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Support 'real' numbers and related functions.

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This commit is contained in:
Wilson Snyder
2011-07-24 15:01:51 -04:00
parent d5478e6e08
commit 55906486d8
31 changed files with 1502 additions and 807 deletions
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src/V3Const.cpp
+6 -1
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@@ -37,7 +37,6 @@
#include "V3Const.h"
#include "V3Ast.h"
#include "V3Width.h"
#include "V3Signed.h"
#include "V3Simulate.h"
//######################################################################
@@ -1783,17 +1782,23 @@ private:
TREEOP ("AstXnor {operandsSame($lhsp,,$rhsp)}", "replaceAllOnes(nodep)");
TREEOP ("AstXor {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstEq {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)"); // We let X==X -> 1, although in a true 4-state sim it's X.
TREEOP ("AstEqD {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)"); // We let X==X -> 1, although in a true 4-state sim it's X.
TREEOP ("AstEqCase {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstEqWild {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstGt {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstGtD {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstGtS {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstGte {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstGteD {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstGteS {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstLt {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstLtD {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstLtS {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstLte {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstLteD {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstLteS {operandsSame($lhsp,,$rhsp)}", "replaceNum(nodep,1)");
TREEOP ("AstNeq {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstNeqD {operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstNeqCase{operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstNeqWild{operandsSame($lhsp,,$rhsp)}", "replaceZero(nodep)");
TREEOP ("AstLogAnd {operandsSame($lhsp,,$rhsp), $lhsp.width1}", "replaceWLhs(nodep)");