DAMAXKERNEL = amax.S
CAMAXKERNEL = zamax.S
ZAMAXKERNEL = zamax.S
+
+ISAMAXKERNEL = isamax.S
+IDAMAXKERNEL = idamax.S
+ICAMAXKERNEL = izamax.S
+IZAMAXKERNEL = izamax.S
+
--- /dev/null
+/*******************************************************************************
+Copyright (c) 2015, 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.
+*******************************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+#define N x0 /* vector length */
+#define X x1 /* X vector address */
+#define INC_X x2 /* X stride */
+#define INDEX x3 /* index of max/min value */
+#define Z x4 /* vector index */
+#define I x5 /* loop variable */
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+#if defined(USE_MIN)
+#define COND le
+#else
+#define COND ge
+#endif
+
+#define MAXF d0
+#define TMPF d1
+#define TMPVF {v1.d}[0]
+#define SZ 8
+
+/******************************************************************************/
+
+.macro INIT_S
+ lsl INC_X, INC_X, #3
+ ld1 {v0.d}[0], [X], INC_X
+ mov Z, #1
+ mov INDEX, Z
+ fabs MAXF, MAXF
+.endm
+
+.macro KERNEL_S1
+ ld1 TMPVF, [X], INC_X
+ add Z, Z, #1
+ fabs TMPF, TMPF
+ fcmp MAXF, TMPF
+ fcsel MAXF, MAXF, TMPF, COND
+ csel INDEX, INDEX, Z, COND
+.endm
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+ PROLOGUE
+
+ cmp N, xzr
+ ble iamax_kernel_zero
+ cmp INC_X, xzr
+ ble iamax_kernel_zero
+
+ INIT_S
+
+ subs N, N, #1
+ ble iamax_kernel_L999
+
+ asr I, N, #2
+ cmp I, xzr
+ ble iamax_kernel_S1
+
+iamax_kernel_S4:
+
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+
+ subs I, I, #1
+ bne iamax_kernel_S4
+
+iamax_kernel_S1:
+
+ ands I, N, #3
+ ble iamax_kernel_L999
+
+iamax_kernel_S10:
+
+ KERNEL_S1
+
+ subs I, I, #1
+ bne iamax_kernel_S10
+
+iamax_kernel_L999:
+
+ mov x0, INDEX
+ ret
+
+iamax_kernel_zero:
+
+ mov x0, xzr
+ ret
+
+ EPILOGUE
--- /dev/null
+/*******************************************************************************
+Copyright (c) 2015, 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.
+*******************************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+#define N x0 /* vector length */
+#define X x1 /* X vector address */
+#define INC_X x2 /* X stride */
+#define INDEX x3 /* index of max/min value */
+#define Z x4 /* vector index */
+#define I x5 /* loop variable */
+#define X_COPY x6 /* copy of X address */
+#define MAXF_Z x7
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+#define MAXF s5
+#define TMPF s6
+#define TMPVF {v6.s}[0]
+#define SZ 4
+
+/******************************************************************************/
+
+.macro INIT_F1
+ ldr MAXF, [X], #SZ
+ mov Z, #1
+ mov INDEX, Z
+ fabs MAXF, MAXF
+.endm
+
+.macro KERNEL_F1
+ ldr TMPF, [X], #SZ
+ add Z, Z, #1
+ fabs TMPF, TMPF
+ fcmp TMPF, MAXF
+ fcsel MAXF, MAXF, TMPF, le
+ csel INDEX, INDEX, Z, le
+.endm
+
+.macro INIT_F4
+ ld1 {v0.4s}, [X], #16
+ fabs v0.4s, v0.4s
+ fmaxv MAXF, v0.4s
+ mov Z, #5
+ mov MAXF_Z, #1
+.endm
+
+.macro KERNEL_F4
+ ld1 {v0.4s}, [X], #16
+ fabs v0.4s, v0.4s
+ fmaxv TMPF, v0.4s
+ PRFM PLDL1KEEP, [X, #512]
+ fcmp TMPF, MAXF
+ fcsel MAXF, MAXF, TMPF, le
+ csel MAXF_Z, MAXF_Z, Z, le
+ add Z, Z, #4
+.endm
+
+
+.macro KERNEL_F4_FINALIZE
+ mov INDEX, MAXF_Z
+ sub MAXF_Z, MAXF_Z, #1
+ lsl MAXF_Z, MAXF_Z, #2
+ add X_COPY, X_COPY, MAXF_Z
+ ldr TMPF, [X_COPY], #SZ
+ fabs TMPF, TMPF
+ fcmp TMPF, MAXF
+ beq KERNEL_F4_FINALIZE_DONE
+ add INDEX, INDEX, #1
+ ldr TMPF, [X_COPY], #SZ
+ fabs TMPF, TMPF
+ fcmp TMPF, MAXF
+ beq KERNEL_F4_FINALIZE_DONE
+ add INDEX, INDEX, #1
+ ldr TMPF, [X_COPY], #SZ
+ fabs TMPF, TMPF
+ fcmp TMPF, MAXF
+ beq KERNEL_F4_FINALIZE_DONE
+ add INDEX, INDEX, #1
+KERNEL_F4_FINALIZE_DONE:
+.endm
+
+
+.macro INIT_S
