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LibJS/JIT: Add fast path for cached PutById

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This commit is contained in:
Andreas Kling 2023-11-09 09:28:04 +01:00
parent b1b2ca1485
commit 55e467c359
7 changed files with 189 additions and 12 deletions
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20
Userland/Libraries/LibJS/JIT/Compiler.h
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@ -27,7 +27,7 @@ private:
# if ARCH(X86_64)
static constexpr auto GPR0 = Assembler::Reg::RAX;
static constexpr auto GPR1 = Assembler::Reg::RCX;
static constexpr auto GPR2 = Assembler::Reg::R12;
static constexpr auto GPR2 = Assembler::Reg::R13;
static constexpr auto ARG0 = Assembler::Reg::RDI;
static constexpr auto ARG1 = Assembler::Reg::RSI;
static constexpr auto ARG2 = Assembler::Reg::RDX;
@ -38,7 +38,7 @@ private:
static constexpr auto STACK_POINTER = Assembler::Reg::RSP;
static constexpr auto REGISTER_ARRAY_BASE = Assembler::Reg::RBX;
static constexpr auto LOCALS_ARRAY_BASE = Assembler::Reg::R14;
static constexpr auto CACHED_ACCUMULATOR = Assembler::Reg::R13;
static constexpr auto CACHED_ACCUMULATOR = Assembler::Reg::R12;
static constexpr auto RUNNING_EXECUTION_CONTEXT_BASE = Assembler::Reg::R15;
# endif
@ -171,7 +171,21 @@ private:
void jump_if_int32(Assembler::Reg, Assembler::Label&);
template<typename Codegen>
void branch_if_int32(Assembler::Reg, Codegen);
void branch_if_type(Assembler::Reg, u16 type_tag, Codegen);
template<typename Codegen>
void branch_if_int32(Assembler::Reg reg, Codegen codegen)
{
branch_if_type(reg, INT32_TAG, codegen);
}
template<typename Codegen>
void branch_if_object(Assembler::Reg reg, Codegen codegen)
{
branch_if_type(reg, OBJECT_TAG, codegen);
}
void extract_object_pointer(Assembler::Reg dst_object, Assembler::Reg src_value);
template<typename Codegen>
void branch_if_both_int32(Assembler::Reg, Assembler::Reg, Codegen);