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[backend]微优化与可读性维护不影响原逻辑和分数

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CGH0S7
2025-07-31 11:23:17 +08:00
parent b3cf3cba29
commit 807fb3f560
3 changed files with 49 additions and 55 deletions
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53
src/backend/RISCv64/RISCv64Backend.cpp
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@@ -12,6 +12,24 @@ std::string RISCv64CodeGen::code_gen() {
return module_gen();
}
void printInitializer(std::stringstream& ss, const ValueCounter& init_values) {
for (size_t i = 0; i < init_values.getValues().size(); ++i) {
auto val = init_values.getValues()[i];
auto count = init_values.getNumbers()[i];
if (auto constant = dynamic_cast<ConstantValue*>(val)) {
for (unsigned j = 0; j < count; ++j) {
if (constant->isInt()) {
ss << " .word " << constant->getInt() << "\n";
} else {
float f = constant->getFloat();
uint32_t float_bits = *(uint32_t*)&f;
ss << " .word " << float_bits << "\n";
}
}
}
}
}
std::string RISCv64CodeGen::module_gen() {
std::stringstream ss;
@@ -65,22 +83,7 @@ std::string RISCv64CodeGen::module_gen() {
for (GlobalValue* global : data_globals) {
ss << ".globl " << global->getName() << "\n";
ss << global->getName() << ":\n";
const auto& init_values = global->getInitValues();
for (size_t i = 0; i < init_values.getValues().size(); ++i) {
auto val = init_values.getValues()[i];
auto count = init_values.getNumbers()[i];
if (auto constant = dynamic_cast<ConstantValue*>(val)) {
for (unsigned j = 0; j < count; ++j) {
if (constant->isInt()) {
ss << " .word " << constant->getInt() << "\n";
} else {
float f = constant->getFloat();
uint32_t float_bits = *(uint32_t*)&f;
ss << " .word " << float_bits << "\n";
}
}
}
}
printInitializer(ss, global->getInitValues());
}
// b. [新增] 再处理全局常量 (ConstantVariable)
@@ -88,23 +91,7 @@ std::string RISCv64CodeGen::module_gen() {
ConstantVariable* cnst = const_ptr.get();
ss << ".globl " << cnst->getName() << "\n";
ss << cnst->getName() << ":\n";
const auto& init_values = cnst->getInitValues();
// 这部分逻辑和处理 GlobalValue 完全相同
for (size_t i = 0; i < init_values.getValues().size(); ++i) {
auto val = init_values.getValues()[i];
auto count = init_values.getNumbers()[i];
if (auto constant = dynamic_cast<ConstantValue*>(val)) {
for (unsigned j = 0; j < count; ++j) {
if (constant->isInt()) {
ss << " .word " << constant->getInt() << "\n";
} else {
float f = constant->getFloat();
uint32_t float_bits = *(uint32_t*)&f;
ss << " .word " << float_bits << "\n";
}
}
}
}
printInitializer(ss, cnst->getInitValues());
}
}