Use custom 3-address code operands
This commit is contained in:
@@ -403,7 +403,7 @@ type
|
||||
start,
|
||||
ret
|
||||
);
|
||||
ElnaTacOperand = (register, immediate, symbol, offset, stack);
|
||||
ElnaTacOperand = (temporary, immediate, symbol, stack);
|
||||
ElnaRtlOperand = (register, immediate, symbol, offset);
|
||||
ElnaRtlRegister = (
|
||||
zero,
|
||||
@@ -854,7 +854,7 @@ begin
|
||||
elna_rtl_instruction_set_operand(next_instruction, 2, ElnaRtlOperand.offset, into, 0);
|
||||
|
||||
ElnaInstructionList_set_next(result, next_instruction)
|
||||
elsif operand_type = ElnaTacOperand.register then
|
||||
elsif operand_type = ElnaTacOperand.temporary then
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.move);
|
||||
elna_rtl_instruction_set_operand(result, 1, ElnaRtlOperand.register, into, 0);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.register, operand_value, 0)
|
||||
@@ -928,10 +928,11 @@ begin
|
||||
return lhs
|
||||
end;
|
||||
|
||||
proc elna_rtl_binary_equality(tac_instruction: Word, binary_result: Word, next_instruction: Word);
|
||||
proc elna_rtl_binary_equality(tac_instruction: Word, instruction_kind: Word, next_instruction: Word);
|
||||
var
|
||||
operands: Word;
|
||||
intermediate_instruction: Word;
|
||||
binary_result: Word;
|
||||
begin
|
||||
operands := elna_rtl_binary_operands(tac_instruction, next_instruction);
|
||||
intermediate_instruction := elna_rtl_instruction_create(ElnaRtlOperator._xor);
|
||||
@@ -942,6 +943,8 @@ begin
|
||||
ElnaInstructionList_set_next(next_instruction^, intermediate_instruction);
|
||||
next_instruction^ := intermediate_instruction;
|
||||
|
||||
binary_result := elna_rtl_instruction_create(instruction_kind);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, binary_result);
|
||||
elna_rtl_instruction_set_operand(binary_result, 2, ElnaRtlOperand.register, ElnaRtlRegister.t2, 0);
|
||||
ElnaInstructionList_set_next(next_instruction^, binary_result);
|
||||
next_instruction^ := binary_result;
|
||||
@@ -975,7 +978,6 @@ begin
|
||||
instruction_size := elna_rtl_instruction_size();
|
||||
result := malloc(instruction_size);
|
||||
instruction_kind := _elna_tac_instruction_get_kind(tac_instruction);
|
||||
memcpy(result + 4, tac_instruction + 4, instruction_size - 4);
|
||||
next_instruction^ := 0;
|
||||
|
||||
if instruction_kind = ElnaTacOperator.get_address then
|
||||
@@ -993,7 +995,7 @@ begin
|
||||
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_copy_operand(tac_instruction, 2, result)
|
||||
elsif operand_type = ElnaTacOperand.register then
|
||||
elsif operand_type = ElnaTacOperand.temporary then
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.move);
|
||||
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
@@ -1005,6 +1007,8 @@ begin
|
||||
operand_type := _elna_tac_instruction_get_operand_type(tac_instruction, 2);
|
||||
|
||||
if operand_type = ElnaTacOperand.stack then
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.load_word);
|
||||
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 1);
|
||||
next_instruction^ := elna_rtl_instruction_create(ElnaRtlOperator.load_word);
|
||||
elna_rtl_instruction_set_operand(next_instruction^, 1, ElnaRtlOperand.register, operand_value, 0);
|
||||
@@ -1013,24 +1017,37 @@ begin
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 2);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.offset, ElnaRtlRegister.sp, operand_value);
|
||||
ElnaInstructionList_set_next(result, next_instruction^)
|
||||
end;
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.load_word)
|
||||
elsif operand_type = ElnaTacOperand.temporary then
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.load_word);
|
||||
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 2);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.offset, operand_value, 0)
|
||||
end
|
||||
elsif instruction_kind = ElnaTacOperator.store_word then
|
||||
operands := elna_rtl_load_operand_value(tac_instruction, 1, ElnaRtlRegister.t0);
|
||||
