Fixes checkasm on systems like win64. Reviewed-by: Lynne Signed-off-by: James Almer <jamrial@gmail.com>
		
			
				
	
	
		
			112 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
;******************************************************************************
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;* Opus SIMD functions
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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         ; 0.85..^1    0.85..^2    0.85..^3    0.85..^4
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tab_st: dd 0x3f599a00, 0x3f38f671, 0x3f1d382a, 0x3f05a32f
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SECTION .text
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INIT_XMM fma3
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%if UNIX64
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cglobal opus_deemphasis, 3, 3, 8, out, in, len
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%else
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cglobal opus_deemphasis, 4, 4, 8, out, in, coeff, len
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%endif
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%if ARCH_X86_32
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    VBROADCASTSS m0, coeffm
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%elif WIN64
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    shufps m0, m2, m2, 0
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%else
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    shufps m0, m0, 0
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%endif
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    movaps m4, [tab_st]
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    VBROADCASTSS m5, m4
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    shufps m6, m4, m4, q1111
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    shufps m7, m4, m4, q2222
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.loop:
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    movaps  m1, [inq]                ; x0, x1, x2, x3
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    pslldq  m2, m1, 4                ;  0, x0, x1, x2
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    pslldq  m3, m1, 8                ;  0,  0, x0, x1
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    fmaddps m2, m2, m5, m1           ; x + c1*x[0-2]
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    pslldq  m1, 12                   ;  0,  0,  0, x0
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    fmaddps m2, m3, m6, m2           ; x + c1*x[0-2] + c2*x[0-1]
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    fmaddps m1, m1, m7, m2           ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0]
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    fmaddps m0, m0, m4, m1           ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] + c*s
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    movaps [outq], m0
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    shufps m0, m0, q3333             ; new state
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    add inq,  mmsize
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    add outq, mmsize
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    sub lend, mmsize >> 2
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    jg .loop
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%if ARCH_X86_64 == 0
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    movss r0m, m0
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    fld dword r0m
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%endif
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    RET
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INIT_XMM fma3
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cglobal opus_postfilter, 4, 4, 8, data, period, gains, len
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    VBROADCASTSS m0, [gainsq + 0]
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    VBROADCASTSS m1, [gainsq + 4]
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    VBROADCASTSS m2, [gainsq + 8]
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    shl periodd, 2
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    add periodq, 8
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    neg periodq
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    movups  m3, [dataq + periodq]
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    mulps   m3, m2
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.loop:
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    movups  m4, [dataq + periodq +  4]
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    movups  m5, [dataq + periodq +  8]
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    movups  m6, [dataq + periodq + 12]
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    movups  m7, [dataq + periodq + 16]
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    fmaddps m3, m7, m2, m3
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    addps   m6, m4
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    fmaddps m5, m5, m0, [dataq]
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    fmaddps m6, m6, m1, m3
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    addps   m5, m6
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    mulps   m3, m7, m2
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    movaps  [dataq], m5
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    add dataq, mmsize
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    sub lend,  mmsize >> 2
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    jg .loop
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    RET
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