diff options
Diffstat (limited to 'src/shader_recompiler/frontend')
6 files changed, 129 insertions, 14 deletions
diff --git a/src/shader_recompiler/frontend/ir/value.cpp b/src/shader_recompiler/frontend/ir/value.cpp index 791ba2690..e8e4662e7 100644 --- a/src/shader_recompiler/frontend/ir/value.cpp +++ b/src/shader_recompiler/frontend/ir/value.cpp @@ -153,6 +153,14 @@ u64 Value::U64() const { return imm_u64; } +f64 Value::F64() const { + if (IsIdentity()) { + return inst->Arg(0).F64(); + } + ValidateAccess(Type::F64); + return imm_f64; +} + bool Value::operator==(const Value& other) const { if (type != other.type) { return false; diff --git a/src/shader_recompiler/frontend/ir/value.h b/src/shader_recompiler/frontend/ir/value.h index 3602883d6..b27601e70 100644 --- a/src/shader_recompiler/frontend/ir/value.h +++ b/src/shader_recompiler/frontend/ir/value.h @@ -52,6 +52,7 @@ public: [[nodiscard]] u32 U32() const; [[nodiscard]] f32 F32() const; [[nodiscard]] u64 U64() const; + [[nodiscard]] f64 F64() const; [[nodiscard]] bool operator==(const Value& other) const; [[nodiscard]] bool operator!=(const Value& other) const; diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp new file mode 100644 index 000000000..bece191d7 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp @@ -0,0 +1,67 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/common_encoding.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { + +void DADD(TranslatorVisitor& v, u64 insn, const IR::F64& src_b) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_a_reg; + BitField<39, 2, FpRounding> fp_rounding; + BitField<45, 1, u64> neg_b; + BitField<46, 1, u64> abs_a; + BitField<47, 1, u64> cc; + BitField<48, 1, u64> neg_a; + BitField<49, 1, u64> abs_b; + } const dadd{insn}; + + if (!IR::IsAligned(dadd.dest_reg, 2)) { + throw NotImplementedException("Unaligned destination register {}", dadd.dest_reg.Value()); + } + if (!IR::IsAligned(dadd.src_a_reg, 2)) { + throw NotImplementedException("Unaligned destination register {}", dadd.src_a_reg.Value()); + } + if (dadd.cc != 0) { + throw NotImplementedException("DADD CC"); + } + + const IR::Reg reg_a{dadd.src_a_reg}; + const IR::F64 src_a{v.ir.PackDouble2x32(v.ir.CompositeConstruct(v.X(reg_a), v.X(reg_a + 1)))}; + const IR::F64 op_a{v.ir.FPAbsNeg(src_a, dadd.abs_a != 0, dadd.neg_a != 0)}; + const IR::F64 op_b{v.ir.FPAbsNeg(src_b, dadd.abs_b != 0, dadd.neg_b != 0)}; + + IR::FpControl control{ + .no_contraction{true}, + .rounding{CastFpRounding(dadd.fp_rounding)}, + .fmz_mode{IR::FmzMode::None}, + }; + const IR::F64 value{v.ir.FPAdd(op_a, op_b, control)}; + const IR::Value result{v.ir.UnpackDouble2x32(value)}; + + for (int i = 0; i < 2; i++) { + v.X(dadd.dest_reg + i, IR::U32{v.ir.CompositeExtract(result, i)}); + } +} +} // Anonymous namespace + +void TranslatorVisitor::DADD_reg(u64 insn) { + DADD(*this, insn, GetDoubleReg20(insn)); +} + +void TranslatorVisitor::DADD_cbuf(u64 insn) { + DADD(*this, insn, GetDoubleCbuf(insn)); +} + +void TranslatorVisitor::DADD_imm(u64 insn) { + DADD(*this, insn, GetDoubleImm20(insn)); +} + +} // namespace Shader::Maxwell diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp index 7564aeeb2..e444dcd4f 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp @@ -7,6 +7,15 @@ #include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" namespace Shader::Maxwell { +namespace { +[[nodiscard]] IR::U32 CbufLowerBits(IR::IREmitter& ir, bool unaligned, const IR::U32& binding, + u32 offset) { + if (unaligned) { + return ir.Imm32(0); + } + return