next_instruction^ := result;
|
||||
next_instruction^ := elna_rtl_instruction_create(ElnaRtlOperator.store_word);
|
||||
result := operands;
|
||||
operands := ElnaInstructionList_get_next(result);
|
||||
|
||||
elna_rtl_instruction_set_kind(next_instruction^, ElnaRtlOperator.store_word);
|
||||
elna_rtl_instruction_set_operand(next_instruction^, 1, ElnaRtlOperand.register, ElnaRtlRegister.t0, 0);
|
||||
|
||||
operand_type := _elna_tac_instruction_get_operand_type(tac_instruction, 2);
|
||||
if operand_type = ElnaTacOperand.stack then
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 2);
|
||||
elna_rtl_instruction_set_operand(next_instruction^, 2, ElnaRtlOperand.offset, ElnaRtlRegister.sp, operand_value)
|
||||
elsif operand_type = ElnaTacOperand.temporary then
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 2);
|
||||
elna_rtl_instruction_set_operand(next_instruction^, 2, ElnaRtlOperand.offset, operand_value, 0)
|
||||
end;
|
||||
if operands = 0 then
|
||||
ElnaInstructionList_set_next(result, next_instruction^)
|
||||
else
|
||||
ElnaInstructionList_set_next(operands, next_instruction^)
|
||||
end
|
||||
elsif instruction_kind = ElnaTacOperator.jal then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.jal)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.jal);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result)
|
||||
elsif instruction_kind = ElnaTacOperator.sub then
|
||||
result := elna_rtl_binary_arithmetic(tac_instruction, next_instruction, ElnaRtlOperator.sub)
|
||||
elsif instruction_kind = ElnaTacOperator.mul then
|
||||
@@ -1049,6 +1066,9 @@ begin
|
||||
result := elna_rtl_binary_arithmetic(tac_instruction, next_instruction, ElnaRtlOperator.slt)
|
||||
elsif instruction_kind = ElnaTacOperator.sgt then
|
||||
operands := elna_rtl_binary_operands(tac_instruction, next_instruction);
|
||||
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.slt);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.register, ElnaRtlRegister.t3, 0);
|
||||
elna_rtl_instruction_set_operand(result, 3, ElnaRtlOperand.register, ElnaRtlRegister.t2, 0);
|
||||
|
||||
@@ -1067,6 +1087,8 @@ begin
|
||||
ElnaInstructionList_set_next(next_instruction^, intermediate_instruction);
|
||||
next_instruction^ := intermediate_instruction;
|
||||
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.xor_immediate);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.register, ElnaRtlRegister.t2, 0);
|
||||
elna_rtl_instruction_set_operand(result, 3, ElnaRtlOperand.immediate, 1, 0);
|
||||
ElnaInstructionList_set_next(next_instruction^, result);
|
||||
@@ -1084,6 +1106,8 @@ begin
|
||||
ElnaInstructionList_set_next(next_instruction^, intermediate_instruction);
|
||||
next_instruction^ := intermediate_instruction;
|
||||
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.xor_immediate);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_instruction_set_operand(result, 2, ElnaRtlOperand.register, ElnaRtlRegister.t2, 0);
|
||||
elna_rtl_instruction_set_operand(result, 3, ElnaRtlOperand.immediate, 1, 0);
|
||||
ElnaInstructionList_set_next(next_instruction^, result);
|
||||
@@ -1092,31 +1116,36 @@ begin
|
||||
result := operands;
|
||||
elna_rtl_instruction_set_kind(next_instruction^, ElnaRtlOperator.xor_immediate)
|
||||
elsif instruction_kind = ElnaTacOperator.seq then
|
||||
result := elna_rtl_binary_equality(tac_instruction, result, next_instruction);
|
||||
elna_rtl_instruction_set_kind(next_instruction^, ElnaRtlOperator.seqz)
|
||||
result := elna_rtl_binary_equality(tac_instruction, ElnaRtlOperator.seqz, next_instruction)
|
||||
elsif instruction_kind = ElnaTacOperator.sne then
|
||||
result := elna_rtl_binary_equality(tac_instruction, result, next_instruction);
|
||||
elna_rtl_instruction_set_kind(next_instruction^, ElnaRtlOperator.snez)
|
||||
result := elna_rtl_binary_equality(tac_instruction, ElnaRtlOperator.snez, next_instruction)
|
||||
