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x86/hevc_deblock: improve 8bit transpose store macros 

Up to four instructions less depending on function and instruction set.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer 2014-08-02 23:21:31 -03:00 committed by Michael Niedermayer
parent 2e6fdcb7f3
commit d0f56ca071
2 changed files with 31 additions and 48 deletions
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70
libavcodec/x86/hevc_deblock.asm
View File

@ -77,16 +77,10 @@ INIT_XMM sse2
; in: 4 rows of 8 words in m0..m3
; out: 8 rows of 4 bytes in %1..%8
%macro TRANSPOSE8x4B_STORE 8
packuswb m0, m0
packuswb m1, m1
packuswb m2, m2
packuswb m3, m3
punpcklbw m0, m1
punpcklbw m2, m3
punpckhwd m6, m0, m2
punpcklwd m0, m2
packuswb m0, m2
packuswb m1, m3
SBUTTERFLY bw, 0, 1, 2
SBUTTERFLY wd, 0, 1, 2
movd %1, m0
pshufd m0, m0, 0x39
@ -96,13 +90,13 @@ INIT_XMM sse2
pshufd m0, m0, 0x39
movd %4, m0
movd %5, m6
pshufd m6, m6, 0x39
movd %6, m6
pshufd m6, m6, 0x39
movd %7, m6
pshufd m6, m6, 0x39
movd %8, m6
movd %5, m1
pshufd m1, m1, 0x39
movd %6, m1
pshufd m1, m1, 0x39
movd %7, m1
pshufd m1, m1, 0x39
movd %8, m1
%endmacro
; in: 8 rows of 4 words in %4..%11
@ -204,40 +198,20 @@ INIT_XMM sse2
; in: 8 rows of 8 words in m0..m8
; out: 8 rows of 8 bytes in %1..%8
%macro TRANSPOSE8x8B_STORE 8
packuswb m0, m0
packuswb m1, m1
packuswb m2, m2
packuswb m3, m3
packuswb m4, m4
packuswb m5, m5
packuswb m6, m6
packuswb m7, m7
packuswb m0, m4
packuswb m1, m5
packuswb m2, m6
packuswb m3, m7
TRANSPOSE2x4x4B 0, 1, 2, 3, 4
punpcklbw m0, m1
punpcklbw m2, m3
punpckhwd m8, m0, m2
punpcklwd m0, m2
punpcklbw m4, m5
punpcklbw m6, m7
punpckhwd m9, m4, m6
punpcklwd m4, m6
punpckhdq m10, m0, m4; 2, 3
punpckldq m0, m4; 0, 1
punpckldq m11, m8, m9; 4, 5
punpckhdq m8, m9; 6, 7
movq %1, m0
movhps %2, m0
movq %3, m10
movhps %4, m10
movq %5, m11
movhps %6, m11
movq %7, m8
movhps %8, m8
movq %3, m1
movhps %4, m1
movq %5, m2
movhps %6, m2
movq %7, m3
movhps %8, m3
%endmacro
; in: 8 rows of 8 words in %1..%8

9
libavutil/x86/x86util.asm
View File

@ -69,6 +69,15 @@
SWAP %2, %3
%endmacro
%macro TRANSPOSE2x4x4B 5
SBUTTERFLY bw, %1, %2, %5
SBUTTERFLY bw, %3, %4, %5
SBUTTERFLY wd, %1, %3, %5
SBUTTERFLY wd, %2, %4, %5
SBUTTERFLY dq, %1, %2, %5
SBUTTERFLY dq, %3, %4, %5
%endmacro
%macro TRANSPOSE2x4x4W 5
SBUTTERFLY wd, %1, %2, %5
SBUTTERFLY wd, %3, %4, %5