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fixed an unintialize mask problem in erfcinv #26

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merged 1 commit into from
Mar 8, 2024
Merged

fixed an unintialize mask problem in erfcinv #26

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9 changes: 1 addition & 8 deletions include/rvvlm_erfcinvD.inc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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) {
Expand All @@ -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);
Expand All @@ -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);
Expand All @@ -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);
Expand Down Expand Up @@ -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);

Expand Down
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