Honor the -fsyntax-only flag by not emitting any assembly code.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/st/cli-be@147139 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 26 insertions, 18 deletions

diff --git a/gcc/config/cil32/cil-refs.c b/gcc/config/cil32/cil-refs.c
index 884fbc66b91..caf77afa176 100644
--- a/gcc/config/cil32/cil-refs.c
+++ b/gcc/config/cil32/cil-refs.c
@@ -95,10 +95,13 @@ static GTY(()) VEC(tree, gc) *pending_ctors = NULL;
 void
 refs_init (void)
 {
-  ref_types = htab_create_ggc (32, ref_type_hash, ref_type_eq, NULL);
-  ref_pinvokes = htab_create_ggc (32, pinvoke_hash, pinvoke_eq, NULL);
-  ref_strings = htab_create_ggc (32, str_ref_hash, str_ref_eq, NULL);
-  labels_map = htab_create_ggc (32, label_addr_hash, label_addr_eq, NULL);
+  if (ref_types == NULL)
+    {
+      ref_types = htab_create_ggc (32, ref_type_hash, ref_type_eq, NULL);
+      ref_strings = htab_create_ggc (32, str_ref_hash, str_ref_eq, NULL);
+      labels_map = htab_create_ggc (32, label_addr_hash, label_addr_eq, NULL);
+      ref_pinvokes = htab_create_ggc (32, pinvoke_hash, pinvoke_eq, NULL);
+    }
 }
 
 /* Tears down the database of referenced entities. */
@@ -855,6 +858,13 @@ referenced_strings_htab ( void )
  * Functions                                                                  *
  ******************************************************************************/
 
+static void
+init_pinvokes ( void )
+{
+  if (ref_pinvokes == NULL)
+    ref_pinvokes = htab_create_ggc (32, pinvoke_hash, pinvoke_eq, NULL);
+}
+
 /* Hash function for pinvokes */
 
 static hashval_t
@@ -885,6 +895,8 @@ add_pinvoke (tree t)
 
   gcc_assert (TREE_CODE (t) == FUNCTION_DECL);
 
+  refs_init ();
+
   slot = htab_find_slot (ref_pinvokes, t, INSERT);
 
   if (*slot == NULL)
diff --git a/gcc/config/cil32/emit-cil.c b/gcc/config/cil32/emit-cil.c
index 12d26470eca..618bea4c951 100644
--- a/gcc/config/cil32/emit-cil.c
+++ b/gcc/config/cil32/emit-cil.c
@@ -80,12 +80,6 @@ DEF_VEC_O(var_uses_s);
 DEF_VEC_ALLOC_O(var_uses_s, heap);
 
 /******************************************************************************
- * Globals                                                                    *
- ******************************************************************************/
-
-static bool init = false;
-
-/******************************************************************************
  * Local function prototypes                                                  *
  ******************************************************************************/
 
@@ -148,8 +142,6 @@ emit_cil_init (void)
 {
   FILE *file = asm_out_file;
 
-  gcc_assert (!init);
-
   if (TARGET_GCC4NET_LINKER)
     {
       fputs (".assembly extern mscorlib {}\n"
@@ -170,15 +162,11 @@ emit_cil_init (void)
 	     "void ['OpenSystem.C']'OpenSystem.C'.ModuleAttribute::.ctor() "
 	     "= (01 00 00 00)\n", file);
     }
-
-  init = true;
 }
 
 void
 emit_cil_fini (void)
 {
-  gcc_assert (init);
-
   create_init_method ();
   emit_referenced_strings ();
   emit_referenced_types ();
@@ -188,6 +176,11 @@ emit_cil_fini (void)
 void
 emit_cil_decl (FILE *file, tree decl)
 {
+  if (flag_syntax_only)
+    return;
+
+  refs_init ();
+
   if (TREE_CODE (decl) == VAR_DECL
       && (TREE_STATIC (decl) || TREE_PUBLIC (decl)))
     {
@@ -2436,7 +2429,7 @@ emit_cil_1 (FILE *file)
 static bool
 emit_cil_gate (void)
 {
-  return current_function_decl != NULL;
+  return (current_function_decl != NULL) && !flag_syntax_only;
 }
 
 /* Entry point of the CIL assembly emission pass.  */
@@ -2542,7 +2535,9 @@ emit_vcg_fini (void)
 static bool
 emit_cil_vcg_gate (void)
 {
-  return TARGET_EMIT_VCG && current_function_decl != NULL;
+  return TARGET_EMIT_VCG
+	 && (current_function_decl != NULL)
+	 && !flag_syntax_only;
 }
 
 static unsigned int
diff --git a/gcc/config/cil32/gimple-to-cil.c b/gcc/config/cil32/gimple-to-cil.c
index 7b05aa853d6..3e2e828de56 100644
--- a/gcc/config/cil32/gimple-to-cil.c
+++ b/gcc/config/cil32/gimple-to-cil.c
@@ -3362,6 +3362,7 @@ gimple_to_cil (void)
   tree node = NULL_TREE;
 
   /* Initialization */
+  refs_init ();
   res_var = NULL_TREE;
 
   /* Preprocessing */