fixed an unintialize mask problem in erfcinv

rivosinc · Mar 8, 2024 · 7c4bf97 · 7c4bf97
1 parent 1d5f460
commit 7c4bf97
Showing 1 changed file with 1 addition and 8 deletions.
diff --git a/include/rvvlm_erfcinvD.inc.h b/include/rvvlm_erfcinvD.inc.h
@@ -74,8 +74,6 @@ void F_VER1(API) {
   VFLOAT vx, vx_sign, vy, vy_special;
   VBOOL special_args;
 
-  VFLOAT dummy;
-
   SET_ROUNDTONEAREST;
   // stripmining over input arguments
   for (; _inarg_n > 0; _inarg_n -= vlen) {
@@ -85,8 +83,6 @@ void F_VER1(API) {
     // Handle Inf and NaN
     EXCEPTION_HANDLING_ERFCINV(vx, special_args, vy_special, vlen);
 
-    dummy = VFMV_VF(3.1415926535, vlen);
-
     vx_sign = __riscv_vfrsub(vx, fp_posOne, vlen);
     VFLOAT two_minus_x = __riscv_vfadd(vx_sign, fp_posOne, vlen);
     VBOOL x_gt_1 = __riscv_vmflt(vx_sign, fp_posZero, vlen);
@@ -97,6 +93,7 @@ void F_VER1(API) {
     VFLOAT w_hi, w_lo, w_hi_left, w_lo_left, y_hi, y_lo;
     VINT T, T_left, T_tiny;
     VBOOL x_is_tiny;
+    x_is_tiny = __riscv_vmxor(x_is_tiny, x_is_tiny, vlen);
 
     if (__riscv_vcpop(x_in_left, vlen) > 0) {
       VFLOAT x_left = VFMV_VF(0x1.0p-3, vlen);
@@ -112,8 +109,6 @@ void F_VER1(API) {
         VFLOAT w_hi_dummy, w_lo_dummy;
         SQRTX_4_TRANSFORM(y_hi, y_lo, w_hi_dummy, w_lo_dummy, T_tiny, 0x1.0p65,
                           0x1.0p-65, vlen);
-        dummy = __riscv_vfmul(__riscv_vfcvt_f(T_tiny, vlen), 0x1.0p-2, vlen);
-        dummy = __riscv_vfsub(dummy, __riscv_vfcvt_f(T_left, vlen), vlen);
       }
     }
     w_hi = VFMV_VF(fp_posOne, vlen);
@@ -220,8 +215,6 @@ void F_VER1(API) {
     vy = __riscv_vfsgnj(vy, vx_sign, vlen);
     vy = __riscv_vmerge(vy, vy_special, special_args, vlen);
 
-    // vy = dummy;
-
     // copy vy into y and increment addr pointers
     VFSTORE_OUTARG1(vy, vlen);