--- /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 Y x3 /* Y vector address */
+#define INC_Y x4 /* Y stride */
+#define I x5 /* loop variable */
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+#if !defined(DOUBLE)
+#define C s0 /* scale input value */
+#define S s1 /* scale input value */
+#else
+#define C d0 /* scale input value */
+#define S d1 /* scale input value */
+#endif
+
+/******************************************************************************/
+
+.macro INIT
+#if !defined(DOUBLE)
+ ins v0.s[1], v0.s[0] // [C, C]
+#else
+ ins v0.d[1], v0.d[0] // [C, C]
+#endif
+.endm
+
+.macro INIT_F1
+#if !defined(DOUBLE)
+ fneg s2, S
+ ins v1.s[1], v2.s[0] // [-S, S]
+#else
+ fneg d2, S
+ ins v1.d[1], v2.d[0] // [-S, S]
+#endif
+.endm
+
+.macro KERNEL_F1
+#if !defined(DOUBLE)
+ ld1 {v2.s}[0], [X]
+ ld1 {v2.s}[1], [Y] // [Y, X]
+ ext v3.8b, v2.8b, v2.8b, #4 // [X, Y]
+ fmul v4.2s, v2.2s, v0.2s // [C*Y, C*X]
+ fmla v4.2s, v3.2s, v1.2s // [C*Y - S*X, C*X + S*Y]
+ st1 {v4.s}[0], [X], #4
+ st1 {v4.s}[1], [Y], #4
+#else
+ ld1 {v2.d}[0], [X]
+ ld1 {v2.d}[1], [Y] // [Y, X]
+ ext v3.16b, v2.16b, v2.16b, #8 // [X, Y]
+ fmul v4.2d, v2.2d, v0.2d // [C*Y, C*X]
+ fmla v4.2d, v3.2d, v1.2d // [C*Y - S*X, C*X + S*Y]
+ st1 {v4.d}[0], [X], #8
+ st1 {v4.d}[1], [Y], #8
+#endif
+.endm
+
+.macro KERNEL_INIT_F4
+#if !defined(DOUBLE)
+ ins v0.d[1], v0.d[0] // [C, C, C, C]
+ ins v1.s[1], v1.s[0]
+ ins v1.d[1], v1.d[0] // [S, S, S, S]
+#else
+ ins v1.d[1], v1.d[0] // [S, S]
+#endif
+.endm
+
+.macro KERNEL_F4
+#if !defined(DOUBLE)
+ ld1 {v2.4s}, [X]
+ fmul v4.4s, v0.4s, v2.4s // C*X3, C*X2, C*X1, C*X0
+ ld1 {v3.4s}, [Y]
+ fmla v4.4s, v1.4s, v3.4s // C*X3+S*Y3, ..., C*X0+S*Y0
+ st1 {v4.4s}, [X], #16
+ fmul v5.4s, v0.4s, v3.4s // C*Y3, C*Y2, C*Y1, C*Y0
+ fmls v5.4s, v1.4s, v2.4s // C*Y3-S*X3, ..., C*Y0-S*X0
+ st1 {v5.4s}, [Y], #16
+#else // DOUBLE
+ ld1 {v2.2d, v3.2d}, [X]
+ fmul v6.2d, v0.2d, v2.2d // C*X1, C*X0
+ fmul v7.2d, v0.2d, v3.2d // C*X3, C*X2
+ ld1 {v4.2d, v5.2d}, [Y]
+ fmla v6.2d, v1.2d, v4.2d // C*X1+S*Y1, C*X0+S*Y0
+ fmla v7.2d, v1.2d, v5.2d // C*X3+S*Y3, C*X2+S*Y2
+ st1 {v6.2d, v7.2d}, [X], #32
+ fmul v16.2d, v0.2d, v4.2d // C*Y1, C*Y0
+ fmul v17.2d, v0.2d, v5.2d // C*Y3, C*Y2
+ fmls v16.2d, v1.2d, v2.2d // C*Y1-S*X1, C*Y0-S*X0
+ fmls v17.2d, v1.2d, v3.2d // C*Y3-S*X3, C*Y2-S*X2
