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Fix undefined VL_POW_WWI.

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This commit is contained in:
Wilson Snyder
2017-07-12 20:08:32 -04:00
parent 88cf5e5d98
commit ca26596695
5 changed files with 111 additions and 0 deletions
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include/verilated.cpp
+34
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@@ -283,6 +283,7 @@ WDataOutP _vl_moddiv_w(int lbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, boo
}
WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDataInP rwp) {
// obits==lbits, rbits can be different
owp[0] = 1;
for (int i=1; i < VL_WORDS_I(obits); i++) owp[i] = 0;
// cppcheck-suppress variableScope
@@ -303,8 +304,24 @@ WDataOutP VL_POW_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDa
}
return owp;
}
WDataOutP VL_POW_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, QData rhs) {
WData rhsw[2]; VL_SET_WQ(rhsw, rhs);
return VL_POW_WWW(obits,lbits,rbits,owp,lwp,rhsw);
}
QData VL_POW_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp) {
// Skip check for rhs == 0, as short-circuit doesn't save time
if (VL_UNLIKELY(lhs==0)) return 0;
QData power = lhs;
QData out = VL_ULL(1);
for (int bit=0; bit<rbits; ++bit) {
if (bit>0) power = power*power;
if (VL_BITISSET_W(rwp,bit)) out *= power;
}
return out;
}
WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, WDataInP rwp, bool lsign, bool rsign) {
// obits==lbits, rbits can be different
if (rsign && VL_SIGN_W(rbits, rwp)) {
int words = VL_WORDS_I(obits);
VL_ZERO_W(obits, owp);
@@ -323,6 +340,23 @@ WDataOutP VL_POWSS_WWW(int obits, int, int rbits, WDataOutP owp, WDataInP lwp, W
}
return VL_POW_WWW(obits, rbits, rbits, owp, lwp, rwp);
}
WDataOutP VL_POWSS_WWQ(int obits, int lbits, int rbits, WDataOutP owp, WDataInP lwp, QData rhs, bool lsign, bool rsign) {
WData rhsw[2]; VL_SET_WQ(rhsw, rhs);
return VL_POWSS_WWW(obits,lbits,rbits,owp,lwp,rhsw,lsign,rsign);
}
QData VL_POWSS_QQW(int obits, int, int rbits, QData lhs, WDataInP rwp, bool lsign, bool rsign) {
// Skip check for rhs == 0, as short-circuit doesn't save time
if (rsign && VL_SIGN_W(rbits, rwp)) {
if (lhs==0) return 0; // "X"
else if (lhs==1) return 1;
else if (lsign && lhs==VL_MASK_I(obits)) { // -1
if (rwp[0] & 1) return VL_MASK_I(obits); // -1^odd=-1
else return 1; // -1^even=1
}
return 0;
}
return VL_POW_QQW(obits, rbits, rbits, lhs, rwp);
}
//===========================================================================
// Formatting