504 lines
8.7 KiB
ArmAsm
504 lines
8.7 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.
|
|
*****************************************************************************/
|
|
|
|
/**************************************************************************************
|
|
* 2013/11/14 Saar
|
|
* BLASTEST : xOK
|
|
* CTEST : xOK
|
|
* TEST : xOK
|
|
*
|
|
**************************************************************************************/
|
|
|
|
#define ASSEMBLER
|
|
#include "common.h"
|
|
|
|
#define STACKSIZE 256
|
|
|
|
#define OLD_INC_X [fp, #0 ]
|
|
#define OLD_Y [fp, #4 ]
|
|
#define OLD_INC_Y [fp, #8 ]
|
|
|
|
|
|
#define N r0
|
|
#define Y r1
|
|
#define INC_X r2
|
|
#define X r3
|
|
#define INC_Y r4
|
|
|
|
#define I r12
|
|
|
|
#define X_PRE 512
|
|
|
|
/**************************************************************************************
|
|
* Macro definitions
|
|
**************************************************************************************/
|
|
|
|
/*****************************************************************************************/
|
|
|
|
#if !defined(CONJ)
|
|
|
|
#if defined(DOUBLE)
|
|
|
|
#define FMAC_R1 fmacd
|
|
#define FMAC_R2 fnmacd
|
|
#define FMAC_I1 fmacd
|
|
#define FMAC_I2 fmacd
|
|
|
|
#else
|
|
|
|
#define FMAC_R1 fmacs
|
|
#define FMAC_R2 fnmacs
|
|
#define FMAC_I1 fmacs
|
|
#define FMAC_I2 fmacs
|
|
|
|
#endif
|
|
|
|
#else // CONJ
|
|
|
|
#if defined(DOUBLE)
|
|
|
|
#define FMAC_R1 fmacd
|
|
#define FMAC_R2 fmacd
|
|
#define FMAC_I1 fnmacd
|
|
#define FMAC_I2 fmacd
|
|
|
|
#else
|
|
|
|
#define FMAC_R1 fmacs
|
|
#define FMAC_R2 fmacs
|
|
#define FMAC_I1 fnmacs
|
|
#define FMAC_I2 fmacs
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
#if !defined(COMPLEX)
|
|
|
|
#if defined(DOUBLE)
|
|
|
|
.macro KERNEL_F4
|
|
|
|
pld [ X, #X_PRE ]
|
|
fldmiad X!, { d4 - d7 }
|
|
pld [ Y, #X_PRE ]
|
|
fldmiad Y , { d8 - d11 }
|
|
fmacd d8 , d0, d4
|
|
fstmiad Y!, { d8 }
|
|
fmacd d9 , d0, d5
|
|
fstmiad Y!, { d9 }
|
|
fmacd d10, d0, d6
|
|
fstmiad Y!, { d10 }
|
|
fmacd d11, d0, d7
|
|
fstmiad Y!, { d11 }
|
|
|
|
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_F1
|
|
|
|
fldmiad X!, { d4 }
|
|
fldmiad Y , { d8 }
|
|
fmacd d8 , d0, d4
|
|
fstmiad Y!, { d8 }
|
|
|
|
.endm
|
|
|
|
.macro KERNEL_S1
|
|
|
|
fldmiad X , { d4 }
|
|
fldmiad Y , { d8 }
|
|
fmacd d8 , d0, d4
|
|
fstmiad Y , { d8 }
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
#else
|
|
|
|
.macro KERNEL_F4
|
|
|
|
fldmias X!, { s4 - s7 }
|
|
fldmias Y , { s8 - s11 }
|
|
fmacs s8 , s0, s4
|
|
fstmias Y!, { s8 }
|
|
fmacs s9 , s0, s5
|
|
fstmias Y!, { s9 }
|
|
fmacs s10, s0, s6
|
|
fstmias Y!, { s10 }
|
|
fmacs s11, s0, s7
|
|
fstmias Y!, { s11 }
|
|
|
|
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_F1
|
|
|
|
fldmias X!, { s4 }
|
|
fldmias Y , { s8 }
|
|
fmacs s8 , s0, s4
