From 980cafdc27444484a2a2794be5de92ea18de6e27 Mon Sep 17 00:00:00 2001 From: ameerj <52414509+ameerj@users.noreply.github.com> Date: Wed, 3 Mar 2021 00:41:05 -0500 Subject: shader: Implement LOP and LOP3 --- .../maxwell/translate/impl/logic_operation.cpp | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp') diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp new file mode 100644 index 000000000..e786a388e --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp @@ -0,0 +1,77 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/common_funcs.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +enum class LogicalOp : u64 { + AND, + OR, + XOR, + PASS_B, +}; + +[[nodiscard]] IR::U32 LogicalOperation(IR::IREmitter& ir, const IR::U32& operand_1, + const IR::U32& operand_2, LogicalOp op) { + switch (op) { + case LogicalOp::AND: + return ir.BitwiseAnd(operand_1, operand_2); + case LogicalOp::OR: + return ir.BitwiseOr(operand_1, operand_2); + case LogicalOp::XOR: + return ir.BitwiseXor(operand_1, operand_2); + case LogicalOp::PASS_B: + return operand_2; + default: + throw NotImplementedException("Invalid Logical operation {}", op); + } +} + +void LOP(TranslatorVisitor& v, u64 insn, IR::U32 op_b) { + union { + u64 insn; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_reg; + BitField<39, 1, u64> neg_a; + BitField<40, 1, u64> neg_b; + BitField<41, 2, LogicalOp> bit_op; + BitField<43, 1, u64> x; + BitField<44, 2, PredicateOp> pred_op; + BitField<48, 3, IR::Pred> pred; + } const lop{insn}; + + if (lop.x != 0) { + throw NotImplementedException("LOP X"); + } + IR::U32 op_a{v.X(lop.src_reg)}; + if (lop.neg_a != 0) { + op_a = v.ir.BitwiseNot(op_a); + } + if (lop.neg_b != 0) { + op_b = v.ir.BitwiseNot(op_b); + } + + const IR::U32 result{LogicalOperation(v.ir, op_a, op_b, lop.bit_op)}; + const IR::U1 pred_result{PredicateOperation(v.ir, result, lop.pred_op)}; + v.X(lop.dest_reg, result); + v.ir.SetPred(lop.pred, pred_result); +} +} // Anonymous namespace + +void TranslatorVisitor::LOP_reg(u64 insn) { + LOP(*this, insn, GetReg20(insn)); +} + +void TranslatorVisitor::LOP_cbuf(u64 insn) { + LOP(*this, insn, GetCbuf(insn)); +} + +void TranslatorVisitor::LOP_imm(u64 insn) { + LOP(*this, insn, GetImm20(insn)); +} +} // namespace Shader::Maxwell -- cgit v1.2.3 From eeb1efa2d2947faed55340e8aec3a0187a3729a1 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Fri, 19 Mar 2021 20:28:26 -0300 Subject: shader: Implement LOP32I --- .../maxwell/translate/impl/logic_operation.cpp | 59 +++++++++++++++++----- 1 file changed, 45 insertions(+), 14 deletions(-) (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp') diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp index e786a388e..89e5cd6de 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp @@ -32,34 +32,51 @@ enum class LogicalOp : u64 { } } -void LOP(TranslatorVisitor& v, u64 insn, IR::U32 op_b) { +void LOP(TranslatorVisitor& v, u64 insn, IR::U32 op_b, bool x, bool cc, bool inv_a, bool inv_b, + LogicalOp bit_op, std::optional pred_op = std::nullopt, + IR::Pred dest_pred = IR::Pred::PT) { union { u64 insn; BitField<0, 8, IR::Reg> dest_reg; BitField<8, 8, IR::Reg> src_reg; - BitField<39, 1, u64> neg_a; - BitField<40, 1, u64> neg_b; - BitField<41, 