377 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			6.7 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
/***************************************************************************
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Copyright (c) 2013, The OpenBLAS Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. Neither the name of the OpenBLAS project nor the names of
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its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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/**************************************************************************************
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* 2013/11/15 Saar
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* 	 BLASTEST 		: OK
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* 	 CTEST			: OK
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* 	 TEST			: OK
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*
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**************************************************************************************/
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#define ASSEMBLER
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#include "common.h"
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#define STACKSIZE 256
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#define	OLD_INC_X	[sp, #0 ]
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#define	N	r0
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#define	INC_X	r1
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#define	X	r3
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#define I	r12
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#define X_PRE	512
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/**************************************************************************************
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* Macro definitions
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**************************************************************************************/
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/*****************************************************************************************/
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#if	!defined(COMPLEX)
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#if	defined(DOUBLE)
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.macro KERNEL_F4
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	pld	[ X, #X_PRE ]
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	vldmia.f64	X,  { d4 - d7 }
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	vmul.f64    d4, d4, d0
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	vmul.f64    d5, d5, d0
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	vmul.f64    d6, d6, d0
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	vstmia.f64	X!, { d4 - d5 }
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	vmul.f64    d7, d7, d0
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	vstmia.f64	X!, { d6 - d7 }
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.endm
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.macro KERNEL_F1
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	vldmia.f64	X,  { d4 }
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	vmul.f64    d4, d4, d0
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	vstmia.f64	X!, { d4 }
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.endm
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.macro KERNEL_S1
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	vldmia.f64	X,  { d4 }
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	vmul.f64    d4, d4, d0
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	vstmia.f64	X,  { d4 }
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	add	X, X, INC_X
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.endm
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#else
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.macro KERNEL_F4
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	vldmia.f32	X,  { s4 - s7 }
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	vmul.f32    s4, s4, s0
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	vmul.f32    s5, s5, s0
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	vmul.f32    s6, s6, s0
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	vstmia.f32	X!, { s4 - s5 }
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	vmul.f32    s7, s7, s0
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	vstmia.f32	X!, { s6 - s7 }
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.endm
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.macro KERNEL_F1
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	vldmia.f32	X,  { s4 }
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	vmul.f32    s4, s4, s0
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	vstmia.f32	X!, { s4 }
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.endm
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.macro KERNEL_S1
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	vldmia.f32	X,  { s4 }
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	vmul.f32    s4, s4, s0
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	vstmia.f32	X,  { s4 }
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	add	X, X, INC_X
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.endm
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#endif
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#else
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#if	defined(DOUBLE)
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.macro KERNEL_F4
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	pld	[ X, #X_PRE ]
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X!, { d2 - d3 }
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X!, { d2 - d3 }
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	pld	[ X, #X_PRE ]
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X!, { d2 - d3 }
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X!, { d2 - d3 }
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.endm
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.macro KERNEL_F1
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X!, { d2 - d3 }
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.endm
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.macro KERNEL_S1
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	vldmia.f64	X,  { d4 - d5 }
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	vmul.f64    d2, d0, d4
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	vmls.f64    d2, d1, d5
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	vmul.f64    d3, d0, d5
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	fmacd      d3, d1, d4
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	vstmia.f64	X, { d2 - d3 }
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	add	X, X, INC_X
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.endm
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#else
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.macro KERNEL_F4
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	pld	[ X, #X_PRE ]
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X!, { s2 - s3 }
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X!, { s2 - s3 }
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X!, { s2 - s3 }
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X!, { s2 - s3 }
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.endm
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.macro KERNEL_F1
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X!, { s2 - s3 }
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.endm
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.macro KERNEL_S1
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	vldmia.f32	X,  { s4 - s5 }
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	vmul.f32    s2, s0, s4
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	vmls.f32    s2, s1, s5
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	vmul.f32    s3, s0, s5
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	fmacs      s3, s1, s4
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	vstmia.f32	X, { s2 - s3 }
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	add	X, X, INC_X
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.endm
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#endif
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#endif
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/**************************************************************************************
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* End of macro definitions
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**************************************************************************************/
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	PROLOGUE
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	.align 5
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	ldr    INC_X , OLD_INC_X
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	cmp	N, #0
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	ble	scal_kernel_L999
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	cmp	INC_X, #0
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	ble	scal_kernel_L999
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	cmp	INC_X, #1
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	bne	scal_kernel_S_BEGIN
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scal_kernel_F_BEGIN:
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	asrs	I, N, #2					// I = N / 4
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	ble	scal_kernel_F1
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	.align 5
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scal_kernel_F4:
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#if !defined(COMPLEX) && !defined(DOUBLE)
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	pld	[ X, #X_PRE ]
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#endif
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	KERNEL_F4
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	subs	I, I, #1
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	ble	scal_kernel_F1
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	KERNEL_F4
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	subs	I, I, #1
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	bne	scal_kernel_F4
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scal_kernel_F1:
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	ands	I, N, #3
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	ble	scal_kernel_L999
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scal_kernel_F10:
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	KERNEL_F1
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	subs    I, I, #1
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        bne     scal_kernel_F10
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	b	scal_kernel_L999
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scal_kernel_S_BEGIN:
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#if defined(COMPLEX)
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#if defined(DOUBLE)
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	lsl	INC_X, INC_X, #4				// INC_X * SIZE * 2
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#else
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	lsl	INC_X, INC_X, #3				// INC_X * SIZE * 2
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#endif
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#else
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#if defined(DOUBLE)
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	lsl	INC_X, INC_X, #3				// INC_X * SIZE
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#else
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	lsl	INC_X, INC_X, #2				// INC_X * SIZE
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#endif
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#endif
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	asrs	I, N, #2					// I = N / 4
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	ble	scal_kernel_S1
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	.align 5
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scal_kernel_S4:
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	KERNEL_S1
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	KERNEL_S1
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	KERNEL_S1
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	KERNEL_S1
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	subs	I, I, #1
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	bne	scal_kernel_S4
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scal_kernel_S1:
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	ands	I, N, #3
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	ble	scal_kernel_L999
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scal_kernel_S10:
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	KERNEL_S1
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	subs    I, I, #1
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        bne     scal_kernel_S10
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scal_kernel_L999:
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	mov	r0, #0		// set return value
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	bx	lr
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	EPILOGUE
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