;* 32 point SSE-optimized DCT transform
;* Copyright (c) 2010 Vitor Sessak
;*
-;* This file is part of Libav.
+;* This file is part of FFmpeg.
;*
-;* Libav is free software; you can redistribute it and/or
+;* 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.
;*
-;* Libav is distributed in the hope that it will be useful,
+;* 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 Libav; if not, write to the Free Software
+;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
-%include "config.asm"
+%include "x86util.asm"
SECTION_RODATA 32
dd 1.000000, 1.000000, 1.306563, 0.541196
dd 1.000000, 0.707107, 1.000000, -0.707107
dd 1.000000, 0.707107, 1.000000, -0.707107
+ dd 0.707107, 0.707107, 0.707107, 0.707107
-
+align 32
ps_p1p1m1m1: dd 0, 0, 0x80000000, 0x80000000, 0, 0, 0x80000000, 0x80000000
%macro BUTTERFLY_SSE 4
BUTTERFLY0 %1, %2, %3, %4, 0xb1
%endmacro
+%macro BUTTERFLY3V 5
+ movaps m%5, m%1
+ addps m%1, m%2
+ subps m%5, m%2
+ SWAP %2, %5
+ mulps m%2, [ps_cos_vec+192]
+ movaps m%5, m%3
+ addps m%3, m%4
+ subps m%4, m%5
+ mulps m%4, [ps_cos_vec+192]
+%endmacro
+
%macro PASS6_AND_PERMUTE 0
mov tmpd, [outq+4]
movss m7, [outq+72]
%define BUTTERFLY BUTTERFLY_SSE
%define BUTTERFLY0 BUTTERFLY0_SSE
+%ifdef ARCH_X86_64
+%define SPILL SWAP
+%define UNSPILL SWAP
+
+%macro PASS5 0
+ nop ; FIXME code alignment
+ SWAP 5, 8
+ SWAP 4, 12
+ SWAP 6, 14
+ SWAP 7, 13
+ SWAP 0, 15
+ PERMUTE 9,10, 10,12, 11,14, 12,9, 13,11, 14,13
+ TRANSPOSE4x4PS 8, 9, 10, 11, 0
+ BUTTERFLY3V 8, 9, 10, 11, 0
+ addps m10, m11
+ TRANSPOSE4x4PS 12, 13, 14, 15, 0
+ BUTTERFLY3V 12, 13, 14, 15, 0
+ addps m14, m15
+ addps m12, m14
+ addps m14, m13
+ addps m13, m15
+%endmacro
+
+%macro PASS6 0
+ SWAP 9, 12
+ SWAP 11, 14
+ movss [outq+0x00], m8
+ pshuflw m0, m8, 0xe
+ movss [outq+0x10], m9
+ pshuflw m1, m9, 0xe
+ movss [outq+0x20], m10
+ pshuflw m2, m10, 0xe
+ movss [outq+0x30], m11
+ pshuflw m3, m11, 0xe
+ movss [outq+0x40], m12
+ pshuflw m4, m12, 0xe
+ movss [outq+0x50], m13
+ pshuflw m5, m13, 0xe
+ movss [outq+0x60], m14
+ pshuflw m6, m14, 0xe
+ movaps [outq+0x70], m15
+ pshuflw m7, m15, 0xe
+ addss m0, m1
+ addss m1, m2
+ movss [outq+0x08], m0
+ addss m2, m3
+ movss [outq+0x18], m1
+ addss m3, m4
+ movss [outq+0x28], m2
+ addss m4, m5
+ movss [outq+0x38], m3
+ addss m5, m6
+ movss [outq+0x48], m4
+ addss m6, m7
+ movss [outq+0x58], m5
+ movss [outq+0x68], m6
+ movss [outq+0x78], m7
+
+ PERMUTE 1,8, 3,9, 5,10, 7,11, 9,12, 11,13, 13,14, 8,1, 10,3, 12,5, 14,7
+ movhlps m0, m1
+ pshufd m1, m1, 3
+ SWAP 0, 2, 4, 6, 8, 10, 12, 14
+ SWAP 1, 3, 5, 7, 9, 11, 13, 15
+%rep 7
+ movhlps m0, m1
+ pshufd m1, m1, 3
+ addss m15, m1
+ SWAP 0, 2, 4, 6, 8, 10, 12, 14