ir.GetCbuf(binding, IR::U32{IR::Value{offset}}); +} +} // Anonymous namespace IR::U32 TranslatorVisitor::X(IR::Reg reg) { return ir.GetReg(reg); @@ -56,6 +65,18 @@ IR::F32 TranslatorVisitor::GetFloatReg39(u64 insn) { return ir.BitCast<IR::F32>(GetReg39(insn)); } +IR::F64 TranslatorVisitor::GetDoubleReg20(u64 insn) { + union { + u64 raw; + BitField<20, 8, IR::Reg> src; + } const index{insn}; + const IR::Reg reg{index.src}; + if (!IR::IsAligned(reg, 2)) { + throw NotImplementedException("Unaligned source register {}", reg); + } + return ir.PackDouble2x32(ir.CompositeConstruct(X(reg), X(reg + 1))); +} + static std::pair<IR::U32, IR::U32> CbufAddr(u64 insn) { union { u64 raw; @@ -75,15 +96,31 @@ static std::pair<IR::U32, IR::U32> CbufAddr(u64 insn) { } IR::U32 TranslatorVisitor::GetCbuf(u64 insn) { - const auto[binding, byte_offset]{CbufAddr(insn)}; + const auto [binding, byte_offset]{CbufAddr(insn)}; return ir.GetCbuf(binding, byte_offset); } IR::F32 TranslatorVisitor::GetFloatCbuf(u64 insn) { - const auto[binding, byte_offset]{CbufAddr(insn)}; + const auto [binding, byte_offset]{CbufAddr(insn)}; return ir.GetFloatCbuf(binding, byte_offset); } +IR::F64 TranslatorVisitor::GetDoubleCbuf(u64 insn) { + union { + u64 raw; + BitField<20, 1, u64> unaligned; + } const cbuf{insn}; + + const auto [binding, offset_value]{CbufAddr(insn)}; + const bool unaligned{cbuf.unaligned != 0}; + const u32 offset{offset_value.U32()}; + const IR::Value addr{unaligned ? offset | 4 : (offset & ~7) | 4}; + + const IR::U32 value{ir.GetCbuf(binding, IR::U32{addr})}; + const IR::U32 lower_bits{CbufLowerBits(ir, unaligned, binding, offset)}; + return ir.PackDouble2x32(ir.CompositeConstruct(lower_bits, value)); +} + IR::U32 TranslatorVisitor::GetImm20(u64 insn) { union { u64 raw; @@ -110,6 +147,17 @@ IR::F32 TranslatorVisitor::GetFloatImm20(u64 insn) { return ir.Imm32(Common::BitCast<f32>(value | sign_bit)); } +IR::F64 TranslatorVisitor::GetDoubleImm20(u64 insn) { + union { + u64 raw; + BitField<20, 19, u64> value; + BitField<56, 1, u64> is_negative; + } const imm{insn}; + const u64 sign_bit{imm.is_negative != 0 ? (1ULL << 63) : 0}; + const u64 value{imm.value << 44}; + return ir.Imm64(Common::BitCast<f64>(value | sign_bit)); +} + IR::U32 TranslatorVisitor::GetImm32(u64 insn) { union { u64 raw; diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h index 761b64666..e3e298c3b 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h @@ -351,12 +351,15 @@ public: [[nodiscard]] IR::U32 GetReg39(u64 insn); [[nodiscard]] IR::F32 GetFloatReg20(u64 insn); [[nodiscard]] IR::F32 GetFloatReg39(u64 insn); + [[nodiscard]] IR::F64 GetDoubleReg20(u64 insn); [[nodiscard]] IR::U32 GetCbuf(u64 insn); [[nodiscard]] IR::F32 GetFloatCbuf(u64 insn); + [[nodiscard]] IR::F64 GetDoubleCbuf(u64 insn); [[nodiscard]] IR::U32 GetImm20(u64 insn); [[nodiscard]] IR::F32 GetFloatImm20(u64 insn); + [[nodiscard]] IR::F64 GetDoubleImm20(u64 insn); [[nodiscard]] IR::U32 GetImm32(u64 insn); [[nodiscard]] IR::F32 GetFloatImm32(u64 insn); diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp index 0325f14ea..9675cef54 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -85,18 +85,6 @@ void TranslatorVisitor::CS2R(u64) { ThrowNotImplemented(Opcode::CS2R); } -void TranslatorVisitor::DADD_reg(u64) { - ThrowNotImplemented(Opcode::DADD_reg); -} - -void TranslatorVisitor::DADD_cbuf(u64) { - ThrowNotImplemented(Opcode::DADD_cbuf); -} - -void TranslatorVisitor::DADD_imm(u64) { - ThrowNotImplemented(Opcode::DADD_imm); -} - void TranslatorVisitor::DEPBAR() { // DEPBAR is a no-op } |