Add support for setting the comment ident

gcc/jit/jit-playback.cc

@@ -324,6 +324,13 @@ get_type (enum gcc_jit_types type_)
  return new type (type_node);
 }
 
+void
+playback::context::
+set_output_ident (const char* ident)
+{
+ targetm.asm_out.output_ident (ident);
+}
+
 /* Construct a playback::type instance (wrapping a tree) for the given
  array type. */
 

gcc/jit/jit-playback.h

@@ -74,6 +74,9 @@ class context : public log_user
  type *
  get_type (enum gcc_jit_types type);
 
+ void
+ set_output_ident (const char* ident);
+
  type *
  new_array_type (location *loc,
  type *element_type,

gcc/jit/jit-recording.cc

@@ -1455,6 +1455,13 @@ recording::context::set_str_option (enum gcc_jit_str_option opt,
  log_str_option (opt);
 }
 
+void
+recording::context::set_output_ident (const char *ident)
+{
+ recording::output_ident *memento = new output_ident (this, ident);
+ record (memento);
+}
+
 /* Set the given integer option for this context, or add an error if
  it's not recognized.
 
@@ -2313,6 +2320,50 @@ recording::string::write_reproducer (reproducer &)
  /* Empty. */
 }
 
+/* The implementation of class gcc::jit::recording::output_ident. */
+
+/* Constructor for gcc::jit::recording::output_ident, allocating a
+ copy of the given text using new char[]. */
+
+recording::output_ident::output_ident (context *ctxt, const char *ident)
+: memento (ctxt)
+{
+ m_ident = ident ? xstrdup (ident) : NULL;
+}
+
+/* Destructor for gcc::jit::recording::output_ident. */
+
+recording::output_ident::~output_ident ()
+{
+ delete[] m_ident;
+}
+
+/* Implementation of pure virtual hook recording::memento::replay_into
+ for recording::output_ident. */
+
+void
+recording::output_ident::replay_into (replayer *r)
+{
+ r->set_output_ident (m_ident);
+}
+
+/* Implementation of recording::memento::make_debug_string for output_ident. */
+
+recording::string *
+recording::output_ident::make_debug_string ()
+{
+ return m_ctxt->new_string (m_ident);
+}
+
+/* Implementation of recording::memento::write_reproducer for output_ident. */
+
+void
+recording::output_ident::write_reproducer (reproducer &)
+{
+ /* TODO */
+}
+
+
 /* The implementation of class gcc::jit::recording::location. */
 
 /* Implementation of recording::memento::replay_into for locations.

gcc/jit/jit-recording.h

@@ -255,6 +255,9 @@ class context : public log_user
  set_str_option (enum gcc_jit_str_option opt,
  const char *value);
 
+ void
+ set_output_ident (const char *output_ident);
+
  void
  set_int_option (enum gcc_jit_int_option opt,
  int value);
@@ -497,6 +500,25 @@ class string : public memento
  bool m_escaped;
 };
 
+class output_ident : public memento
+{
+public:
+ output_ident (context *ctxt, const char *text);
+ ~output_ident ();
+
+ void replay_into (replayer *) final override;
+
+ output_ident (const output_ident&) = delete;
+ output_ident& operator= (const output_ident&) = delete;
+
+private:
+ string * make_debug_string () final override;
+ void write_reproducer (reproducer &r) final override;
+
+private:
+ const char *m_ident;
+};
+
 class location : public memento
 {
 public:

gcc/jit/libgccjit.cc

@@ -3919,6 +3919,21 @@ gcc_jit_context_get_target_info (gcc_jit_context *ctxt)
  return (gcc_jit_target_info*) jit_get_target_info ();
 }
 
+/* Public entrypoint. See description in libgccjit.h.
+
+ After error-checking, the real work is done by the
+ gcc::jit::recording::context::set_str_option method in
+ jit-recording.cc. */
+
+void
+gcc_jit_context_set_output_ident (gcc_jit_context *ctxt, const char* output_ident)
+{
+ RETURN_IF_FAIL (ctxt, NULL, NULL, "NULL context");
+ JIT_LOG_FUNC (ctxt->get_logger ());
+
+ ctxt->set_output_ident (output_ident);
+}
+
 void
 gcc_jit_target_info_release (gcc_jit_target_info *info)
 {

gcc/jit/libgccjit.h

@@ -2085,6 +2085,9 @@ gcc_jit_type_unqualified (gcc_jit_type *type);
 extern gcc_jit_target_info *
 gcc_jit_context_get_target_info (gcc_jit_context *ctxt);
 
+extern void
+gcc_jit_context_set_output_ident (gcc_jit_context *ctxt, const char* output_ident);
+
 extern void
 gcc_jit_target_info_release (gcc_jit_target_info *info);
 

gcc/jit/libgccjit.map

@@ -337,3 +337,8 @@ LIBGCCJIT_ABI_35 {
  gcc_jit_context_new_sizeof;
  gcc_jit_function_add_integer_array_attribute;
 } LIBGCCJIT_ABI_34;
+
+LIBGCCJIT_ABI_36 {
+ global:
+ gcc_jit_context_set_output_ident;
+} LIBGCCJIT_ABI_35;