added nrm2 kernel for all precisions
This commit is contained in:
wernsaar
parent
23dd474cd0
commit
f27cabfd08
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@ -55,10 +55,10 @@ DDOTKERNEL = ddot_vfpv3.S
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CDOTKERNEL = cdot_vfpv3.S
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ZDOTKERNEL = zdot_vfpv3.S
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SNRM2KERNEL = ../arm/nrm2.c
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DNRM2KERNEL = ../arm/nrm2.c
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CNRM2KERNEL = ../arm/znrm2.c
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ZNRM2KERNEL = ../arm/znrm2.c
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SNRM2KERNEL = nrm2_vfpv3.S
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DNRM2KERNEL = nrm2_vfpv3.S
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CNRM2KERNEL = nrm2_vfpv3.S
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ZNRM2KERNEL = nrm2_vfpv3.S
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SROTKERNEL = rot_vfpv3.S
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DROTKERNEL = rot_vfpv3.S
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@ -0,0 +1,508 @@
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/***************************************************************************
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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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* 2013/11/16 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 N r0
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#define X r1
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#define INC_X r2
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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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#if !defined(COMPLEX)
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#if defined(DOUBLE)
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.macro KERNEL_F1
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fldmiad X!, { d4 }
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vcmpe.f64 d4, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_NEXT_\@
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vabs.f64 d4, d4
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vcmpe.f64 d0, d4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d4, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_NEXT_\@
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vdiv.f64 d2 , d0, d4 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d4 // scale = x
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KERNEL_F1_NEXT_\@:
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.endm
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.macro KERNEL_F8
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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.endm
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.macro KERNEL_S1
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fldmiad X, { d4 }
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vcmpe.f64 d4, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_NEXT
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vabs.f64 d4, d4
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vcmpe.f64 d0, d4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d4, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_NEXT
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vdiv.f64 d2 , d0, d4 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d4 // scale = x
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KERNEL_S1_NEXT:
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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_F1
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fldmias X!, { s4 }
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vcmpe.f32 s4, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_NEXT_\@
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vabs.f32 s4, s4
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vcmpe.f32 s0, s4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s4, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_NEXT_\@
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vdiv.f32 s2 , s0, s4 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s4 // scale = x
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KERNEL_F1_NEXT_\@:
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.endm
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.macro KERNEL_F8
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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.endm
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.macro KERNEL_S1
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fldmias X, { s4 }
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vcmpe.f32 s4, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_NEXT
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vabs.f32 s4, s4
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vcmpe.f32 s0, s4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s4, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_NEXT
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vdiv.f32 s2 , s0, s4 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s4 // scale = x
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KERNEL_S1_NEXT:
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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_F1
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fldmiad X!, { d4 - d5 }
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vcmpe.f64 d4, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_NEXT_\@
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vabs.f64 d4, d4
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vcmpe.f64 d0, d4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d4, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_NEXT_\@
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vdiv.f64 d2 , d0, d4 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d4 // scale = x
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KERNEL_F1_NEXT_\@:
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vcmpe.f64 d5, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_END_\@
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vabs.f64 d5, d5
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vcmpe.f64 d0, d5 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d5, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_END_\@
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vdiv.f64 d2 , d0, d5 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d5 // scale = x
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KERNEL_F1_END_\@:
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.endm
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.macro KERNEL_F8
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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.endm
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.macro KERNEL_S1
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fldmiad X, { d4 - d5 }
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vcmpe.f64 d4, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_NEXT_\@
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vabs.f64 d4, d4
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vcmpe.f64 d0, d4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d4, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_NEXT_\@