+ SWAP 1, 3, 5, 7, 9, 11, 13, 15
+%endrep
+%assign i 4
+%rep 15
+ addss m0, m1
+ movss [outq+i], m0
+ SWAP 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+ %assign i i+8
+%endrep
+%endmacro
+
+%else ; ARCH_X86_32
+%macro SPILL 2 ; xmm#, mempos
+ movaps [outq+(%2-8)*16], m%1
+%endmacro
+%macro UNSPILL 2
+ movaps m%1, [outq+(%2-8)*16]
+%endmacro
+
+%define PASS6 PASS6_AND_PERMUTE
+%macro PASS5 0
+ movaps m2, [ps_cos_vec+160]
+ shufps m3, m3, 0xcc
+
+ BUTTERFLY3 m5, m3, m2, m1
+ SPILL 5, 8
+
+ UNSPILL 1, 9
+ BUTTERFLY3 m1, m3, m2, m5
+ SPILL 1, 14
+
+ BUTTERFLY3 m4, m3, m2, m5
+ SPILL 4, 12
+
+ BUTTERFLY3 m7, m3, m2, m5
+ SPILL 7, 13
+
+ UNSPILL 5, 10
+ BUTTERFLY3 m5, m3, m2, m7
+ SPILL 5, 10
+
+ UNSPILL 4, 11
+ BUTTERFLY3 m4, m3, m2, m7
+ SPILL 4, 11
+
+ BUTTERFLY3 m6, m3, m2, m7
+ SPILL 6, 9
+
+ BUTTERFLY3 m0, m3, m2, m7
+ SPILL 0, 15
+%endmacro
+%endif
+
+
INIT_XMM
; void ff_dct32_float_sse(FFTSample *out, const FFTSample *in)
-cglobal dct32_float_sse, 2,3,8, out, in, tmp
+cglobal dct32_float_sse, 2,3,16, out, in, tmp
; pass 1
movaps m0, [inq+0]
; pass 2
movaps m2, [ps_cos_vec+64]
BUTTERFLY m1, m4, m2, m3
- movaps [outq+48], m1
- movaps [outq+ 0], m4
+ SPILL 1, 11
+ SPILL 4, 8
; pass 1
movaps m1, [inq+16]
movaps m2, [ps_cos_vec+96]
shufps m1, m1, 0x1b
BUTTERFLY m0, m1, m2, m3
- movaps [outq+112], m0
- movaps [outq+ 96], m1
+ SPILL 0, 15
+ SPILL 1, 14
- movaps m0, [outq+0]
+ UNSPILL 0, 8
shufps m5, m5, 0x1b
BUTTERFLY m0, m5, m2, m3
- movaps m1, [outq+48]
+ UNSPILL 1, 11
shufps m6, m6, 0x1b
BUTTERFLY m1, m6, m2, m3
- movaps [outq+48], m1
+ SPILL 1, 11
shufps m4, m4, 0x1b
BUTTERFLY m7, m4, m2, m3
BUTTERFLY2 m5, m3, m2, m1
BUTTERFLY2 m0, m3, m2, m1
- movaps [outq+16], m0
+ SPILL 0, 9
BUTTERFLY2 m6, m3, m2, m1
- movaps [outq+32], m6
+ SPILL 6, 10
- movaps m0, [outq+48]
+ UNSPILL 0, 11
BUTTERFLY2 m0, m3, m2, m1
- movaps [outq+48], m0
+ SPILL 0, 11
BUTTERFLY2 m4, m3, m2, m1
BUTTERFLY2 m7, m3, m2, m1
- movaps m6, [outq+96]
+ UNSPILL 6, 14
BUTTERFLY2 m6, m3, m2, m1
- movaps m0, [outq+112]
+ UNSPILL 0, 15
BUTTERFLY2 m0, m3, m2, m1
- ; pass 5
- movaps m2, [ps_cos_vec+160]
- shufps m3, m3, 0xcc
-
- BUTTERFLY3 m5, m3, m2, m1
- movaps [outq+0], m5
-
- movaps m1, [outq+16]
- BUTTERFLY3 m1, m3, m2, m5
- movaps [outq+96], m1
-
- BUTTERFLY3 m4, m3, m2, m5
- movaps [outq+64], m4
-
- BUTTERFLY3 m7, m3, m2, m5
- movaps [outq+80], m7
-
- movaps m5, [outq+32]
- BUTTERFLY3 m5, m3, m2, m7
- movaps [outq+32], m5
-
- movaps m4, [outq+48]
- BUTTERFLY3 m4, m3, m2, m7
- movaps [outq+48], m4
-
- BUTTERFLY3 m6, m3, m2, m7
- movaps [outq+16], m6
-
- BUTTERFLY3 m0, m3, m2, m7
- movaps [outq+112], m0
-
-
- ; pass 6, no SIMD...
- PASS6_AND_PERMUTE
+ PASS5
+ PASS6
RET