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Optimize assertion control queries (#8547)

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This commit is contained in:
Artur Bieniek
2026-09-30 11:32:56 -04:00
committed by GitHub
parent 055b870e11
commit d4e4b1d795
6 changed files with 56 additions and 204 deletions
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include/verilated.cpp
+3 -19
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@@ -3128,32 +3128,16 @@ VerilatedContext::Serialized::Serialized() {
bool VerilatedContext::assertOn() const VL_MT_SAFE { return m_s.m_assertOn; }
void VerilatedContext::assertOn(bool flag) VL_MT_SAFE {
if (assertCtlsLocked()) return;
if (m_ns.m_assertCtlsLocked) return;
// Set all assert and directive types when true, clear otherwise.
m_s.m_assertOn = VL_MASK_I(ASSERT_ON_WIDTH) * flag;
}
bool VerilatedContext::assertOnGet(VerilatedAssertType_t type,
VerilatedAssertDirectiveType_t directive) const VL_MT_SAFE {
return assertCtlGet(VerilatedAssertCtlQuery::ASSERT_CTL_ON, type, directive);
}
void VerilatedContext::assertOnSet(VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
if (assertCtlsLocked()) return;
m_s.m_assertOn |= assertOnMask(types, directives);
}
void VerilatedContext::assertOnClear(VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
if (assertCtlsLocked()) return;
m_s.m_assertOn &= ~assertOnMask(types, directives);
}
bool VerilatedContext::assertCtlsLocked() const VL_MT_SAFE { return m_ns.m_assertCtlsLocked; }
void VerilatedContext::assertCtlsLocked(bool flag) VL_MT_SAFE { m_ns.m_assertCtlsLocked = flag; }
void VerilatedContext::assertCtl(uint32_t controlType, VerilatedAssertType_t types,
VerilatedAssertDirectiveType_t directives) VL_MT_SAFE {
// IEEE 1800-2023 Table 20-5 control_type. Lock freezes the On/Off state of the
// selected bits until Unlock; On/Off/Kill leave locked bits unchanged.
// +verilator+assert+lock freezes everything, including Lock/Unlock itself.
if (assertCtlsLocked()) return;
if (m_ns.m_assertCtlsLocked) return;
const uint32_t mask = assertOnMask(types, directives);
const uint32_t lockedMask = mask & ~m_s.m_assertLock;
switch (controlType) {
@@ -3598,7 +3582,7 @@ void VerilatedContextImp::commandArgVl(const std::string& arg) {
std::string str;
uint64_t u64;
if (arg == "+verilator+assert+lock") {
assertCtlsLocked(true);
m_ns.m_assertCtlsLocked = true;
} else if (commandArgVlString(arg, "+verilator+coverage+file+", str)) {
coverageFilename(str);
} else if (arg == "+verilator+debug") {