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ass5_15CS30043_target_translator.cxx
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ass5_15CS30043_target_translator.cxx
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#include "ass5_15CS30043_translator.cxx"
#include <sstream>
#include <bits/stdc++.h>
map<int,string> labels;
int funcno = 0;
int paramno = 0;
int labelnum = 0;
vector<string> params;
int paramindex=0;
void makeLabels(quadArray* quads)
{
int size = quads->quadarray.size();
for(int i=0;i<size;i++)
{
if( quads->quadarray[i].op == "if<"
|| quads->quadarray[i].op == "if>"
|| quads->quadarray[i].op == "if<="
|| quads->quadarray[i].op == "if>="
|| quads->quadarray[i].op == "if=="
|| quads->quadarray[i].op == "if!="
|| quads->quadarray[i].op == "if"
|| quads->quadarray[i].op == "goto"
)
{
stringstream ss(quads->quadarray[i].res);
int x;
ss >> x;
ostringstream s1;
s1 << labelnum;
labels[x] = ".L" + s1.str();
labelnum++;
}
}
}
void staticdata(ofstream &foutasm)
{
foutasm << "\t.section\t.rodata\n";
for (std::map<string,int>::iterator it=strings.begin(); it!=strings.end(); ++it)
foutasm << stringkeys[it->second] <<":\n\t.string\t" << it->first << '\n';
doubleVal d;
d.db = 1;
foutasm << ".one:\n\t.long\t" << d.db_arr[0] << "\n\t.long\t" << d.db_arr[1] << endl;
}
void localfloats(symboltable* curr,ofstream &foutasm)
{
foutasm << "\t.section\t.rodata\n";
int size = curr->symentries.size();
for(int i=0;i<size;i++)
{
if(curr->symentries[i]->t.actype == t_double && curr->symentries[i]->isConst == true )
{
foutasm << curr->symentries[i]->name <<":\n\t.long\t" << curr->symentries[i]->init.dbVal.db_arr[0] << "\n\t.long\t" << curr->symentries[i]->init.dbVal.db_arr[1] << endl;
}
}
}
void prologue(symboltable* curr,ofstream &foutasm)
{
foutasm << "\t.text\n";
foutasm << "\t.globl\t" << curr->name << endl;
foutasm << "\t.type\t" << curr->name << ", @function" << endl;
foutasm << curr->name << ":\n";
foutasm << "\tpushq %rbp\n";
foutasm << "\tmovq %rsp, %rbp\n";
ostringstream s1;
s1 << curr->offset;
foutasm << "\tsubq $"<< s1.str() <<", %rsp\n";
}
void epilogue(symboltable* curr,ofstream &foutasm)
{
//foutasm << ".ret_" << curr->name <<":" <<endl;
ostringstream s1;
s1 << curr->offset;
foutasm << "\tleave\n\tret\n";
//foutasm << "LFE" << funcno << ":\n";
//foutasm << "\t.size\t" << curr->name << ", -" << curr->name << "\n";
}
void initializematrix(symboltable* curr,ofstream &foutasm)
{
int size = curr->symentries.size();
for(int i=1;i<size;i++)
{
if(curr->symentries[i]->t.actype == t_mat)
{
int r = curr->symentries[i]->t.rows;
int c = curr->symentries[i]->t.cols;
foutasm << "\tmovl $" << r << ", " << curr->symentries[i]->offset << "(%rbp)\n";
foutasm << "\tmovl $" << c << ", " << curr->symentries[i]->offset+4 << "(%rbp)\n";
}
}
}
void updatesymboltableoffset(ofstream &foutasm)
{
symboltable* curr;
for(int i = 0; i<(int)globalsymboltable->symentries.size();i++)
{
int paramoffset = +16;
int localoffset = 0;
if(globalsymboltable->symentries[i]->nested_table!=NULL)
{
curr = globalsymboltable->symentries[i]->nested_table;
for(int j = 1; j<(int)curr->symentries.size();j++)
{
if(curr->symentries[j]->isParam == true)
{
if(curr->symentries[j]->t.actype == t_char)
{
curr->symentries[j]->size = 8;
curr->offset += 7;
}
if(curr->symentries[j]->t.actype == t_integer /*|| curr->symentries[j]->t.actype == t_pointer*/)
{
curr->symentries[j]->size = 8;
curr->offset += 4;
}
curr->symentries[j]->offset= paramoffset;
