OpenBLAS/kernel/arm/zgemv_t_vfp.S

609 lines
10 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
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*****************************************************************************/
/**************************************************************************************
* 2013/11/29 Saar
* BLASTEST : OK
* CTEST : OK
* TEST : OK
*
**************************************************************************************/
#define ASSEMBLER
#include "common.h"
#define STACKSIZE 256
#define OLD_LDA [fp, #0 ]
#define X [fp, #4 ]
#define OLD_INC_X [fp, #8 ]
#define Y [fp, #12 ]
#define OLD_INC_Y [fp, #16 ]
#define OLD_A r3
#define OLD_N r1
#define M r0
#define AO1 r1
#define J r2
#define AO2 r4
#define XO r5
#define YO r6
#define LDA r7
#define INC_X r8
#define INC_Y r9
#define I r12
#define N [fp, #-252 ]
#define A [fp, #-256 ]
#define X_PRE 512
#define A_PRE 512
#define Y_PRE 32
/**************************************************************************************
* Macro definitions
**************************************************************************************/
#if !defined(CONJ) && !defined(XCONJ)
#define KMAC_R fnmacd
#define KMAC_I fmacd
#define FMAC_R1 fmacd
#define FMAC_R2 fnmacd
#define FMAC_I1 fmacd
#define FMAC_I2 fmacd
#elif defined(CONJ) && !defined(XCONJ)
#define KMAC_R fmacd
#define KMAC_I fnmacd
#define FMAC_R1 fmacd
#define FMAC_R2 fnmacd
#define FMAC_I1 fmacd
#define FMAC_I2 fmacd
#elif !defined(CONJ) && defined(XCONJ)
#define KMAC_R fmacd
#define KMAC_I fnmacd
#define FMAC_R1 fmacd
#define FMAC_R2 fmacd
#define FMAC_I1 fnmacd
#define FMAC_I2 fmacd
#else
#define KMAC_R fnmacd
#define KMAC_I fmacd
#define FMAC_R1 fmacd
#define FMAC_R2 fmacd
#define FMAC_I1 fnmacd
#define FMAC_I2 fmacd
#endif
.macro INIT_F2
vsub.f64 d12, d12, d12
vsub.f64 d13, d13, d13
vsub.f64 d14, d14, d14
vsub.f64 d15, d15, d15
.endm
.macro KERNEL_F2X4
KERNEL_F2X1
KERNEL_F2X1
KERNEL_F2X1
KERNEL_F2X1
.endm
.macro KERNEL_F2X1
fldmiad XO! , { d2 - d3 }
fldmiad AO1!, { d4 - d5 }
fmacd d12 , d4 , d2
fmacd d13 , d4 , d3
fldmiad AO2!, { d8 - d9 }
KMAC_R d12 , d5 , d3
KMAC_I d13 , d5 , d2
fmacd d14 , d8 , d2
fmacd d15 , d8 , d3
KMAC_R d14 , d9 , d3
KMAC_I d15 , d9 , d2
.endm
.macro SAVE_F2
fldmiad YO, { d4 - d7 }
FMAC_R1 d4 , d0 , d12
FMAC_I1 d5 , d0 , d13
FMAC_R2 d4 , d1 , d13
FMAC_I2 d5 , d1 , d12
FMAC_R1 d6 , d0 , d14
FMAC_I1 d7 , d0 , d15
FMAC_R2 d6 , d1 , d15
FMAC_I2 d7 , d1 , d14
fstmiad YO!, { d4 - d7 }
.endm
/************************************************************************************************/
.macro INIT_F1
