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Revert "Start of Integer flags implementation"

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This reverts #4713. The implementation in that PR is not accurate.
It does not reflect the behavior seen in hardware.
This commit is contained in:
ReinUsesLisp 2021-01-25 02:48:03 -03:00
parent 45e117b043
commit 34c3ec2f8c
3 changed files with 3 additions and 59 deletions
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8
src/video_core/shader/node.h
View file

@ -465,14 +465,6 @@ public:
return operands.size();
}
NodeBlock& GetOperands() {
return operands;
}
const NodeBlock& GetOperands() const {
return operands;
}
[[nodiscard]] const Node& operator[](std::size_t operand_index) const {
return operands.at(operand_index);
}

51
src/video_core/shader/shader_ir.cpp
View file

@ -388,54 +388,9 @@ void ShaderIR::SetInternalFlagsFromInteger(NodeBlock& bb, Node value, bool sets_
if (!sets_cc) {
return;
}
switch (value->index()) {
case 0: // Operation Node
SearchOperands(bb, value);
break;
case 2: // General Purpose Node
if (const auto* gpr = std::get_if<GprNode>(value.get())) {
LOG_DEBUG(HW_GPU, "GprNode: index={}", gpr->GetIndex());
Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value),
Immediate(gpr->GetIndex()));
SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
}
break;
default:
Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value), Immediate(0));
SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
LOG_WARNING(HW_GPU, "Node Type: {}", value->index());
break;
}
}
void ShaderIR::SearchOperands(NodeBlock& nb, Node var) {
const auto* op = std::get_if<OperationNode>(var.get());
if (op == nullptr) {
return;
}
if (op->GetOperandsCount() == 0) {
return;
}
for (auto& operand : op->GetOperands()) {
switch (operand->index()) {
case 0: // Operation Node
return SearchOperands(nb, operand);
case 2: // General Purpose Node
if (const auto* gpr = std::get_if<GprNode>(operand.get())) {
LOG_DEBUG(HW_GPU, "Child GprNode: index={}", gpr->GetIndex());
Node zerop = Operation(OperationCode::LogicalIEqual, std::move(operand),
Immediate(gpr->GetIndex()));
SetInternalFlag(nb, InternalFlag::Zero, std::move(zerop));
}
break;
default:
LOG_WARNING(HW_GPU, "Child Node Type: {}", operand->index());
break;
}
}
Node zerop = Operation(OperationCode::LogicalIEqual, std::move(value), Immediate(0));
SetInternalFlag(bb, InternalFlag::Zero, std::move(zerop));
LOG_WARNING(HW_GPU, "Condition codes implementation is incomplete");
}
Node ShaderIR::BitfieldExtract(Node value, u32 offset, u32 bits) {

3
src/video_core/shader/shader_ir.h
View file

@ -346,9 +346,6 @@ private:
/// Access a bindless image sampler.
ImageEntry& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type);
/// Recursive Iteration over the OperationNode operands, searching for GprNodes.
void SearchOperands(NodeBlock& nb, Node var);
/// Extracts a sequence of bits from a node
Node BitfieldExtract(Node value, u32 offset, u32 bits);