elsif instruction_kind = ElnaTacOperator.neg then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.neg)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.neg);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_copy_operand(tac_instruction, 2, result)
|
||||
elsif instruction_kind = ElnaTacOperator.not then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.not)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.not);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_copy_operand(tac_instruction, 2, result)
|
||||
elsif instruction_kind = ElnaTacOperator.jump then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.jump)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.jump);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result)
|
||||
elsif instruction_kind = ElnaTacOperator.beqz then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.beqz)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.beqz);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result);
|
||||
elna_rtl_copy_operand(tac_instruction, 2, result)
|
||||
elsif instruction_kind = ElnaTacOperator.start then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.start)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.start)
|
||||
elsif instruction_kind = ElnaTacOperator.ret then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.ret)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.ret)
|
||||
elsif instruction_kind = ElnaTacOperator.label then
|
||||
elna_rtl_instruction_set_kind(result, ElnaRtlOperator.label)
|
||||
result := elna_rtl_instruction_create(ElnaRtlOperator.label);
|
||||
elna_rtl_copy_operand(tac_instruction, 1, result)
|
||||
elsif instruction_kind = ElnaTacOperator.assign then
|
||||
free(result);
|
||||
operand_type := _elna_tac_instruction_get_operand_type(tac_instruction, 1);
|
||||
operand_value := _elna_tac_instruction_get_operand_value(tac_instruction, 1);
|
||||
|
||||
if operand_type = ElnaTacOperand.register then
|
||||
if operand_type = ElnaTacOperand.temporary then
|
||||
result := elna_rtl_load_operand_value(tac_instruction, 2, operand_value);
|
||||
next_instruction^ := ElnaInstructionList_get_next(result)
|
||||
elsif operand_type = ElnaTacOperand.stack then
|
||||
@@ -1133,6 +1162,10 @@ begin
|
||||
else
|
||||
ElnaInstructionList_set_next(operands, next_instruction^)
|
||||
end
|
||||
(* Debug. Error stream output.
|
||||
_syscall(2, name_pointer, name_length, 0, 0, 0, 64);
|
||||
printf("# here\n\0");
|
||||
fflush(0); *)
|
||||
end
|
||||
end;
|
||||
if next_instruction^ = 0 then
|
||||
@@ -1153,41 +1186,6 @@ begin
|
||||
return result
|
||||
end;
|
||||
|
||||
proc _elna_tac_jump(source_symbol: Word, symbol_length: Word);
|
||||
var
|
||||
result: Word;
|
||||
begin
|
||||
result := _elna_tac_instruction_create(ElnaTacOperator.jump);
|
||||
|
||||
_elna_tac_instruction_set_operand(result, 1, ElnaTacOperand.symbol, source_symbol, symbol_length);
|
||||
|
||||
return result
|
||||
end;
|
||||
|
||||
proc _elna_tac_load_word(target: Word, register: Word, offset: Word);
|
||||
var
|
||||
result: Word;
|
||||
begin
|
||||
result := _elna_tac_instruction_create(ElnaTacOperator.load_word);
|
||||
|
||||
_elna_tac_instruction_set_operand(result, 1, ElnaTacOperand.register, target, 0);
|
||||
_elna_tac_instruction_set_operand(result, 2, ElnaTacOperand.offset, register, offset);
|
||||
|
||||
return result
|
||||
end;
|
||||
|
||||
proc _elna_tac_store_word(target: Word, register: Word, offset: Word);
|
||||
var
|
||||
result: Word;
|
||||
begin
|
||||
result := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
|
||||
_elna_tac_instruction_set_operand(result, 1, ElnaTacOperand.register, target, 0);
|
||||
_elna_tac_instruction_set_operand(result, 2, ElnaTacOperand.offset, register, offset);
|
||||
|
||||
return result
|
||||
end;
|
||||
|
||||
proc _elna_tac_label(counter: Word, length: Word);
|
||||
var
|
||||
result: Word;
|
||||
@@ -1634,17 +1632,17 @@ begin
|
||||
offset := _add_string(token_start);
|
||||
|
||||
first_instruction := _elna_tac_instruction_create(ElnaTacOperator.get_address);
|
||||
