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ffmpeg/libswresample/x86/audio_convert.asm
James Almer b385c4c6a3 x86/swr: replace sse4 instructions in pack_6ch with sse ones 
There's no benefit from using blendps here except on CPUs with AVX, where
it's faster than shufps according to Intel's documentation.
As such, rename the sse4 functions to sse/sse2 and use shufps instead.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>
2014-11-06 20:54:00 -03:00

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;******************************************************************************
;* Copyright (c) 2012 Michael Niedermayer
;*
;* This file is part of FFmpeg.
;*
;* 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.
;*
;* 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.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA 32
flt2pm31: times 8 dd 4.6566129e-10
flt2p31 : times 8 dd 2147483648.0
flt2p15 : times 8 dd 32768.0
word_unpack_shuf : db 0, 1, 4, 5, 8, 9,12,13, 2, 3, 6, 7,10,11,14,15
SECTION .text
;to, from, a/u, log2_outsize, log_intsize, const
%macro PACK_2CH 5-7
cglobal pack_2ch_%2_to_%1_%3, 3, 4, 6, dst, src, len, src2
mov src2q , [srcq+gprsize]
mov srcq , [srcq]
mov dstq , [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne pack_2ch_%2_to_%1_u_int %+ SUFFIX
test srcq, mmsize-1
jne pack_2ch_%2_to_%1_u_int %+ SUFFIX
test src2q, mmsize-1
jne pack_2ch_%2_to_%1_u_int %+ SUFFIX
%else
pack_2ch_%2_to_%1_u_int %+ SUFFIX
%endif
lea srcq , [srcq + (1<<%5)*lenq]
lea src2q, [src2q + (1<<%5)*lenq]
lea dstq , [dstq + (2<<%4)*lenq]
neg lenq
%7 m0,m1,m2,m3,m4,m5
.next:
%if %4 >= %5
mov%3 m0, [ srcq +(1<<%5)*lenq]
mova m1, m0
mov%3 m2, [ src2q+(1<<%5)*lenq]
%if %5 == 1
punpcklwd m0, m2
punpckhwd m1, m2
%else
punpckldq m0, m2
punpckhdq m1, m2
%endif
%6 m0,m1,m2,m3,m4,m5
%else
mov%3 m0, [ srcq +(1<<%5)*lenq]
mov%3 m1, [mmsize + srcq +(1<<%5)*lenq]
mov%3 m2, [ src2q+(1<<%5)*lenq]
mov%3 m3, [mmsize + src2q+(1<<%5)*lenq]
%6 m0,m1,m2,m3,m4,m5
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
SWAP 1,2
%endif
mov%3 [ dstq+(2<<%4)*lenq], m0
mov%3 [ mmsize + dstq+(2<<%4)*lenq], m1
%if %4 > %5
mov%3 [2*mmsize + dstq+(2<<%4)*lenq], m2
mov%3 [3*mmsize + dstq+(2<<%4)*lenq], m3
add lenq, 4*mmsize/(2<<%4)
%else
add lenq, 2*mmsize/(2<<%4)
%endif
jl .next
REP_RET
%endmacro
%macro UNPACK_2CH 5-7
cglobal unpack_2ch_%2_to_%1_%3, 3, 4, 7, dst, src, len, dst2
mov dst2q , [dstq+gprsize]
mov srcq , [srcq]
mov dstq , [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne unpack_2ch_%2_to_%1_u_int %+ SUFFIX
test srcq, mmsize-1
jne unpack_2ch_%2_to_%1_u_int %+ SUFFIX
test dst2q, mmsize-1
jne unpack_2ch_%2_to_%1_u_int %+ SUFFIX
%else
unpack_2ch_%2_to_%1_u_int %+ SUFFIX
%endif
lea srcq , [srcq + (2<<%5)*lenq]
lea dstq , [dstq + (1<<%4)*lenq]
lea dst2q, [dst2q + (1<<%4)*lenq]
neg lenq
%7 m0,m1,m2,m3,m4,m5
mova m6, [word_unpack_shuf]
.next:
mov%3 m0, [ srcq +(2<<%5)*lenq]
mov%3 m2, [ mmsize + srcq +(2<<%5)*lenq]
