re PR middle-end/9967 (Some standard C function calls should not be replaced when optimizing for size)

gcc:
	PR middle-end/9967
	* builtins.c (expand_builtin_fputs): When optimizing for size,
	don't transform fputs into fwrite.
testsuite:
	PR middle-end/9967
	* gcc.c-torture/execute/stdio-opt-1.c: Adjust test for change to
	builtin fputs.

From-SVN: r65033

gcc/ChangeLog

@@ -1,3 +1,9 @@
+2003-03-29  Arpad Beszedes <beszedes@cc.u-szeged.hu>
+
+	PR middle-end/9967
+	* builtins.c (expand_builtin_fputs): When optimizing for size,
+	don't transform fputs into fwrite.
+
 2003-03-29  Albert Chin-A-Young  <china@thewrittenword.com>
 	DJ Delorie  <dj at redhat dot com>,
 	Bruce Korb  <bkorb at gnu dot org>

gcc/builtins.c

@@ -3385,8 +3385,12 @@ expand_builtin_fputs (arglist, ignore, unlocked)
       /* FALLTHROUGH */
     case 1: /* length is greater than 1, call fwrite.  */
       {
-	tree string_arg = TREE_VALUE (arglist);
+	tree string_arg;
 
+	/* If optimizing for size keep fputs. */
+	if (optimize_size)
+	  return 0;
+	string_arg = TREE_VALUE (arglist);
 	/* New argument list transforming fputs(string, stream) to
 	   fwrite(string, 1, len, stream).  */
 	arglist = build_tree_list (NULL_TREE, TREE_VALUE (TREE_CHAIN (arglist)));

gcc/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2003-03-29  Arpad Beszedes <beszedes@cc.u-szeged.hu>
+
+	PR middle-end/9967
+	* gcc.c-torture/execute/stdio-opt-1.c: Adjust test for change to
+	builtin fputs.
+
 2003-03-29  Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
 
 	* gcc.dg/20030323-1.c: New test.

gcc/testsuite/gcc.c-torture/execute/stdio-opt-1.c

@@ -54,7 +54,7 @@ int main()
   return 0;
 }
 
-#ifdef __OPTIMIZE__
+#if defined (__OPTIMIZE__) && ! defined (__OPTIMIZE_SIZE__)
 /* When optimizing, all the above cases should be transformed into
    something else.  So any remaining calls to the original function
    should abort.  */