8 {d0}, [r0], r1
bx lr
ENDP ; |vp9_v_predictor_8x8_neon|
;void vp9_v_predictor_16x16_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_v_predictor_16x16_neon| PROC
vld1.8 {q0}, [r2]
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
vst1.8 {q0}, [r0], r1
bx lr
ENDP ; |vp9_v_predictor_16x16_neon|
;void vp9_v_predictor_32x32_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_v_predictor_32x32_neon| PROC
vld1.8 {q0, q1}, [r2]
mov r2, #2
loop_v
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
vst1.8 {q0, q1}, [r0], r1
subs r2, r2, #1
bgt loop_v
bx lr
ENDP ; |vp9_v_predictor_32x32_neon|
;void vp9_h_predictor_4x4_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_h_predictor_4x4_neon| PROC
vld1.32 {d1[0]}, [r3]
vdup.8 d0, d1[0]
vst1.32 {d0[0]}, [r0], r1
vdup.8 d0, d1[1]
vst1.32 {d0[0]}, [r0], r1
vdup.8 d0, d1[2]
vst1.32 {d0[0]}, [r0], r1
vdup.8 d0, d1[3]
vst1.32 {d0[0]}, [r0], r1
bx lr
ENDP ; |vp9_h_predictor_4x4_neon|
;void vp9_h_predictor_8x8_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_h_predictor_8x8_neon| PROC
vld1.64 {d1}, [r3]
vdup.8 d0, d1[0]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[1]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[2]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[3]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[4]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[5]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[6]
vst1.64 {d0}, [r0], r1
vdup.8 d0, d1[7]
vst1.64 {d0}, [r0], r1
bx lr
ENDP ; |vp9_h_predictor_8x8_neon|
;void vp9_h_predictor_16x16_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_h_predictor_16x16_neon| PROC
vld1.8 {q1}, [r3]
vdup.8 q0, d2[0]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[1]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[2]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[3]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[4]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[5]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[6]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[7]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[0]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[1]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[2]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[3]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[4]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[5]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[6]
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[7]
vst1.8 {q0}, [r0], r1
bx lr
ENDP ; |vp9_h_predictor_16x16_neon|
;void vp9_h_predictor_32x32_neon(uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_h_predictor_32x32_neon| PROC
sub r1, r1, #16
mov r2, #2
loop_h
vld1.8 {q1}, [r3]!
vdup.8 q0, d2[0]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[1]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[2]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[3]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[4]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[5]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[6]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d2[7]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[0]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[1]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[2]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[3]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[4]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[5]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[6]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
vdup.8 q0, d3[7]
vst1.8 {q0}, [r0]!
vst1.8 {q0}, [r0], r1
subs r2, r2, #1
bgt loop_h
bx lr
ENDP ; |vp9_h_predictor_32x32_neon|
;void vp9_tm_predictor_4x4_neon (uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_tm_predictor_4x4_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 d0, r12