|
|
fstmias Y!, { s8 }
|
|
|
|
.endm
|
|
|
|
.macro KERNEL_S1
|
|
|
|
fldmias X , { s4 }
|
|
fldmias Y , { s8 }
|
|
fmacs s8 , s0, s4
|
|
fstmias Y , { s8 }
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
#if defined(DOUBLE)
|
|
|
|
.macro KERNEL_F4
|
|
|
|
pld [ X, #X_PRE ]
|
|
fldmiad X!, { d4 - d7 }
|
|
pld [ Y, #X_PRE ]
|
|
fldmiad Y , { d8 - d11 }
|
|
|
|
FMAC_R1 d8 , d0, d4
|
|
FMAC_R2 d8 , d1, d5
|
|
FMAC_I1 d9 , d0, d5
|
|
FMAC_I2 d9 , d1, d4
|
|
fstmiad Y!, { d8 }
|
|
fstmiad Y!, { d9 }
|
|
|
|
FMAC_R1 d10, d0, d6
|
|
FMAC_R2 d10, d1, d7
|
|
FMAC_I1 d11, d0, d7
|
|
FMAC_I2 d11, d1, d6
|
|
fstmiad Y!, { d10 }
|
|
fstmiad Y!, { d11 }
|
|
|
|
pld [ X, #X_PRE ]
|
|
fldmiad X!, { d4 - d7 }
|
|
pld [ Y, #X_PRE ]
|
|
fldmiad Y , { d8 - d11 }
|
|
|
|
FMAC_R1 d8 , d0, d4
|
|
FMAC_R2 d8 , d1, d5
|
|
FMAC_I1 d9 , d0, d5
|
|
FMAC_I2 d9 , d1, d4
|
|
fstmiad Y!, { d8 }
|
|
fstmiad Y!, { d9 }
|
|
|
|
FMAC_R1 d10, d0, d6
|
|
FMAC_R2 d10, d1, d7
|
|
FMAC_I1 d11, d0, d7
|
|
FMAC_I2 d11, d1, d6
|
|
fstmiad Y!, { d10 }
|
|
fstmiad Y!, { d11 }
|
|
|
|
|
|
|
|
|
|
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_F1
|
|
|
|
fldmiad X!, { d4 - d5 }
|
|
fldmiad Y , { d8 - d9 }
|
|
|
|
FMAC_R1 d8 , d0, d4
|
|
FMAC_R2 d8 , d1, d5
|
|
FMAC_I1 d9 , d0, d5
|
|
FMAC_I2 d9 , d1, d4
|
|
fstmiad Y!, { d8 }
|
|
fstmiad Y!, { d9 }
|
|
|
|
|
|
|
|
.endm
|
|
|
|
.macro KERNEL_S1
|
|
|
|
fldmiad X , { d4 - d5 }
|
|
fldmiad Y , { d8 - d9 }
|
|
|
|
FMAC_R1 d8 , d0, d4
|
|
FMAC_R2 d8 , d1, d5
|
|
FMAC_I1 d9 , d0, d5
|
|
FMAC_I2 d9 , d1, d4
|
|
fstmiad Y , { d8 - d9 }
|
|
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
|
|
|
|
#else
|
|
|
|
.macro KERNEL_F4
|
|
|
|
pld [ X, #X_PRE ]
|
|
fldmias X!, { s4 - s7 }
|
|
pld [ Y, #X_PRE ]
|
|
fldmias Y , { s8 - s11 }
|
|
|
|
FMAC_R1 s8 , s0, s4
|
|
FMAC_R2 s8 , s1, s5
|
|
FMAC_I1 s9 , s0, s5
|
|
FMAC_I2 s9 , s1, s4
|
|
fstmias Y!, { s8 }
|
|
fstmias Y!, { s9 }
|
|
|
|
FMAC_R1 s10, s0, s6
|
|
FMAC_R2 s10, s1, s7
|
|
FMAC_I1 s11, s0, s7
|
|
FMAC_I2 s11, s1, s6
|
|
fstmias Y!, { s10 }
|
|
fstmias Y!, { s11 }
|
|
|
|
fldmias X!, { s4 - s7 }
|
|
fldmias Y , { s8 - s11 }
|
|
|
|
FMAC_R1 s8 , s0, s4
|
|
FMAC_R2 s8 , s1, s5
|
|
FMAC_I1 s9 , s0, s5
|
|
FMAC_I2 s9 , s1, s4
|
|
fstmias Y!, { s8 }
|
|
fstmias Y!, { s9 }
|
|
|
|
FMAC_R1 s10, s0, s6
|
|
FMAC_R2 s10, s1, s7
|
|
FMAC_I1 s11, s0, s7
|
|
FMAC_I2 s11, s1, s6
|
|
fstmias Y!, { s10 }
|
|
fstmias Y!, { s11 }
|
|
|
|
|
|
|
|
|
|
|
|
.endm
|
|
|
|
|
|
.macro KERNEL_F1
|
|
|
|
fldmias X!, { s4 - s5 }
|
|
fldmias Y , { s8 - s9 }
|
|
|
|
FMAC_R1 s8 , s0, s4
|
|
FMAC_R2 s8 , s1, s5
|
|
FMAC_I1 s9 , s0, s5
|
|
FMAC_I2 s9 , s1, s4
|
|
fstmias Y!, { s8 }
|
|
fstmias Y!, { s9 }
|
|
|
|
|
|
|
|
.endm
|
|
|
|
.macro KERNEL_S1
|
|
|
|
fldmias X , { s4 - s5 }
|
|
fldmias Y , { s8 - s9 }
|
|
|
|
FMAC_R1 s8 , s0, s4
|
|
FMAC_R2 s8 , s1, s5