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vdiv.f64 d2 , d0, d4 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d4 // scale = x
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KERNEL_S1_NEXT_\@:
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vcmpe.f64 d5, d6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_END_\@
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vabs.f64 d5, d5
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vcmpe.f64 d0, d5 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f64 d2 , d5, d0 // scale >= x ? x / scale
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vmlage.f64 d1 , d2 , d2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_END_\@
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vdiv.f64 d2 , d0, d5 // scale / x
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vmul.f64 d2 , d2, d2 // ( scale / x ) * ( scale / x )
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vmul.f64 d3 , d1, d2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f64 d1 , d3, d7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f64 d0 , d5 // scale = x
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KERNEL_S1_END_\@:
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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_F1
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fldmias X!, { s4 - s5 }
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vcmpe.f32 s4, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_NEXT_\@
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vabs.f32 s4, s4
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vcmpe.f32 s0, s4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s4, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_NEXT_\@
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vdiv.f32 s2 , s0, s4 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s4 // scale = x
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KERNEL_F1_NEXT_\@:
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vcmpe.f32 s5, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_F1_END_\@
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vabs.f32 s5, s5
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vcmpe.f32 s0, s5 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s5, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_F1_END_\@
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vdiv.f32 s2 , s0, s5 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s5 // scale = x
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KERNEL_F1_END_\@:
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.endm
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.macro KERNEL_F8
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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pld [ X, #X_PRE ]
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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KERNEL_F1
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.endm
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.macro KERNEL_S1
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fldmias X, { s4 - s5 }
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vcmpe.f32 s4, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_NEXT_\@
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vabs.f32 s4, s4
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vcmpe.f32 s0, s4 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s4, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_NEXT_\@
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vdiv.f32 s2 , s0, s4 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s4 // scale = x
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KERNEL_S1_NEXT_\@:
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vcmpe.f32 s5, s6 // compare with 0.0
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vmrs APSR_nzcv, fpscr
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beq KERNEL_S1_END_\@
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vabs.f32 s5, s5
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vcmpe.f32 s0, s5 // compare with scale
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vmrs APSR_nzcv, fpscr
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vdivge.f32 s2 , s5, s0 // scale >= x ? x / scale
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vmlage.f32 s1 , s2 , s2 // ssq += ( x/scale ) * ( x/scale )
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bge KERNEL_S1_END_\@
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vdiv.f32 s2 , s0, s5 // scale / x
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vmul.f32 s2 , s2, s2 // ( scale / x ) * ( scale / x )
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vmul.f32 s3 , s1, s2 // ssq * ( scale / x ) * ( scale / x )
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vadd.f32 s1 , s3, s7 // ssq = 1 + ssq * ( scale / x ) * ( scale / x )
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vmov.f32 s0 , s5 // scale = x
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KERNEL_S1_END_\@:
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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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#if defined(DOUBLE)
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vsub.f64 d0 , d0 , d0 // scale=0.0
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vmov.f64 d1 , #1.0 // ssq=1.0
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vmov.f64 d7 , d1 // value 1.0
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vmov.f64 d6 , d0 // value 0.0
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#else
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vsub.f32 s0 , s0 , s0 // scale=0.0
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vmov.f32 s1 , #1.0 // ssq=1.0
|
||||
vmov.f32 s7 , s1 // value 1.0
|
||||
vmov.f32 s6 , s0 // value 0.0
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
cmp N, #0
|
||||
ble nrm2_kernel_L999
|
||||
|
||||
cmp INC_X, #0
|
||||
beq nrm2_kernel_L999
|
||||
|
||||
|
||||
cmp INC_X, #1
|
||||
bne nrm2_kernel_S_BEGIN
|
||||
|
||||
|
||||
nrm2_kernel_F_BEGIN:
|
||||
|
||||
asrs I, N, #3 // I = N / 8
|
||||
ble nrm2_kernel_F1
|
||||
|
||||
nrm2_kernel_F8:
|
||||
|
||||
KERNEL_F8
|
||||
|
||||
subs I, I, #1
|
||||
bne nrm2_kernel_F8
|
||||
|
||||
nrm2_kernel_F1:
|
||||
|
||||
ands I, N, #7
|
||||
ble nrm2_kernel_L999
|
||||
|
||||
|
||||
nrm2_kernel_F10:
|
||||
|
||||
KERNEL_F1
|
||||
|
||||
subs I, I, #1
|
||||
bne nrm2_kernel_F10
|
||||
|
||||
b nrm2_kernel_L999
|
||||
|
||||
nrm2_kernel_S_BEGIN:
|
||||
|
||||
#if defined(COMPLEX)
|
||||
|
||||
#if defined(DOUBLE)
|
||||
lsl INC_X, INC_X, #4 // INC_X * SIZE * 2
|
||||
#else
|
||||
lsl INC_X, INC_X, #3 // INC_X * SIZE * 2
|
||||
#endif
|
||||
|
||||
#else
|
||||
|
||||
#if defined(DOUBLE)
|
||||
lsl INC_X, INC_X, #3 // INC_X * SIZE
|
||||
#else
|
||||
lsl INC_X, INC_X, #2 // INC_X * SIZE
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
nrm2_kernel_S1:
|
||||
|
||||
mov I, N
|
||||
|
||||
.align 5
|
||||
|
||||
nrm2_kernel_S10:
|
||||
|
||||
KERNEL_S1
|
||||
|
||||
subs I, I, #1
|
||||
bne nrm2_kernel_S10
|
||||
|
||||
|
||||
nrm2_kernel_L999:
|
||||
|
||||
#if defined(DOUBLE)
|
||||
vsqrt.f64 d1, d1
|
||||
vmul.f64 d0, d0, d1
|
||||
#else
|
||||
vsqrt.f32 s1, s1
|
||||
vmul.f32 s0, s0, s1
|
||||
#endif
|
||||
|
||||
bx lr
|
||||
|
||||
EPILOGUE
|
||||
|
||||
Loading…
Reference in New Issue