diff options
Diffstat (limited to 'vp8/common/arm/neon/recon4b_neon.asm')
| -rw-r--r-- | vp8/common/arm/neon/recon4b_neon.asm | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/vp8/common/arm/neon/recon4b_neon.asm b/vp8/common/arm/neon/recon4b_neon.asm new file mode 100644 index 000000000..a4f5b806b --- /dev/null +++ b/vp8/common/arm/neon/recon4b_neon.asm @@ -0,0 +1,68 @@ +; +; Copyright (c) 2010 The VP8 project authors. All Rights Reserved. +; +; Use of this source code is governed by a BSD-style license and patent +; grant that can be found in the LICENSE file in the root of the source +; tree. All contributing project authors may be found in the AUTHORS +; file in the root of the source tree. +; + + + EXPORT |vp8_recon4b_neon| + ARM + REQUIRE8 + PRESERVE8 + + AREA ||.text||, CODE, READONLY, ALIGN=2 + +; r0 unsigned char *pred_ptr, +; r1 short *diff_ptr, +; r2 unsigned char *dst_ptr, +; r3 int stride + +|vp8_recon4b_neon| PROC + vld1.u8 {q12, q13}, [r0]! ;load data from pred_ptr + vld1.16 {q8, q9}, [r1]! ;load data from diff_ptr + vld1.u8 {q14, q15}, [r0] + vld1.16 {q10, q11}, [r1]! + + vmovl.u8 q0, d24 ;modify Pred data from 8 bits to 16 bits + vmovl.u8 q1, d25 + vmovl.u8 q2, d26 + vmovl.u8 q3, d27 + vmovl.u8 q4, d28 + vmovl.u8 q5, d29 + vmovl.u8 q6, d30 + vld1.16 {q12, q13}, [r1]! + vmovl.u8 q7, d31 + vld1.16 {q14, q15}, [r1] + + vadd.s16 q0, q0, q8 ;add Diff data and Pred data together + vadd.s16 q1, q1, q9 + vadd.s16 q2, q2, q10 + vadd.s16 q3, q3, q11 + vadd.s16 q4, q4, q12 + vadd.s16 q5, q5, q13 + vadd.s16 q6, q6, q14 + vadd.s16 q7, q7, q15 + + vqmovun.s16 d0, q0 ;CLAMP() saturation + vqmovun.s16 d1, q1 + vqmovun.s16 d2, q2 + vqmovun.s16 d3, q3 + vqmovun.s16 d4, q4 + vqmovun.s16 d5, q5 + vqmovun.s16 d6, q6 + vqmovun.s16 d7, q7 + add r0, r2, r3 + + vst1.u8 {q0}, [r2] ;store result + vst1.u8 {q1}, [r0], r3 + add r2, r0, r3 + vst1.u8 {q2}, [r0] + vst1.u8 {q3}, [r2], r3 + + bx lr + + ENDP + END |