re PR target/21051 (sync tests ICE on ia64)

        PR target/21051
        * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
        Use the mode of boolean_type_node when the user doesn't provide one.
        * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.

From-SVN: r98239

gcc/ChangeLog

+2005-04-16  Richard Henderson  <rth@redhat.com>
+
+	PR target/21051
+	* builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
+	Use the mode of boolean_type_node when the user doesn't provide one.
+	* config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
+
 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR target/20126

gcc/builtins.c

@@ -6178,6 +6178,8 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
     case BUILT_IN_BOOL_COMPARE_AND_SWAP_2:
     case BUILT_IN_BOOL_COMPARE_AND_SWAP_4:
     case BUILT_IN_BOOL_COMPARE_AND_SWAP_8:
+      if (mode == VOIDmode)
+	mode = TYPE_MODE (boolean_type_node);
       if (!target || !register_operand (target, mode))
 	target = gen_reg_rtx (mode);
       target = expand_builtin_compare_and_swap (arglist, true, target);

gcc/config/ia64/sync.md

@@ -114,7 +114,7 @@
 
 (define_expand "sync_lock_release<mode>"
   [(set (match_operand:I48MODE 0 "memory_operand" "")
-        (const_int 0))]
+	(match_operand:I48MODE 1 "gr_reg_or_0_operand" ""))]
   ""
 {
   gcc_assert (MEM_VOLATILE_P (operands[0]));