287 lines
6.0 KiB
ArmAsm
287 lines
6.0 KiB
ArmAsm
/***************************************************************************
|
|
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
|
|
* TEST : OK
|
|
*
|
|
**************************************************************************************/
|
|
|
|
#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
|
|
**************************************************************************************/
|
|
|
|
.macro KERNEL_F4
|
|
|
|
pld [ X, #X_PRE ]
|
|
pld [ Y, #X_PRE ]
|
|
|
|
fldmiad X!, { d4 - d5 }
|
|
fldmiad Y!, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fldmiad X!, { d6 - d7 }
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
|
|
fldmiad Y!, { d10 - d11 }
|
|
fmacd d0 , d6, d10
|
|
fmacd d1 , d6, d11
|
|
pld [ X, #X_PRE ]
|
|
fmacd d2 , d7, d11
|
|
fmacd d3 , d7, d10
|
|
|
|
pld [ Y, #X_PRE ]
|
|
|
|
fldmiad X!, { d4 - d5 }
|
|
fldmiad Y!, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fldmiad X!, { d6 - d7 }
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
|
|
fldmiad Y!, { d10 - d11 }
|
|
fmacd d0 , d6, d10
|
|
fmacd d1 , d6, d11
|
|
fmacd d2 , d7, d11
|
|
fmacd d3 , d7, d10
|
|
|
|
.endm
|
|
|
|
.macro KERNEL_F1
|
|
|
|
fldmiad X!, { d4 - d5 }
|
|
fldmiad Y!, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
|
|
.endm
|
|
|
|
|
|
/*************************************************************************************************************************/
|
|
|
|
.macro KERNEL_S4
|
|
|
|
nop
|
|
|
|
fldmiad X, { d4 - d5 }
|
|
fldmiad Y, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
fldmiad X, { d4 - d5 }
|
|
fldmiad Y, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
fldmiad X, { d4 - d5 }
|
|
fldmiad Y, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
fldmiad X, { d4 - d5 }
|
|
fldmiad Y, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_S1
|
|
|
|
fldmiad X, { d4 - d5 }
|
|
fldmiad Y, { d8 - d9 }
|
|
fmacd d0 , d4, d8
|
|
fmacd d1 , d4, d9
|
|
fmacd d2 , d5, d9
|
|
fmacd d3 , d5, d8
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
|
|
|
|
/**************************************************************************************
|
|
* 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, { d8 - d15} // store floating point registers
|
|
|
|
mov Y, OLD_Y
|
|
ldr INC_Y, OLD_INC_Y
|
|
|
|
vsub.f64 d0 , d0 , d0
|
|
vsub.f64 d1 , d1 , d1
|
|
vsub.f64 d2 , d2 , d2
|
|
vsub.f64 d3 , d3 , d3
|
|
|
|
cmp N, #0
|
|
ble zdot_kernel_L999
|
|
|
|
cmp INC_X, #0
|
|
beq zdot_kernel_L999
|
|
|
|
cmp INC_Y, #0
|
|
beq zdot_kernel_L999
|
|
|
|
cmp INC_X, #1
|
|
bne zdot_kernel_S_BEGIN
|
|
|
|
cmp INC_Y, #1
|
|
bne zdot_kernel_S_BEGIN
|
|
|
|
zdot_kernel_F_BEGIN:
|
|
|
|
asrs I, N, #2 // I = N / 4
|
|
ble zdot_kernel_F1
|
|
|
|
zdot_kernel_F4:
|
|
|
|
KERNEL_F4
|
|
|
|
subs I, I, #1
|
|
bne zdot_kernel_F4
|
|
|
|
zdot_kernel_F1:
|
|
|
|
ands I, N, #3
|
|
ble zdot_kernel_L999
|
|
|
|
zdot_kernel_F10:
|
|
|
|
KERNEL_F1
|
|
|
|
subs I, I, #1
|
|
bne zdot_kernel_F10
|
|
|
|
b zdot_kernel_L999
|
|
|
|
zdot_kernel_S_BEGIN:
|
|
|
|
lsl INC_X, INC_X, #4 // INC_X * SIZE * 2
|
|
lsl INC_Y, INC_Y, #4 // INC_Y * SIZE * 2
|
|
|
|
asrs I, N, #2 // I = N / 4
|
|
ble zdot_kernel_S1
|
|
|
|
zdot_kernel_S4:
|
|
|
|
KERNEL_S4
|
|
|
|
subs I, I, #1
|
|
bne zdot_kernel_S4
|
|
|
|
zdot_kernel_S1:
|
|
|
|
ands I, N, #3
|
|
ble zdot_kernel_L999
|
|
|
|
zdot_kernel_S10:
|
|
|
|
KERNEL_S1
|
|
|
|
subs I, I, #1
|
|
bne zdot_kernel_S10
|
|
|
|
|
|
|
|
zdot_kernel_L999:
|
|
|
|
sub r3, fp, #128
|
|
vldm r3, { d8 - d15} // restore floating point registers
|
|
|
|
#if !defined(CONJ)
|
|
vsub.f64 d0 , d0, d2
|
|
vadd.f64 d1 , d1, d3
|
|
#else
|
|
vadd.f64 d0 , d0, d2
|
|
vsub.f64 d1 , d1, d3
|
|
#endif
|
|
|
|
sub sp, fp, #24
|
|
pop {r4 - r9, fp}
|
|
bx lr
|
|
|
|
EPILOGUE
|
|
|