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-rw-r--r--JavaScriptCore/jit/JITInlineMethods.h62
1 files changed, 35 insertions, 27 deletions
diff --git a/JavaScriptCore/jit/JITInlineMethods.h b/JavaScriptCore/jit/JITInlineMethods.h
index 148f615..89faa00 100644
--- a/JavaScriptCore/jit/JITInlineMethods.h
+++ b/JavaScriptCore/jit/JITInlineMethods.h
@@ -113,10 +113,10 @@ ALWAYS_INLINE void JIT::emitGetFromCallFrameHeader32(RegisterFile::CallFrameHead
ALWAYS_INLINE JIT::Call JIT::emitNakedCall(CodePtr function)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
Call nakedCall = nearCall();
- m_calls.append(CallRecord(nakedCall, m_bytecodeIndex, function.executableAddress()));
+ m_calls.append(CallRecord(nakedCall, m_bytecodeOffset, function.executableAddress()));
return nakedCall;
}
@@ -243,33 +243,33 @@ ALWAYS_INLINE void JIT::linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator&
ALWAYS_INLINE void JIT::addSlowCase(Jump jump)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
- m_slowCases.append(SlowCaseEntry(jump, m_bytecodeIndex));
+ m_slowCases.append(SlowCaseEntry(jump, m_bytecodeOffset));
}
ALWAYS_INLINE void JIT::addSlowCase(JumpList jumpList)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
const JumpList::JumpVector& jumpVector = jumpList.jumps();
size_t size = jumpVector.size();
for (size_t i = 0; i < size; ++i)
- m_slowCases.append(SlowCaseEntry(jumpVector[i], m_bytecodeIndex));
+ m_slowCases.append(SlowCaseEntry(jumpVector[i], m_bytecodeOffset));
}
ALWAYS_INLINE void JIT::addJump(Jump jump, int relativeOffset)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
- m_jmpTable.append(JumpTable(jump, m_bytecodeIndex + relativeOffset));
+ m_jmpTable.append(JumpTable(jump, m_bytecodeOffset + relativeOffset));
}
ALWAYS_INLINE void JIT::emitJumpSlowToHot(Jump jump, int relativeOffset)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
- jump.linkTo(m_labels[m_bytecodeIndex + relativeOffset], this);
+ jump.linkTo(m_labels[m_bytecodeOffset + relativeOffset], this);
}
#if ENABLE(SAMPLING_FLAGS)
@@ -485,24 +485,24 @@ ALWAYS_INLINE void JIT::emitInitRegister(unsigned dst)
emitStore(dst, jsUndefined());
}
-inline bool JIT::isLabeled(unsigned bytecodeIndex)
+inline bool JIT::isLabeled(unsigned bytecodeOffset)
{
for (size_t numberOfJumpTargets = m_codeBlock->numberOfJumpTargets(); m_jumpTargetIndex != numberOfJumpTargets; ++m_jumpTargetIndex) {
unsigned jumpTarget = m_codeBlock->jumpTarget(m_jumpTargetIndex);
- if (jumpTarget == bytecodeIndex)
+ if (jumpTarget == bytecodeOffset)
return true;
- if (jumpTarget > bytecodeIndex)
+ if (jumpTarget > bytecodeOffset)
return false;
}
return false;
}
-inline void JIT::map(unsigned bytecodeIndex, unsigned virtualRegisterIndex, RegisterID tag, RegisterID payload)
+inline void JIT::map(unsigned bytecodeOffset, unsigned virtualRegisterIndex, RegisterID tag, RegisterID payload)
{
- if (isLabeled(bytecodeIndex))
+ if (isLabeled(bytecodeOffset))
return;
- m_mappedBytecodeIndex = bytecodeIndex;
+ m_mappedBytecodeOffset = bytecodeOffset;
m_mappedVirtualRegisterIndex = virtualRegisterIndex;
m_mappedTag = tag;
m_mappedPayload = payload;
@@ -518,7 +518,7 @@ inline void JIT::unmap(RegisterID registerID)
inline void JIT::unmap()
{
- m_mappedBytecodeIndex = (unsigned)-1;
+ m_mappedBytecodeOffset = (unsigned)-1;
m_mappedVirtualRegisterIndex = (unsigned)-1;
m_mappedTag = (RegisterID)-1;
m_mappedPayload = (RegisterID)-1;