+ st1 {v16.2d, v17.2d}, [Y], #32
+ PRFM PLDL1KEEP, [X, #512]
+ PRFM PLDL1KEEP, [Y, #512]
+#endif
+.endm
+
+.macro INIT_S
+#if !defined(DOUBLE)
+ lsl INC_X, INC_X, #2
+ lsl INC_Y, INC_Y, #2
+#else
+ lsl INC_X, INC_X, #3
+ lsl INC_Y, INC_Y, #3
+#endif
+.endm
+
+.macro KERNEL_S1
+#if !defined(DOUBLE)
+ ld1 {v2.s}[0], [X]
+ ld1 {v2.s}[1], [Y] // [Y, X]
+ ext v3.8b, v2.8b, v2.8b, #4 // [X, Y]
+ fmul v4.2s, v2.2s, v0.2s // [C*Y, C*X]
+ fmla v4.2s, v3.2s, v1.2s // [C*Y - S*X, C*X + S*Y]
+ st1 {v4.s}[0], [X], INC_X
+ st1 {v4.s}[1], [Y], INC_Y
+#else
+ ld1 {v2.d}[0], [X]
+ ld1 {v2.d}[1], [Y] // [Y, X]
+ ext v3.16b, v2.16b, v2.16b, #8 // [X, Y]
+ fmul v4.2d, v2.2d, v0.2d // [C*Y, C*X]
+ fmla v4.2d, v3.2d, v1.2d // [C*Y - S*X, C*X + S*Y]
+ st1 {v4.d}[0], [X], INC_X
+ st1 {v4.d}[1], [Y], INC_Y
+#endif
+
+.endm
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+ PROLOGUE
+
+ cmp N, xzr
+ ble rot_kernel_L999
+
+ INIT
+
+ cmp INC_X, #1
+ bne rot_kernel_S_BEGIN
+ cmp INC_Y, #1
+ bne rot_kernel_S_BEGIN
+
+rot_kernel_F_BEGIN:
+
+ asr I, N, #2
+ cmp I, xzr
+ beq rot_kernel_F1
+
+ KERNEL_INIT_F4
+
+rot_kernel_F4:
+
+ KERNEL_F4
+
+ subs I, I, #1
+ bne rot_kernel_F4
+
+rot_kernel_F1:
+
+ ands I, N, #3
+ ble rot_kernel_L999
+
+ INIT_F1
+
+rot_kernel_F10:
+
+ KERNEL_F1
+
+ subs I, I, #1
+ bne rot_kernel_F10
+
+ mov w0, wzr
+ ret
+
+rot_kernel_S_BEGIN:
+
+ INIT_S
+ INIT_F1
+
+
+ asr I, N, #2
+ cmp I, xzr
+ ble rot_kernel_S1
+
+rot_kernel_S4:
+
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+
+ subs I, I, #1
+ bne rot_kernel_S4
+
+rot_kernel_S1:
+
+ ands I, N, #3
+ ble rot_kernel_L999
+
+
+rot_kernel_S10:
+
+ KERNEL_S1
+
+ subs I, I, #1
+ bne rot_kernel_S10
+
+rot_kernel_L999:
+
+ mov w0, wzr
+ ret
--- /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 Y x3 /* Y vector address */
+#define INC_Y x4 /* Y stride */
+#define I x5 /* loop variable */
+
+/*******************************************************************************
+* Macro definitions
+*******************************************************************************/
+
+#if !defined(DOUBLE)
+#define C s0 /* scale input value */
+#define S s1 /* scale input value */
+#else
+#define C d0 /* scale input value */
+#define S d1 /* scale input value */
+#endif
+
+/******************************************************************************/