paramoffset += curr->symentries[j]->size;
}
else
{
/*if(curr->symentries[j]->t.actype == t_char)
{
curr->symentries[j]->size = 4;
curr->offset += 3;
}*/
localoffset -= curr->symentries[j]->size;
curr->symentries[j]->offset = localoffset;
}
}
curr->offset -= (paramoffset-16);
} //foutasm << curr->offset << endl;
}
}
void printassembly(vector<quadentry> quadarray, ofstream &foutasm)
{
makeLabels(quads);
staticdata(foutasm);
symboltable* curr = globalsymboltable;
int size = quadarray.size();
for(int i=0;i<size;i++)
{
if(labels.find(i)!=labels.end())
foutasm << labels[i] << ":\n";
if(quadarray[i].op == "f()")
{
if(quadarray[i].res != "printInt" && quadarray[i].res != "printFlt" && quadarray[i].res != "printStr" && quadarray[i].res != "readInt" && quadarray[i].res != "readFlt")
{
curr = globalsymboltable->lookup(quadarray[i].res)->nested_table;
localfloats(curr,foutasm);
prologue(curr,foutasm);
initializematrix(curr,foutasm);
}
}
else if(quadarray[i].op == "copy")
{
if((curr->lookup(quadarray[i].res))->isConst == true)
{
if((curr->lookup(quadarray[i].res))->t.actype == t_double)
{
foutasm << "\tmovsd " << quadarray[i].res << ", " << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_integer)
foutasm << "\tmovl $" << quadarray[i].arg1 << ", " << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
else
foutasm << "\tmovb $" << (int)quadarray[i].arg1[0] << ", " << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
else
{
if(curr->lookup(quadarray[i].res)->t.actype != t_mat)
{
if((curr->lookup(quadarray[i].res))->t.actype == t_char)
{
foutasm << "\tmovzbq " << (curr->lookup(quadarray[i].arg1))->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovb " << "%al," << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_double)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg1))->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_integer)
{
foutasm << "\tmovl " << (curr->lookup(quadarray[i].arg1))->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << "%eax," << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_pointer)
{
foutasm << "\tmovq " << (curr->lookup(quadarray[i].arg1))->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovq " << "%rax," << (curr->lookup(quadarray[i].res))->offset << "(%rbp)\n";
}
}
else
{
symentry* res_mat = curr->lookup(quadarray[i].res);
symentry* arg_mat = curr->lookup(quadarray[i].arg1);
int size = res_mat->t.rows * res_mat->t.cols;
int t =0;
for(int k=0;k<size;k++)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg1))->offset+8+t << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << (curr->lookup(quadarray[i].res))->offset+8+t << "(%rbp)\n";
t+=8;
}
}
}
}
else if(quadarray[i].op == "ret")
{
if(quadarray[i].res=="")
epilogue(curr,foutasm);
else
{
if(curr->symentries[0]->t.actype == t_double)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%xmm0\n";
}
else if(curr->symentries[0]->t.actype == t_char)
{
foutasm << "\tmovzbq " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%rax\n";
}
else if(curr->symentries[0]->t.actype == t_mat )
{
foutasm << "\tleaq " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%rax\n";
}
else if(curr->symentries[0]->t.actype == t_integer)
{
foutasm << "\tmovl " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%eax\n";
}
else if(curr->symentries[0]->t.actype == t_pointer)
{
foutasm << "\tmovq " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%rax\n";
}
epilogue(curr,foutasm);
}
}
else if(quadarray[i].op == "*")