%if %5 == 1
%ifidn SUFFIX, _ssse3
pshufb m0, m6
mova m1, m0
pshufb m2, m6
punpcklqdq m0,m2
punpckhqdq m1,m2
%else
mova m1, m0
punpcklwd m0,m2
punpckhwd m1,m2
mova m2, m0
punpcklwd m0,m1
punpckhwd m2,m1
mova m1, m0
punpcklwd m0,m2
punpckhwd m1,m2
%endif
%else
mova m1, m0
shufps m0, m2, 10001000b
shufps m1, m2, 11011101b
%endif
%if %4 < %5
mov%3 m2, [2*mmsize + srcq +(2<<%5)*lenq]
mova m3, m2
mov%3 m4, [3*mmsize + srcq +(2<<%5)*lenq]
shufps m2, m4, 10001000b
shufps m3, m4, 11011101b
SWAP 1,2
%endif
%6 m0,m1,m2,m3,m4,m5
mov%3 [ dstq+(1<<%4)*lenq], m0
%if %4 > %5
mov%3 [ dst2q+(1<<%4)*lenq], m2
mov%3 [ mmsize + dstq+(1<<%4)*lenq], m1
mov%3 [ mmsize + dst2q+(1<<%4)*lenq], m3
add lenq, 2*mmsize/(1<<%4)
%else
mov%3 [ dst2q+(1<<%4)*lenq], m1
add lenq, mmsize/(1<<%4)
%endif
jl .next
REP_RET
%endmacro
%macro CONV 5-7
cglobal %2_to_%1_%3, 3, 3, 6, dst, src, len
mov srcq , [srcq]
mov dstq , [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne %2_to_%1_u_int %+ SUFFIX
test srcq, mmsize-1
jne %2_to_%1_u_int %+ SUFFIX
%else
%2_to_%1_u_int %+ SUFFIX
%endif
lea srcq , [srcq + (1<<%5)*lenq]
lea dstq , [dstq + (1<<%4)*lenq]
neg lenq
%7 m0,m1,m2,m3,m4,m5
.next:
mov%3 m0, [ srcq +(1<<%5)*lenq]
mov%3 m1, [ mmsize + srcq +(1<<%5)*lenq]
%if %4 < %5
mov%3 m2, [2*mmsize + srcq +(1<<%5)*lenq]
mov%3 m3, [3*mmsize + srcq +(1<<%5)*lenq]
%endif
%6 m0,m1,m2,m3,m4,m5
mov%3 [ dstq+(1<<%4)*lenq], m0
mov%3 [ mmsize + dstq+(1<<%4)*lenq], m1
%if %4 > %5
mov%3 [2*mmsize + dstq+(1<<%4)*lenq], m2
mov%3 [3*mmsize + dstq+(1<<%4)*lenq], m3
add lenq, 4*mmsize/(1<<%4)
%else
add lenq, 2*mmsize/(1<<%4)
%endif
jl .next
%if mmsize == 8
emms
RET
%else
REP_RET
%endif
%endmacro
%macro PACK_6CH 5-7
cglobal pack_6ch_%2_to_%1_%3, 2,8,7, dst, src, src1, src2, src3, src4, src5, len
%if ARCH_X86_64
mov lend, r2d
%else
%define lend dword r2m
%endif
mov src1q, [srcq+1*gprsize]
mov src2q, [srcq+2*gprsize]
mov src3q, [srcq+3*gprsize]
mov src4q, [srcq+4*gprsize]
mov src5q, [srcq+5*gprsize]
mov srcq, [srcq]
mov dstq, [dstq]
%ifidn %3, a
test dstq, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
test srcq, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
test src2q, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
test src3q, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
test src4q, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
test src5q, mmsize-1
jne pack_6ch_%2_to_%1_u_int %+ SUFFIX
%else
pack_6ch_%2_to_%1_u_int %+ SUFFIX
%endif
sub src1q, srcq
sub src2q, srcq
sub src3q, srcq
sub src4q, srcq
sub src5q, srcq
.loop:
mov%3 m0, [srcq ]
mov%3 m1, [srcq+src1q]
mov%3 m2, [srcq+src2q]
mov%3 m3, [srcq+src3q]
mov%3 m4, [srcq+src4q]
mov%3 m5, [srcq+src5q]
%7 x,x,x,x,m7,x
%if cpuflag(sse)
SBUTTERFLYPS 0, 1, 6
SBUTTERFLYPS 2, 3, 6
SBUTTERFLYPS 4, 5, 6
%if cpuflag(avx)
blendps m6, m4, m0, 1100b
%else
movaps m6, m4
shufps m4, m0, q3210
SWAP 4,6
%endif
movlhps m0, m2
movhlps m4, m2
%if cpuflag(avx)
blendps m2, m5, m1, 1100b
%else
movaps m2, m5
