122 lines
4.9 KiB
C
122 lines
4.9 KiB
C
/***************************************************************************
|
|
Copyright (c) 2022, 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.
|
|
*****************************************************************************/
|
|
|
|
#include "common.h"
|
|
|
|
#if !defined(DOUBLE)
|
|
#define VSETVL(n) __riscv_vsetvl_e32m2(n)
|
|
#define VSETVL_MAX __riscv_vsetvlmax_e32m2()
|
|
#define FLOAT_V_T vfloat32m2_t
|
|
#define FLOAT_VX2_T vfloat32m2x2_t
|
|
#define VGET_VX2 __riscv_vget_v_f32m2x2_f32m2
|
|
#define VSET_VX2 __riscv_vset_v_f32m2_f32m2x2
|
|
#define VLEV_FLOAT __riscv_vle32_v_f32m2
|
|
#define VSEV_FLOAT __riscv_vse32_v_f32m2
|
|
#define VLSEV_FLOAT __riscv_vlse32_v_f32m2
|
|
#define VLSEG2_FLOAT __riscv_vlseg2e32_v_f32m2x2
|
|
#define VLSSEG2_FLOAT __riscv_vlsseg2e32_v_f32m2x2
|
|
#define VSSEG2_FLOAT __riscv_vsseg2e32_v_f32m2x2
|
|
#define INT_V_T vint32m2_t
|
|
#define VID_V_INT __riscv_vid_v_i32m2
|
|
#define VADD_VX_INT __riscv_vadd_vx_i32m2
|
|
#define VMSGT_VX_INT __riscv_vmsgt_vx_i32m2_b16
|
|
#define VBOOL_T vbool16_t
|
|
#define VMERGE_VVM_FLOAT __riscv_vmerge_vvm_f32m2
|
|
#else
|
|
#define VSETVL(n) __riscv_vsetvl_e64m2(n)
|
|
#define VSETVL_MAX __riscv_vsetvlmax_e64m2()
|
|
#define FLOAT_V_T vfloat64m2_t
|
|
#define FLOAT_VX2_T vfloat64m2x2_t
|
|
#define VGET_VX2 __riscv_vget_v_f64m2x2_f64m2
|
|
#define VSET_VX2 __riscv_vset_v_f64m2_f64m2x2
|
|
#define VLEV_FLOAT __riscv_vle64_v_f64m2
|
|
#define VSEV_FLOAT __riscv_vse64_v_f64m2
|
|
#define VLSEV_FLOAT __riscv_vlse64_v_f64m2
|
|
#define VLSEG2_FLOAT __riscv_vlseg2e64_v_f64m2x2
|
|
#define VLSSEG2_FLOAT __riscv_vlsseg2e64_v_f64m2x2
|
|
#define VSSEG2_FLOAT __riscv_vsseg2e64_v_f64m2x2
|
|
#define INT_V_T vint64m2_t
|
|
#define VID_V_INT __riscv_vid_v_i64m2
|
|
#define VADD_VX_INT __riscv_vadd_vx_i64m2
|
|
#define VMSGT_VX_INT __riscv_vmsgt_vx_i64m2_b32
|
|
#define VBOOL_T vbool32_t
|
|
#define VMERGE_VVM_FLOAT __riscv_vmerge_vvm_f64m2
|
|
#endif
|
|
|
|
|
|
int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, BLASLONG posX, BLASLONG posY, FLOAT *b)
|
|
{
|
|
BLASLONG i, js, offset;
|
|
|
|
FLOAT *ao1, *ao2;
|
|
|
|
BLASLONG stride_lda = sizeof(FLOAT)*lda * 2;
|
|
|
|
FLOAT_V_T vb0, vb1, va10, va11, va20, va21;
|
|
FLOAT_VX2_T va1x2, va2x2, vbx2;
|
|
VBOOL_T vbool;
|
|
INT_V_T vindex_max, vindex;
|
|
|
|
|
|
size_t vl = VSETVL_MAX;
|
|
vindex_max = VID_V_INT(vl);
|
|
|
|
for (js = n; js > 0; js -= vl, posX += vl) {
|
|
vl = VSETVL(js);
|
|
offset = posX - posY;
|
|
|
|
ao1 = a + posY * 2 + (posX + 0) * lda * 2;
|
|
ao2 = a + posX * 2 + 0 + posY * lda * 2;
|
|
|
|
for (i = m; i > 0; i--, offset--) {
|
|
va1x2 = VLSSEG2_FLOAT(ao1, stride_lda, vl);
|
|
va2x2 = VLSEG2_FLOAT(ao2, vl);
|
|
|
|
va20 = VGET_VX2(va2x2, 0);
|
|
va21 = VGET_VX2(va2x2, 1);
|
|
va10 = VGET_VX2(va1x2, 0);
|
|
va11 = VGET_VX2(va1x2, 1);
|
|
|
|
vindex = VADD_VX_INT(vindex_max, offset, vl);
|
|
vbool = VMSGT_VX_INT(vindex, 0, vl);
|
|
|
|
vb0 = VMERGE_VVM_FLOAT(va20, va10, vbool, vl);
|
|
vb1 = VMERGE_VVM_FLOAT(va21, va11, vbool, vl);
|
|
|
|
vbx2 = VSET_VX2(vbx2, 0, vb0);
|
|
vbx2 = VSET_VX2(vbx2, 1, vb1);
|
|
VSSEG2_FLOAT(b, vbx2, vl);
|
|
|
|
b += vl * 2;
|
|
ao1 += 2;
|
|
ao2 += lda * 2;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|