Update nrm2_rvv.c

martin-frbg · web-flow · commit cf80bd850019 · 2024-03-13T13:07:26.000+01:00
diff --git a/kernel/riscv64/nrm2_rvv.c b/kernel/riscv64/nrm2_rvv.c
@@ -119,7 +119,7 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)
         unsigned int stride_x = inc_x * sizeof(FLOAT);
         int idx = 0;
 
-        if( n >= gvl ) // don't pay overheads if we're not doing useful work
+        if( n >= gvl && inc_x > 0 ) // don't pay overheads if we're not doing useful work
         {
                 for(i=0; i<n/gvl; i++){
                         v0 = VLSEV_FLOAT( &x[idx], stride_x, gvl );

Original file line number	Diff line number	Diff line change
`@@ -119,7 +119,7 @@ FLOAT CNAME(BLASLONG n, FLOAT *x, BLASLONG inc_x)`
`119`	`119`	`unsigned int stride_x = inc_x * sizeof(FLOAT);`
`120`	`120`	`int idx = 0;`
`121`	`121`
`122`		`- if( n >= gvl ) // don't pay overheads if we're not doing useful work`
	`122`	`+ if( n >= gvl && inc_x > 0 ) // don't pay overheads if we're not doing useful work`
`123`	`123`	`{`
`124`	`124`	`for(i=0; i<n/gvl; i++){`
`125`	`125`	`v0 = VLSEV_FLOAT( &x[idx], stride_x, gvl );`