/* FIXME: Eliminate the next two functions when we have the time to
change all the callers. */
-void i387_to_double PARAMS ((char *from, char *to));
-void double_to_i387 PARAMS ((char *from, char *to));
+void i387_to_double (char *from, char *to);
+void double_to_i387 (char *from, char *to);
void
-i387_to_double (from, to)
- char *from;
- char *to;
+i387_to_double (char *from, char *to)
{
floatformat_to_double (&floatformat_i387_ext, from, (double *) to);
}
void
-double_to_i387 (from, to)
- char *from;
- char *to;
+double_to_i387 (char *from, char *to)
{
floatformat_from_double (&floatformat_i387_ext, (double *) from, to);
}
use the generic implementation based on the new register file
layout. */
-static void print_387_control_bits PARAMS ((unsigned int control));
-static void print_387_status_bits PARAMS ((unsigned int status));
+static void print_387_control_bits (unsigned int control);
+static void print_387_status_bits (unsigned int status);
static void
-print_387_control_bits (control)
- unsigned int control;
+print_387_control_bits (unsigned int control)
{
switch ((control >> 8) & 3)
{
}
void
-print_387_control_word (control)
- unsigned int control;
+print_387_control_word (unsigned int control)
{
printf_filtered ("control %s:", local_hex_string(control & 0xffff));
print_387_control_bits (control);
}
static void
-print_387_status_bits (status)
- unsigned int status;
+print_387_status_bits (unsigned int status)
{
printf_unfiltered (" flags %d%d%d%d; ",
(status & 0x4000) != 0,
}
void
-print_387_status_word (status)
- unsigned int status;
+print_387_status_word (unsigned int status)
{
printf_filtered ("status %s:", local_hex_string (status & 0xffff));
print_387_status_bits (status);
print_i387_value (char *raw)
{
DOUBLEST value;
-
- floatformat_to_doublest (&floatformat_i387_ext, raw, &value);
+
+ /* Avoid call to floatformat_to_doublest if possible to preserve as
+ much information as possible. */
+
+#ifdef HAVE_LONG_DOUBLE
+ if (sizeof (value) == sizeof (long double)
+ && HOST_LONG_DOUBLE_FORMAT == &floatformat_i387_ext)
+ {
+ /* Copy straight over, but take care of the padding. */
+ memcpy (&value, raw, FPU_REG_RAW_SIZE);
+ memset ((char *) &value + FPU_REG_RAW_SIZE, 0,
+ sizeof (value) - FPU_REG_RAW_SIZE);
+ }
+ else
+#endif
+ floatformat_to_doublest (&floatformat_i387_ext, raw, &value);
/* We try to print 19 digits. The last digit may or may not contain
garbage, but we'd better print one too many. We need enough room