@@ -526,7 +526,7 @@ inline void JIT::unmap()
inline bool JIT::isMapped(unsigned virtualRegisterIndex)
{
- if (m_mappedBytecodeIndex != m_bytecodeIndex)
+ if (m_mappedBytecodeOffset != m_bytecodeOffset)
return false;
if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
return false;
@@ -535,7 +535,7 @@ inline bool JIT::isMapped(unsigned virtualRegisterIndex)
inline bool JIT::getMappedPayload(unsigned virtualRegisterIndex, RegisterID& payload)
{
- if (m_mappedBytecodeIndex != m_bytecodeIndex)
+ if (m_mappedBytecodeOffset != m_bytecodeOffset)
return false;
if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
return false;
@@ -547,7 +547,7 @@ inline bool JIT::getMappedPayload(unsigned virtualRegisterIndex, RegisterID& pay
inline bool JIT::getMappedTag(unsigned virtualRegisterIndex, RegisterID& tag)
{
- if (m_mappedBytecodeIndex != m_bytecodeIndex)
+ if (m_mappedBytecodeOffset != m_bytecodeOffset)
return false;
if (m_mappedVirtualRegisterIndex != virtualRegisterIndex)
return false;
@@ -559,14 +559,22 @@ inline bool JIT::getMappedTag(unsigned virtualRegisterIndex, RegisterID& tag)
inline void JIT::emitJumpSlowCaseIfNotJSCell(unsigned virtualRegisterIndex)
{
- if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex))
- addSlowCase(emitJumpIfNotJSCell(virtualRegisterIndex));
+ if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex)) {
+ if (m_codeBlock->isConstantRegisterIndex(virtualRegisterIndex))
+ addSlowCase(jump());
+ else
+ addSlowCase(emitJumpIfNotJSCell(virtualRegisterIndex));
+ }
}
inline void JIT::emitJumpSlowCaseIfNotJSCell(unsigned virtualRegisterIndex, RegisterID tag)
{
- if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex))
- addSlowCase(branch32(NotEqual, tag, Imm32(JSValue::CellTag)));
+ if (!m_codeBlock->isKnownNotImmediate(virtualRegisterIndex)) {
+ if (m_codeBlock->isConstantRegisterIndex(virtualRegisterIndex))
+ addSlowCase(jump());
+ else
+ addSlowCase(branch32(NotEqual, tag, Imm32(JSValue::CellTag)));
+ }
}
inline void JIT::linkSlowCaseIfNotJSCell(Vector<SlowCaseEntry>::iterator& iter, unsigned virtualRegisterIndex)
@@ -632,7 +640,7 @@ ALWAYS_INLINE void JIT::killLastResultRegister()
// get arg puts an arg from the SF register array into a h/w register
ALWAYS_INLINE void JIT::emitGetVirtualRegister(int src, RegisterID dst)
{
- ASSERT(m_bytecodeIndex != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeIndex is set.
+ ASSERT(m_bytecodeOffset != (unsigned)-1); // This method should only be called during hot/cold path generation, so that m_bytecodeOffset is set.
// TODO: we want to reuse values that are already in registers if we can - add a register allocator!
if (m_codeBlock->isConstantRegisterIndex(src)) {
@@ -644,8 +652,8 @@ ALWAYS_INLINE void JIT::emitGetVirtualRegister(int src, RegisterID dst)
if (src == m_lastResultBytecodeRegister && m_codeBlock->isTemporaryRegisterIndex(src)) {
bool atJumpTarget = false;
- while (m_jumpTargetsPosition < m_codeBlock->numberOfJumpTargets() && m_codeBlock->jumpTarget(m_jumpTargetsPosition) <= m_bytecodeIndex) {
- if (m_codeBlock->jumpTarget(m_jumpTargetsPosition) == m_bytecodeIndex)
+ while (m_jumpTargetsPosition < m_codeBlock->numberOfJumpTargets() && m_codeBlock->jumpTarget(m_jumpTargetsPosition) <= m_bytecodeOffset) {
+ if (m_codeBlock->jumpTarget(m_jumpTargetsPosition) == m_bytecodeOffset)
atJumpTarget = true;
++m_jumpTargetsPosition;
}
generated by cgit v1.1 at 2025-09-13 02:14:42 +0000