builtins.c (expand_builtin): Change the default behavior to only issue an error if...

	* builtins.c (expand_builtin):  Change the default behavior to
	only issue an error if the builtin function doesn't have a
	fallback library call.  Remove several cases handled by the
	new default.

From-SVN: r55860

gcc/ChangeLog

+2002-07-29  Roger Sayle  <roger@eyesopen.com>
+
+	* builtins.c (expand_builtin):  Change the default behavior to
+	only issue an error if the builtin function doesn't have a 
+	fallback library call.  Remove several cases handled by the
+	new default.
+
 2002-07-29  John David Anglin  <dave@hiauly1.hia.nrc>
 
 	* real.c (ieee_24, ieee_53, ieee_64, ieee_113): Define only if the

gcc/builtins.c

@@ -3776,9 +3776,6 @@ expand_builtin (exp, target, subtarget, mode, ignore)
 	return target;
       break;
 
-    case BUILT_IN_FMOD:
-      break;
-
     case BUILT_IN_APPLY_ARGS:
       return expand_builtin_apply_args ();
 
@@ -3999,15 +3996,6 @@ expand_builtin (exp, target, subtarget, mode, ignore)
       expand_builtin_trap ();
       return const0_rtx;
 
-    case BUILT_IN_PUTCHAR:
-    case BUILT_IN_PUTS:
-    case BUILT_IN_FPUTC:
-    case BUILT_IN_FWRITE:
-    case BUILT_IN_PUTCHAR_UNLOCKED:
-    case BUILT_IN_PUTS_UNLOCKED:
-    case BUILT_IN_FPUTC_UNLOCKED:
-    case BUILT_IN_FWRITE_UNLOCKED:
-      break;
     case BUILT_IN_FPUTS:
       target = expand_builtin_fputs (arglist, ignore,/*unlocked=*/ 0);
       if (target)
@@ -4058,9 +4046,10 @@ expand_builtin (exp, target, subtarget, mode, ignore)
       return const0_rtx;
 
 
-    default:			/* just do library call, if unknown builtin */
-      error ("built-in function `%s' not currently supported",
-	     IDENTIFIER_POINTER (DECL_NAME (fndecl)));
+    default:	/* just do library call, if unknown builtin */
+      if (!DECL_ASSEMBLER_NAME_SET_P (fndecl))
+	error ("built-in function `%s' not currently supported",
+	       IDENTIFIER_POINTER (DECL_NAME (fndecl)));
     }
 
   /* The switch statement above can drop through to cause the function