+ lsl INC_X, INC_X, #2
+ ld1 TMPVF, [X], INC_X
+ mov Z, #1
+ mov INDEX, Z
+ fabs MAXF, TMPF
+.endm
+
+.macro KERNEL_S1
+ ld1 TMPVF, [X], INC_X
+ add Z, Z, #1
+ fabs TMPF, TMPF
+ fcmp TMPF, MAXF
+ fcsel MAXF, MAXF, TMPF, le
+ csel INDEX, INDEX, Z, le
+.endm
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+ PROLOGUE
+
+ cmp N, xzr
+ ble iamax_kernel_zero
+ cmp INC_X, xzr
+ ble iamax_kernel_zero
+
+ PRFM PLDL1KEEP, [X]
+ mov X_COPY, X
+
+ cmp INC_X, #1
+ bne iamax_kernel_S_BEGIN
+
+iamax_kernel_F_BEGIN:
+ asr I, N, #2
+ cmp I, xzr
+ beq iamax_kernel_F1_INIT
+
+ INIT_F4
+ subs I, I, #1
+ beq iamax_kernel_F4_FINALIZE
+
+iamax_kernel_F4:
+ KERNEL_F4
+ subs I, I, #1
+ bne iamax_kernel_F4
+
+iamax_kernel_F4_FINALIZE:
+ KERNEL_F4_FINALIZE
+
+iamax_kernel_F1:
+ ands I, N, #3
+ ble iamax_kernel_L999
+
+iamax_kernel_F10:
+ KERNEL_F1
+ subs I, I, #1
+ bne iamax_kernel_F10
+ b iamax_kernel_L999
+
+iamax_kernel_F1_INIT:
+ INIT_F1
+ subs N, N, #1
+ b iamax_kernel_F1
+
+iamax_kernel_S_BEGIN:
+ INIT_S
+
+ subs N, N, #1
+ ble iamax_kernel_L999
+
+ asr I, N, #2
+ cmp I, xzr
+ ble iamax_kernel_S1
+
+iamax_kernel_S4:
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+
+ subs I, I, #1
+ bne iamax_kernel_S4
+
+iamax_kernel_S1:
+ ands I, N, #3
+ ble iamax_kernel_L999
+
+iamax_kernel_S10:
+ KERNEL_S1
+ subs I, I, #1
+ bne iamax_kernel_S10
+
+iamax_kernel_L999:
+ mov x0, INDEX
+ ret
+
+iamax_kernel_zero:
+ mov x0, xzr
+ ret
+
+ EPILOGUE
--- /dev/null
+/*******************************************************************************
+Copyright (c) 2015, 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.
+*******************************************************************************/
+
+#define ASSEMBLER
+#include "common.h"
+
+#define N x0 /* vector length */
+#define X x1 /* X vector address */
+#define INC_X x2 /* X stride */
+#define INDEX x3 /* index of max/min value */
+#define Z x4 /* vector index */
+#define I x5 /* loop variable */
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+#if defined(USE_MIN)
+#define COND le
+#else
+#define COND ge
+#endif
+
+#if !defined(DOUBLE)
+#define MAXF s0
+#define TMPF s1
+#define TMPVF {v1.s}[0]
+#define SZ 4
+#else
+#define MAXF d0
+#define TMPF d1
+#define TMPVF {v1.d}[0]
+#define SZ 8
+#endif
+
+/******************************************************************************/
+
+.macro INIT_S
+#if !defined(DOUBLE)
+ lsl INC_X, INC_X, #3
+ ld1 {v0.2s}, [X], INC_X
+ mov Z, #1
+ mov INDEX, Z
+ fabs v0.2s, v0.2s
+ ext v1.8b, v0.8b, v0.8b, #4
+ fadd MAXF, s0, s1
+#else
+ lsl INC_X, INC_X, #4
+ ld1 {v0.2d}, [X], INC_X
+ mov Z, #1
+ mov INDEX, Z
+ fabs v0.2d, v0.2d
+ faddp MAXF, v0.2d
+#endif
+.endm
+
+.macro KERNEL_S1
+#if !defined(DOUBLE)
+ ld1 {v1.2s}, [X], INC_X
+ add Z, Z, #1
+ fabs v1.2s, v1.2s
+ ext v2.8b, v1.8b, v1.8b, #4
+ fadd TMPF, s1, s2
+#else
+ ld1 {v1.2d}, [X], INC_X
+ add Z, Z, #1
+ fabs v1.2d, v1.2d
+ faddp TMPF, v1.2d
+#endif
+ fcmp MAXF, TMPF
+ fcsel MAXF, MAXF, TMPF, COND
+ csel INDEX, INDEX, Z, COND
+.endm
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+ PROLOGUE
+
+ cmp N, xzr
+ ble iamax_kernel_zero
+ cmp INC_X, xzr
+ ble iamax_kernel_zero
+
+ INIT_S
+
+ subs N, N, #1
+ ble iamax_kernel_L999
+
+ asr I, N, #2
+ cmp I, xzr
+ ble iamax_kernel_S1
+
+iamax_kernel_S4:
+
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+
+ subs I, I, #1
+ bne iamax_kernel_S4
+
+iamax_kernel_S1:
+
+ ands I, N, #3
+ ble iamax_kernel_L999
+
+iamax_kernel_S10:
+
+ KERNEL_S1
+
+ subs I, I, #1
+ bne iamax_kernel_S10
+
+iamax_kernel_L999:
+
+ mov x0, INDEX
+ ret
+
+iamax_kernel_zero:
+
+ mov x0, xzr
+ ret
+
+ EPILOGUE
projects / platform / upstream / openblas.git / commitdiff