luau/CodeGen/src/EmitCommon.h
vegorov-rbx c26d820902
Sync to upstream/release/606 (#1127)
New Solver
* Improvements to data flow analysis

Native Code Generation
* Block limit is now per-function instead of per-module

Co-authored-by: Alexander McCord <amccord@roblox.com>
Co-authored-by: Andy Friesen <afriesen@roblox.com>
Co-authored-by: Aviral Goel <agoel@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2023-12-08 13:50:16 -08:00

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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include "Luau/Label.h"
namespace Luau
{
namespace CodeGen
{
constexpr unsigned kTValueSizeLog2 = 4;
constexpr unsigned kLuaNodeSizeLog2 = 5;
// TKey.tt and TKey.next are packed together in a bitfield
constexpr unsigned kOffsetOfTKeyTagNext = 12; // offsetof cannot be used on a bit field
constexpr unsigned kTKeyTagBits = 4;
constexpr unsigned kTKeyTagMask = (1 << kTKeyTagBits) - 1;
constexpr unsigned kOffsetOfInstructionC = 3;
// Leaf functions that are placed in every module to perform common instruction sequences
struct ModuleHelpers
{
// A64/X64
Label exitContinueVm;
Label exitNoContinueVm;
Label exitContinueVmClearNativeFlag;
Label updatePcAndContinueInVm; // no reentry
Label return_;
Label interrupt;
// A64
Label continueCall; // x0: closure
};
} // namespace CodeGen
} // namespace Luau