_elna_tac_instruction_set_operand(first_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(first_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(first_instruction, 2, ElnaTacOperand.symbol, "strings", 7);
|
||||
|
||||
(* Add offset to the string block pointer. *)
|
||||
next_instruction := _elna_tac_instruction_create(ElnaTacOperator.add);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 3, ElnaTacOperand.immediate, offset, 0);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
return elna_instruction_list_concatenate(first_instruction, next_instruction)
|
||||
@@ -1703,12 +1701,11 @@ begin
|
||||
return simple_expression
|
||||
end;
|
||||
|
||||
proc _elna_tac_simple_expression(parser_node: Word, symbol_table: Word, is_address: Word, operand_type: Word, operand_value: Word, operand_length: Word);
|
||||
proc _elna_tac_simple_expression(parser_node: Word, symbol_table: Word, operand_type: Word, operand_value: Word, operand_length: Word);
|
||||
var
|
||||
node_kind: Word;
|
||||
instruction: Word;
|
||||
begin
|
||||
is_address^ := 0;
|
||||
node_kind := _node_get_kind(parser_node);
|
||||
|
||||
if node_kind = NodeKind.character_literal then
|
||||
@@ -1718,8 +1715,7 @@ begin
|
||||
elsif node_kind = NodeKind.integer_literal then
|
||||
instruction := _elna_tac_integer_literal(parser_node, operand_type, operand_value, operand_length)
|
||||
else
|
||||
instruction := _elna_tac_variable_expression(parser_node, symbol_table, operand_type, operand_value, operand_length);
|
||||
is_address^ := 1
|
||||
instruction := _elna_tac_variable_expression(parser_node, symbol_table, operand_type, operand_value, operand_length)
|
||||
end;
|
||||
return instruction
|
||||
end;
|
||||
@@ -1786,11 +1782,11 @@ begin
|
||||
first_instruction := _elna_tac_designator(operand, symbol_table, @is_address, operand_type, operand_value, operand_length);
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.get_address);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, operand_type^, operand_value^, operand_length^);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
first_instruction := elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
@@ -1799,36 +1795,37 @@ begin
|
||||
first_instruction := _elna_tac_designator(operand, symbol_table, @is_address, operand_type, operand_value, operand_length);
|
||||
operand := operand_type^;
|
||||
|
||||
if first_instruction = 0 then
|
||||
first_instruction := _elna_tac_instruction_create(ElnaTacOperator.get_address);
|
||||
_elna_tac_instruction_set_operand(first_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(first_instruction, 2, operand_type^, operand_value^, operand_length^);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_length^ := 0
|
||||
end;
|
||||
if is_address then
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.load_word);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.offset, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, operand_type^, operand_value^, operand_length^);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
else
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, operand_type^, operand_value^, operand_length^);
|
||||
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
first_instruction := elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
end
|
||||
end;
|
||||
if operator = '-' then
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.neg);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.temporary, 6, 0);
|
||||
elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
elsif operator = '~' then
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.not);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.temporary, 6, 0);
|
||||
elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
end;
|
||||
return first_instruction
|
||||
@@ -1944,20 +1941,11 @@ begin
|
||||
lhs_length := 0;
|
||||
instruction := _elna_tac_unary_expression(operand_node, symbol_table, @lhs_type, @lhs_value, @lhs_length);
|
||||
|
||||
(* Debug. Error stream output.
