diff options
author | Roland Reichwein <mail@reichwein.it> | 2020-11-09 10:40:16 +0100 |
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committer | Roland Reichwein <mail@reichwein.it> | 2020-11-09 10:40:16 +0100 |
commit | 414953eba1b1cc3570da1e59dc2392ce1b1ae5ef (patch) | |
tree | 3b4ab9ebefd57e847b99195887d5b221be2423ae /asm/encode.cpp | |
parent | 6ab3715ee2622e293f7c4924511f31347b327e6e (diff) |
Move encode.h|cpp to intel specific
Diffstat (limited to 'asm/encode.cpp')
-rw-r--r-- | asm/encode.cpp | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/asm/encode.cpp b/asm/encode.cpp deleted file mode 100644 index 8bf33c0..0000000 --- a/asm/encode.cpp +++ /dev/null @@ -1,68 +0,0 @@ -// Intel specific conversion: Abstract Graph -> Machine specific segment -#include "encode.h" - -#include "asm/assembler.h" -#include "minicc.h" - -#include <boost/endian/conversion.hpp> - -#include <exception> - -void Asm::toMachineCode(const FlowGraph::Graph& graph, Segment& segment) -{ - segment.clear(); - - for (const std::shared_ptr<FlowGraph::Node>& node: graph) { - try { - FlowGraph::BinaryOperation& op {dynamic_cast<FlowGraph::BinaryOperation&>(*node)}; - - auto operands {op.operands()}; - // TODO: ignore destination (0) for now - - if (operands[1].type() != FlowGraph::DataType::Int) { - std::runtime_error("Bad type for operand 1: "s + std::to_string(int(operands[1].type()))); - } - - if (operands[2].type() != FlowGraph::DataType::Int) { - std::runtime_error("Bad type for operand 2: "s + std::to_string(int(operands[2].type()))); - } - - if (!operands[1].storage()) - throw std::runtime_error("ICE: Operand 1 storage is 0"); - if (!operands[2].storage()) - throw std::runtime_error("ICE: Operand 2 storage is 0"); - - uint32_t immediate1{}; - try { - FlowGraph::Constant& value1 {dynamic_cast<FlowGraph::Constant&>(*operands[1].storage())}; - if (value1.value().size() < sizeof(uint32_t)) - throw std::runtime_error("ICE: Int data from operand 1 needs at least 4 bytes, got "s + std::to_string(value1.value().size())); - - immediate1 = boost::endian::little_to_native(*(reinterpret_cast<const uint32_t*>(value1.value().data()))); - } catch (const std::bad_cast& ex) { - std::runtime_error("Bad value for operand 1: Constant expected"); - } - - uint32_t immediate2{}; - try { - FlowGraph::Constant& value2 {dynamic_cast<FlowGraph::Constant&>(*operands[2].storage())}; - if (value2.value().size() < sizeof(uint32_t)) - throw std::runtime_error("ICE: Int data from operand 2 needs at least 4 bytes, got "s + std::to_string(value2.value().size())); - - immediate2 = boost::endian::little_to_native(*(reinterpret_cast<const uint32_t*>(value2.value().data()))); - } catch (const std::bad_cast& ex) { - std::runtime_error("Bad value for operand 2: Constant expected"); - } - - Asm::Args args1{{Asm::Args::Register32("edi"), Asm::Args::Immediate32(immediate1)}}; - segment.push_back(makeOp("mov", args1)); - - Asm::Args args2{{Asm::Args::Register32("edi"), Asm::Args::Immediate32(immediate2)}}; - segment.push_back(makeOp("add", args2)); - - } catch (const std::bad_cast& ex) { - std::runtime_error("ICE: Encoding: Unsupported node: "s + ex.what()); - } - } -} - |