luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-10-06 10:03:44 +02:00
Code Issues Packages Projects Releases Wiki Activity

REVERT 612237b7: Optimize trace code for faster compiles on repeated types (#6707) (#6832 partial).

Browse Source
This commit is contained in:
Wilson Snyder
2025-12-17 17:37:35 -05:00
parent d10e841b56
commit 12ff481689
20 changed files with 105 additions and 6169 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/V3EmitCImp.cpp
+19 -38
View File
@@ -624,16 +624,6 @@ class EmitCTrace final : public EmitCFunc {
}
void emitTraceInitOne(const AstTraceDecl* nodep, int enumNum) {
std::string direction;
direction = nodep->declDirection().traceSigDirection();
AstCCall* const callp = nodep->dtypeCallp();
if (callp) {
callp->argTypes(callp->argTypes() + ", " + cvtToStr(nodep->fidx()) + ", c+"
+ cvtToStr(nodep->code()) + "-1, " + direction);
return;
}
if (nodep->dtypep()->basicp()->isDouble()) {
puts("tracep->declDouble(");
} else if (nodep->isWide()) {
@@ -654,11 +644,7 @@ class EmitCTrace final : public EmitCFunc {
// Function index
puts(",");
if (nodep->inDtypeFunc()) {
puts("fidx");
} else {
puts(cvtToStr(nodep->fidx()));
}
puts(cvtToStr(nodep->fidx()));
// Name
puts(",");
@@ -668,10 +654,14 @@ class EmitCTrace final : public EmitCFunc {
puts("," + cvtToStr(enumNum));
// Direction
if (nodep->inDtypeFunc()) {
puts(", direction");
if (nodep->declDirection().isInout()) {
puts(", VerilatedTraceSigDirection::INOUT");
} else if (nodep->declDirection().isWritable()) {
puts(", VerilatedTraceSigDirection::OUTPUT");
} else if (nodep->declDirection().isNonOutput()) {
puts(", VerilatedTraceSigDirection::INPUT");
} else {
puts(", " + direction);
puts(", VerilatedTraceSigDirection::NONE");
}
// Kind
@@ -762,7 +752,16 @@ class EmitCTrace final : public EmitCFunc {
puts("VL_SC_BV_DATAP(");
}
iterateConst(varrefp); // Put var name out
emitTraceIndex(nodep, arrayindex);
// Tracing only supports 1D arrays
if (nodep->declp()->arrayRange().ranged()) {
if (arrayindex == -2) {
puts("[i]");
} else if (arrayindex == -1) {
puts("[0]");
} else {
puts("[" + cvtToStr(arrayindex) + "]");
}
}
if (varp->isSc()) puts(".read()");
if (emitTraceIsScUint(nodep)) {
puts(nodep->isQuad() ? ".to_uint64()" : ".to_uint()");
@@ -775,24 +774,10 @@ class EmitCTrace final : public EmitCFunc {
} else {
puts("(");
iterateConst(nodep->valuep());
emitTraceIndex(nodep, arrayindex);
puts(")");
}
}
void emitTraceIndex(const AstTraceInc* const nodep, int arrayindex) {
// Tracing only supports 1D arrays
if (nodep->declp()->arrayRange().ranged()) {
if (arrayindex == -2) {
puts("[i]");
} else if (arrayindex == -1) {
puts("[0]");
} else {
puts("[" + cvtToStr(arrayindex) + "]");
}
}
}
// VISITORS
using EmitCFunc::visit; // Suppress hidden overloaded virtual function warning
void visit(AstCFunc* nodep) override {
@@ -812,11 +797,7 @@ class EmitCTrace final : public EmitCFunc {
}
void visit(AstTracePushPrefix* nodep) override {
putns(nodep, "tracep->pushPrefix(");
if (nodep->quotedPrefix()) {
putsQuoted(VIdProtect::protectWordsIf(nodep->prefix(), nodep->protect()));
} else {
puts(nodep->prefix());
}
putsQuoted(VIdProtect::protectWordsIf(nodep->prefix(), nodep->protect()));
puts(", VerilatedTracePrefixType::");
puts(nodep->prefixType().ascii());
puts(");\n");