|
||||
_syscall(2, name_pointer, name_length, 0, 0, 0, 64);
|
||||
if lhs_length = 0 then
|
||||
printf("# here %i\n\0", lhs_value);
|
||||
else
|
||||
printf("# here %.*s\n\0", lhs_length, lhs_value);
|
||||
end;
|
||||
fflush(0); *)
|
||||
|
||||
current_instruction := elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
|
||||
(* Load the left expression from the stack; *)
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t1, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 7, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, 72, 0);
|
||||
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
@@ -1992,14 +1980,14 @@ begin
|
||||
elsif token_kind = ElnaLexerKind.not_equal then
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.sne)
|
||||
end;
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, 72, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 3, lhs_type, lhs_value, lhs_length);
|
||||
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0
|
||||
end;
|
||||
return first_instruction
|
||||
@@ -2123,7 +2111,7 @@ begin
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, operand_type, operand_value, operand_length);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.offset, ElnaRtlRegister.sp, 132 - stack_offset);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, 132 - stack_offset, 0);
|
||||
if first_instruction = 0 then
|
||||
first_instruction := instruction
|
||||
else
|
||||
@@ -2143,8 +2131,9 @@ begin
|
||||
stack_offset := argument_count * 4;
|
||||
|
||||
(* Calculate the stack offset: 132 - (4 * argument_counter) *)
|
||||
instruction := _elna_tac_load_word(ElnaRtlRegister.a0 + argument_count,
|
||||
ElnaRtlRegister.sp, 132 - stack_offset);
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11 + argument_count, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, 132 - stack_offset, 0);
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
current_instruction := instruction;
|
||||
|
||||
@@ -2198,7 +2187,9 @@ begin
|
||||
_store_byte('.', label_with_dot);
|
||||
memcpy(label_with_dot + 1, label_name, label_length);
|
||||
|
||||
return _elna_tac_jump(label_with_dot, label_length + 1)
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.jump);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.symbol, label_with_dot, label_length + 1);
|
||||
return instruction
|
||||
end;
|
||||
|
||||
proc _elna_parser_label_declaration();
|
||||
@@ -2322,16 +2313,17 @@ begin
|
||||
|
||||
if node_kind = NodeKind.dereference_expression then
|
||||
parser_node := _dereference_expression_get_pointer(parser_node);
|
||||
first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, is_address, operand_type, operand_value, operand_length);
|
||||
first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, operand_type, operand_value, operand_length);
|
||||
|
||||
last_instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 2, operand_type^, operand_value^, operand_length^);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
is_address^ := 2;
|
||||
first_instruction := elna_instruction_list_concatenate(first_instruction, last_instruction)
|
||||
elsif node_kind = NodeKind.field_access_expression then
|
||||
first_instruction := _elna_tac_enumeration_value(parser_node, operand_type, operand_value, operand_length);
|
||||
@@ -2340,17 +2332,18 @@ begin
|
||||
first_instruction := _elna_tac_call(parser_node, symbol_table);
|
||||
|
||||
last_instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 2, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(last_instruction, 2, ElnaTacOperand.temporary, 11, 0);
|
||||
|
||||
operand_type^ := ElnaTacOperand.register;
|
||||
operand_value^ := ElnaRtlRegister.t0;
|
||||
operand_type^ := ElnaTacOperand.temporary;
|
||||
operand_value^ := 6;
|
||||
operand_length^ := 0;
|
||||
|
||||
elna_instruction_list_concatenate(first_instruction, last_instruction);
|
||||
is_address^ := 0
|
||||
else
|
||||
first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, is_address, operand_type, operand_value, operand_length)
|
||||
first_instruction := _elna_tac_simple_expression(parser_node, symbol_table, operand_type, operand_value, operand_length);
|
||||
is_address^ := 0
|
||||
end;
|
||||
return first_instruction
|
||||
end;
|
||||
@@ -2395,12 +2388,14 @@ begin
|
||||
first_instruction := _elna_tac_designator(current_expression, symbol_table, @is_address, @operand_type, @operand_value, @operand_length);
|
||||
|
||||
current_instruction := _elna_tac_instruction_create(ElnaTacOperator.get_address);
|
||||
_elna_tac_instruction_set_operand(current_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.t0, 0);
|
||||
_elna_tac_instruction_set_operand(current_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(current_instruction, 2, operand_type, operand_value, operand_length);