; Load above 4 pixels
vld1.32 {d2[0]}, [r2]
; Compute above - ytop_left
vsubl.u8 q3, d2, d0
; Load left row by row and compute left + (above - ytop_left)
; 1st row and 2nd row
ldrb r12, [r3], #1
ldrb r2, [r3], #1
vdup.u16 q1, r12
vdup.u16 q2, r2
vadd.s16 q1, q1, q3
vadd.s16 q2, q2, q3
vqshrun.s16 d0, q1, #0
vqshrun.s16 d1, q2, #0
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d1[0]}, [r0], r1
; 3rd row and 4th row
ldrb r12, [r3], #1
ldrb r2, [r3], #1
vdup.u16 q1, r12
vdup.u16 q2, r2
vadd.s16 q1, q1, q3
vadd.s16 q2, q2, q3
vqshrun.s16 d0, q1, #0
vqshrun.s16 d1, q2, #0
vst1.32 {d0[0]}, [r0], r1
vst1.32 {d1[0]}, [r0], r1
bx lr
ENDP ; |vp9_tm_predictor_4x4_neon|
;void vp9_tm_predictor_8x8_neon (uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_tm_predictor_8x8_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 d0, r12
; Load above 8 pixels
vld1.64 {d2}, [r2]
; Compute above - ytop_left
vsubl.u8 q3, d2, d0
; Load left row by row and compute left + (above - ytop_left)
vld1.u8 {d6}, [r3]
; 1st row and 2nd row
vdup.u8 d0, d6[0]
vdup.u8 d1, d6[1]
vaddw.s16 q1, q3, d0
vaddw.s16 q2, q3, d1
; 3rd row and 4th row
vdup.u8 d0, d6[2]
vdup.u8 d1, d6[3]
vaddw.s16 q8, q3, d0
vaddw.s16 q9, q3, d1
vqshrun.s16 d0, q1, #0
vqshrun.s16 d1, q2, #0
vqshrun.s16 d2, q8, #0
vqshrun.s16 d3, q9, #0
vst1.64 {d0}, [r0], r1
vst1.64 {d1}, [r0], r1
vst1.64 {d2}, [r0], r1
vst1.64 {d3}, [r0], r1
; 5th row and 6th row
vdup.u8 d0, d6[4]
vdup.u8 d1, d6[5]
vaddw.s16 q1, q3, d0
vaddw.s16 q2, q3, d1
; 7rd row and 8th row
vdup.u8 d0, d6[6]
vdup.u8 d1, d6[7]
vaddw.s16 q8, q3, d0
vaddw.s16 q9, q3, d1
vqshrun.s16 d0, q1, #0
vqshrun.s16 d1, q2, #0
vqshrun.s16 d2, q8, #0
vqshrun.s16 d3, q9, #0
vst1.64 {d0}, [r0], r1
vst1.64 {d1}, [r0], r1
vst1.64 {d2}, [r0], r1
vst1.64 {d3}, [r0], r1
bx lr
ENDP ; |vp9_tm_predictor_8x8_neon|
;void vp9_tm_predictor_16x16_neon (uint8_t *dst, ptrdiff_t y_stride,
; const uint8_t *above,
; const uint8_t *left)
; r0 uint8_t *dst
; r1 ptrdiff_t y_stride
; r2 const uint8_t *above
; r3 const uint8_t *left
|vp9_tm_predictor_16x16_neon| PROC
; Load ytop_left = above[-1];
sub r12, r2, #1
ldrb r12, [r12]
vdup.u8 q0, r12
; Load above 8 pixels
vld1.8 q1, [r2]
; preload 8 left into r12
vld1.8 d18, [r3]!
; Compute above - ytop_left
vsubl.u8 q2, d2, d0
vsubl.u8 q3, d3, d1
vmovl.u8 q10, d18
; Load left row by row and compute left + (above - ytop_left)
; Process 8 rows in each single loop and loop 2 times to process 16 rows.
mov r2, #2
loop_16x16_neon
; Process two rows.
vdup.16 q0, d20[0]
vdup.16 q8, d20[1]
vadd.s16 q1, q0, q2
vadd.s16 q0, q0, q3
vadd.s16 q11, q8, q2
vadd.s16 q8, q8, q3
vqshrun.s16 d2, q1, #0
vqshrun.s16 d3, q0, #0
vqshrun.s16 d22, q11, #0
vqshrun.s16 d23, q8, #0
vdup.16 q0, d20[2] ; proload next 2 rows data
vdup.16 q8, d20[3]
vst1.64 {d2,d3}, [r0], r1
vst1.64 {d22,d23}, [r0], r1
; Process two rows.
vadd.s16 q1, q0, q2
vadd.s16 q0, q0, q3
vadd.s16 q11, q8, q2
vadd.s16 q8, q8, q3
vqshrun.s16 d2, q1, #0
vqshrun.s16 d3, q0, #0
vqshrun.s16 d22, q11, #0
vqshrun.s16 d23, q8, #0
vdup.16 q0, d21[0] ; proload next 2 rows data
vdup.16 q8, d21[1]
vst1.64 {d2,d3}, [r0], r1
vst1.64 {d22,d23}, [r0], r1
vadd.s16 q1, q0, q2
vadd.s16 q0, q0, q3
vadd.s16 q11, q8, q2
vadd.s16 q8, q8, q3
vqshrun.s16 d2, q1, #0
vqshrun.s16 d3, q0, #0
vqshrun.s16 d22, q11, #0
vqshrun.s16 d23, q8, #0
vdup.16 q0, d21[2] ; proload next 2 rows data
vdup.16 q8, d21[3]
vst1.64 {d2,d3}, [r0], r1
vst1.64 {d22,d23}, [r0], r1
vadd.s16 q1, q0, q2
vadd.s16 q0, q0, q3
vadd.s16 q11, q8, q2
vadd.s16 q8, q8, q3
vqshrun.s16 d2, q1, #0
vqshrun.s16 d3, q0, #0
vqshrun.s16 d22, q11, #0
vqshrun.s16 d23, q8, #0
vdup.16 q0, d20[2]
vdup.16 q8, d20[3]
vld1.8 d18, [r3]! ; preload 8 left into r12
vmovl.u8 q10, d18
vst1.64 {d2,d3}, [r0], r1
vst1.64 {d22,d23}, [r0], r1
subs r2, r2, #1
bgt loop_16x16_neon
bx lr
ENDP ; |vp9_tm_predictor_16x16_neon|
END