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-rw-r--r--gcc/toplev.c59
1 files changed, 36 insertions, 23 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c
index e7947eba2eb..04b02bc6ecf 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -374,6 +374,7 @@ static const param_info lang_independent_params[] = {
{ NULL, 0, 0, 0, NULL }
};
+#ifdef TARGET_SWITCHES
/* Here is a table, controlled by the tm.h file, listing each -m switch
and which bits in `target_switches' it should set or clear.
If VALUE is positive, it is bits to set.
@@ -387,6 +388,7 @@ static const struct
const char *const description;
}
target_switches[] = TARGET_SWITCHES;
+#endif
/* This table is similar, but allows the switch to have a value. */
@@ -1066,6 +1068,7 @@ void
display_target_options (void)
{
int undoc, i;
+ unsigned int cli;
static bool displayed = false;
/* Avoid double printing for --help --target-help. */
@@ -1074,18 +1077,26 @@ display_target_options (void)
displayed = true;
- if (ARRAY_SIZE (target_switches) > 1
+ for (cli = 0; cli < cl_options_count; cli++)
+ if ((cl_options[cli].flags & (CL_TARGET | CL_UNDOCUMENTED)) == CL_TARGET)
+ break;
+
+ if (cli < cl_options_count
+#ifdef TARGET_SWITCHES
+ || ARRAY_SIZE (target_switches) > 1
+#endif
#ifdef TARGET_OPTIONS
|| ARRAY_SIZE (target_options) > 1
#endif
)
{
- int doc = 0;
+ int doc = cli < cl_options_count;
undoc = 0;
printf (_("\nTarget specific options:\n"));
+#ifdef TARGET_SWITCHES
for (i = ARRAY_SIZE (target_switches); i--;)
{
const char *option = target_switches[i].name;
@@ -1103,6 +1114,7 @@ display_target_options (void)
else if (*description != 0)
doc += printf (" -m%-23s %s\n", option, _(description));
}
+#endif
#ifdef TARGET_OPTIONS
for (i = ARRAY_SIZE (target_options); i--;)
@@ -1123,6 +1135,7 @@ display_target_options (void)
doc += printf (" -m%-23s %s\n", option, _(description));
}
#endif
+ print_filtered_help (CL_TARGET);
if (undoc)
{
if (doc)
@@ -1189,9 +1202,12 @@ const char *const debug_type_names[] =
void
set_target_switch (const char *name)
{
+#if defined (TARGET_SWITCHES) || defined (TARGET_OPTIONS)
size_t j;
+#endif
int valid_target_option = 0;
+#ifdef TARGET_SWITCHES
for (j = 0; j < ARRAY_SIZE (target_switches); j++)
if (!strcmp (target_switches[j].name, name))
{
@@ -1208,6 +1224,7 @@ set_target_switch (const char *name)
}
valid_target_option = 1;
}
+#endif
#ifdef TARGET_OPTIONS
if (!valid_target_option)
@@ -1233,7 +1250,7 @@ set_target_switch (const char *name)
}
#endif
- if (!valid_target_option)
+ if (name[0] != 0 && !valid_target_option)
error ("invalid option %qs", name);
}
@@ -1340,28 +1357,14 @@ print_switch_values (FILE *file, int pos, int max,
_("options enabled: "), "");
for (j = 0; j < cl_options_count; j++)
- {
- if (!cl_options[j].flag_var
- || !(cl_options[j].flags & CL_REPORT))
- continue;
-
- if (cl_options[j].has_set_value)
- {
- if (*cl_options[j].flag_var != cl_options[j].set_value)
- continue;
- }
- else
- {
- if (!*cl_options[j].flag_var)
- continue;
- }
-
+ if ((cl_options[j].flags & CL_REPORT)
+ && option_enabled (&cl_options[j]) > 0)
pos = print_single_switch (file, pos, max, indent, sep, term,
"", cl_options[j].opt_text);
- }
/* Print target specific options. */
+#ifdef TARGET_SWITCHES
for (j = 0; j < ARRAY_SIZE (target_switches); j++)
if (target_switches[j].name[0] != '\0'
&& target_switches[j].value > 0
@@ -1371,6 +1374,7 @@ print_switch_values (FILE *file, int pos, int max,
pos = print_single_switch (file, pos, max, indent, sep, term,
"-m", target_switches[j].name);
}
+#endif
#ifdef TARGET_OPTIONS
for (j = 0; j < ARRAY_SIZE (target_options); j++)
@@ -1497,12 +1501,13 @@ default_pch_valid_p (const void *data_p, size_t len)
/* Check target_flags. */
if (memcmp (data, &target_flags, sizeof (target_flags)) != 0)
{
+ int tf;
+
+ memcpy (&tf, data, sizeof (target_flags));
+#ifdef TARGET_SWITCHES
for (i = 0; i < ARRAY_SIZE (target_switches); i++)
{
int bits;
- int tf;
-
- memcpy (&tf, data, sizeof (target_flags));
bits = target_switches[i].value;
if (bits < 0)
@@ -1513,6 +1518,14 @@ default_pch_valid_p (const void *data_p, size_t len)
goto make_message;
}
}
+#endif
+ for (i = 0; i < cl_options_count; i++)
+ if (cl_options[i].flag_var == &target_flags
+ && (cl_options[i].var_value & (target_flags ^ tf)) != 0)
+ {
+ flag_that_differs = cl_options[i].opt_text + 2;
+ goto make_message;
+ }
gcc_unreachable ();
}
data += sizeof (target_flags);