[FFmpeg-cvslog] r23739 - in trunk/libavcodec/x86: dsputil_yasm.asm fft_mmx.asm h264_deblock_sse2.asm h264_idct_sse2.asm x86inc.asm x86util.asm
darkshikari
subversion
Wed Jun 23 21:20:47 CEST 2010
Author: darkshikari
Date: Wed Jun 23 21:20:46 2010
New Revision: 23739
Log:
Update x264asm header files to latest versions.
Modify the asm accordingly.
GLOBAL is now no longoer necessary for PIC-compliant loads.
Modified:
trunk/libavcodec/x86/dsputil_yasm.asm
trunk/libavcodec/x86/fft_mmx.asm
trunk/libavcodec/x86/h264_deblock_sse2.asm
trunk/libavcodec/x86/h264_idct_sse2.asm
trunk/libavcodec/x86/x86inc.asm
trunk/libavcodec/x86/x86util.asm
Modified: trunk/libavcodec/x86/dsputil_yasm.asm
==============================================================================
--- trunk/libavcodec/x86/dsputil_yasm.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/dsputil_yasm.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -40,7 +40,7 @@ section .text align=16
%endmacro
%macro FLOAT_TO_INT16_INTERLEAVE6 1
-; void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
+; void float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
cglobal float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5
%ifdef ARCH_X86_64
%define lend r10d
@@ -272,7 +272,7 @@ SCALARPRODUCT_LOOP 0
-; void ff_add_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top)
+; void add_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top)
cglobal add_hfyu_median_prediction_mmx2, 6,6,0, dst, top, diff, w, left, left_top
movq mm0, [topq]
movq mm2, mm0
@@ -370,23 +370,23 @@ cglobal add_hfyu_median_prediction_mmx2,
RET
%endmacro
-; int ff_add_hfyu_left_prediction(uint8_t *dst, const uint8_t *src, int w, int left)
+; int add_hfyu_left_prediction(uint8_t *dst, const uint8_t *src, int w, int left)
INIT_MMX
cglobal add_hfyu_left_prediction_ssse3, 3,3,7, dst, src, w, left
.skip_prologue:
- mova m5, [pb_7 GLOBAL]
- mova m4, [pb_zzzz3333zzzzbbbb GLOBAL]
- mova m3, [pb_zz11zz55zz99zzdd GLOBAL]
+ mova m5, [pb_7]
+ mova m4, [pb_zzzz3333zzzzbbbb]
+ mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
psllq m0, 56
ADD_HFYU_LEFT_LOOP 1
INIT_XMM
cglobal add_hfyu_left_prediction_sse4, 3,3,7, dst, src, w, left
- mova m5, [pb_f GLOBAL]
- mova m6, [pb_zzzzzzzz77777777 GLOBAL]
- mova m4, [pb_zzzz3333zzzzbbbb GLOBAL]
- mova m3, [pb_zz11zz55zz99zzdd GLOBAL]
+ mova m5, [pb_f]
