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authorJason Garrett-Glaser <darkshikari@gmail.com>2009-01-03 00:46:17 +0000
committerJason Garrett-Glaser <darkshikari@gmail.com>2009-01-03 00:46:17 +0000
commit37fed100873707b070ba692a0b46e545a08e53c1 (patch)
tree0b2423fd5120162dbe51d580b4a2a6ae8a30ff14 /libavcodec/x86/x86util.asm
parentc96da3edc3aba4dbf1e24c8fb8cc3abadd15257c (diff)
downloadffmpeg-37fed100873707b070ba692a0b46e545a08e53c1.tar.gz
Add x264 SSE2 iDCT functions to H.264 decoder.
Originally committed as revision 16409 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/x86/x86util.asm')
-rw-r--r--libavcodec/x86/x86util.asm240
1 files changed, 240 insertions, 0 deletions
diff --git a/libavcodec/x86/x86util.asm b/libavcodec/x86/x86util.asm
new file mode 100644
index 0000000000..2e318ef77c
--- /dev/null
+++ b/libavcodec/x86/x86util.asm
@@ -0,0 +1,240 @@
+;*****************************************************************************
+;* x86inc.asm
+;*****************************************************************************
+;* Copyright (C) 2008 Loren Merritt <lorenm@u.washington.edu>
+;*
+;* This program is free software; you can redistribute it and/or modify
+;* it under the terms of the GNU General Public License as published by
+;* the Free Software Foundation; either version 2 of the License, or
+;* (at your option) any later version.
+;*
+;* This program is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;* GNU General Public License for more details.
+;*
+;* You should have received a copy of the GNU General Public License
+;* along with this program; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+;*****************************************************************************
+
+%macro SBUTTERFLY 4
+ mova m%4, m%2
+ punpckl%1 m%2, m%3
+ punpckh%1 m%4, m%3
+ SWAP %3, %4
+%endmacro
+
+%macro TRANSPOSE4x4W 5
+ SBUTTERFLY wd, %1, %2, %5
+ SBUTTERFLY wd, %3, %4, %5
+ SBUTTERFLY dq, %1, %3, %5
+ SBUTTERFLY dq, %2, %4, %5
+ SWAP %2, %3
+%endmacro
+
+%macro TRANSPOSE2x4x4W 5
+ SBUTTERFLY wd, %1, %2, %5
+ SBUTTERFLY wd, %3, %4, %5
+ SBUTTERFLY dq, %1, %3, %5
+ SBUTTERFLY dq, %2, %4, %5
+ SBUTTERFLY qdq, %1, %2, %5
+ SBUTTERFLY qdq, %3, %4, %5
+%endmacro
+
+%macro TRANSPOSE4x4D 5
+ SBUTTERFLY dq, %1, %2, %5
+ SBUTTERFLY dq, %3, %4, %5
+ SBUTTERFLY qdq, %1, %3, %5
+ SBUTTERFLY qdq, %2, %4, %5
+ SWAP %2, %3
+%endmacro
+
+%macro TRANSPOSE8x8W 9-11
+%ifdef ARCH_X86_64
+ SBUTTERFLY wd, %1, %2, %9
+ SBUTTERFLY wd, %3, %4, %9
+ SBUTTERFLY wd, %5, %6, %9
+ SBUTTERFLY wd, %7, %8, %9
+ SBUTTERFLY dq, %1, %3, %9
+ SBUTTERFLY dq, %2, %4, %9
+ SBUTTERFLY dq, %5, %7, %9
+ SBUTTERFLY dq, %6, %8, %9
+ SBUTTERFLY qdq, %1, %5, %9
+ SBUTTERFLY qdq, %2, %6, %9
+ SBUTTERFLY qdq, %3, %7, %9
+ SBUTTERFLY qdq, %4, %8, %9
+ SWAP %2, %5
+ SWAP %4, %7
+%else
+; in: m0..m7, unless %11 in which case m6 is in %9