{
if(curr->isPresent(quadarray[i].arg2))
{ symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(res->t.actype == t_double)
{
foutasm << "\txorpd " << "%xmm0" << ", %xmm0\n";
foutasm << "\txorpd " << "%xmm1" << ", %xmm1\n";
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tmulsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
foutasm << "\txorpd " << "%xmm0" << ", %xmm0\n";
foutasm << "\txorpd " << "%xmm1" << ", %xmm1\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rdx\n";
foutasm << "\timulq " << "%rdx" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_mat)
{
/*ostringstream s;
s << labelnum;
string tag1 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag2 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag3 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag4 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag4 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag4 = ".LoopL" + s.str();
labelnum++;
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg1);
foutasm << "\txorq " << "%r8, %r8\n"; //m
foutasm << "\txorq " << "%r9, %r9\n"; //n
foutasm << "\txorq " << "%r10, %r10\n"; //p
foutasm << "\txorq " << "%r11, %r11\n"; //i
foutasm << "\txorq " << "%r12, %r12\n"; //j
foutasm << "\txorq " << "%r13, %r13\n"; //k
foutasm << "\txorq " << "%r14, %r14\n"; //address i
foutasm << "\txorq " << "%r15, %r15\n"; //address j
foutasm << "\tmovl " << arg1->offset << "(%rbp), %r8d\n";
foutasm << "\tmovl " << arg1->offset+4 << "(%rbp), %r10d\n";
foutasm << "\tmovl " << arg2->offset+4 << "(%rbp), %r9d\n";
foutasm << "\tmovl " << "$0, " << "%r11d\n";
foutasm << "\tmovl " << "$0, " << "%r12d\n";
foutasm << "\tmovl " << "$0, " << "%r13d\n";
foutasm << "\tjmp " << tag1 << endl;
foutasm << tag1 << ":"<< endl;
foutasm << "\tcmpl " << "%r8d" << ", " << "%r11d\n";
foutasm << "\tjge " << tag6 << "\n";
foutasm << "\tmovl " << "$0, " << "%r12d\n";
foutasm << "\tjmp " << tag2 << "\n";
foutasm << tag2 << ":"<< endl;
foutasm << "\tcmpl " << "%r9d" << ", " << "%r12d\n";
foutasm << "\tjge " << tag5 << "\n";
foutasm << "\tmovl " << "$0, " << "%r13d\n";
foutasm << "\txorpd " << "%xmm2, " << "%xmm2\n";
foutasm << "\tjmp " << tag3 << "\n";
foutasm << tag3 << ":"<< endl;
foutasm << "\tcmpl " << "%r10d" << ", " << "%r13d\n";
foutasm << "\tjge " << tag4 << "\n";
foutasm << "\tmovl " << "%r11d, " << "%r14d\n";
foutasm << "\timull " << "%r8d, " << "%r14d\n";
foutasm << "\taddl " << "%r13d, " << "%r14d\n";
foutasm << "\timull " << "$8, " << "%r14d\n";
foutasm << "\tmovl " << "%r13d, " << "%r15d\n";
foutasm << "\timull " << "%r10d, " << "%r15d\n";
foutasm << "\taddl " << "%r12d, " << "%r15d\n";
foutasm << "\timull " << "$8, " << "%r15d\n";
foutasm << "\tmovq " << arg1->offset+8 <<"(%rbp,%r14,1), " << "%xmm0\n";
foutasm << "\tmovq " << arg2->offset+8 <<"(%rbp,%r15,1), " << "%xmm1\n";
foutasm << "\tmulsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\taddsd " << "%xmm0, "<< " %xmm2\n";
foutasm << "\taddl " << "$1, " << "%r13d\n";
foutasm << "\tjmp " << tag2 << "\n";
foutasm << tag4 << ":"<< endl;
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
foutasm << "\taddl " << "$1, " << "%r10d\n";
foutasm << "\tjmp " << tag1 << "\n";
foutasm << tag4 << ":"<< endl;*/
}
else
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%edx\n";
foutasm << "\timull " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
}
else //only for t*8
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << "$8 ," << "%edx\n";