shufps m5, m1, q3210
SWAP 2,5
%endif
movlhps m1, m3
movhlps m5, m3
%6 m0,m6,x,x,m7,m3
%6 m4,m1,x,x,m7,m3
%6 m2,m5,x,x,m7,m3
mov %+ %3 %+ ps [dstq ], m0
mov %+ %3 %+ ps [dstq+16], m6
mov %+ %3 %+ ps [dstq+32], m4
mov %+ %3 %+ ps [dstq+48], m1
mov %+ %3 %+ ps [dstq+64], m2
mov %+ %3 %+ ps [dstq+80], m5
%else ; mmx
SBUTTERFLY dq, 0, 1, 6
SBUTTERFLY dq, 2, 3, 6
SBUTTERFLY dq, 4, 5, 6
movq [dstq ], m0
movq [dstq+ 8], m2
movq [dstq+16], m4
movq [dstq+24], m1
movq [dstq+32], m3
movq [dstq+40], m5
%endif
add srcq, mmsize
add dstq, mmsize*6
sub lend, mmsize/4
jg .loop
%if mmsize == 8
emms
RET
%else
REP_RET
%endif
%endmacro
%macro INT16_TO_INT32_N 6
pxor m2, m2
pxor m3, m3
punpcklwd m2, m1
punpckhwd m3, m1
SWAP 4,0
pxor m0, m0
pxor m1, m1
punpcklwd m0, m4
punpckhwd m1, m4
%endmacro
%macro INT32_TO_INT16_N 6
psrad m0, 16
psrad m1, 16
psrad m2, 16
psrad m3, 16
packssdw m0, m1
packssdw m2, m3
SWAP 1,2
%endmacro
%macro INT32_TO_FLOAT_INIT 6
mova %5, [flt2pm31]
%endmacro
%macro INT32_TO_FLOAT_N 6
cvtdq2ps %1, %1
cvtdq2ps %2, %2
mulps %1, %1, %5
mulps %2, %2, %5
%endmacro
%macro FLOAT_TO_INT32_INIT 6
mova %5, [flt2p31]
%endmacro
%macro FLOAT_TO_INT32_N 6
mulps %1, %5
mulps %2, %5
cvtps2dq %6, %1
cmpnltps %1, %5
paddd %1, %6
cvtps2dq %6, %2
cmpnltps %2, %5
paddd %2, %6
%endmacro
%macro INT16_TO_FLOAT_INIT 6
mova m5, [flt2pm31]
%endmacro
%macro INT16_TO_FLOAT_N 6
INT16_TO_INT32_N %1,%2,%3,%4,%5,%6
cvtdq2ps m0, m0
cvtdq2ps m1, m1
cvtdq2ps m2, m2
cvtdq2ps m3, m3
mulps m0, m0, m5
mulps m1, m1, m5
mulps m2, m2, m5
mulps m3, m3, m5
%endmacro
%macro FLOAT_TO_INT16_INIT 6
mova m5, [flt2p15]
%endmacro
%macro FLOAT_TO_INT16_N 6
mulps m0, m5
mulps m1, m5
mulps m2, m5
mulps m3, m5
cvtps2dq m0, m0
cvtps2dq m1, m1
packssdw m0, m1
cvtps2dq m1, m2
cvtps2dq m3, m3
packssdw m1, m3
%endmacro
%macro NOP_N 0-6
%endmacro
INIT_MMX mmx
CONV int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
CONV int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
CONV int16, int32, u, 1, 2, INT32_TO_INT16_N, NOP_N
CONV int16, int32, a, 1, 2, INT32_TO_INT16_N, NOP_N
PACK_6CH float, float, u, 2, 2, NOP_N, NOP_N
PACK_6CH float, float, a, 2, 2, NOP_N, NOP_N
INIT_XMM sse
PACK_6CH float, float, u, 2, 2, NOP_N, NOP_N
PACK_6CH float, float, a, 2, 2, NOP_N, NOP_N
INIT_XMM sse2
CONV int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
CONV int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
CONV int16, int32, u, 1, 2, INT32_TO_INT16_N, NOP_N
CONV int16, int32, a, 1, 2, INT32_TO_INT16_N, NOP_N
PACK_2CH int16, int16, u, 1, 1, NOP_N, NOP_N
PACK_2CH int16, int16, a, 1, 1, NOP_N, NOP_N
PACK_2CH int32, int32, u, 2, 2, NOP_N, NOP_N
PACK_2CH int32, int32, a, 2, 2, NOP_N, NOP_N
PACK_2CH int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
PACK_2CH int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
PACK_2CH int16, int32, u, 1, 2, INT32_TO_INT16_N, NOP_N
PACK_2CH int16, int32, a, 1, 2, INT32_TO_INT16_N, NOP_N
UNPACK_2CH int16, int16, u, 1, 1, NOP_N, NOP_N
