Index: source/libvpx/vp9/common/arm/neon/vp9_idct8x8_1_add_neon.asm |
=================================================================== |
--- source/libvpx/vp9/common/arm/neon/vp9_idct8x8_1_add_neon.asm (revision 293588) |
+++ source/libvpx/vp9/common/arm/neon/vp9_idct8x8_1_add_neon.asm (working copy) |
@@ -1,88 +0,0 @@ |
-; |
-; Copyright (c) 2013 The WebM 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 |vp9_idct8x8_1_add_neon| |
- ARM |
- REQUIRE8 |
- PRESERVE8 |
- |
- AREA ||.text||, CODE, READONLY, ALIGN=2 |
- |
-;void vp9_idct8x8_1_add_neon(int16_t *input, uint8_t *dest, |
-; int dest_stride) |
-; |
-; r0 int16_t input |
-; r1 uint8_t *dest |
-; r2 int dest_stride) |
- |
-|vp9_idct8x8_1_add_neon| PROC |
- ldrsh r0, [r0] |
- |
- ; generate cospi_16_64 = 11585 |
- mov r12, #0x2d00 |
- add r12, #0x41 |
- |
- ; out = dct_const_round_shift(input[0] * cospi_16_64) |
- mul r0, r0, r12 ; input[0] * cospi_16_64 |
- add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1)) |
- asr r0, r0, #14 ; >> DCT_CONST_BITS |
- |
- ; out = dct_const_round_shift(out * cospi_16_64) |
- mul r0, r0, r12 ; out * cospi_16_64 |
- mov r12, r1 ; save dest |
- add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1)) |
- asr r0, r0, #14 ; >> DCT_CONST_BITS |
- |
- ; a1 = ROUND_POWER_OF_TWO(out, 5) |
- add r0, r0, #16 ; + (1 <<((5) - 1)) |
- asr r0, r0, #5 ; >> 5 |
- |
- vdup.s16 q0, r0 ; duplicate a1 |
- |
- ; load destination data |
- vld1.64 {d2}, [r1], r2 |
- vld1.64 {d3}, [r1], r2 |
- vld1.64 {d4}, [r1], r2 |
- vld1.64 {d5}, [r1], r2 |
- vld1.64 {d6}, [r1], r2 |
- vld1.64 {d7}, [r1], r2 |
- vld1.64 {d16}, [r1], r2 |
- vld1.64 {d17}, [r1] |
- |
- vaddw.u8 q9, q0, d2 ; dest[x] + a1 |
- vaddw.u8 q10, q0, d3 ; dest[x] + a1 |
- vaddw.u8 q11, q0, d4 ; dest[x] + a1 |
- vaddw.u8 q12, q0, d5 ; dest[x] + a1 |
- vqmovun.s16 d2, q9 ; clip_pixel |
- vqmovun.s16 d3, q10 ; clip_pixel |
- vqmovun.s16 d30, q11 ; clip_pixel |
- vqmovun.s16 d31, q12 ; clip_pixel |
- vst1.64 {d2}, [r12], r2 |
- vst1.64 {d3}, [r12], r2 |
- vst1.64 {d30}, [r12], r2 |
- vst1.64 {d31}, [r12], r2 |
- |
- vaddw.u8 q9, q0, d6 ; dest[x] + a1 |
- vaddw.u8 q10, q0, d7 ; dest[x] + a1 |
- vaddw.u8 q11, q0, d16 ; dest[x] + a1 |
- vaddw.u8 q12, q0, d17 ; dest[x] + a1 |
- vqmovun.s16 d2, q9 ; clip_pixel |
- vqmovun.s16 d3, q10 ; clip_pixel |
- vqmovun.s16 d30, q11 ; clip_pixel |
- vqmovun.s16 d31, q12 ; clip_pixel |
- vst1.64 {d2}, [r12], r2 |
- vst1.64 {d3}, [r12], r2 |
- vst1.64 {d30}, [r12], r2 |
- vst1.64 {d31}, [r12], r2 |
- |
- bx lr |
- ENDP ; |vp9_idct8x8_1_add_neon| |
- |
- END |