foutasm << "\timull " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
}
else if(quadarray[i].op == "+")
{
if(curr->isPresent(quadarray[i].arg2))
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(res->t.actype == t_pointer && arg2->t.actype == t_integer)
{
foutasm << "\tmovq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\txorq " << "%rdx" << ", %rdx\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%edx\n";
foutasm << "\taddq " << "%rdx" << ", %rax\n";
foutasm << "\tmovq " << "%rax," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\taddsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rdx\n";
foutasm << "\taddq " << "%rdx" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_mat)
{
int size = res->t.rows * res->t.cols;
int t =0;
for(int k=0;k<size;k++)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg1))->offset+8+t << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg2))->offset+8+t << "(%rbp) ," << "%xmm1\n";
foutasm << "\taddsd " << "%xmm1," << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << (curr->lookup(quadarray[i].res))->offset+8+t << "(%rbp)\n";
t+=8;
}
}
else if(res->t.actype == t_integer)
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%edx\n";
foutasm << "\taddl " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_pointer)
{
foutasm << "\tmovq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovq " << arg2->offset << "(%rbp) ," << "%rdx\n";
foutasm << "\taddq " << "%rdx" << ", %rax\n";
foutasm << "\tmovq " << "%rax," << res->offset << "(%rbp)\n";
}
}
else
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << ".one ," << "%xmm1\n";
foutasm << "\taddsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\taddq " << "$1" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_integer)
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << "$"<< quadarray[i].arg2<<", " << "%edx\n";
foutasm << "\taddl " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_pointer) //Assume not supported
{
foutasm << "\tmovq " << arg1->offset << "(%rbp) ," << "%rax\n";
int size = (res->t.pointerto)->size;
foutasm << "\tmovq $" << size << " ," << "%rdx\n";
foutasm << "\taddq " << "%rdx" << ", %rax\n";
foutasm << "\tmovq " << "%rax," << res->offset << "(%rbp)\n";
}
}
}
else if(quadarray[i].op == "=[]")
{
//foutasm << quadarray[i].res << " = " << quadarray[i].arg1 << "[" << quadarray[i].arg2 << "]";
if(curr->isPresent(quadarray[i].arg2))
{ symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovsd " << arg1->offset << "(%rbp,%rax,1) ," << "%xmm0\n";;
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
stringstream ss(quadarray[i].arg2);
int k;
ss >> k;
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\tmovl " << "$" << k << ", " << "%eax\n";
foutasm << "\tmovl " << arg1->offset << "(%rbp,%rax,1) ," << "%edx\n";;
foutasm << "\tmovl " << "%edx," << res->offset << "(%rbp)\n";
}
}
else if(quadarray[i].op == "[]=")
{
if(curr->isPresent(quadarray[i].arg2))
{ symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";;
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp,%rax,1)\n";
}
else
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
stringstream ss(quadarray[i].arg2);
int k;
ss >> k;
k = k*8+8;
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\tmovl $" << k << ", " << "%eax\n";
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";;
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp,%rax,1)\n";
}
}
else if(quadarray[i].op == "-")