|
||||
first_instruction := elna_instruction_list_concatenate(first_instruction, current_instruction);
|
||||
|
||||
(* Save the assignee address on the stack. *)
|
||||
current_instruction := _elna_tac_store_word(ElnaRtlRegister.t0, ElnaRtlRegister.sp, 76);
|
||||
current_instruction := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
_elna_tac_instruction_set_operand(current_instruction, 1, ElnaTacOperand.temporary, 6, 0);
|
||||
_elna_tac_instruction_set_operand(current_instruction, 2, ElnaTacOperand.stack, 76, 0);
|
||||
elna_instruction_list_concatenate(first_instruction, current_instruction);
|
||||
|
||||
(* Compile the assignment. *)
|
||||
@@ -2415,13 +2410,16 @@ begin
|
||||
current_instruction := instruction
|
||||
end;
|
||||
|
||||
instruction := _elna_tac_load_word(ElnaRtlRegister.t1, ElnaRtlRegister.sp, 76);
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 7, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, 76, 0);
|
||||
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
current_instruction := instruction;
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, operand_type, operand_value, operand_length);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.offset, ElnaRtlRegister.t1, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.temporary, 7, 0);
|
||||
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
|
||||
@@ -2465,7 +2463,7 @@ begin
|
||||
first_instruction := _elna_tac_binary_expression(return_expression, symbol_table, @operand_type, @operand_value, @operand_length);
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, operand_type, operand_value, operand_length);
|
||||
|
||||
return elna_instruction_list_concatenate(first_instruction, instruction)
|
||||
@@ -2553,7 +2551,8 @@ begin
|
||||
current_instruction := instruction
|
||||
end;
|
||||
|
||||
instruction := _elna_tac_jump(after_end_label, 0);
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.jump);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.symbol, after_end_label, 0);
|
||||
elna_instruction_list_concatenate(current_instruction, instruction);
|
||||
|
||||
current_instruction := _elna_tac_label(condition_label, 0);
|
||||
@@ -3267,7 +3266,9 @@ begin
|
||||
|
||||
symbol_info := _parameter_info_get_offset(symbol_info);
|
||||
|
||||
instruction := _elna_tac_store_word(ElnaRtlRegister.a0 + parameter_counter, ElnaRtlRegister.sp, symbol_info);
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11 + parameter_counter, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.stack, symbol_info, 0);
|
||||
if first_instruction = 0 then
|
||||
first_instruction := instruction
|
||||
else
|
||||
@@ -3677,8 +3678,8 @@ begin
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.add);
|
||||
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.temporary, 11, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 3, ElnaTacOperand.immediate, field_offset, 0);
|
||||
|
||||
return instruction
|
||||
@@ -3693,15 +3694,15 @@ var
|
||||
begin
|
||||
instruction := _elna_tac_accessor(name_pointer, name_length, field_pointer, field_offset, @first_result, "_get_");
|
||||
next_instruction := _elna_tac_instruction_create(ElnaTacOperator.load_word);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.offset, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.temporary, 11, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.temporary, 11, 0);
|
||||
elna_instruction_list_concatenate(instruction, next_instruction);
|
||||
ElnaInstructionDeclaration_set_body(first_result, instruction);
|
||||
|
||||
instruction := _elna_tac_accessor(name_pointer, name_length, field_pointer, field_offset, @second_result, "_set_");
|
||||
next_instruction := _elna_tac_instruction_create(ElnaTacOperator.store_word);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.a1, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.offset, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 1, ElnaTacOperand.temporary, 12, 0);
|
||||
_elna_tac_instruction_set_operand(next_instruction, 2, ElnaTacOperand.temporary, 11, 0);
|
||||
elna_instruction_list_concatenate(instruction, next_instruction);
|
||||
ElnaInstructionDeclaration_set_body(second_result, instruction);
|
||||
|
||||
@@ -3736,7 +3737,7 @@ begin
|
||||
ElnaInstructionDeclaration_set_length(first_result, new_length);
|
||||
|
||||
instruction := _elna_tac_instruction_create(ElnaTacOperator.assign);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.register, ElnaRtlRegister.a0, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 1, ElnaTacOperand.temporary, 11, 0);
|
||||
_elna_tac_instruction_set_operand(instruction, 2, ElnaTacOperand.immediate, type_size, 0);
|
||||
|
||||
ElnaInstructionDeclaration_set_body(first_result, instruction);
|
||||
|
||||
Reference in New Issue
Block a user