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opt-functions.awk (global_state_p, [...]): New. 

* opt-functions.awk (global_state_p, needs_state_p, static_var): New.
	(var_ref): Take the option's flags as a second parameter.  Check
	static_var.
	* optc-gen.awk: Declare local state variables.  Pass flags to var_ref.

From-SVN: r100937
This commit is contained in:
Richard Sandiford 2005-06-14 14:37:49 +00:00 committed by Richard Sandiford
parent efe4c4e7d2
commit ee133b6978
3 changed files with 47 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-06-14 Richard Sandiford <richard@codesourcery.com>
* opt-functions.awk (global_state_p, needs_state_p, static_var): New.
(var_ref): Take the option's flags as a second parameter. Check
static_var.
* optc-gen.awk: Declare local state variables. Pass flags to var_ref.
2005-06-14 Eric Botcazou <ebotcazou@libertysurf.fr>
PR target/20301

34
gcc/opt-functions.awk
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@ -89,6 +89,32 @@ function var_name(flags)
return nth_arg(0, opt_args("Var", flags))
}
# Return true if the option described by FLAGS has a globally-visible state.
function global_state_p(flags)
{
return (var_name(flags) != "" \
|| opt_args("Mask", flags) != "" \
|| opt_args("InverseMask", flags) != "")
}
# Return true if the option described by FLAGS must have some state
# associated with it.
function needs_state_p(flags)
{
return flag_set_p("Target", flags)
}
# If FLAGS describes an option that needs a static state variable,
# return the name of that variable, otherwise return "". NAME is
# the name of the option.
function static_var(name, flags)
{
if (global_state_p(flags) || !needs_state_p(flags))
return ""
gsub ("[^A-Za-z0-9]", "_", name)
return "VAR_" name
}
# Return the type of variable that should be associated with the given flags.
function var_type(flags)
{
@ -128,11 +154,11 @@ function var_set(flags)
return "CLVC_BOOLEAN, 0"
}
# Given that an option has flags FLAGS, return an initializer for the
# "flag_var" field of its cl_options[] entry.
function var_ref(flags)
# Given that an option called NAME has flags FLAGS, return an initializer
# for the "flag_var" field of its cl_options[] entry.
function var_ref(name, flags)
{
name = var_name(flags)
name = var_name(flags) static_var(name, flags)
if (name != "")
return "&" name
if (opt_args("Mask", flags) != "")

11
gcc/optc-gen.awk
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@ -85,6 +85,14 @@ for (i = 0; i < n_opts; i++) {
var_seen[name] = 1;
}
print ""
print "/* Local state variables. */"
for (i = 0; i < n_opts; i++) {
name = static_var(opts[i], flags[i]);
if (name != "")
print "static " var_type(flags[i]) name ";"
}
print ""
print "const char * const lang_names[] =\n{"
for (i = 0; i < n_langs; i++) {
@ -152,7 +160,8 @@ for (i = 0; i < n_opts; i++) {
condition, cl_flags, cl_flags)
else
printf(" %s,\n", cl_flags)
printf(" %s, %s }%s\n", var_ref(flags[i]), var_set(flags[i]), comma)
printf(" %s, %s }%s\n", var_ref(opts[i], flags[i]),
var_set(flags[i]), comma)
}
print "};"