diff options
Diffstat (limited to 'c_compiler/src/function.cpp')
| -rw-r--r-- | c_compiler/src/function.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/c_compiler/src/function.cpp b/c_compiler/src/function.cpp index c979277..55d8a2c 100644 --- a/c_compiler/src/function.cpp +++ b/c_compiler/src/function.cpp @@ -56,6 +56,11 @@ VariableStackBindings Function::printAsm(VariableStackBindings bindings, unsigne // Count the maximum number of arguments statement_->countArguments(max_argument_count); + unsigned max_depth = 0; + statement_->countExpressionDepth(max_depth); + + std::cout << "# max depth: " << max_depth << "\n"; + if(max_argument_count < 4) max_argument_count = 4; @@ -63,7 +68,7 @@ VariableStackBindings Function::printAsm(VariableStackBindings bindings, unsigne countParameters(parameter_count); // This adds 2 to store the frame pointer and the return address - unsigned memory_needed = 4*(variable_count + max_argument_count + parameter_count + 2); + unsigned memory_needed = 4*(variable_count+max_argument_count+max_depth+parameter_count+2); // make frame double word aligned if(memory_needed % 8 != 0) @@ -73,11 +78,12 @@ VariableStackBindings Function::printAsm(VariableStackBindings bindings, unsigne << memory_needed << "\n\tsw\t$31," << memory_needed-4 << "($sp)\n" << "\tsw\t$fp," << memory_needed-8 << "($sp)\n\tmove\t$fp,$sp\n"; - // TODO print asm for parameters - printParameterAsm(bindings, max_argument_count, memory_needed); // set the stack counter to the right value bindings.setStackPosition((max_argument_count+parameter_count)*4); + bindings.setExpressionStackPosition((max_argument_count+parameter_count+variable_count)*4); + + printParameterAsm(bindings, max_argument_count, memory_needed); // Prints the asm for the compound statement in the function statement_->printAsm(bindings, label_count); |