+ mova m6, [pb_zzzzzzzz77777777]
+ mova m4, [pb_zzzz3333zzzzbbbb]
+ mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
pslldq m0, 15
test srcq, 15
@@ -398,7 +398,7 @@ cglobal add_hfyu_left_prediction_sse4, 3
ADD_HFYU_LEFT_LOOP 0
-; float ff_scalarproduct_float_sse(const float *v1, const float *v2, int len)
+; float scalarproduct_float_sse(const float *v1, const float *v2, int len)
cglobal scalarproduct_float_sse, 3,3,2, v1, v2, offset
neg offsetq
shl offsetq, 2
Modified: trunk/libavcodec/x86/fft_mmx.asm
==============================================================================
--- trunk/libavcodec/x86/fft_mmx.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/fft_mmx.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -35,7 +35,7 @@ ps_m1p1: dd 1<<31, 0
%assign i 16
%rep 13
-cextern ff_cos_ %+ i
+cextern cos_ %+ i
%assign i i<<1
%endrep
@@ -64,7 +64,7 @@ section .text align=16
mova %5, %3
pfsub %3, %4
pfadd %5, %4 ; {t6,t5}
- pxor %3, [ps_m1p1 GLOBAL] ; {t8,t7}
+ pxor %3, [ps_m1p1] ; {t8,t7}
mova %6, %1
pswapd %3, %3
pfadd %1, %5 ; {r0,i0}
@@ -105,8 +105,8 @@ section .text align=16
addps %6, %5 ; {t1,t2,t3,t4}
mova %5, %3
shufps %5, %5, 0xb1 ; {i5,r5,i7,r7}
- mulps %3, [ps_root2mppm GLOBAL] ; {-r5,i5,r7,-i7}
- mulps %5, [ps_root2 GLOBAL]
+ mulps %3, [ps_root2mppm] ; {-r5,i5,r7,-i7}
+ mulps %5, [ps_root2]
addps %3, %5 ; {t8,t7,ta,t9}
mova %5, %6
shufps %6, %3, 0x36 ; {t3,t2,t9,t8}
@@ -309,7 +309,7 @@ fft16_sse:
mova m6, Z(6)
mova m7, Z(7)
T4_SSE m6, m7, m0
- PASS_SMALL 0, [ff_cos_16 GLOBAL], [ff_cos_16+16 GLOBAL]
+ PASS_SMALL 0, [cos_16], [cos_16+16]
ret
@@ -342,12 +342,12 @@ fft8%1:
T2_3DN m6, m7, Z(6), Z(7)
pswapd m0, m5
pswapd m2, m7
- pxor m0, [ps_m1p1 GLOBAL]
- pxor m2, [ps_m1p1 GLOBAL]
+ pxor m0, [ps_m1p1]
+ pxor m2, [ps_m1p1]
pfsub m5, m0
pfadd m7, m2
- pfmul m5, [ps_root2 GLOBAL]
- pfmul m7, [ps_root2 GLOBAL]
+ pfmul m5, [ps_root2]
+ pfmul m7, [ps_root2]
T4_3DN m1, m3, m5, m7, m0, m2
mova Z(5), m5
mova Z(7), m7
@@ -445,7 +445,7 @@ fft %+ n %+ %3%2:
add r0, n*2 - (n2&(-2<<%1))
call fft %+ n4 %+ %2
sub r0, n*6 + (n2&(-2<<%1))
- lea r1, [ff_cos_ %+ n GLOBAL]
+ lea r1, [cos_ %+ n]
mov r2d, n4/2
jmp pass%3%2
@@ -461,10 +461,10 @@ section .text
; On x86_32, this function does the register saving and restoring for all of fft.
; The others pass args in registers and don't spill anything.
