/*************************************************************************** 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_e32m4(n) #define FLOAT_V_T vfloat32m4_t #define FLOAT_VX2_T vfloat32m4x2_t #define VGET_VX2 __riscv_vget_v_f32m4x2_f32m4 #define VSET_VX2 __riscv_vset_v_f32m4_f32m4x2 #define VLSEG_FLOAT __riscv_vlseg2e32_v_f32m4x2 #define VLSSEG_FLOAT __riscv_vlsseg2e32_v_f32m4x2 #define VSSEG_FLOAT __riscv_vsseg2e32_v_f32m4x2 #define VSSSEG_FLOAT __riscv_vssseg2e32_v_f32m4x2 #define VFMACCVF_FLOAT __riscv_vfmacc_vf_f32m4 #define VFNMSACVF_FLOAT __riscv_vfnmsac_vf_f32m4 #else #define VSETVL(n) __riscv_vsetvl_e64m4(n) #define FLOAT_V_T vfloat64m4_t #define FLOAT_VX2_T vfloat64m4x2_t #define VGET_VX2 __riscv_vget_v_f64m4x2_f64m4 #define VSET_VX2 __riscv_vset_v_f64m4_f64m4x2 #define VLSEG_FLOAT __riscv_vlseg2e64_v_f64m4x2 #define VLSSEG_FLOAT __riscv_vlsseg2e64_v_f64m4x2 #define VSSEG_FLOAT __riscv_vsseg2e64_v_f64m4x2 #define VSSSEG_FLOAT __riscv_vssseg2e64_v_f64m4x2 #define VFMACCVF_FLOAT __riscv_vfmacc_vf_f64m4 #define VFNMSACVF_FLOAT __riscv_vfnmsac_vf_f64m4 #endif int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2) { if(n < 0) return(0); if(da_r == 0.0 && da_i == 0.0) return(0); FLOAT_V_T vx0, vx1, vy0, vy1; FLOAT_VX2_T vxx2, vyx2; if(inc_x == 1 && inc_y == 1) { for (size_t vl; n > 0; n -= vl, x += vl*2, y += vl*2) { vl = VSETVL(n); vxx2 = VLSEG_FLOAT(x, vl); vyx2 = VLSEG_FLOAT(y, vl); vx0 = VGET_VX2(vxx2, 0); vx1 = VGET_VX2(vxx2, 1); vy0 = VGET_VX2(vyx2, 0); vy1 = VGET_VX2(vyx2, 1); #if !defined(CONJ) vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFNMSACVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #else vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFMACCVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFNMSACVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #endif vyx2 = VSET_VX2(vyx2, 0, vy0); vyx2 = VSET_VX2(vyx2, 1, vy1); VSSEG_FLOAT(y, vyx2, vl); } } else if (inc_x == 1) { BLASLONG stride_y = inc_y * 2 * sizeof(FLOAT); for (size_t vl; n > 0; n -= vl, x += vl*2, y += vl*inc_y*2) { vl = VSETVL(n); vxx2 = VLSEG_FLOAT(x, vl); vyx2 = VLSSEG_FLOAT(y, stride_y, vl); vx0 = VGET_VX2(vxx2, 0); vx1 = VGET_VX2(vxx2, 1); vy0 = VGET_VX2(vyx2, 0); vy1 = VGET_VX2(vyx2, 1); #if !defined(CONJ) vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFNMSACVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #else vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFMACCVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFNMSACVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #endif vyx2 = VSET_VX2(vyx2, 0, vy0); vyx2 = VSET_VX2(vyx2, 1, vy1); VSSSEG_FLOAT(y, stride_y, vyx2, vl); } } else if (inc_y == 1) { BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT); for (size_t vl; n > 0; n -= vl, x += vl*inc_x*2, y += vl*2) { vl = VSETVL(n); vxx2 = VLSSEG_FLOAT(x, stride_x, vl); vyx2 = VLSEG_FLOAT(y, vl); vx0 = VGET_VX2(vxx2, 0); vx1 = VGET_VX2(vxx2, 1); vy0 = VGET_VX2(vyx2, 0); vy1 = VGET_VX2(vyx2, 1); #if !defined(CONJ) vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFNMSACVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #else vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFMACCVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFNMSACVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #endif vyx2 = VSET_VX2(vyx2, 0, vy0); vyx2 = VSET_VX2(vyx2, 1, vy1); VSSEG_FLOAT(y, vyx2, vl); } } else { BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT); BLASLONG stride_y = inc_y * 2 * sizeof(FLOAT); for (size_t vl; n > 0; n -= vl, x += vl*inc_x*2, y += vl*inc_y*2) { vl = VSETVL(n); vxx2 = VLSSEG_FLOAT(x, stride_x, vl); vyx2 = VLSSEG_FLOAT(y, stride_y, vl); vx0 = VGET_VX2(vxx2, 0); vx1 = VGET_VX2(vxx2, 1); vy0 = VGET_VX2(vyx2, 0); vy1 = VGET_VX2(vyx2, 1); #if !defined(CONJ) vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFNMSACVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #else vy0 = VFMACCVF_FLOAT(vy0, da_r, vx0, vl); vy0 = VFMACCVF_FLOAT(vy0, da_i, vx1, vl); vy1 = VFNMSACVF_FLOAT(vy1, da_r, vx1, vl); vy1 = VFMACCVF_FLOAT(vy1, da_i, vx0, vl); #endif vyx2 = VSET_VX2(vyx2, 0, vy0); vyx2 = VSET_VX2(vyx2, 1, vy1); VSSSEG_FLOAT(y, stride_y, vyx2, vl); } } return(0); }