vsub.f64 d12, d12, d12
vsub.f64 d13, d13, d13
.endm
.macro KERNEL_F1X4
KERNEL_F1X1
KERNEL_F1X1
KERNEL_F1X1
KERNEL_F1X1
.endm
.macro KERNEL_F1X1
fldmiad XO! , { d2 - d3 }
fldmiad AO1!, { d4 - d5 }
fmacd d12 , d4 , d2
fmacd d13 , d4 , d3
KMAC_R d12 , d5 , d3
KMAC_I d13 , d5 , d2
.endm
.macro SAVE_F1
fldmiad YO, { d4 - d5 }
FMAC_R1 d4 , d0 , d12
FMAC_I1 d5 , d0 , d13
FMAC_R2 d4 , d1 , d13
FMAC_I2 d5 , d1 , d12
fstmiad YO!, { d4 - d5 }
.endm
/************************************************************************************************/
.macro INIT_S2
vsub.f64 d12, d12, d12
vsub.f64 d13, d13, d13
vsub.f64 d14, d14, d14
vsub.f64 d15, d15, d15
.endm
.macro KERNEL_S2X4
KERNEL_S2X1
KERNEL_S2X1
KERNEL_S2X1
KERNEL_S2X1
.endm
.macro KERNEL_S2X1
fldmiad XO , { d2 - d3 }
fldmiad AO1!, { d4 - d5 }
fldmiad AO2!, { d8 - d9 }
fmacd d12 , d4 , d2
fmacd d13 , d4 , d3
KMAC_R d12 , d5 , d3
KMAC_I d13 , d5 , d2
fmacd d14 , d8 , d2
fmacd d15 , d8 , d3
KMAC_R d14 , d9 , d3
KMAC_I d15 , d9 , d2
add XO, XO, INC_X
.endm
.macro SAVE_S2
fldmiad YO, { d4 - d5 }
FMAC_R1 d4 , d0 , d12
FMAC_I1 d5 , d0 , d13
FMAC_R2 d4 , d1 , d13
FMAC_I2 d5 , d1 , d12
fstmiad YO, { d4 - d5 }
add YO, YO, INC_Y
fldmiad YO, { d6 - d7 }
FMAC_R1 d6 , d0 , d14
FMAC_I1 d7 , d0 , d15
FMAC_R2 d6 , d1 , d15
FMAC_I2 d7 , d1 , d14
fstmiad YO, { d6 - d7 }
add YO, YO, INC_Y
.endm
/************************************************************************************************/
.macro INIT_S1
vsub.f64 d12, d12, d12
vsub.f64 d13, d13, d13
.endm
.macro KERNEL_S1X4
KERNEL_S1X1
KERNEL_S1X1
KERNEL_S1X1
KERNEL_S1X1
.endm
.macro KERNEL_S1X1
fldmiad XO , { d2 - d3 }
fldmiad AO1!, { d4 - d5 }
fmacd d12 , d4 , d2
fmacd d13 , d4 , d3
KMAC_R d12 , d5 , d3
KMAC_I d13 , d5 , d2
add XO, XO, INC_X
.endm
.macro SAVE_S1
fldmiad YO, { d4 - d5 }
FMAC_R1 d4 , d0 , d12
FMAC_I1 d5 , d0 , d13
FMAC_R2 d4 , d1 , d13
FMAC_I2 d5 , d1 , d12
fstmiad YO, { d4 - d5 }
add YO, YO, INC_Y
.endm
/**************************************************************************************
* End of macro definitions
**************************************************************************************/
PROLOGUE
.align 5
push {r4 - r9 , fp}
add fp, sp, #28
sub sp, sp, #STACKSIZE // reserve stack
sub r12, fp, #192
#if defined(DOUBLE)
vstm r12, { d8 - d15 } // store floating point registers
#else
vstm r12, { s8 - s15 } // store floating point registers
#endif
cmp M, #0
ble zgemvt_kernel_L999
cmp OLD_N, #0
ble zgemvt_kernel_L999
str OLD_A, A
str OLD_N, N
ldr INC_X , OLD_INC_X
ldr INC_Y , OLD_INC_Y
cmp INC_X, #0
beq zgemvt_kernel_L999
cmp INC_Y, #0
beq zgemvt_kernel_L999
