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x86/vp9lpf: simplify 2nd transpose in 44/48/88/84. 

For non-avx optims, this saves 8 movs.

before:
  1785 decicycles in ff_vp9_loop_filter_h_44_16_ssse3, 524129 runs, 159 skips
  3327 decicycles in ff_vp9_loop_filter_h_48_16_ssse3, 262116 runs, 28 skips
  2712 decicycles in ff_vp9_loop_filter_h_88_16_ssse3, 4193729 runs, 575 skips
  3237 decicycles in ff_vp9_loop_filter_h_84_16_ssse3, 524061 runs, 227 skips

after:
  1768 decicycles in ff_vp9_loop_filter_h_44_16_ssse3, 524062 runs, 226 skips
  3310 decicycles in ff_vp9_loop_filter_h_48_16_ssse3, 262107 runs, 37 skips
  2719 decicycles in ff_vp9_loop_filter_h_88_16_ssse3, 4193954 runs, 350 skips
  3184 decicycles in ff_vp9_loop_filter_h_84_16_ssse3, 524236 runs, 52 skips
This commit is contained in:
Clément Bœsch 2014-02-08 11:09:30 +01:00
parent 958d98cc1c
commit 669d4f9053
1 changed files with 48 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
libavcodec/x86/vp9lpf.asm
View File

@ -286,12 +286,6 @@ SECTION .text
SWAP %12, %15
%endmacro
; %2 = punpckhqdq(%1, %2)
%macro PUNPCKHQDQ_SWAP 3 ; a, b, tmp
punpckhqdq m%3, m%1, m%2
SWAP %3, %2
%endmacro
%macro DEFINE_REAL_P7_TO_Q7 0-1 0
%define P7 dst1q + 2*mstrideq + %1
%define P6 dst1q + mstrideq + %1
@ -728,36 +722,30 @@ SECTION .text
SBUTTERFLY dq, 1, 5, 8
SBUTTERFLY dq, 2, 6, 8
SBUTTERFLY dq, 3, 7, 8
PUNPCKHQDQ_SWAP 0, 8, 15
movd [P7], m0
PUNPCKHQDQ_SWAP 1, 9, 0
PUNPCKHQDQ_SWAP 2, 10, 0
PUNPCKHQDQ_SWAP 3, 11, 0
PUNPCKHQDQ_SWAP 4, 12, 0
PUNPCKHQDQ_SWAP 5, 13, 0
PUNPCKHQDQ_SWAP 6, 14, 0
PUNPCKHQDQ_SWAP 7, 15, 0
SWAP 1, 8
SWAP 2, 4
SWAP 3, 12
SWAP 5, 10
SWAP 7, 14
SWAP 11, 13
movd [P6], m1
movd [P5], m2
movd [P4], m3
movd [P3], m4
movd [P2], m5
movd [P1], m6
movd [P0], m7
movd [Q0], m8
movd [Q1], m9
movd [Q2], m10
movd [Q3], m11
movd [Q4], m12
movd [Q5], m13
movd [Q6], m14
movd [Q7], m15
movd [P7], m0
punpckhqdq m0, m8
movd [P6], m0
movd [Q0], m1
punpckhqdq m1, m9
movd [Q1], m1
movd [P3], m2
punpckhqdq m2, m10
movd [P2], m2
movd [Q4], m3
punpckhqdq m3, m11
movd [Q5], m3
movd [P5], m4
punpckhqdq m4, m12
movd [P4], m4
movd [Q2], m5
punpckhqdq m5, m13
movd [Q3], m5
movd [P1], m6
punpckhqdq m6, m14
movd [P0], m6
movd [Q6], m7
punpckhqdq m7, m8
movd [Q7], m7
%else
; the following code do a transpose of 8 full lines to 16 half
; lines (high part). It is inlined to avoid the need of a staging area
@ -782,36 +770,30 @@ SECTION .text
SBUTTERFLY dq, 1, 5, 8
SBUTTERFLY dq, 2, 6, 8
SBUTTERFLY dq, 3, 7, 8
PUNPCKHQDQ_SWAP 0, 8, 15
movh [P7], m0
PUNPCKHQDQ_SWAP 1, 9, 0
PUNPCKHQDQ_SWAP 2, 10, 0
PUNPCKHQDQ_SWAP 3, 11, 0
PUNPCKHQDQ_SWAP 4, 12, 0
PUNPCKHQDQ_SWAP 5, 13, 0
PUNPCKHQDQ_SWAP 6, 14, 0
PUNPCKHQDQ_SWAP 7, 15, 0
SWAP 1, 8
SWAP 2, 4
SWAP 3, 12
SWAP 5, 10
SWAP 7, 14
SWAP 11, 13
movh [P6], m1
movh [P5], m2
movh [P4], m3
movh [P3], m4
movh [P2], m5
movh [P1], m6
movh [P0], m7
movh [Q0], m8
movh [Q1], m9
movh [Q2], m10
movh [Q3], m11
movh [Q4], m12
movh [Q5], m13
movh [Q6], m14
movh [Q7], m15
movh [P7], m0
punpckhqdq m0, m8
movh [P6], m0
movh [Q0], m1
punpckhqdq m1, m9
movh [Q1], m1
movh [P3], m2
punpckhqdq m2, m10
movh [P2], m2
movh [Q4], m3
punpckhqdq m3, m11
movh [Q5], m3
movh [P5], m4
punpckhqdq m4, m12
movh [P4], m4
movh [Q2], m5
punpckhqdq m5, m13
movh [Q3], m5
movh [P1], m6
punpckhqdq m6, m14
movh [P0], m6
movh [Q6], m7
punpckhqdq m7, m8
movh [Q7], m7
%endif
%endif