{
if(quadarray[i].arg2!="1")
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tsubsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rdx\n";
foutasm << "\tsubq " << "%rdx" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_mat)
{
int size = res->t.rows * res->t.cols;
int t =0;
for(int k=0;k<size;k++)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg1))->offset+8+t << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg2))->offset+8+t << "(%rbp) ," << "%xmm1\n";
foutasm << "\tsubsd " << "%xmm1," << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << (curr->lookup(quadarray[i].res))->offset+8+t << "(%rbp)\n";
t+=8;
}
}
else
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%edx\n";
foutasm << "\tsubl " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
}
else
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << ".one ," << "%xmm1\n";
foutasm << "\tsubsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tsubq " << "$1" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_integer)
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << "$1, " << "%edx\n";
foutasm << "\tsubl " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_pointer) //Assume not supported
{
foutasm << "\tmovq " << arg1->offset << "(%rbp) ," << "%rax\n";
int size = (res->t.pointerto)->size;
foutasm << "\tmovq $" << size << " ," << "%rdx\n";
foutasm << "\tsubq " << "%rdx" << ", %rax\n";
foutasm << "\tmovq " << "%rax," << res->offset << "(%rbp)\n";
}
}
}
else if(quadarray[i].op == "-u")
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << "$0 ," << "%xmm1\n";
foutasm << "\tsubsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << "$0 ," << "%rdx\n";
foutasm << "\tsubq " << "%rdx" << ", %rax\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_mat)
{
int size = res->t.rows * res->t.cols;
int t =0;
for(int k=0;k<size;k++)
{
foutasm << "\tmovsd " << (curr->lookup(quadarray[i].arg1))->offset+8+t << "(%rbp) ," << "%xmm0\n";
foutasm << "\txorpd " << "%xmm1, " << "%xmm1\n";
foutasm << "\tsubsd " << "%xmm0, " << "%xmm1\n";
foutasm << "\tmovsd " << "%xmm1, " << (curr->lookup(quadarray[i].res))->offset+8+t << "(%rbp)\n";
t+=8;
}
}
else
{
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << "$0 ," << "%edx\n";
foutasm << "\tsubl " << "%edx" << ", %eax\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
}
else if(quadarray[i].op == ".'")
{
ostringstream s;
s << labelnum;
string tag1 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag2 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag3 = ".LoopL" + s.str();
labelnum++;
s << labelnum;
string tag4 = ".LoopL" + s.str();
labelnum++;
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
foutasm << "\txorq " << "%r8, %r8\n"; //m
foutasm << "\txorq " << "%r9, %r9\n"; //n
foutasm << "\txorq " << "%r10, %r10\n"; //i
foutasm << "\txorq " << "%r11, %r11\n"; //j
foutasm << "\txorq " << "%r12, %r12\n"; //address i
foutasm << "\txorq " << "%r13, %r13\n"; //address j
foutasm << "\tmovl " << arg1->offset << "(%rbp), %r8d\n";
foutasm << "\tmovl " << arg1->offset+4 << "(%rbp), %r9d\n";
foutasm << "\tmovl " << "$0, " << "%r10d\n";
foutasm << "\tmovl " << "$0, " << "%r11d\n";
foutasm << "\tjmp " << tag1 << endl;
foutasm << tag1 << ":"<< endl;
foutasm << "\tcmpl " << "%r8d" << ", " << "%r10d\n";
foutasm << "\tjge " << tag4 << "\n";
foutasm << "\tmovl " << "$0, " << "%r11d\n";
foutasm << "\tjmp " << tag2 << "\n";
foutasm << tag2 << ":"<< endl;
