7e40a55ef9
Also removes some spurious changes in common/vp9_blockd.h which was introduced by a rebase issue between nextgen and master branches. Change-Id: If359f0e9a71bca9c2ba685a87a355873536bb282 (cherry picked from commit005d80cd05) (cherry picked from commit08d2f54800) (cherry picked from commit4230c2306c)
102 lines
3.1 KiB
NASM
102 lines
3.1 KiB
NASM
;
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; Copyright (c) 2014 The WebM 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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%include "third_party/x86inc/x86inc.asm"
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SECTION .text
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%macro TRANSFORM_COLS 0
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paddw m0, m1
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movq m4, m0
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psubw m3, m2
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psubw m4, m3
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psraw m4, 1
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movq m5, m4
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psubw m5, m1 ;b1
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psubw m4, m2 ;c1
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psubw m0, m4
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paddw m3, m5
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; m0 a0
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SWAP 1, 4 ; m1 c1
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SWAP 2, 3 ; m2 d1
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SWAP 3, 5 ; m3 b1
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%endmacro
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%macro TRANSPOSE_4X4 0
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movq m4, m0
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movq m5, m2
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punpcklwd m4, m1
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punpckhwd m0, m1
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punpcklwd m5, m3
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punpckhwd m2, m3
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movq m1, m4
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movq m3, m0
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punpckldq m1, m5
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punpckhdq m4, m5
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punpckldq m3, m2
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punpckhdq m0, m2
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SWAP 2, 3, 0, 1, 4
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%endmacro
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INIT_MMX mmx
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cglobal fwht4x4, 3, 4, 8, input, output, stride
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lea r3q, [inputq + strideq*4]
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movq m0, [inputq] ;a1
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movq m1, [inputq + strideq*2] ;b1
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movq m2, [r3q] ;c1
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movq m3, [r3q + strideq*2] ;d1
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TRANSFORM_COLS
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TRANSPOSE_4X4
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TRANSFORM_COLS
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TRANSPOSE_4X4
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psllw m0, 2
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psllw m1, 2
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psllw m2, 2
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psllw m3, 2
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%if CONFIG_VP9_HIGHBITDEPTH
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pxor m4, m4
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pxor m5, m5
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pcmpgtw m4, m0
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pcmpgtw m5, m1
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movq m6, m0
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movq m7, m1
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punpcklwd m0, m4
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punpcklwd m1, m5
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punpckhwd m6, m4
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punpckhwd m7, m5
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movq [outputq], m0
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movq [outputq + 8], m6
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movq [outputq + 16], m1
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movq [outputq + 24], m7
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pxor m4, m4
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pxor m5, m5
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pcmpgtw m4, m2
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pcmpgtw m5, m3
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movq m6, m2
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movq m7, m3
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punpcklwd m2, m4
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punpcklwd m3, m5
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punpckhwd m6, m4
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punpckhwd m7, m5
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movq [outputq + 32], m2
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movq [outputq + 40], m6
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movq [outputq + 48], m3
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movq [outputq + 56], m7
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%else
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movq [outputq], m0
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movq [outputq + 8], m1
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movq [outputq + 16], m2
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movq [outputq + 24], m3
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%endif
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RET
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