generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Rework 8x8 transpose SSSE3 for inverse 2D-DCT

Browse Source 
Use same transpose process as inv_txfm_sse2 does.

Change-Id: Ic4827825bd174cba57a0a80e19bf458a648e7d94
This commit is contained in:
Jingning Han 2017-01-12 15:06:30 -08:00
parent 9a780fa7db
commit f65170ea84
1 changed files with 42 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
vpx_dsp/x86/inv_txfm_ssse3_x86_64.asm
View File

@ -10,10 +10,6 @@
%include "third_party/x86inc/x86inc.asm" %include "third_party/x86inc/x86inc.asm"
; This file provides SSSE3 version of the inverse transformation. Part
; of the functions are originally derived from the ffmpeg project.
; Note that the current version applies to x86 64-bit only.
SECTION_RODATA SECTION_RODATA
pw_11585x2: times 8 dw 23170 pw_11585x2: times 8 dw 23170
@ -141,31 +137,44 @@ SECTION .text
packssdw m%2, m%6 packssdw m%2, m%6
%endmacro %endmacro
; matrix transpose ; 8x8 transpose. This follows same operations as SSE2 does.
%macro INTERLEAVE_2X 4 %macro TRANSPOSE8X8 10
punpckh%1 m%4, m%2, m%3 ; stage 1
punpckl%1 m%2, m%3 punpcklwd m%9, m%1, m%2
SWAP %3, %4 punpcklwd m%10, m%3, m%4
%endmacro punpckhwd m%1, m%2
punpckhwd m%3, m%4
%macro TRANSPOSE8X8 9 punpcklwd m%2, m%5, m%6
INTERLEAVE_2X wd, %1, %2, %9 punpcklwd m%4, m%7, m%8
INTERLEAVE_2X wd, %3, %4, %9 punpckhwd m%5, m%6
INTERLEAVE_2X wd, %5, %6, %9 punpckhwd m%7, m%8
INTERLEAVE_2X wd, %7, %8, %9
INTERLEAVE_2X dq, %1, %3, %9 ; stage 2
INTERLEAVE_2X dq, %2, %4, %9 punpckldq m%6, m%9, m%10
INTERLEAVE_2X dq, %5, %7, %9 punpckldq m%8, m%1, m%3
INTERLEAVE_2X dq, %6, %8, %9 punpckhdq m%9, m%10
punpckhdq m%1, m%3
INTERLEAVE_2X qdq, %1, %5, %9 punpckldq m%10, m%2, m%4
INTERLEAVE_2X qdq, %3, %7, %9 punpckldq m%3, m%5, m%7
INTERLEAVE_2X qdq, %2, %6, %9 punpckhdq m%2, m%4
INTERLEAVE_2X qdq, %4, %8, %9 punpckhdq m%5, m%7
SWAP %2, %5 ; stage 3
SWAP %4, %7 punpckhqdq m%4, m%9, m%2 ; out3
punpcklqdq m%9, m%2 ; out2
punpcklqdq m%7, m%1, m%5 ; out6
punpckhqdq m%1, m%5 ; out7
punpckhqdq m%2, m%6, m%10 ; out1
punpcklqdq m%6, m%10 ; out0
punpcklqdq m%5, m%8, m%3 ; out4
punpckhqdq m%8, m%3 ; out5
SWAP %6, %1
SWAP %3, %9
SWAP %8, %6
%endmacro %endmacro
%macro IDCT8_1D 0 %macro IDCT8_1D 0
@ -247,9 +256,9 @@ cglobal idct8x8_64_add, 3, 5, 13, input, output, stride
mova m6, [inputq + 96] mova m6, [inputq + 96]
mova m7, [inputq + 112] mova m7, [inputq + 112]
%endif %endif
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
IDCT8_1D IDCT8_1D
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
IDCT8_1D IDCT8_1D
pxor m12, m12 pxor m12, m12
@ -821,7 +830,7 @@ idct32x32_34_transpose:
mova m7, [r3 + 16 * 28] mova m7, [r3 + 16 * 28]
%endif %endif
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
IDCT32X32_34 16*0, 16*32, 16*64, 16*96 IDCT32X32_34 16*0, 16*32, 16*64, 16*96
lea stp, [stp + 16 * 8] lea stp, [stp + 16 * 8]
@ -843,7 +852,7 @@ idct32x32_34_transpose_2:
mova m6, [r3 + 16 * 6] mova m6, [r3 + 16 * 6]
mova m7, [r3 + 16 * 7] mova m7, [r3 + 16 * 7]
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
IDCT32X32_34 16*0, 16*8, 16*16, 16*24 IDCT32X32_34 16*0, 16*8, 16*16, 16*24
@ -1250,7 +1259,7 @@ idct32x32_135_transpose:
mova m6, [r3 + 16 * 24] mova m6, [r3 + 16 * 24]
mova m7, [r3 + 16 * 28] mova m7, [r3 + 16 * 28]
%endif %endif
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
mova [r4 + 0], m0 mova [r4 + 0], m0
mova [r4 + 16 * 1], m1 mova [r4 + 16 * 1], m1
@ -1299,7 +1308,7 @@ idct32x32_135_transpose_2:
mova m6, [r3 + 16 * 6] mova m6, [r3 + 16 * 6]
mova m7, [r3 + 16 * 7] mova m7, [r3 + 16 * 7]
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
mova [r4 + 0], m0 mova [r4 + 0], m0
mova [r4 + 16 * 1], m1 mova [r4 + 16 * 1], m1
@ -1715,7 +1724,7 @@ idct32x32_1024_transpose:
mova m7, [r3 + 16 * 28] mova m7, [r3 + 16 * 28]
%endif %endif
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
mova [r4 + 0], m0 mova [r4 + 0], m0
mova [r4 + 16 * 1], m1 mova [r4 + 16 * 1], m1
@ -1764,7 +1773,7 @@ idct32x32_1024_transpose_2:
mova m6, [r3 + 16 * 6] mova m6, [r3 + 16 * 6]
mova m7, [r3 + 16 * 7] mova m7, [r3 + 16 * 7]
TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9 TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9, 10
mova [r4 + 0], m0 mova [r4 + 0], m0
mova [r4 + 16 * 1], m1 mova [r4 + 16 * 1], m1