+ case CONST_VECTOR:
+ {
+ enum machine_mode mode = GET_MODE (rtl);
+ unsigned int elt_size = GET_MODE_UNIT_SIZE (mode);
+ unsigned int length = CONST_VECTOR_NUNITS (rtl);
+ unsigned char *array = ggc_alloc (length * elt_size);
+ unsigned int i;
+ unsigned char *p;
+
+ if (GET_MODE_CLASS (mode) == MODE_VECTOR_INT)
+ {
+ for (i = 0, p = array; i < length; i++, p += elt_size)
+ {
+ rtx elt = CONST_VECTOR_ELT (rtl, i);
+ HOST_WIDE_INT lo, hi;
+ if (GET_CODE (elt) == CONST_INT)
+ {
+ lo = INTVAL (elt);
+ hi = -(lo < 0);
+ }
+ else if (GET_CODE (elt) == CONST_DOUBLE)
+ {
+ lo = CONST_DOUBLE_LOW (elt);
+ hi = CONST_DOUBLE_HIGH (elt);
+ }
+ else
+ abort ();
+
+ if (elt_size <= sizeof (HOST_WIDE_INT))
+ insert_int (lo, elt_size, p);
+ else if (elt_size == 2 * sizeof (HOST_WIDE_INT))
+ {
+ unsigned char *p0 = p;
+ unsigned char *p1 = p + sizeof (HOST_WIDE_INT);
+
+ if (WORDS_BIG_ENDIAN)
+ {
+ p0 = p1;
+ p1 = p;
+ }
+ insert_int (lo, sizeof (HOST_WIDE_INT), p0);
+ insert_int (hi, sizeof (HOST_WIDE_INT), p1);
+ }
+ else
+ abort ();
+ }
+ }
+ else if (GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT)
+ {
+ for (i = 0, p = array; i < length; i++, p += elt_size)
+ {
+ rtx elt = CONST_VECTOR_ELT (rtl, i);
+ insert_float (elt, p);
+ }
+ }
+ else
+ abort ();
+
+ add_AT_vec (die, DW_AT_const_value, length, elt_size, array);
+ }
+ break;
+