ref: dfbd724ef3b77fcc4c904b178455d07990e48fe7
dir: /vpx_dsp/arm/idct_neon.asm/
; ; Copyright (c) 2016 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. ; INCLUDE ./vpx_config.asm ; Helper functions used to load tran_low_t into int16, narrowing if ; necessary. ; $dst0..3 are d registers with the pairs assumed to be contiguous in ; non-high-bitdepth builds. q0-q3 are used as temporaries in high-bitdepth. MACRO LOAD_TRAN_LOW_TO_S16 $dst0, $dst1, $dst2, $dst3, $src IF CONFIG_VP9_HIGHBITDEPTH vld1.s32 {q0,q1}, [$src]! vld1.s32 {q2,q3}, [$src]! vmovn.i32 $dst0, q0 vmovn.i32 $dst1, q1 vmovn.i32 $dst2, q2 vmovn.i32 $dst3, q3 ELSE vld1.s16 {$dst0-$dst1,$dst2-$dst3}, [$src]! ENDIF MEND ; $dst0..3 are d registers. q0-q3 are used as temporaries in high-bitdepth. MACRO LOAD_TRAN_LOW_TO_S16X2 $dst0, $dst1, $dst2, $dst3, $src IF CONFIG_VP9_HIGHBITDEPTH vld2.s32 {q0,q1}, [$src]! vld2.s32 {q2,q3}, [$src]! vmovn.i32 $dst0, q0 vmovn.i32 $dst1, q2 vmovn.i32 $dst2, q1 vmovn.i32 $dst3, q3 ELSE vld2.s16 {$dst0,$dst1,$dst2,$dst3}, [$src]! ENDIF MEND END