CORE_ADDR address;
address = value_address (array) + elt_offs;
- elt_type = resolve_dynamic_type (elt_type, NULL, address);
+ elt_type = resolve_dynamic_type (elt_type, {}, address);
}
return value_from_component (array, elt_type, elt_offs);
TYPE_NAME (type2));
}
+/* A helper function that finds the type to use for a binary operation
+ involving TYPE1 and TYPE2. */
+
+static struct type *
+promotion_type (struct type *type1, struct type *type2)
+{
+ struct type *result_type;
+
+ if (is_floating_type (type1) || is_floating_type (type2))
+ {
+ /* If only one type is floating-point, use its type.
+ Otherwise use the bigger type. */
+ if (!is_floating_type (type1))
+ result_type = type2;
+ else if (!is_floating_type (type2))
+ result_type = type1;
+ else if (TYPE_LENGTH (type2) > TYPE_LENGTH (type1))
+ result_type = type2;
+ else
+ result_type = type1;
+ }
+ else
+ {
+ /* Integer types. */
+ if (TYPE_LENGTH (type1) > TYPE_LENGTH (type2))
+ result_type = type1;
+ else if (TYPE_LENGTH (type2) > TYPE_LENGTH (type1))
+ result_type = type2;
+ else if (TYPE_UNSIGNED (type1))
+ result_type = type1;
+ else if (TYPE_UNSIGNED (type2))
+ result_type = type2;
+ else
+ result_type = type1;
+ }
+
+ return result_type;
+}
+
+static struct value *scalar_binop (struct value *arg1, struct value *arg2,
+ enum exp_opcode op);
+
+/* Perform a binary operation on complex operands. */
+
+static struct value *
+complex_binop (struct value *arg1, struct value *arg2, enum exp_opcode op)
+{
+ struct type *arg1_type = check_typedef (value_type (arg1));
+ struct type *arg2_type = check_typedef (value_type (arg2));
+
+ struct value *arg1_real, *arg1_imag, *arg2_real, *arg2_imag;
+ if (TYPE_CODE (arg1_type) == TYPE_CODE_COMPLEX)
+ {
+ arg1_real = value_real_part (arg1);
+ arg1_imag = value_imaginary_part (arg1);
+ }
+ else
+ {
+ arg1_real = arg1;
+ arg1_imag = value_zero (arg1_type, not_lval);
+ }
+ if (TYPE_CODE (arg2_type) == TYPE_CODE_COMPLEX)
+ {
+ arg2_real = value_real_part (arg2);
+ arg2_imag = value_imaginary_part (arg2);
+ }
+ else
+ {
+ arg2_real = arg2;
+ arg2_imag = value_zero (arg2_type, not_lval);
+ }
+
+ struct type *comp_type = promotion_type (value_type (arg1_real),
+ value_type (arg2_real));
+ arg1_real = value_cast (comp_type, arg1_real);
+ arg1_imag = value_cast (comp_type, arg1_imag);
+ arg2_real = value_cast (comp_type, arg2_real);
+ arg2_imag = value_cast (comp_type, arg2_imag);
+
+ struct type *result_type = init_complex_type (nullptr, comp_type);
+
+ struct value *result_real, *result_imag;
+ switch (op)
+ {
+ case BINOP_ADD:
+ case BINOP_SUB:
+ result_real = scalar_binop (arg1_real, arg2_real, op);
+ result_imag = scalar_binop (arg1_imag, arg2_imag, op);
+ break;
+
+ case BINOP_MUL:
+ {
+ struct value *x1 = scalar_binop (arg1_real, arg2_real, op);
+ struct value *x2 = scalar_binop (arg1_imag, arg2_imag, op);
+ result_real = scalar_binop (x1, x2, BINOP_SUB);
+
+ x1 = scalar_binop (arg1_real, arg2_imag, op);
+ x2 = scalar_binop (arg1_imag, arg2_real, op);
+ result_imag = scalar_binop (x1, x2, BINOP_ADD);
+ }
+ break;
+
+ case BINOP_DIV:
+ {
+ if (TYPE_CODE (arg2_type) == TYPE_CODE_COMPLEX)
+ {
+ struct value *conjugate = value_complement (arg2);
+ /* We have to reconstruct ARG1, in case the type was
+ promoted. */
+ arg1 = value_literal_complex (arg1_real, arg1_imag, result_type);
+
+ struct value *numerator = scalar_binop (arg1, conjugate,
+ BINOP_MUL);
+ arg1_real = value_real_part (numerator);
+ arg1_imag = value_imaginary_part (numerator);
+
+ struct value *x1 = scalar_binop (arg2_real, arg2_real, BINOP_MUL);
