From b10cf64c486d8730fcfeb53a333814915b3b5fbe Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Wed, 5 May 2021 02:19:08 -0300 Subject: glasm: Add GLASM backend infrastructure --- src/shader_recompiler/backend/glasm/reg_alloc.h | 46 +++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 src/shader_recompiler/backend/glasm/reg_alloc.h (limited to 'src/shader_recompiler/backend/glasm/reg_alloc.h') diff --git a/src/shader_recompiler/backend/glasm/reg_alloc.h b/src/shader_recompiler/backend/glasm/reg_alloc.h new file mode 100644 index 000000000..46018b0c2 --- /dev/null +++ b/src/shader_recompiler/backend/glasm/reg_alloc.h @@ -0,0 +1,46 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include + +#include "common/common_types.h" + +namespace Shader::IR { +class Inst; +class Value; +} // namespace Shader::IR + +namespace Shader::Backend::GLASM { + +struct Id { + u32 base_element : 2; + u32 num_elements_minus_one : 2; + u32 index : 26; + u32 is_spill : 1; + u32 is_condition_code : 1; +}; + +class RegAlloc { +public: + std::string Define(IR::Inst& inst, u32 num_elements = 1, u32 alignment = 1); + + std::string Consume(const IR::Value& value); + +private: + static constexpr size_t NUM_REGS = 4096; + static constexpr size_t NUM_ELEMENTS = 4; + + std::string Consume(IR::Inst& inst); + + Id Alloc(u32 num_elements, u32 alignment); + + void Free(Id id); + + size_t num_used_registers{}; + std::bitset register_use{}; +}; + +} // namespace Shader::Backend::GLASM -- cgit v1.2.3