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Optimize size of trace declaration object code (#7150)

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This commit is contained in:
Szymon Gizler
2026-02-28 09:54:08 -05:00
committed by GitHub
parent 6f892d58ac
commit 1af7fa92c2
7 changed files with 296 additions and 139 deletions
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src/V3EmitCImp.cpp
+14 -10
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@@ -627,21 +627,27 @@ class EmitCTrace final : public EmitCFunc {
void emitTraceInitOne(const AstTraceDecl* nodep, int enumNum) {
if (nodep->dtypep()->basicp()->isDouble()) {
puts("tracep->declDouble(");
puts("VL_TRACE_DECL_DOUBLE");
} else if (nodep->isWide()) {
puts("tracep->declArray(");
puts("VL_TRACE_DECL_WIDE");
} else if (nodep->isQuad()) {
puts("tracep->declQuad(");
puts("VL_TRACE_DECL_QUAD");
} else if (nodep->bitRange().ranged()) {
puts("tracep->declBus(");
puts("VL_TRACE_DECL_BUS");
} else if (nodep->dtypep()->basicp()->isEvent()) {
puts("tracep->declEvent(");
puts("VL_TRACE_DECL_EVENT");
} else {
puts("tracep->declBit(");
puts("VL_TRACE_DECL_BIT");
}
if (nodep->arrayRange().ranged()) {
puts("_ARRAY(tracep");
} else {
puts("(tracep");
}
// Code
puts("c+" + cvtToStr(nodep->code()));
puts(",c+" + cvtToStr(nodep->code()));
if (nodep->arrayRange().ranged()) puts("+i*" + cvtToStr(nodep->widthWords()));
// Function index
@@ -676,9 +682,7 @@ class EmitCTrace final : public EmitCFunc {
// Array range
if (nodep->arrayRange().ranged()) {
puts(", true,(i+" + cvtToStr(nodep->arrayRange().lo()) + ")");
} else {
puts(", false,-1");
puts(", (i+" + cvtToStr(nodep->arrayRange().lo()) + ")");
}
// Bit range