cglobal fft_dispatch%3%2, 2,5,8, z, nbits
- lea r2, [dispatch_tab%3%2 GLOBAL]
+ lea r2, [dispatch_tab%3%2]
mov r2, [r2 + (nbitsq-2)*gprsize]
%ifdef PIC
- lea r3, [$$ GLOBAL]
+ lea r3, [$$]
add r2, r3
%endif
call r2
Modified: trunk/libavcodec/x86/h264_deblock_sse2.asm
==============================================================================
--- trunk/libavcodec/x86/h264_deblock_sse2.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/h264_deblock_sse2.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -234,18 +234,18 @@ SECTION .text
%macro DEBLOCK_P0_Q0 0
mova m5, m1
pxor m5, m2 ; p0^q0
- pand m5, [pb_01 GLOBAL] ; (p0^q0)&1
+ pand m5, [pb_01] ; (p0^q0)&1
pcmpeqb m4, m4
pxor m3, m4
pavgb m3, m0 ; (p1 - q1 + 256)>>1
- pavgb m3, [pb_03 GLOBAL] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2
+ pavgb m3, [pb_03] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2
pxor m4, m1
pavgb m4, m2 ; (q0 - p0 + 256)>>1
pavgb m3, m5
paddusb m3, m4 ; d+128+33
- mova m6, [pb_a1 GLOBAL]
+ mova m6, [pb_a1]
psubusb m6, m3
- psubusb m3, [pb_a1 GLOBAL]
+ psubusb m3, [pb_a1]
pminub m6, m7
pminub m3, m7
psubusb m1, m6
@@ -263,7 +263,7 @@ SECTION .text
pavgb %6, m2
pavgb %2, %6 ; avg(p2,avg(p0,q0))
pxor %6, %3
- pand %6, [pb_01 GLOBAL] ; (p2^avg(p0,q0))&1
+ pand %6, [pb_01] ; (p2^avg(p0,q0))&1
psubusb %2, %6 ; (p2+((p0+q0+1)>>1))>>1
mova %6, %1
psubusb %6, %5
@@ -612,8 +612,8 @@ DEBLOCK_LUMA sse2, v, 16
%define mask0 spill(2)
%define mask1p spill(3)
%define mask1q spill(4)
- %define mpb_00 [pb_00 GLOBAL]
- %define mpb_01 [pb_01 GLOBAL]
+ %define mpb_00 [pb_00]
+ %define mpb_01 [pb_01]
%endif
;-----------------------------------------------------------------------------
@@ -637,7 +637,7 @@ cglobal x264_deblock_%2_luma_intra_%1, 4
mova q1, [r0+r1]
%ifdef ARCH_X86_64
pxor mpb_00, mpb_00
- mova mpb_01, [pb_01 GLOBAL]
+ mova mpb_01, [pb_01]
LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
SWAP 7, 12 ; m12=mask0
pavgb t5, mpb_00
@@ -656,8 +656,8 @@ cglobal x264_deblock_%2_luma_intra_%1, 4
LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
mova m4, t5
mova mask0, m7
- pavgb m4, [pb_00 GLOBAL]
- pavgb m4, [pb_01 GLOBAL] ; alpha/4+1
+ pavgb m4, [pb_00]
+ pavgb m4, [pb_01] ; alpha/4+1
DIFF_GT2 p0, q0, m4, m6, m7 ; m6 = |p0-q0| > alpha/4+1
pand m6, mask0
DIFF_GT2 p0, p2, m5, m4, m7 ; m4 = |p2-p0| > beta-1
Modified: trunk/libavcodec/x86/h264_idct_sse2.asm
==============================================================================
--- trunk/libavcodec/x86/h264_idct_sse2.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/h264_idct_sse2.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -43,7 +43,7 @@ cglobal x264_add8x4_idct_sse2, 3,3,8
movhps m3, [r1+56]
IDCT4_1D 0,1,2,3,4,5
TRANSPOSE2x4x4W 0,1,2,3,4
- paddw m0, [pw_32 GLOBAL]
+ paddw m0, [pw_32]
IDCT4_1D 0,1,2,3,4,5
pxor m7, m7
STORE_DIFF m0, m4, m7, [r0]
Modified: trunk/libavcodec/x86/x86inc.asm
==============================================================================
--- trunk/libavcodec/x86/x86inc.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/x86inc.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -1,25 +1,39 @@
;*****************************************************************************
;* x86inc.asm
;*****************************************************************************
-;* Copyright (C) 2005-2008 Loren Merritt <lorenm at u.washington.edu>
-;*
-;* This file is part of FFmpeg.
+;* Copyright (C) 2005-2008 x264 project
;*
-;* FFmpeg is free software; you can redistribute it and/or
-;* modify it under the terms of the GNU Lesser General Public
-;* License as published by the Free Software Foundation; either
-;* version 2.1 of the License, or (at your option) any later version.