ldr LDA, OLD_LDA
#if defined(DOUBLE)
lsl LDA, LDA, #4 // LDA * SIZE
#else
lsl LDA, LDA, #3 // LDA * SIZE
#endif
cmp INC_X, #1
bne zgemvt_kernel_S2_BEGIN
cmp INC_Y, #1
bne zgemvt_kernel_S2_BEGIN
zgemvt_kernel_F2_BEGIN:
ldr YO , Y
ldr J, N
asrs J, J, #1 // J = N / 2
ble zgemvt_kernel_F1_BEGIN
zgemvt_kernel_F2X4:
ldr AO1, A
add AO2, AO1, LDA
add r3 , AO2, LDA
str r3 , A
ldr XO , X
INIT_F2
asrs I, M, #2 // I = M / 4
ble zgemvt_kernel_F2X1
zgemvt_kernel_F2X4_10:
KERNEL_F2X4
subs I, I, #1
bne zgemvt_kernel_F2X4_10
zgemvt_kernel_F2X1:
ands I, M , #3
ble zgemvt_kernel_F2_END
zgemvt_kernel_F2X1_10:
KERNEL_F2X1
subs I, I, #1
bne zgemvt_kernel_F2X1_10
zgemvt_kernel_F2_END:
SAVE_F2
subs J , J , #1
bne zgemvt_kernel_F2X4
zgemvt_kernel_F1_BEGIN:
ldr J, N
ands J, J, #1
ble zgemvt_kernel_L999
zgemvt_kernel_F1X4:
ldr AO1, A
ldr XO , X
INIT_F1
asrs I, M, #2 // I = M / 4
ble zgemvt_kernel_F1X1
zgemvt_kernel_F1X4_10:
KERNEL_F1X4
subs I, I, #1
bne zgemvt_kernel_F1X4_10
zgemvt_kernel_F1X1:
ands I, M , #3
ble zgemvt_kernel_F1_END
zgemvt_kernel_F1X1_10:
KERNEL_F1X1
subs I, I, #1
bne zgemvt_kernel_F1X1_10
zgemvt_kernel_F1_END:
SAVE_F1
b zgemvt_kernel_L999
/*************************************************************************************************************/
zgemvt_kernel_S2_BEGIN:
#if defined(DOUBLE)
lsl INC_X, INC_X, #4 // INC_X * SIZE
lsl INC_Y, INC_Y, #4 // INC_Y * SIZE
#else
lsl INC_X, INC_X, #3 // INC_X * SIZE
lsl INC_Y, INC_Y, #3 // INC_Y * SIZE
#endif
ldr YO , Y
ldr J, N
asrs J, J, #1 // J = N / 2
ble zgemvt_kernel_S1_BEGIN
zgemvt_kernel_S2X4:
ldr AO1, A
add AO2, AO1, LDA
add r3 , AO2, LDA
str r3 , A
ldr XO , X
INIT_S2
asrs I, M, #2 // I = M / 4
ble zgemvt_kernel_S2X1
zgemvt_kernel_S2X4_10:
KERNEL_S2X4
subs I, I, #1
bne zgemvt_kernel_S2X4_10
zgemvt_kernel_S2X1:
ands I, M , #3
ble zgemvt_kernel_S2_END
zgemvt_kernel_S2X1_10:
KERNEL_S2X1
subs I, I, #1
bne zgemvt_kernel_S2X1_10
zgemvt_kernel_S2_END:
SAVE_S2
subs J , J , #1
bne zgemvt_kernel_S2X4
zgemvt_kernel_S1_BEGIN:
ldr J, N
ands J, J, #1
ble zgemvt_kernel_L999
zgemvt_kernel_S1X4:
ldr AO1, A
ldr XO , X
INIT_S1
asrs I, M, #2 // I = M / 4
ble zgemvt_kernel_S1X1
zgemvt_kernel_S1X4_10:
KERNEL_S1X4
subs I, I, #1
bne zgemvt_kernel_S1X4_10
zgemvt_kernel_S1X1:
ands I, M , #3
ble zgemvt_kernel_S1_END
zgemvt_kernel_S1X1_10:
KERNEL_S1X1
subs I, I, #1
bne zgemvt_kernel_S1X1_10
zgemvt_kernel_S1_END:
SAVE_S1
/*************************************************************************************************************/
zgemvt_kernel_L999:
sub r3, fp, #192
#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, #28
pop {r4 -r9 ,fp}
bx lr
EPILOGUE