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Support negative bit indexes.

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Allow arbitrary characters in symbols (to make '-' work.)
Final merge from negative_lsb branch.
This commit is contained in:
Wilson Snyder
2008-10-06 09:59:22 -04:00
parent cdd6ea8e60
commit 3b1929259a
18 changed files with 230 additions and 114 deletions
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src/V3Expand.cpp
+2 -2
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@@ -172,7 +172,7 @@ private:
// Return equation to get the VL_BITWORD of a constant or non-constant
if (lsbp->castConst()) {
return new AstConst (lsbp->fileline(),
wordAdder + VL_BITWORD_I(lsbp->castConst()->asInt()));
wordAdder + VL_BITWORD_I(lsbp->castConst()->toUInt()));
} else {
AstNode* shiftp = new AstShiftR (lsbp->fileline(),
lsbp->cloneTree(true),
@@ -203,7 +203,7 @@ private:
// Return equation to get the VL_BITBIT of a constant or non-constant
if (lsbp->castConst()) {
return new AstConst (lsbp->fileline(),
VL_BITBIT_I(lsbp->castConst()->asInt()));
VL_BITBIT_I(lsbp->castConst()->toUInt()));
} else {
return new AstAnd (lsbp->fileline(),
new AstConst(lsbp->fileline(), VL_WORDSIZE-1),