UNPACK_2CH int16, int16, a, 1, 1, NOP_N, NOP_N
UNPACK_2CH int32, int32, u, 2, 2, NOP_N, NOP_N
UNPACK_2CH int32, int32, a, 2, 2, NOP_N, NOP_N
UNPACK_2CH int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
UNPACK_2CH int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
UNPACK_2CH int16, int32, u, 1, 2, INT32_TO_INT16_N, NOP_N
UNPACK_2CH int16, int32, a, 1, 2, INT32_TO_INT16_N, NOP_N
CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
CONV int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
CONV float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
CONV float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
CONV int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
CONV int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
PACK_2CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_2CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_2CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_2CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
PACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
PACK_2CH int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
PACK_2CH int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
UNPACK_2CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
UNPACK_2CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
UNPACK_2CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
UNPACK_2CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
UNPACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
UNPACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
UNPACK_2CH int16, float, u, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
UNPACK_2CH int16, float, a, 1, 2, FLOAT_TO_INT16_N, FLOAT_TO_INT16_INIT
PACK_6CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_6CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_6CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_6CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
INIT_XMM ssse3
UNPACK_2CH int16, int16, u, 1, 1, NOP_N, NOP_N
UNPACK_2CH int16, int16, a, 1, 1, NOP_N, NOP_N
UNPACK_2CH int32, int16, u, 2, 1, INT16_TO_INT32_N, NOP_N
UNPACK_2CH int32, int16, a, 2, 1, INT16_TO_INT32_N, NOP_N
UNPACK_2CH float, int16, u, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
UNPACK_2CH float, int16, a, 2, 1, INT16_TO_FLOAT_N, INT16_TO_FLOAT_INIT
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
PACK_6CH float, float, u, 2, 2, NOP_N, NOP_N
PACK_6CH float, float, a, 2, 2, NOP_N, NOP_N
PACK_6CH float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_6CH float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
PACK_6CH int32, float, u, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
PACK_6CH int32, float, a, 2, 2, FLOAT_TO_INT32_N, FLOAT_TO_INT32_INIT
INIT_YMM avx
CONV float, int32, u, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
CONV float, int32, a, 2, 2, INT32_TO_FLOAT_N, INT32_TO_FLOAT_INIT
%endif
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