Storing a global variable

bytecode_codegen.cpp

@@ -1,33 +1,4 @@
 
-function Register_Index
-allocate_register(Bc *b){
-  if(b->free_registers.len == 0){
-    Register_Index result = b->registers.addi({});
-    return result;
-  }
-
-  Register_Index index = b->free_registers.pop();
-  b->used_registers.add(index);
-  return index;
-}
-
-function void
-release_register(Bc *b, Register_Index reg){
-  if(reg == 0) return;
-
-  B32 found = false;
-  For(b->used_registers){
-    if(it == reg){
-      b->used_registers.unordered_remove(&it);
-      found = true;
-      break;
-    }
-  }
-
-  assert_msg(found, "Trying to release register that is not used");
-}
-
-
 function Register_Index
 bc_emit_expr(Bc *b, Ast *ast){
   if(!ast) return REG_NULL;
@@ -66,11 +37,13 @@ compile_to_bc(){
       }
       CASE(VAR, Decl){
         node->bytecode_data_position = exp_alloc(&b->memory, node->type->size, AF_ZeroMemory);
-        Register_Index index = bc_emit_expr(b, node->expr);
-        if(index!=REG_NULL){
-          // bc_emit_store(b, )
+        if(node->expr){
+          Register_Index expression_index = bc_emit_expr(b, node->expr);
+          Register_Index address_index = allocate_register(b);
+          emit_load_constant_address(b, address_index, node->bytecode_data_position);
+          emit_memory(b, BC_STORE_TO_MEMORY64, address_index, expression_index);
+          release_register(b, expression_index);
         }
-        release_register(b, index);
         BREAK();
       }
       default: {}