+; out: m0..m7, unless %11 in which case m4 is in %10
+; spills into %9 and %10
+%if %0<11
+ movdqa %9, m%7
+%endif
+ SBUTTERFLY wd, %1, %2, %7
+ movdqa %10, m%2
+ movdqa m%7, %9
+ SBUTTERFLY wd, %3, %4, %2
+ SBUTTERFLY wd, %5, %6, %2
+ SBUTTERFLY wd, %7, %8, %2
+ SBUTTERFLY dq, %1, %3, %2
+ movdqa %9, m%3
+ movdqa m%2, %10
+ SBUTTERFLY dq, %2, %4, %3
+ SBUTTERFLY dq, %5, %7, %3
+ SBUTTERFLY dq, %6, %8, %3
+ SBUTTERFLY qdq, %1, %5, %3
+ SBUTTERFLY qdq, %2, %6, %3
+ movdqa %10, m%2
+ movdqa m%3, %9
+ SBUTTERFLY qdq, %3, %7, %2
+ SBUTTERFLY qdq, %4, %8, %2
+ SWAP %2, %5
+ SWAP %4, %7
+%if 0<11
+ movdqa m%5, %10
+%endif
+%endif
+%endmacro
+
+%macro ABS1_MMX 2 ; a, tmp
+ pxor %2, %2
+ psubw %2, %1
+ pmaxsw %1, %2
+%endmacro
+
+%macro ABS2_MMX 4 ; a, b, tmp0, tmp1
+ pxor %3, %3
+ pxor %4, %4
+ psubw %3, %1
+ psubw %4, %2
+ pmaxsw %1, %3
+ pmaxsw %2, %4
+%endmacro
+
+%macro ABS1_SSSE3 2
+ pabsw %1, %1
+%endmacro
+
+%macro ABS2_SSSE3 4
+ pabsw %1, %1
+ pabsw %2, %2
+%endmacro
+
+%define ABS1 ABS1_MMX
+%define ABS2 ABS2_MMX
+
+%macro ABS4 6
+ ABS2 %1, %2, %5, %6
+ ABS2 %3, %4, %5, %6
+%endmacro
+
+%macro SPLATB_MMX 3
+ movd %1, [%2-3] ;to avoid crossing a cacheline
+ punpcklbw %1, %1
+%if mmsize==16
+ pshuflw %1, %1, 0xff
+ punpcklqdq %1, %1
+%else
+ pshufw %1, %1, 0xff
+%endif
+%endmacro
+
+%macro SPLATB_SSSE3 3
+ movd %1, [%2-3]
+ pshufb %1, %3
+%endmacro
+
+%macro PALIGNR_MMX 4
+ %ifnidn %4, %2
+ mova %4, %2
+ %endif
+ %if mmsize == 8
+ psllq %1, (8-%3)*8
+ psrlq %4, %3*8
+ %else
+ pslldq %1, 16-%3
+ psrldq %4, %3
+ %endif
+ por %1, %4
+%endmacro
+
+%macro PALIGNR_SSSE3 4
+ palignr %1, %2, %3
+%endmacro
+
+%macro SUMSUB_BA 2
+ paddw %1, %2
+ paddw %2, %2
+ psubw %2, %1
+%endmacro
+
+%macro SUMSUB_BADC 4
+ paddw %1, %2
+ paddw %3, %4
+ paddw %2, %2
+ paddw %4, %4
+ psubw %2, %1
+ psubw %4, %3
+%endmacro
+
+%macro HADAMARD8_1D 8
+ SUMSUB_BADC %1, %5, %2, %6
+ SUMSUB_BADC %3, %7, %4, %8
+ SUMSUB_BADC %1, %3, %2, %4
+ SUMSUB_BADC %5, %7, %6, %8
+ SUMSUB_BADC %1, %2, %3, %4
+ SUMSUB_BADC %5, %6, %7, %8
+%endmacro
+
+%macro SUMSUB2_AB 3
+ mova %3, %1
+ paddw %1, %1
+ paddw %1, %2
+ psubw %3, %2
+ psubw %3, %2
+%endmacro
+
+%macro SUMSUBD2_AB 4
+ mova %4, %1
+ mova %3, %2
+ psraw %2, 1
+ psraw %4, 1
+ paddw %1, %2
+ psubw %4, %3
+%endmacro
+
+%macro LOAD_DIFF 5
+%ifidn %3, none
+ movh %1, %4
+ movh %2, %5
+ punpcklbw %1, %2
+ punpcklbw %2, %2
+ psubw %1, %2
+%else
+ movh %1, %4
+ punpcklbw %1, %3
+ movh %2, %5
+ punpcklbw %2, %3
+ psubw %1, %2
+%endif
+%endmacro
+
+%macro LOAD_DIFF_8x4P 6-8 r0,r2 ; 4x dest, 2x temp, 2x pointer
+ LOAD_DIFF %1, %5, none, [%7], [%8]
+ LOAD_DIFF %2, %6, none, [%7+r1], [%8+r3]
+ LOAD_DIFF %3, %5, none, [%7+2*r1], [%8+2*r3]
+ LOAD_DIFF %4, %6, none, [%7+r4], [%8+r5]
+%endmacro
+
+%macro STORE_DIFF 4
+ psraw %1, 6
+ movh %2, %4
+ punpcklbw %2, %3
+ paddsw %1, %2
+ packuswb %1, %1
+ movh %4, %1
+%endmacro
+