+
+.macro INIT
+
+#if !defined(DOUBLE)
+ ins v0.s[1], v0.s[0] // [C, C]
+ ins v1.s[1], v1.s[0] // [S, S]
+#else
+ ins v0.d[1], v0.d[0] // [C, C]
+ ins v1.d[1], v1.d[0] // [S, S]
+#endif
+
+.endm
+
+.macro KERNEL_F1
+
+#if !defined(DOUBLE)
+ ld1 {v2.2s}, [X]
+ ld1 {v3.2s}, [Y]
+ fmul v4.2s, v0.2s, v2.2s // [C*X1, C*X0]
+ fmla v4.2s, v1.2s, v3.2s // [C*X1 + S*Y1, C*X0 + S*Y0]
+ fmul v5.2s, v0.2s, v3.2s // [C*Y1, C*Y0]
+ fmls v5.2s, v1.2s, v2.2s // [C*Y1 - S*X1, C*Y0 - S*X0]
+ st1 {v4.2s}, [X], #8
+ st1 {v5.2s}, [Y], #8
+#else
+ ld1 {v2.2d}, [X]
+ ld1 {v3.2d}, [Y]
+ fmul v4.2d, v0.2d, v2.2d // [C*X1, C*X0]
+ fmla v4.2d, v1.2d, v3.2d // [C*X1 + S*Y1, C*X0 + S*Y0]
+ fmul v5.2d, v0.2d, v3.2d // [C*Y1, C*Y0]
+ fmls v5.2d, v1.2d, v2.2d // [C*Y1 - S*X1, C*Y0 - S*X0]
+ st1 {v4.2d}, [X], #16
+ st1 {v5.2d}, [Y], #16
+#endif
+
+.endm
+
+.macro KERNEL_INIT_F4
+
+#if !defined(DOUBLE)
+ ins v0.d[1], v0.d[0] // [C, C, C, C]
+ ins v1.d[1], v1.d[0] // [S, S, S, S]
+#endif
+
+.endm
+
+.macro KERNEL_F4
+
+#if !defined(DOUBLE)
+ ld1 {v2.4s, v3.4s}, [X]
+ ld1 {v4.4s, v5.4s}, [Y]
+ fmul v6.4s, v0.4s, v2.4s // C*X3, C*X2, C*X1, C*X0
+ fmul v7.4s, v0.4s, v3.4s // C*X7, C*X6, C*X5, C*X4
+ fmla v6.4s, v1.4s, v4.4s // C*X3+S*Y3, ..., C*X0+S*Y0
+ fmla v7.4s, v1.4s, v5.4s // C*X7+S*Y7, ..., C*X4+S*Y4
+ fmul v16.4s, v0.4s, v4.4s // C*Y3, C*Y2, C*Y1, C*Y0
+ fmul v17.4s, v0.4s, v5.4s // C*Y7, C*Y6, C*Y5, C*Y4
+ fmls v16.4s, v1.4s, v2.4s // C*Y3-S*X3, ..., C*Y0-S*X0
+ fmls v17.4s, v1.4s, v3.4s // C*Y7-S*X7, ..., C*Y4-S*X4
+ st1 {v6.4s,v7.4s}, [X], #32
+ st1 {v16.4s,v17.4s}, [Y], #32
+#else // DOUBLE
+ ld1 {v2.2d, v3.2d}, [X]
+ ld1 {v4.2d, v5.2d}, [Y]
+ fmul v6.2d, v0.2d, v2.2d // C*X3, C*X2, C*X1, C*X0
+ fmul v7.2d, v0.2d, v3.2d // C*X7, C*X6, C*X5, C*X4
+ fmla v6.2d, v1.2d, v4.2d // C*X3+S*Y3, ..., C*X0+S*Y0
+ fmla v7.2d, v1.2d, v5.2d // C*X7+S*Y7, ..., C*X4+S*Y4
+ fmul v16.2d, v0.2d, v4.2d // C*Y3, C*Y2, C*Y1, C*Y0
+ fmul v17.2d, v0.2d, v5.2d // C*Y7, C*Y6, C*Y5, C*Y4
+ fmls v16.2d, v1.2d, v2.2d // C*Y3-S*X3, ..., C*Y0-S*X0
+ fmls v17.2d, v1.2d, v3.2d // C*Y7-S*X7, ..., C*Y4-S*X4
+ st1 {v6.2d,v7.2d}, [X], #32
+ st1 {v16.2d,v17.2d}, [Y], #32
+ ld1 {v2.2d, v3.2d}, [X]
+ ld1 {v4.2d, v5.2d}, [Y]
+ fmul v6.2d, v0.2d, v2.2d // C*X3, C*X2, C*X1, C*X0
+ fmul v7.2d, v0.2d, v3.2d // C*X7, C*X6, C*X5, C*X4
