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Merge pull request #3480 from wzgpeter/develop 

fix bug in zscal function
This commit is contained in:
Martin Kroeker 2021-12-16 21:50:06 +01:00 committed by GitHub
parent 449fb7d849 92b7b949dd
commit f67a0620a3
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 1 deletions
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23
kernel/riscv64/zscal_vector.c
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@ -35,6 +35,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define VFMACCVF_FLOAT vfmacc_vf_f32m4 #define VFMACCVF_FLOAT vfmacc_vf_f32m4
#define VFMULVF_FLOAT vfmul_vf_f32m4 #define VFMULVF_FLOAT vfmul_vf_f32m4
#define VFNMSACVF_FLOAT vfnmsac_vf_f32m4 #define VFNMSACVF_FLOAT vfnmsac_vf_f32m4
#define VFMVVF_FLOAT vfmv_v_f_f32m4
#else #else
#define VSETVL(n) vsetvl_e64m4(n) #define VSETVL(n) vsetvl_e64m4(n)
#define VSETVL_MAX vsetvlmax_e64m1() #define VSETVL_MAX vsetvlmax_e64m1()
@ -44,6 +45,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define VFMACCVF_FLOAT vfmacc_vf_f64m4 #define VFMACCVF_FLOAT vfmacc_vf_f64m4
#define VFMULVF_FLOAT vfmul_vf_f64m4 #define VFMULVF_FLOAT vfmul_vf_f64m4
#define VFNMSACVF_FLOAT vfnmsac_vf_f64m4 #define VFNMSACVF_FLOAT vfnmsac_vf_f64m4
#define VFMVVF_FLOAT vfmv_v_f_f64m4
#endif #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) 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)
@ -58,7 +60,26 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
unsigned int gvl = 0; unsigned int gvl = 0;
FLOAT_V_T vt, v0, v1; FLOAT_V_T vt, v0, v1;
if(da_r == 0.0 && da_i == 0.0){ if(da_r == 0.0 && da_i == 0.0){
memset(&x[0], 0, n * 2 * sizeof(FLOAT)); gvl = VSETVL(n);
BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);
BLASLONG inc_xv = inc_x * 2 * gvl;
vt = VFMVVF_FLOAT(0.0, gvl);
for(i=0,j=0; i < n/(gvl*2); i++){
VSSEV_FLOAT(&x[ix], stride_x, vt, gvl);
VSSEV_FLOAT(&x[ix+1], stride_x, vt, gvl);
VSSEV_FLOAT(&x[ix+inc_xv], stride_x, vt, gvl);
VSSEV_FLOAT(&x[ix+inc_xv+1], stride_x, vt, gvl);
j += gvl*2;
ix += inc_xv*2;
}
for(; j < n; ){
gvl = VSETVL(n-j);
VSSEV_FLOAT(&x[ix], stride_x, vt, gvl);
VSSEV_FLOAT(&x[ix+1], stride_x, vt, gvl);
j += gvl;
ix += inc_x * 2 * gvl;
}
}else if(da_r == 0.0){ }else if(da_r == 0.0){
gvl = VSETVL(n); gvl = VSETVL(n);
BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT); BLASLONG stride_x = inc_x * 2 * sizeof(FLOAT);