68 lines
1.6 KiB
NASM
68 lines
1.6 KiB
NASM
;
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; Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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EXPORT |vp8_short_idct4x4llm_1_neon|
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EXPORT |vp8_dc_only_idct_neon|
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ARM
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REQUIRE8
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PRESERVE8
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AREA ||.text||, CODE, READONLY, ALIGN=2
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;void vp8_short_idct4x4llm_1_c(short *input, short *output, int pitch);
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; r0 short *input;
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; r1 short *output;
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; r2 int pitch;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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|vp8_short_idct4x4llm_1_neon| PROC
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vld1.16 {d0[]}, [r0] ;load input[0]
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add r3, r1, r2
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add r12, r3, r2
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vrshr.s16 d0, d0, #3
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add r0, r12, r2
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vst1.16 {d0}, [r1]
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vst1.16 {d0}, [r3]
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vst1.16 {d0}, [r12]
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vst1.16 {d0}, [r0]
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bx lr
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ENDP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;void vp8_dc_only_idct_c(short input_dc, short *output, int pitch);
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; r0 short input_dc;
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; r1 short *output;
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; r2 int pitch;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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|vp8_dc_only_idct_neon| PROC
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vdup.16 d0, r0
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add r3, r1, r2
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add r12, r3, r2
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vrshr.s16 d0, d0, #3
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add r0, r12, r2
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vst1.16 {d0}, [r1]
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vst1.16 {d0}, [r3]
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vst1.16 {d0}, [r12]
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vst1.16 {d0}, [r0]
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bx lr
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ENDP
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END
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