foutasm << "\tcmpl " << "%r9d" << ", " << "%r11d\n";
foutasm << "\tjge " << tag3 << "\n";
foutasm << "\tmovl " << "%r11d, " << "%r12d\n";
foutasm << "\timull " << "%r8d, " << "%r12d\n";
foutasm << "\taddl " << "%r10d, " << "%r12d\n";
foutasm << "\timull " << "$8, " << "%r12d\n";
foutasm << "\tmovl " << "%r10d, " << "%r13d\n";
foutasm << "\timull " << "%r9d, " << "%r13d\n";
foutasm << "\taddl " << "%r11d, " << "%r13d\n";
foutasm << "\timull " << "$8, " << "%r13d\n";
foutasm << "\tmovq " << arg1->offset+8 <<"(%rbp,%r13,1), " << "%xmm0\n";
foutasm << "\tmovq " << "%xmm0, "<< res->offset+8 <<"(%rbp,%r12,1)" << "\n";
foutasm << "\taddl " << "$1, " << "%r11d\n";
foutasm << "\tjmp " << tag2 << "\n";
foutasm << tag3 << ":"<< endl;
foutasm << "\taddl " << "$1, " << "%r10d\n";
foutasm << "\tjmp " << tag1 << "\n";
foutasm << tag4 << ":"<< endl;
}
else if(quadarray[i].op == "/")
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tdivsd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tmovsd " << "%xmm0," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rcx\n";
foutasm << "\tcltq\n";
foutasm << "\tidivq " << "%rcx\n";
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else
{
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\txorq " << "%rcx ," << "%rcx\n";
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%ecx\n";
foutasm << "\tcltd\n";
foutasm << "\tidivl " << "%ecx\n";
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
}
else if(quadarray[i].op == "%")
{
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(res->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg1->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rcx\n";
foutasm << "\tcltq\n";
foutasm << "\tidivq " << "%rcx\n";
foutasm << "\tmovb " << "%dl," << res->offset << "(%rbp)\n";
}
else
{
foutasm << "\txorq " << "%rax ," << "%rax\n";
foutasm << "\txorq " << "%rcx ," << "%rcx\n";
foutasm << "\tmovl " << arg1->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%ecx\n";
foutasm << "\tcltd\n";
foutasm << "\tidivl " << "%ecx\n";
foutasm << "\tmovl " << "%edx," << res->offset << "(%rbp)\n";
}
}
else if(quadarray[i].op == "param")
{
//foutasm << "param " << quadarray[i].res;
ostringstream ss;
if(curr->isPresent(quadarray[i].res))
{
if(curr->lookup(quadarray[i].res)->t.actype != t_mat)
{
paramno++;
if((curr->lookup(quadarray[i].res))->t.actype == t_char)
{
ss << "\tmovzbq " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%rax\n";
ss << "\tpushq " << "%rax\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_double)
{
ss << "\txorpd %xmm0," << "%xmm0\n";
ss << "\tmovsd " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%xmm0\n";
ss << "\tsubq $"<< 8 <<", %rsp\n";
ss << "\tmovsd " << "%xmm0, (%rsp) \n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_integer)
{
ss << "\tmovl " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%eax\n";
ss << "\tpushq " << "%rax\n";
}
else if((curr->lookup(quadarray[i].res))->t.actype == t_pointer)
{
ss << "\tmovq " << (curr->lookup(quadarray[i].res))->offset << "(%rbp) ," << "%rax\n";
ss << "\tpushq " << "%rax\n";
}
}
else
{
symentry* res_mat = curr->lookup(quadarray[i].res);
int size = res_mat->t.rows * res_mat->t.cols;
int t=size*8;
for(int k=0;k<size;k++)
{
paramno++;
ss << "\tmovsd " << res_mat->offset+t << "(%rbp) ," << "%xmm0\n";
ss << "\tsubq $"<< 8 <<", %rsp\n";
ss << "\tmovsd " << "%xmm0, (%rsp) \n";
t-=8;
}
ss << "\tsubq " << "$8, %rsp\n";
}
}
else if(quadarray[i].res[0] == '.')
