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fix bugs

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This commit is contained in:
ZhuangYumin
2024-08-28 23:33:29 +00:00
parent 88c7ae3fab
commit bd9392ec83
4 changed files with 66 additions and 13 deletions
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39
include/naivebackend/naivebackend.h
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@ -153,14 +153,31 @@ inline void GenerateReadAccess(std::string val, size_t bytes, std::string output
} else if (val.size() > 12 && val.substr(0, 12) == "%.var.local.") {
// local variable address keeper
size_t offset = layout.QueryOffeset(val);
code_lines.push_back("addi " + output_reg + ", s0, -" + std::to_string(offset));
if (offset < 2048) {
code_lines.push_back("addi " + output_reg + ", s0, -" + std::to_string(offset));
} else {
code_lines.push_back("li " + output_reg + ", -" + std::to_string(offset));
code_lines.push_back("add " + output_reg + ", s0, " + output_reg);
}
} else if (val.size() > 10 && val.substr(0, 10) == "%.var.tmp.") {
// tmp variable, not address keeper
size_t offset = layout.QueryOffeset(val);
if (bytes == 1) {
code_lines.push_back("lb " + output_reg + ", -" + std::to_string(offset) + "(s0)");
if (offset < 2048) {
code_lines.push_back("lb " + output_reg + ", -" + std::to_string(offset) + "(s0)");
} else {
code_lines.push_back("li " + output_reg + ", -" + std::to_string(offset));
code_lines.push_back("add " + output_reg + ", s0, " + output_reg);
code_lines.push_back("lb " + output_reg + ", 0(" + output_reg + ")");
}
} else if (bytes == 4) {
code_lines.push_back("lw " + output_reg + ", -" + std::to_string(offset) + "(s0)");
if (offset < 2048) {
code_lines.push_back("lw " + output_reg + ", -" + std::to_string(offset) + "(s0)");
} else {
code_lines.push_back("li " + output_reg + ", -" + std::to_string(offset));
code_lines.push_back("add " + output_reg + ", s0, " + output_reg);
code_lines.push_back("lw " + output_reg + ", 0(" + output_reg + ")");
}
} else {
throw std::runtime_error("Unknown bytes");
}
@ -211,9 +228,21 @@ inline void GenerateWriteAccess(std::string val, size_t bytes, std::string data_
// tmp variable, not address keeper
size_t offset = layout.QueryOffeset(val);
if (bytes == 1) {
code_lines.push_back("sb " + data_reg + ", -" + std::to_string(offset) + "(s0)");
if (offset < 2048) {
code_lines.push_back("sb " + data_reg + ", -" + std::to_string(offset) + "(s0)");
} else {
code_lines.push_back("li t0, -" + std::to_string(offset));
code_lines.push_back("add t0, s0, t0");
code_lines.push_back("sb " + data_reg + ", 0(t0)");
}
} else if (bytes == 4) {
code_lines.push_back("sw " + data_reg + ", -" + std::to_string(offset) + "(s0)");
if (offset < 2048) {
code_lines.push_back("sw " + data_reg + ", -" + std::to_string(offset) + "(s0)");
} else {
code_lines.push_back("li t0, -" + std::to_string(offset));
code_lines.push_back("add t0, s0, t0");
code_lines.push_back("sw " + data_reg + ", 0(t0)");
}
} else {
throw std::runtime_error("Unknown bytes");
}