+ struct value *x2 = scalar_binop (arg2_imag, arg2_imag, BINOP_MUL);
+ arg2_real = scalar_binop (x1, x2, BINOP_ADD);
+ }
+
+ result_real = scalar_binop (arg1_real, arg2_real, op);
+ result_imag = scalar_binop (arg1_imag, arg2_real, op);
+ }
+ break;
+
+ case BINOP_EQUAL:
+ case BINOP_NOTEQUAL:
+ {
+ struct value *x1 = scalar_binop (arg1_real, arg2_real, op);
+ struct value *x2 = scalar_binop (arg1_imag, arg2_imag, op);
+
+ LONGEST v1 = value_as_long (x1);
+ LONGEST v2 = value_as_long (x2);
+
+ if (op == BINOP_EQUAL)
+ v1 = v1 && v2;
+ else
+ v1 = v1 || v2;
+
+ return value_from_longest (value_type (x1), v1);
+ }
+ break;
+
+ default:
+ error (_("Invalid binary operation on numbers."));
+ }
+
+ return value_literal_complex (result_real, result_imag, result_type);
+}
+
/* Perform a binary operation on two operands which have reasonable
representations as integers or floats. This includes booleans,
characters, integers, or floats.
type1 = check_typedef (value_type (arg1));
type2 = check_typedef (value_type (arg2));
+ if (TYPE_CODE (type1) == TYPE_CODE_COMPLEX
+ || TYPE_CODE (type2) == TYPE_CODE_COMPLEX)
+ return complex_binop (arg1, arg2, op);
+
if ((!is_floating_value (arg1) && !is_integral_type (type1))
|| (!is_floating_value (arg2) && !is_integral_type (type2)))
error (_("Argument to arithmetic operation not a number or boolean."));
if (is_floating_type (type1) || is_floating_type (type2))
{
- /* If only one type is floating-point, use its type.
- Otherwise use the bigger type. */
- if (!is_floating_type (type1))
- result_type = type2;
- else if (!is_floating_type (type2))
- result_type = type1;
- else if (TYPE_LENGTH (type2) > TYPE_LENGTH (type1))
- result_type = type2;
- else
- result_type = type1;
-
+ result_type = promotion_type (type1, type2);
val = allocate_value (result_type);
struct type *eff_type_v1, *eff_type_v2;
if one of the operands is unsigned. */
if (op == BINOP_RSH || op == BINOP_LSH || op == BINOP_EXP)
result_type = type1;
- else if (TYPE_LENGTH (type1) > TYPE_LENGTH (type2))
- result_type = type1;
- else if (TYPE_LENGTH (type2) > TYPE_LENGTH (type1))
- result_type = type2;
- else if (TYPE_UNSIGNED (type1))
- result_type = type1;
- else if (TYPE_UNSIGNED (type2))
- result_type = type2;
else
- result_type = type1;
+ result_type = promotion_type (type1, type2);
if (TYPE_UNSIGNED (result_type))
{
type = check_typedef (value_type (arg1));
if (is_integral_type (type) || is_floating_value (arg1)
- || (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type)))
+ || (TYPE_CODE (type) == TYPE_CODE_ARRAY && TYPE_VECTOR (type))
+ || TYPE_CODE (type) == TYPE_CODE_COMPLEX)
return value_from_contents (type, value_contents (arg1));
else
error (_("Argument to positive operation not a number."));
}
return val;
}
+ else if (TYPE_CODE (type) == TYPE_CODE_COMPLEX)
+ {
+ struct value *real = value_real_part (arg1);
+ struct value *imag = value_imaginary_part (arg1);
+
+ real = value_neg (real);
+ imag = value_neg (imag);
+ return value_literal_complex (real, imag, type);
+ }
else
error (_("Argument to negate operation not a number."));
}
value_contents_all (tmp), TYPE_LENGTH (eltype));
}
}
+ else if (TYPE_CODE (type) == TYPE_CODE_COMPLEX)
+ {
+ /* GCC has an extension that treats ~complex as the complex
+ conjugate. */
+ struct value *real = value_real_part (arg1);
+ struct value *imag = value_imaginary_part (arg1);
+
+ imag = value_neg (imag);
+ return value_literal_complex (real, imag, type);
+ }
else
error (_("Argument to complement operation not an integer, boolean."));
projects / deliverable / binutils-gdb.git / blobdiff