+ fmla v6.2d, v1.2d, v4.2d // C*X3+S*Y3, ..., C*X0+S*Y0
+ fmla v7.2d, v1.2d, v5.2d // C*X7+S*Y7, ..., C*X4+S*Y4
+ fmul v16.2d, v0.2d, v4.2d // C*Y3, C*Y2, C*Y1, C*Y0
+ fmul v17.2d, v0.2d, v5.2d // C*Y7, C*Y6, C*Y5, C*Y4
+ fmls v16.2d, v1.2d, v2.2d // C*Y3-S*X3, ..., C*Y0-S*X0
+ fmls v17.2d, v1.2d, v3.2d // C*Y7-S*X7, ..., C*Y4-S*X4
+ st1 {v6.2d,v7.2d}, [X], #32
+ st1 {v16.2d,v17.2d}, [Y], #32
+#endif
+
+.endm
+
+.macro INIT_S
+
+#if !defined(DOUBLE)
+ lsl INC_X, INC_X, #3
+ lsl INC_Y, INC_Y, #3
+#else
+ lsl INC_X, INC_X, #4
+ lsl INC_Y, INC_Y, #4
+#endif
+
+.endm
+
+.macro KERNEL_S1
+
+#if !defined(DOUBLE)
+ ld1 {v2.2s}, [X]
+ ld1 {v3.2s}, [Y]
+ fmul v4.2s, v0.2s, v2.2s // [C*X1, C*X0]
+ fmla v4.2s, v1.2s, v3.2s // [C*X1 + S*Y1, C*X0 + S*Y0]
+ fmul v5.2s, v0.2s, v3.2s // [C*Y1, C*Y0]
+ fmls v5.2s, v1.2s, v2.2s // [C*Y1 - S*X1, C*Y0 - S*X0]
+ st1 {v4.2s}, [X], INC_X
+ st1 {v5.2s}, [Y], INC_Y
+#else
+ ld1 {v2.2d}, [X]
+ ld1 {v3.2d}, [Y]
+ fmul v4.2d, v0.2d, v2.2d // [C*X1, C*X0]
+ fmla v4.2d, v1.2d, v3.2d // [C*X1 + S*Y1, C*X0 + S*Y0]
+ fmul v5.2d, v0.2d, v3.2d // [C*Y1, C*Y0]
+ fmls v5.2d, v1.2d, v2.2d // [C*Y1 - S*X1, C*Y0 - S*X0]
+ st1 {v4.2d}, [X], INC_X
+ st1 {v5.2d}, [Y], INC_Y
+#endif
+
+.endm
+
+/*******************************************************************************
+* End of macro definitions
+*******************************************************************************/
+
+ PROLOGUE
+
+ cmp N, xzr
+ ble rot_kernel_L999
+
+ INIT
+
+ cmp INC_X, #1
+ bne rot_kernel_S_BEGIN
+ cmp INC_Y, #1
+ bne rot_kernel_S_BEGIN
+
+rot_kernel_F_BEGIN:
+
+ asr I, N, #2
+ cmp I, xzr
+ beq rot_kernel_F1
+
+ KERNEL_INIT_F4
+
+rot_kernel_F4:
+
+ KERNEL_F4
+
+ subs I, I, #1
+ bne rot_kernel_F4
+
+rot_kernel_F1:
+
+ ands I, N, #3
+ ble rot_kernel_L999
+
+rot_kernel_F10:
+
+ KERNEL_F1
+
+ subs I, I, #1
+ bne rot_kernel_F10
+
+ mov w0, wzr
+ ret
+
+rot_kernel_S_BEGIN:
+
+ INIT_S
+
+ asr I, N, #2
+ cmp I, xzr
+ ble rot_kernel_S1
+
+rot_kernel_S4:
+
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+ KERNEL_S1
+
+ subs I, I, #1
+ bne rot_kernel_S4
+
+rot_kernel_S1:
+
+ ands I, N, #3
+ ble rot_kernel_L999
+
+rot_kernel_S10:
+
+ KERNEL_S1
+
+ subs I, I, #1
+ bne rot_kernel_S10
+
+rot_kernel_L999:
+
+ mov w0, wzr
+ ret
projects / platform / upstream / openblas.git / commitdiff