ref: ba05a4c640783dd8a67fb946531940a68d79b906
parent: 603cdcfce58f1e930847f10ff502e7bc10afdcc9
author: James Yu <james.yu@linaro.org>
date: Wed Jan 15 11:20:34 EST 2014
VP9 common for ARMv8 by using NEON intrinsics 19 Delete vp9_dc_only_idct_add_neon.c The function was merged with vp9_short_idct4x4_1_add (later vp9_idct4x4_1_add) in d2de1ca and should have been deleted then. Change-Id: Ie58ba3dd9dc7330a8f1238dd7dd71c9ed4639b94 Signed-off-by: James Yu <james.yu@linaro.org>
--- a/vp9/common/arm/neon/vp9_dc_only_idct_add_neon.asm
+++ /dev/null
@@ -1,69 +1,0 @@
-;
-; 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_dc_only_idct_add_neon|
- ARM
- REQUIRE8
- PRESERVE8
-
- AREA ||.text||, CODE, READONLY, ALIGN=2
-
-;void vp9_dc_only_idct_add_neon(int input_dc, uint8_t *pred_ptr,
-; uint8_t *dst_ptr, int pitch, int stride)
-;
-; r0 int input_dc
-; r1 uint8_t *pred_ptr
-; r2 uint8_t *dst_ptr
-; r3 int pitch
-; sp int stride
-
-|vp9_dc_only_idct_add_neon| PROC
-
- ; generate cospi_16_64 = 11585
- mov r12, #0x2d00
- add r12, #0x41
-
- ; dct_const_round_shift(input_dc * cospi_16_64)
- mul r0, r0, r12 ; input_dc * cospi_16_64
- add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1))
- asr r0, r0, #14 ; >> DCT_CONST_BITS
-
- ; dct_const_round_shift(out * cospi_16_64)
- mul r0, r0, r12 ; out * cospi_16_64
- add r0, r0, #0x2000 ; +(1 << ((DCT_CONST_BITS) - 1))
- asr r0, r0, #14 ; >> DCT_CONST_BITS
-
- ; ROUND_POWER_OF_TWO(out, 4)
- add r0, r0, #8 ; + (1 <<((4) - 1))
- asr r0, r0, #4 ; >> 4
-
- vdup.16 q0, r0; ; duplicate a1
- ldr r12, [sp] ; load stride
-
- vld1.32 {d2[0]}, [r1], r3- vld1.32 {d2[1]}, [r1], r3- vld1.32 {d4[0]}, [r1], r3- vld1.32 {d4[1]}, [r1]-
- vaddw.u8 q1, q0, d2 ; a1 + pred_ptr[c]
- vaddw.u8 q2, q0, d4
-
- vqmovun.s16 d2, q1 ; clip_pixel
- vqmovun.s16 d4, q2
-
- vst1.32 {d2[0]}, [r2], r12- vst1.32 {d2[1]}, [r2], r12- vst1.32 {d4[0]}, [r2], r12- vst1.32 {d4[1]}, [r2]-
- bx lr
- ENDP ; |vp9_dc_only_idct_add_neon|
-
- END
--- a/vp9/vp9_common.mk
+++ b/vp9/vp9_common.mk
@@ -134,7 +134,6 @@
endif
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_loopfilter_16_neon_asm$(ASM)
-VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_dc_only_idct_add_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_mb_lpf_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_save_reg_neon$(ASM)
VP9_COMMON_SRCS-$(HAVE_NEON_ASM) += common/arm/neon/vp9_reconintra_neon$(ASM)