|
|
FMAC_I1 s9 , s0, s5
|
|
FMAC_I2 s9 , s1, s4
|
|
fstmias Y , { s8 - s9 }
|
|
|
|
add X, X, INC_X
|
|
add Y, Y, INC_Y
|
|
|
|
.endm
|
|
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/**************************************************************************************
|
|
* End of macro definitions
|
|
**************************************************************************************/
|
|
|
|
PROLOGUE
|
|
|
|
.align 5
|
|
push {r4 , fp}
|
|
add fp, sp, #8
|
|
sub sp, sp, #STACKSIZE // reserve stack
|
|
|
|
ldr INC_X , OLD_INC_X
|
|
ldr Y, OLD_Y
|
|
ldr INC_Y , OLD_INC_Y
|
|
|
|
sub r12, fp, #128
|
|
|
|
#if defined(DOUBLE)
|
|
vstm r12, { d8 - d15} // store floating point registers
|
|
#else
|
|
vstm r12, { s8 - s15} // store floating point registers
|
|
#endif
|
|
|
|
cmp N, #0
|
|
ble axpy_kernel_L999
|
|
|
|
cmp INC_X, #0
|
|
beq axpy_kernel_L999
|
|
|
|
cmp INC_Y, #0
|
|
beq axpy_kernel_L999
|
|
|
|
cmp INC_X, #1
|
|
bne axpy_kernel_S_BEGIN
|
|
|
|
cmp INC_Y, #1
|
|
bne axpy_kernel_S_BEGIN
|
|
|
|
|
|
axpy_kernel_F_BEGIN:
|
|
|
|
|
|
asrs I, N, #2 // I = N / 4
|
|
ble axpy_kernel_F1
|
|
|
|
.align 5
|
|
|
|
axpy_kernel_F4:
|
|
|
|
#if !defined(COMPLEX) && !defined(DOUBLE)
|
|
pld [ X, #X_PRE ]
|
|
pld [ Y, #X_PRE ]
|
|
#endif
|
|
|
|
KERNEL_F4
|
|
|
|
subs I, I, #1
|
|
ble axpy_kernel_F1
|
|
|
|
KERNEL_F4
|
|
|
|
subs I, I, #1
|
|
bne axpy_kernel_F4
|
|
|
|
axpy_kernel_F1:
|
|
|
|
ands I, N, #3
|
|
ble axpy_kernel_L999
|
|
|
|
axpy_kernel_F10:
|
|
|
|
KERNEL_F1
|
|
|
|
subs I, I, #1
|
|
bne axpy_kernel_F10
|
|
|
|
b axpy_kernel_L999
|
|
|
|
axpy_kernel_S_BEGIN:
|
|
|
|
#if defined(COMPLEX)
|
|
|
|
#if defined(DOUBLE)
|
|
lsl INC_X, INC_X, #4 // INC_X * SIZE * 2
|
|
lsl INC_Y, INC_Y, #4 // INC_Y * SIZE * 2
|
|
#else
|
|
lsl INC_X, INC_X, #3 // INC_X * SIZE * 2
|
|
lsl INC_Y, INC_Y, #3 // INC_Y * SIZE * 2
|
|
#endif
|
|
|
|
#else
|
|
|
|
#if defined(DOUBLE)
|
|
lsl INC_X, INC_X, #3 // INC_X * SIZE
|
|
lsl INC_Y, INC_Y, #3 // INC_Y * SIZE
|
|
#else
|
|
lsl INC_X, INC_X, #2 // INC_X * SIZE
|
|
lsl INC_Y, INC_Y, #2 // INC_Y * SIZE
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
asrs I, N, #2 // I = N / 4
|
|
ble axpy_kernel_S1
|
|
|
|
.align 5
|
|
|
|
axpy_kernel_S4:
|
|
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
KERNEL_S1
|
|
|
|
subs I, I, #1
|
|
bne axpy_kernel_S4
|
|
|
|
axpy_kernel_S1:
|
|
|
|
ands I, N, #3
|
|
ble axpy_kernel_L999
|
|
|
|
axpy_kernel_S10:
|
|
|
|
KERNEL_S1
|
|
|
|
subs I, I, #1
|
|
bne axpy_kernel_S10
|
|
|
|
|
|
axpy_kernel_L999:
|
|
|
|
sub r3, fp, #128
|
|
|
|
#if defined(DOUBLE)
|
|
vldm r3, { d8 - d15 } // restore floating point registers
|
|
#else
|
|
vldm r3, { s8 - s15 } // restore floating point registers
|
|
#endif
|
|
|
|
mov r0, #0 // set return value
|
|
|
|
sub sp, fp, #8
|
|
pop {r4,fp}
|
|
bx lr
|
|
|
|
EPILOGUE
|
|
|