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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef RCC_TARGET_RISCV_RISCVTARGET_H
#define RCC_TARGET_RISCV_RISCVTARGET_H
#include "rcc/CodeGen/TargetDescription.h"
#include "rcc/Support/Error.h"
#include "rcc/Target/RISCV/RISCVInstructions.h"
#include "rcc/Target/RISCV/RISCVRegisters.h"
#include <cstdint>
#include <memory>
#include <span>
#include <string_view>
namespace rcc::riscv {
struct SchedulingClassInfo final {
SchedulingClassID ID;
std::string_view Name;
std::uint32_t MicroOps = 0;
std::uint32_t Latency = 0;
};
struct EncodingCategoryInfo final {
EncodingCategoryID ID;
std::string_view Name;
std::uint32_t SizeInBytes = 0;
};
struct AssemblyFormatInfo final {
AssemblyFormatID ID;
std::string_view Name;
};
struct AssemblyInstructionInfo final {
Opcode InstructionOpcode;
std::string_view Mnemonic;
AssemblyFormatID Format;
std::uint32_t Encoding = 0;
};
struct CallingConventionInfo final {
CallingConvention ID;
std::string_view Name;
RegisterClassID IntegerRegisterClass;
RegisterClassID FloatingRegisterClass;
std::span<const PhysicalRegister> IntegerArgumentRegisters;
std::span<const PhysicalRegister> FloatingArgumentRegisters;
std::span<const PhysicalRegister> IntegerReturnRegisters;
std::span<const PhysicalRegister> FloatingReturnRegisters;
std::string_view PreservedMaskName;
std::uint32_t StackAlignmentBytes = 0;
std::uint32_t StackArgumentAlignmentBytes = 0;
std::uint32_t ShadowSpaceBytes = 0;
bool SupportsVarArgs = false;
bool SupportsTailCalls = false;
};
[[nodiscard]] Expected<PhysicalRegister> physicalRegister(PhysicalRegisterID ID);
[[nodiscard]] Expected<TargetRegisterInfo> createRegisterInfo();
[[nodiscard]] Expected<TargetMIRTextInfo> createMIRTextInfo();
[[nodiscard]] Expected<TargetDescription> createTargetDescription();
[[nodiscard]] std::shared_ptr<const RegisterMask>
createCallPreservedMask(CallingConvention Convention);
[[nodiscard]] std::span<const SchedulingClassInfo> schedulingClasses() noexcept;
[[nodiscard]] std::span<const EncodingCategoryInfo> encodingCategories() noexcept;
[[nodiscard]] std::span<const AssemblyFormatInfo> assemblyFormats() noexcept;
[[nodiscard]] std::span<const AssemblyInstructionInfo> assemblyInstructions() noexcept;
[[nodiscard]] const AssemblyInstructionInfo *assemblyInstruction(Opcode InstructionOpcode) noexcept;
[[nodiscard]] std::span<const CallingConventionInfo> callingConventions() noexcept;
[[nodiscard]] const CallingConventionInfo *callingConvention(CallingConvention ID) noexcept;
} // namespace rcc::riscv
#endif // RCC_TARGET_RISCV_RISCVTARGET_H
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