+;* Authors: Loren Merritt <lorenm at u.washington.edu>
+;* Anton Mitrofanov <BugMaster at narod.ru>
;*
-;* FFmpeg 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
-;* Lesser General Public License for more details.
+;* Permission to use, copy, modify, and/or distribute this software for any
+;* purpose with or without fee is hereby granted, provided that the above
+;* copyright notice and this permission notice appear in all copies.
;*
-;* You should have received a copy of the GNU Lesser General Public
-;* License along with FFmpeg; if not, write to the Free Software
-;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+;* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+;* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+;* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+;* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+;* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+;* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;*****************************************************************************
+; This is a header file for the x264ASM assembly language, which uses
+; NASM/YASM syntax combined with a large number of macros to provide easy
+; abstraction between different calling conventions (x86_32, win64, linux64).
+; It also has various other useful features to simplify writing the kind of
+; DSP functions that are most often used in x264.
+
+; Unlike the rest of x264, this file is available under an ISC license, as it
+; has significant usefulness outside of x264 and we want it to be available
+; to the largest audience possible. Of course, if you modify it for your own
+; purposes to add a new feature, we strongly encourage contributing a patch
+; as this feature might be useful for others as well. Send patches or ideas
+; to x264-devel at videolan.org .
+
+%define program_name ff
+
%ifdef ARCH_X86_64
%ifidn __OUTPUT_FORMAT__,win32
%define WIN64
@@ -28,6 +42,12 @@
%endif
%endif
+%ifdef PREFIX
+ %define mangle(x) _ %+ x
+%else
+ %define mangle(x) x
+%endif
+
; FIXME: All of the 64bit asm functions that take a stride as an argument
; via register, assume that the high dword of that register is filled with 0.
; This is true in practice (since we never do any 64bit arithmetic on strides,
@@ -47,28 +67,16 @@
%endif
%endmacro
-; PIC support macros.
-; x86_64 can't fit 64bit address literals in most instruction types,
-; so shared objects (under the assumption that they might be anywhere
-; in memory) must use an address mode that does fit.
-; So all accesses to global variables must use this macro, e.g.
-; mov eax, [foo GLOBAL]
-; instead of
-; mov eax, [foo]
-;
-; x86_32 doesn't require PIC.
-; Some distros prefer shared objects to be PIC, but nothing breaks if
-; the code contains a few textrels, so we'll skip that complexity.
-
%ifdef WIN64
%define PIC
%elifndef ARCH_X86_64
+; x86_32 doesn't require PIC.
+; Some distros prefer shared objects to be PIC, but nothing breaks if
+; the code contains a few textrels, so we'll skip that complexity.
%undef PIC
%endif
%ifdef PIC
- %define GLOBAL wrt rip
-%else
- %define GLOBAL
+ default rel
%endif
; Macros to eliminate most code duplication between x86_32 and x86_64:
@@ -163,7 +171,7 @@ DECLARE_REG_SIZE bp, bpl
%endrep
%endmacro
-DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7
+DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9
%ifdef ARCH_X86_64
%define gprsize 8
@@ -259,15 +267,11 @@ DECLARE_REG 6, rax, eax, ax, al, [rsp
%endif
%endmacro
-%macro PROLOGUE 2-4+ ; #args, #regs, #xmm_regs, arg_names...
+%macro PROLOGUE 2-4+ 0 ; #args, #regs, #xmm_regs, arg_names...
ASSERT %2 >= %1
%assign regs_used %2
ASSERT regs_used <= 7
- %if %0 > 2
- %assign xmm_regs_used %3
- %else
- %assign xmm_regs_used 0
- %endif
+ %assign xmm_regs_used %3
ASSERT xmm_regs_used <= 16
%if regs_used > 4
push r4
@@ -388,7 +392,7 @@ DECLARE_REG 6, ebp, ebp, bp, null, [esp
%endif
%endmacro
-%macro PROLOGUE 2-4+ ; #args, #regs, arg_names...
