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compiler: Pass constant arguments directly to thunk functions.

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From-SVN: r215402
This commit is contained in:
Ian Lance Taylor 2014-09-19 18:53:50 +00:00
parent 2bfbb86133
commit 5850bf669f
1 changed files with 36 additions and 14 deletions

50
gcc/go/gofrontend/statements.cc

@ -2178,7 +2178,11 @@ Thunk_statement::simplify_statement(Gogo* gogo, Named_object* function,
for (Expression_list::const_iterator p = ce->args()->begin();
p != ce->args()->end();
++p)
vals->push_back(*p);
{
if ((*p)->is_constant())
continue;
vals->push_back(*p);
}
}
// Build the struct.
@ -2281,6 +2285,9 @@ Thunk_statement::build_struct(Function_type* fntype)
p != args->end();
++p, ++i)
{
if ((*p)->is_constant())
continue;
char buf[50];
this->thunk_field_param(i, buf, sizeof buf);
fields->push_back(Struct_field(Typed_identifier(buf, (*p)->type(),
@ -2418,21 +2425,36 @@ Thunk_statement::build_thunk(Gogo* gogo, const std::string& thunk_name)
++p;
bool is_recover_call = ce->is_recover_call();
Expression* recover_arg = NULL;
for (; p != fields->end(); ++p, ++next_index)
const Expression_list* args = ce->args();
if (args != NULL)
{
Expression* thunk_param = Expression::make_var_reference(named_parameter,
location);
thunk_param = Expression::make_unary(OPERATOR_MULT, thunk_param,
location);
Expression* param = Expression::make_field_reference(thunk_param,
next_index,
location);
if (!is_recover_call)
call_params->push_back(param);
else
for (Expression_list::const_iterator arg = args->begin();
arg != args->end();
++arg)
{
go_assert(call_params->empty());
recover_arg = param;
Expression* param;
if ((*arg)->is_constant())
param = *arg;
else
{
Expression* thunk_param =
Expression::make_var_reference(named_parameter, location);
thunk_param =
Expression::make_unary(OPERATOR_MULT, thunk_param, location);
param = Expression::make_field_reference(thunk_param,
next_index,
location);
++next_index;
}
if (!is_recover_call)
call_params->push_back(param);
else
{
go_assert(call_params->empty());
recover_arg = param;
}
}
}