From 2d48a7b4d0666ad16d03a22d85712617a0849046 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sat, 9 Jan 2021 03:30:07 -0300 Subject: shader: Initial recompiler work --- src/shader_recompiler/frontend/ir/ir_emitter.h | 123 +++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 src/shader_recompiler/frontend/ir/ir_emitter.h (limited to 'src/shader_recompiler/frontend/ir/ir_emitter.h') diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h new file mode 100644 index 000000000..1af79f41c --- /dev/null +++ b/src/shader_recompiler/frontend/ir/ir_emitter.h @@ -0,0 +1,123 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "shader_recompiler/frontend/ir/attribute.h" +#include "shader_recompiler/frontend/ir/basic_block.h" +#include "shader_recompiler/frontend/ir/value.h" + +namespace Shader::IR { + +class IREmitter { +public: + explicit IREmitter(Block& block_) : block{block_}, insertion_point{block.end()} {} + + Block& block; + + [[nodiscard]] U1 Imm1(bool value) const; + [[nodiscard]] U8 Imm8(u8 value) const; + [[nodiscard]] U16 Imm16(u16 value) const; + [[nodiscard]] U32 Imm32(u32 value) const; + [[nodiscard]] U32 Imm32(s32 value) const; + [[nodiscard]] U32 Imm32(f32 value) const; + [[nodiscard]] U64 Imm64(u64 value) const; + [[nodiscard]] U64 Imm64(f64 value) const; + + void Branch(IR::Block* label); + void BranchConditional(const U1& cond, IR::Block* true_label, IR::Block* false_label); + void Exit(); + void Return(); + void Unreachable(); + + [[nodiscard]] U32 GetReg(IR::Reg reg); + void SetReg(IR::Reg reg, const U32& value); + + [[nodiscard]] U1 GetPred(IR::Pred pred, bool is_negated = false); + void SetPred(IR::Pred pred, const U1& value); + + [[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset); + + [[nodiscard]] U1 GetZFlag(); + [[nodiscard]] U1 GetSFlag(); + [[nodiscard]] U1 GetCFlag(); + [[nodiscard]] U1 GetOFlag(); + + void SetZFlag(const U1& value); + void SetSFlag(const U1& value); + void SetCFlag(const U1& value); + void SetOFlag(const U1& value); + + [[nodiscard]] U32 GetAttribute(IR::Attribute attribute); + void SetAttribute(IR::Attribute attribute, const U32& value); + + void WriteGlobalU8(const U64& address, const U32& value); + void WriteGlobalS8(const U64& address, const U32& value); + void WriteGlobalU16(const U64& address, const U32& value); + void WriteGlobalS16(const U64& address, const U32& value); + void WriteGlobal32(const U64& address, const U32& value); + void WriteGlobal64(const U64& address, const IR::Value& vector); + void WriteGlobal128(const U64& address, const IR::Value& vector); + + [[nodiscard]] U1 GetZeroFromOp(const Value& op); + [[nodiscard]] U1 GetSignFromOp(const Value& op); + [[nodiscard]] U1 GetCarryFromOp(const Value& op); + [[nodiscard]] U1 GetOverflowFromOp(const Value& op); + + [[nodiscard]] Value CompositeConstruct(const UAny& e1, const UAny& e2); + [[nodiscard]] Value CompositeConstruct(const UAny& e1, const UAny& e2, const UAny& e3); + [[nodiscard]] Value CompositeConstruct(const UAny& e1, const UAny& e2, const UAny& e3, + const UAny& e4); + [[nodiscard]] UAny CompositeExtract(const Value& vector, size_t element); + + [[nodiscard]] U64 PackUint2x32(const Value& vector); + [[nodiscard]] Value UnpackUint2x32(const U64& value); + + [[nodiscard]] U32 PackFloat2x16(const Value& vector); + [[nodiscard]] Value UnpackFloat2x16(const U32& value); + + [[nodiscard]] U64 PackDouble2x32(const Value& vector); + [[nodiscard]] Value UnpackDouble2x32(const U64& value); + + [[nodiscard]] U16U32U64 FPAdd(const U16U32U64& a, const U16U32U64& b); + [[nodiscard]] U16U32U64 FPMul(const U16U32U64& a, const U16U32U64& b); + + [[nodiscard]] U16U32U64 FPAbs(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPNeg(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPAbsNeg(const U16U32U64& value, bool abs, bool neg); + + [[nodiscard]] U32 FPCosNotReduced(const U32& value); + [[nodiscard]] U32 FPExp2NotReduced(const U32& value); + [[nodiscard]] U32 FPLog2(const U32& value); + [[nodiscard]] U32U64 FPRecip(const U32U64& value); + [[nodiscard]] U32U64 FPRecipSqrt(const U32U64& value); + [[nodiscard]] U32 FPSinNotReduced(const U32& value); + [[nodiscard]] U32 FPSqrt(const U32& value); + [[nodiscard]] U16U32U64 FPSaturate(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPRoundEven(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPFloor(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPCeil(const U16U32U64& value); + [[nodiscard]] U16U32U64 FPTrunc(const U16U32U64& value); + + [[nodiscard]] U1 LogicalOr(const U1& a, const U1& b); + [[nodiscard]] U1 LogicalAnd(const U1& a, const U1& b); + [[nodiscard]] U1 LogicalNot(const U1& value); + + [[nodiscard]] U32U64 ConvertFToS(size_t bitsize, const U16U32U64& value); + [[nodiscard]] U32U64 ConvertFToU(size_t bitsize, const U16U32U64& value); + [[nodiscard]] U32U64 ConvertFToI(size_t bitsize, bool is_signed, const U16U32U64& value); + + [[nodiscard]] U32U64 ConvertU(size_t bitsize, const U32U64& value); + +private: + IR::Block::iterator insertion_point; + + template + T Inst(Opcode op, Args... args) { + auto it{block.PrependNewInst(insertion_point, op, {Value{args}...})}; + return T{Value{&*it}}; + } +}; + +} // namespace Shader::IR -- cgit v1.2.3