{
paramno++;
ss << "\tmovq $" << quadarray[i].res << " ," << "%rax\n";
ss << "\tpushq " << "%rax\n";
}
params.push_back(ss.str());
paramindex++;
}
else if(quadarray[i].op == "=call")
{
//foutasm << quadarray[i].res << " = " <<"call " << quadarray[i].arg1 << "," << quadarray[i].arg2;
int paramsize = params.size();
for(int k=0;k<paramsize;k++)
{
string l = params.back();
params.pop_back();
foutasm << l;
paramindex = 0;
}
if(quadarray[i].arg1 == "printInt")
{
foutasm<< "\tmovl %eax, %edi\n";
}
if(quadarray[i].arg1 == "printStr")
{
foutasm<< "\tmovq %rax, %rdi\n";
}
if(quadarray[i].arg1 == "readInt" || quadarray[i].arg1 == "readFlt")
{
foutasm<< "\tmovq %rax, %rdi\n";
}
symentry* res = curr->lookup(quadarray[i].res);
symentry* arg1 = curr->lookup(quadarray[i].arg1);
//int n;
//stringstream ss(quadarray[i].arg2);
//ss >> n;
int n = paramno;
paramno = 0;
foutasm << "\tcall " << quadarray[i].arg1 << endl;
for(int k = 0;k<n;k++)
{
foutasm<< "\tpopq %rbx\n";
}
foutasm<< "\txorq %rbx, %rbx\n";
if (res->t.actype == t_void)
{
//Do nothing
}
else if(res->t.actype != t_mat)
{
if(res->t.actype == t_char)
{
foutasm << "\tmovb " << "%al," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_double)
{
foutasm << "\tmovsd " << "%xmm0, " << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_integer)
{
foutasm << "\tmovl " << "%eax," << res->offset << "(%rbp)\n";
}
else if(res->t.actype == t_pointer)
{
foutasm << "\tmovq " << "%rax," << res->offset << "(%rbp)\n";
}
}
else
{
int size = res->t.rows * res->t.cols;
int t =0;
for(int k=0;k<size;k++)
{
foutasm << "\tmovsd " << 8+t << "(%rax)," << "%xmm0\n";
foutasm << "\tmovsd " << "%xmm0, " << res->offset+8+t << "(%rbp)\n";
t+=8;
}
}
foutasm<< "\txorpd %xmm0, %xmm0\n";
foutasm<< "\txorq %rax, %rax\n";
}
else if(quadarray[i].op == "if<")
{
stringstream ss(quadarray[i].res);
int x;
ss >> x;
string label = labels[x];
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(arg1->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tucomisd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tjl " << label << "\n";
}
else if(arg1->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tcmpb " << "%al" << ", " << arg1->offset << "(%rbp)\n";
foutasm << "\tjl " << label << "\n";
}
else if(arg1->t.actype == t_integer)
{
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tcmpl " << "%eax" << ", " << arg1->offset << "(%rbp)\n";
foutasm << "\tjl " << label << "\n";
}
}
else if(quadarray[i].op == "if>")
{
stringstream ss(quadarray[i].res);
int x;
ss >> x;
string label = labels[x];
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(arg1->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tucomisd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tjg " << label << "\n";
}
else if(arg1->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tcmpb " << "%al" << ", " << arg1->offset << "(%rbp)\n";
foutasm << "\tjg " << label << "\n";
}
else if(arg1->t.actype == t_integer)
{
foutasm << "\tmovl " << arg2->offset << "(%rbp) ," << "%eax\n";
foutasm << "\tcmpl " << "%eax" << ", " << arg1->offset << "(%rbp)\n";
foutasm << "\tjg " << label << "\n";
}
}
else if(quadarray[i].op == "if<=")
{
stringstream ss(quadarray[i].res);
int x;
ss >> x;
string label = labels[x];
symentry* arg1 = curr->lookup(quadarray[i].arg1);
symentry* arg2 = curr->lookup(quadarray[i].arg2);
if(arg1->t.actype == t_double)
{
foutasm << "\tmovsd " << arg1->offset << "(%rbp) ," << "%xmm0\n";
foutasm << "\tmovsd " << arg2->offset << "(%rbp) ," << "%xmm1\n";
foutasm << "\tucomisd " << "%xmm1" << ", %xmm0\n";
foutasm << "\tjle " << label << "\n";
}
else if(arg1->t.actype == t_char)
{
foutasm << "\tmovzbq " << arg2->offset << "(%rbp) ," << "%rax\n";
foutasm << "\tcmpb " << "%al" << ", " << arg1->offset << "(%rbp)\n";
foutasm << "\tjle " << label << "\n";
}