+%macro PROLOGUE 2-4+ ; #args, #regs, #xmm_regs, arg_names...
ASSERT %2 >= %1
%assign regs_used %2
ASSERT regs_used <= 7
@@ -434,10 +438,7 @@ DECLARE_REG 6, ebp, ebp, bp, null, [esp
; Symbol prefix for C linkage
%macro cglobal 1-2+
- %xdefine %1 ff_%1
- %ifdef PREFIX
- %xdefine %1 _ %+ %1
- %endif
+ %xdefine %1 mangle(program_name %+ _ %+ %1)
%xdefine %1.skip_prologue %1 %+ .skip_prologue
%ifidn __OUTPUT_FORMAT__,elf
global %1:function hidden
@@ -454,21 +455,28 @@ DECLARE_REG 6, ebp, ebp, bp, null, [esp
%endmacro
%macro cextern 1
- %ifdef PREFIX
- %xdefine %1 _%1
- %endif
+ %xdefine %1 mangle(program_name %+ _ %+ %1)
+ extern %1
+%endmacro
+
+;like cextern, but without the prefix
+%macro cextern_naked 1
+ %xdefine %1 mangle(%1)
extern %1
%endmacro
+%macro const 2+
+ %xdefine %1 mangle(program_name %+ _ %+ %1)
+ global %1
+ %1: %2
+%endmacro
+
; This is needed for ELF, otherwise the GNU linker assumes the stack is
; executable by default.
%ifidn __OUTPUT_FORMAT__,elf
SECTION .note.GNU-stack noalloc noexec nowrite progbits
%endif
-%assign FENC_STRIDE 16
-%assign FDEC_STRIDE 32
-
; merge mmx and sse*
%macro CAT_XDEFINE 3
@@ -575,7 +583,10 @@ INIT_MMX
%endrep
%endmacro
-%macro SAVE_MM_PERMUTATION 1
+; If SAVE_MM_PERMUTATION is placed at the end of a function and given the
+; function name, then any later calls to that function will automatically
+; load the permutation, so values can be returned in mmregs.
+%macro SAVE_MM_PERMUTATION 1 ; name to save as
%assign %%i 0
%rep num_mmregs
CAT_XDEFINE %1_m, %%i, m %+ %%i
@@ -583,7 +594,7 @@ INIT_MMX
%endrep
%endmacro
-%macro LOAD_MM_PERMUTATION 1
+%macro LOAD_MM_PERMUTATION 1 ; name to load from
%assign %%i 0
%rep num_mmregs
CAT_XDEFINE m, %%i, %1_m %+ %%i
@@ -599,7 +610,7 @@ INIT_MMX
%endif
%endmacro
-;Substitutions that reduce instruction size but are functionally equivalent
+; Substitutions that reduce instruction size but are functionally equivalent
%macro add 2
%ifnum %2
%if %2==128
Modified: trunk/libavcodec/x86/x86util.asm
==============================================================================
--- trunk/libavcodec/x86/x86util.asm Wed Jun 23 15:02:05 2010 (r23738)
+++ trunk/libavcodec/x86/x86util.asm Wed Jun 23 21:20:46 2010 (r23739)
@@ -1,7 +1,10 @@
;*****************************************************************************
;* x86util.asm
;*****************************************************************************
-;* Copyright (C) 2008 Loren Merritt <lorenm at u.washington.edu>
+;* Copyright (C) 2008 x264 project
+;*
