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LibJS: Overload Instruction::length() on variable-length instructions

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This allows the DISPATCH_NEXT() macro to do the math to find the next
instruction boundary point without performing a function call.
This commit is contained in:
Andreas Kling 2025-04-28 23:16:26 +02:00 • committed by Andreas Kling
commit 6061da3382
Notes: github-actions[bot] 2025-04-29 00:10:27 +00:00
1 changed files with 8 additions and 0 deletions
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8
Libraries/LibJS/Bytecode/Op.h
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@ -309,6 +309,7 @@ public:
visitor(m_excluded_names[i]);
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_excluded_names_count);
@ -358,6 +359,7 @@ public:
Operand dst() const { return m_dst; }
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_element_count);
@ -384,6 +386,7 @@ public:
m_elements[i] = elements[i];
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Value) * m_element_count);
@ -1766,6 +1769,7 @@ public:
m_arguments[i] = arguments[i];
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_argument_count);
@ -1815,6 +1819,7 @@ public:
m_arguments[i] = arguments[i];
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_argument_count);
@ -1865,6 +1870,7 @@ public:
m_arguments[i] = arguments[i];
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_argument_count);
@ -1910,6 +1916,7 @@ public:
m_arguments[i] = arguments[i];
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Operand) * m_argument_count);
@ -2027,6 +2034,7 @@ public:
}
}
size_t length() const { return length_impl(); }
size_t length_impl() const
{
return round_up_to_power_of_two(alignof(void*), sizeof(*this) + sizeof(Optional<Operand>) * m_element_keys_count);