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removed obsolete file sdot_vfpv3.S

tags/v0.2.9.rc1
wernsaar 12 years ago
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commit
9f0a3a35b3
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      kernel/arm/sdot_vfpv3.S

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kernel/arm/sdot_vfpv3.S View File

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/***************************************************************************
Copyright (c) 2013, The OpenBLAS Project
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
3. Neither the name of the OpenBLAS project nor the names of
its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/

/**************************************************************************************
* 2013/11/11 Saar
* BLASTEST : OK
* CTEST : OK (no test for dsdot)
* TEST : OK (no test for dsdot)
*
**************************************************************************************/

#define ASSEMBLER
#include "common.h"

#define STACKSIZE 256

#define N r0
#define X r1
#define INC_X r2
#define OLD_Y r3


/******************************************************
* [fp, #-128] - [fp, #-64] is reserved
* for store and restore of floating point
* registers
*******************************************************/

#define OLD_INC_Y [fp, #4 ]

#define I r5
#define Y r6
#define INC_Y r7

#define X_PRE 512

/**************************************************************************************
* Macro definitions
**************************************************************************************/

#if defined(DSDOT)

.macro KERNEL_F4

fldmias X!, { s14 }
fldmias Y!, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16

fldmias X!, { s14 }
fldmias Y!, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16

fldmias X!, { s14 }
fldmias Y!, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16

fldmias X!, { s14 }
fldmias Y!, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16

.endm

.macro KERNEL_F1

fldmias X!, { s14 }
fldmias Y!, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16

.endm


.macro KERNEL_S4

nop

fldmias X, { s14 }
fldmias Y, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16
add X, X, INC_X
add Y, Y, INC_Y

fldmias X, { s14 }
fldmias Y, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16
add X, X, INC_X
add Y, Y, INC_Y

fldmias X, { s14 }
fldmias Y, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16
add X, X, INC_X
add Y, Y, INC_Y

fldmias X, { s14 }
fldmias Y, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16
add X, X, INC_X
add Y, Y, INC_Y

.endm


.macro KERNEL_S1

fldmias X, { s14 }
fldmias Y, { s15 }
vmul.f32 s15, s14, s15
vcvt.f64.f32 d16, s15
vadd.f64 d0 , d0, d16
add X, X, INC_X
add Y, Y, INC_Y

.endm



#else

.macro KERNEL_F4

fldmias X!, { s8 - s9 }
fldmias Y!, { s4 - s5}
fmacs s0 , s4, s8
fldmias X!, { s10 - s11 }
fmacs s1 , s5, s9
fldmias Y!, { s6 - s7 }
fmacs s0 , s6, s10
fmacs s1 , s7, s11

.endm

.macro KERNEL_F1

fldmias X!, { s4 }
fldmias Y!, { s8 }
fmacs s0 , s4, s8

.endm


.macro KERNEL_S4

nop
fldmias X, { s4 }
fldmias Y, { s8 }
add X, X, INC_X
add Y, Y, INC_Y
fmacs s0 , s4, s8

fldmias X, { s5 }
fldmias Y, { s9 }
add X, X, INC_X
add Y, Y, INC_Y
fmacs s1 , s5, s9

fldmias X, { s6 }
fldmias Y, { s10 }
add X, X, INC_X
add Y, Y, INC_Y
fmacs s0 , s6, s10

fldmias X, { s7 }
fldmias Y, { s11 }
add X, X, INC_X
add Y, Y, INC_Y
fmacs s1 , s7, s11

.endm


.macro KERNEL_S1

fldmias X, { s4 }
fldmias Y, { s8 }
add X, X, INC_X
fmacs s0 , s4, s8
add Y, Y, INC_Y

.endm

#endif

/**************************************************************************************
* End of macro definitions
**************************************************************************************/

PROLOGUE

.align 5

push {r4 - r9, fp}
add fp, sp, #24
sub sp, sp, #STACKSIZE // reserve stack

sub r4, fp, #128
vstm r4, { s8 - s15 } // store floating point registers

mov Y, OLD_Y
ldr INC_Y, OLD_INC_Y
#if defined(DSDOT)

vsub.f64 d0 , d0 , d0
vsub.f64 d1 , d1 , d1

#else

vsub.f32 s0 , s0 , s0
vsub.f32 s1 , s1 , s1

#endif

cmp N, #0
ble sdot_kernel_L999

cmp INC_X, #0
beq sdot_kernel_L999

cmp INC_Y, #0
beq sdot_kernel_L999

cmp INC_X, #1
bne sdot_kernel_S_BEGIN

cmp INC_Y, #1
bne sdot_kernel_S_BEGIN

sdot_kernel_F_BEGIN:

asrs I, N, #2 // I = N / 4
ble sdot_kernel_F1

sdot_kernel_F4:

KERNEL_F4

subs I, I, #1
bne sdot_kernel_F4

sdot_kernel_F1:

ands I, N, #3
ble sdot_kernel_L999

sdot_kernel_F10:

KERNEL_F1

subs I, I, #1
bne sdot_kernel_F10

b sdot_kernel_L999

sdot_kernel_S_BEGIN:

lsl INC_X, INC_X, #2 // INC_X * SIZE
lsl INC_Y, INC_Y, #2 // INC_Y * SIZE

asrs I, N, #2 // I = N / 4
ble sdot_kernel_S1

sdot_kernel_S4:

KERNEL_S4

subs I, I, #1
bne sdot_kernel_S4

sdot_kernel_S1:

ands I, N, #3
ble sdot_kernel_L999

sdot_kernel_S10:

KERNEL_S1

subs I, I, #1
bne sdot_kernel_S10






sdot_kernel_L999:

sub r3, fp, #128
vldm r3, { s8 - s15} // restore floating point registers

#if defined(DSDOT)

vadd.f64 d0 , d0, d1 // set return value

#else

vadd.f32 s0 , s0, s1 // set return value

#endif
sub sp, fp, #24
pop {r4 - r9, fp}
bx lr

EPILOGUE


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