+;* Authors: Holger Lubitz <holger at lubitz.org>
+;* Loren Merritt <lorenm at 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
@@ -18,6 +21,9 @@
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
;*****************************************************************************
+%assign FENC_STRIDE 16
+%assign FDEC_STRIDE 32
+
%macro SBUTTERFLY 4
mova m%4, m%2
punpckl%1 m%2, m%3
@@ -25,6 +31,13 @@
SWAP %3, %4
%endmacro
+%macro SBUTTERFLY2 4
+ mova m%4, m%2
+ punpckh%1 m%2, m%3
+ punpckl%1 m%4, m%3
+ SWAP %2, %4, %3
+%endmacro
+
%macro TRANSPOSE4x4W 5
SBUTTERFLY wd, %1, %2, %5
SBUTTERFLY wd, %3, %4, %5
@@ -123,14 +136,40 @@
pabsw %2, %2
%endmacro
-%define ABS1 ABS1_MMX
-%define ABS2 ABS2_MMX
+%macro ABSB_MMX 2
+ pxor %2, %2
+ psubb %2, %1
+ pminub %1, %2
+%endmacro
+
+%macro ABSB2_MMX 4
+ pxor %3, %3
+ pxor %4, %4
+ psubb %3, %1
+ psubb %4, %2
+ pminub %1, %3
+ pminub %2, %4
+%endmacro
+
+%macro ABSB_SSSE3 2
+ pabsb %1, %1
+%endmacro
+
+%macro ABSB2_SSSE3 4
+ pabsb %1, %1
+ pabsb %2, %2
+%endmacro
%macro ABS4 6
ABS2 %1, %2, %5, %6
ABS2 %3, %4, %5, %6
%endmacro
+%define ABS1 ABS1_MMX
+%define ABS2 ABS2_MMX
+%define ABSB ABSB_MMX
+%define ABSB2 ABSB2_MMX
+
%macro SPLATB_MMX 3
movd %1, [%2-3] ;to avoid crossing a cacheline
punpcklbw %1, %1
@@ -226,10 +265,10 @@
; %3/%4: source regs
; %5/%6: tmp regs
%ifidn %1, d
-%define mask [mask_10 GLOBAL]
+%define mask [mask_10]
%define shift 16
%elifidn %1, q
-%define mask [mask_1100 GLOBAL]
+%define mask [mask_1100]
%define shift 32
%endif
%if %0==6 ; less dependency if we have two tmp
@@ -383,10 +422,10 @@
%macro SUMSUBD2_AB 4
mova %4, %1
mova %3, %2
- psraw %2, 1
- psraw %1, 1
- paddw %2, %4
- psubw %1, %3
+ psraw %2, 1 ; %2: %2>>1
+ psraw %1, 1 ; %1: %1>>1
+ paddw %2, %4 ; %2: %2>>1+%1
+ psubw %1, %3 ; %1: %1>>1-%2
%endmacro
%macro DCT4_1D 5
@@ -407,16 +446,27 @@
%macro IDCT4_1D 5-6
%ifnum %5
SUMSUBD2_AB m%2, m%4, m%6, m%5
+ ; %2: %2>>1-%4 %4: %2+%4>>1
SUMSUB_BA m%3, m%1, m%6
+ ; %3: %1+%3 %1: %1-%3
SUMSUB_BADC m%4, m%3, m%2, m%1, m%6
+ ; %4: %1+%3 + (%2+%4>>1)
+ ; %3: %1+%3 - (%2+%4>>1)
+ ; %2: %1-%3 + (%2>>1-%4)
+ ; %1: %1-%3 - (%2>>1-%4)
%else
SUMSUBD2_AB m%2, m%4, [%5], [%5+16]
SUMSUB_BA m%3, m%1
SUMSUB_BADC m%4, m%3, m%2, m%1
%endif
SWAP %1, %4, %3
+ ; %1: %1+%3 + (%2+%4>>1) row0
+ ; %2: %1-%3 + (%2>>1-%4) row1
+ ; %3: %1-%3 - (%2>>1-%4) row2
+ ; %4: %1+%3 - (%2+%4>>1) row3
%endmacro
+
%macro LOAD_DIFF 5
%ifidn %3, none
movh %1, %4
@@ -512,4 +562,3 @@
packuswb %1, %1
movh %4, %1
%endmacro
-
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