* function.c (reference_callee_copied): New.

        (assign_parm_setup_reg): Use it.
        * calls.c (initialize_argument_information): Likewise.
        (emit_library_call_value_1): Likewise.
        * function.h (reference_callee_copied): Declare.

        * target.h (struct gcc_target): Add callee_copies.
        * target-def.h (TARGET_CALLEE_COPIES): New.
        (TARGET_PASS_BY_REFERENCE): Update default.
        * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * targhooks.c (hook_callee_copies_named): New.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
        hook_pass_by_reference_false.
        (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
        * targhooks.h: Update decls.
        * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
        * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
        * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
        * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
        (mips_callee_copies): New.
        * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
        * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
        * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
        * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/sh/sh.c (sh_callee_copies): New.
        (TARGET_CALLEE_COPIES): New.
        * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
        * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
        * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
        for FUNCTION_ARG_CALLEE_COPIES.
        * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87195 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 4 deletions

diff --git a/gcc/targhooks.h b/gcc/targhooks.h
index 8745f7eb5b7..bbdfacdc0a5 100644
--- a/gcc/targhooks.h
+++ b/gcc/targhooks.h
@@ -28,22 +28,31 @@ extern bool default_return_in_memory (tree, tree);
 extern rtx default_expand_builtin_saveregs (void);
 extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
 extern rtx default_builtin_setjmp_frame_value (void);
-extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
 extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
 
 extern enum machine_mode default_eh_return_filter_mode (void);
 extern unsigned HOST_WIDE_INT default_shift_truncation_mask
   (enum machine_mode);
 
-extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
 extern tree default_cxx_guard_type (void);
 extern tree default_cxx_get_cookie_size (tree);
 
-extern bool hook_pass_by_reference_false
-  (CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
 extern bool hook_pass_by_reference_must_pass_in_stack
   (CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool);
+extern bool hook_callee_copies_named
+  (CUMULATIVE_ARGS *ca, enum machine_mode, tree, bool);
 
 extern void default_unwind_emit (FILE *, rtx);
 
 extern bool default_scalar_mode_supported_p (enum machine_mode);
+
+/* These are here, and not in hooks.[ch], because not all users of
+   hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS.  */
+
+extern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *);
+extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
+
+extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false
+  (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);
+extern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true
+  (CUMULATIVE_ARGS *, enum machine_mode, tree, bool);