2, LogicalOp> bit_op; - BitField<43, 1, u64> x; - BitField<44, 2, PredicateOp> pred_op; - BitField<48, 3, IR::Pred> pred; } const lop{insn}; - if (lop.x != 0) { - throw NotImplementedException("LOP X"); + if (x) { + throw NotImplementedException("X"); + } + if (cc) { + throw NotImplementedException("CC"); } IR::U32 op_a{v.X(lop.src_reg)}; - if (lop.neg_a != 0) { + if (inv_a != 0) { op_a = v.ir.BitwiseNot(op_a); } - if (lop.neg_b != 0) { + if (inv_b != 0) { op_b = v.ir.BitwiseNot(op_b); } - const IR::U32 result{LogicalOperation(v.ir, op_a, op_b, lop.bit_op)}; - const IR::U1 pred_result{PredicateOperation(v.ir, result, lop.pred_op)}; + const IR::U32 result{LogicalOperation(v.ir, op_a, op_b, bit_op)}; + if (pred_op) { + const IR::U1 pred_result{PredicateOperation(v.ir, result, *pred_op)}; + v.ir.SetPred(dest_pred, pred_result); + } v.X(lop.dest_reg, result); - v.ir.SetPred(lop.pred, pred_result); +} + +void LOP(TranslatorVisitor& v, u64 insn, const IR::U32& op_b) { + union { + u64 insn; + BitField<39, 1, u64> inv_a; + BitField<40, 1, u64> inv_b; + BitField<41, 2, LogicalOp> bit_op; + BitField<43, 1, u64> x; + BitField<44, 2, PredicateOp> pred_op; + BitField<47, 1, u64> cc; + BitField<48, 3, IR::Pred> dest_pred; + } const lop{insn}; + + LOP(v, insn, op_b, lop.x != 0, lop.cc != 0, lop.inv_a != 0, lop.inv_b != 0, lop.bit_op, + lop.pred_op, lop.dest_pred); } } // Anonymous namespace @@ -74,4 +91,18 @@ void TranslatorVisitor::LOP_cbuf(u64 insn) { void TranslatorVisitor::LOP_imm(u64 insn) { LOP(*this, insn, GetImm20(insn)); } + +void TranslatorVisitor::LOP32I(u64 insn) { + union { + u64 raw; + BitField<53, 2, LogicalOp> bit_op; + BitField<57, 1, u64> x; + BitField<52, 1, u64> cc; + BitField<55, 1, u64> inv_a; + BitField<56, 1, u64> inv_b; + } const lop32i{insn}; + + LOP(*this, insn, GetImm32(insn), lop32i.x != 0, lop32i.cc != 0, lop32i.inv_a != 0, + lop32i.inv_b != 0, lop32i.bit_op); +} } // namespace Shader::Maxwell -- cgit v1.2.3 From 2ed80f6b1e85823d7a13dfbb119545a0a0ec7427 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Sun, 11 Apr 2021 19:16:47 -0300 Subject: shader: Implement LOP CC --- .../frontend/maxwell/translate/impl/logic_operation.cpp | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp') diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp index 89e5cd6de..92cd27ed4 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/logic_operation.cpp @@ -44,9 +44,6 @@ void LOP(TranslatorVisitor& v, u64 insn, IR::U32 op_b, bool x, bool cc, bool inv if (x) { throw NotImplementedException("X"); } - if (cc) { - throw NotImplementedException("CC"); - } IR::U32 op_a{v.X(lop.src_reg)}; if (inv_a != 0) { op_a = v.ir.BitwiseNot(op_a); @@ -60,6 +57,17 @@ void LOP(TranslatorVisitor& v, u64 insn, IR::U32 op_b, bool x, bool cc, bool inv const IR::U1 pred_result{PredicateOperation(v.ir, result, *pred_op)}; v.ir.SetPred(dest_pred, pred_result); } + if (cc) { + if (bit_op == LogicalOp::PASS_B) { + v.SetZFlag(v.ir.IEqual(result, v.ir.Imm32(0))); + v.SetSFlag(v.ir.ILessThan(result, v.ir.Imm32(0), true)); + } else { + v.SetZFlag(v.ir.GetZeroFromOp(result)); + v.SetSFlag(v.ir.GetSignFromOp(result)); + } + v.ResetCFlag(); + v.ResetOFlag(); + } v.X(lop.dest_reg, result); } -- cgit v1.2.3