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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-05-07 11:31:30 +0200 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:30 +0200 |
commit | c1ba685d9c9b9ca9e8c479c52097adf943e804eb (patch) | |
tree | 015e58378db727b8df4089570ad224e7439b281a /src/shader_recompiler/backend/glasm/reg_alloc.h | |
parent | vk_scheduler: Use locks instead of SPSC a queue (diff) | |
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Diffstat (limited to 'src/shader_recompiler/backend/glasm/reg_alloc.h')
-rw-r--r-- | src/shader_recompiler/backend/glasm/reg_alloc.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/shader_recompiler/backend/glasm/reg_alloc.h b/src/shader_recompiler/backend/glasm/reg_alloc.h index 46018b0c2..83d728d20 100644 --- a/src/shader_recompiler/backend/glasm/reg_alloc.h +++ b/src/shader_recompiler/backend/glasm/reg_alloc.h @@ -15,27 +15,35 @@ class Value; namespace Shader::Backend::GLASM { +class EmitContext; + struct Id { - u32 base_element : 2; - u32 num_elements_minus_one : 2; - u32 index : 26; + u32 index : 30; 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); + RegAlloc(EmitContext& ctx_) : ctx{ctx_} {} + + std::string Define(IR::Inst& inst); std::string Consume(const IR::Value& value); + [[nodiscard]] size_t NumUsedRegisters() const noexcept { + return num_used_registers; + } + private: static constexpr size_t NUM_REGS = 4096; static constexpr size_t NUM_ELEMENTS = 4; + EmitContext& ctx; + std::string Consume(IR::Inst& inst); - Id Alloc(u32 num_elements, u32 alignment); + Id Alloc(); void Free(Id id); |