diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/c4x/c4x.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/gcc/config/c4x/c4x.c b/gcc/config/c4x/c4x.c index 8fe4286..4fe50b2 100644 --- a/gcc/config/c4x/c4x.c +++ b/gcc/config/c4x/c4x.c @@ -165,11 +165,12 @@ tree data_tree = NULL_TREE; tree pure_tree = NULL_TREE; tree noreturn_tree = NULL_TREE; tree interrupt_tree = NULL_TREE; +tree naked_tree = NULL_TREE; /* Forward declarations */ static int c4x_isr_reg_used_p PARAMS ((unsigned int)); static int c4x_leaf_function_p PARAMS ((void)); -static int c4x_assembler_function_p PARAMS ((void)); +static int c4x_naked_function_p PARAMS ((void)); static int c4x_immed_float_p PARAMS ((rtx)); static int c4x_a_register PARAMS ((rtx)); static int c4x_x_register PARAMS ((rtx)); @@ -785,13 +786,12 @@ c4x_leaf_function_p () static int -c4x_assembler_function_p () +c4x_naked_function_p () { tree type; type = TREE_TYPE (current_function_decl); - return (lookup_attribute ("assembler", TYPE_ATTRIBUTES (type)) != NULL) - || (lookup_attribute ("naked", TYPE_ATTRIBUTES (type)) != NULL); + return lookup_attribute ("naked", TYPE_ATTRIBUTES (type)) != NULL; } @@ -824,8 +824,8 @@ c4x_expand_prologue () is used so it won't needlessly push the frame pointer. */ int dont_push_ar3; - /* For __assembler__ function don't build a prologue. */ - if (c4x_assembler_function_p ()) + /* For __naked__ function don't build a prologue. */ + if (c4x_naked_function_p ()) { return; } @@ -1011,8 +1011,8 @@ c4x_expand_epilogue() rtx insn; int size = get_frame_size (); - /* For __assembler__ function build no epilogue. */ - if (c4x_assembler_function_p ()) + /* For __naked__ function build no epilogue. */ + if (c4x_naked_function_p ()) { insn = emit_jump_insn (gen_return_from_epilogue ()); RTX_FRAME_RELATED_P (insn) = 1; @@ -1207,7 +1207,7 @@ c4x_null_epilogue_p () int regno; if (reload_completed - && ! c4x_assembler_function_p () + && ! c4x_naked_function_p () && ! c4x_interrupt_function_p () && ! current_function_calls_alloca && ! current_function_args_size @@ -1217,10 +1217,10 @@ c4x_null_epilogue_p () for (regno = FIRST_PSEUDO_REGISTER - 1; regno >= 0; regno--) if (regs_ever_live[regno] && ! call_used_regs[regno] && (regno != AR3_REGNO)) - return 0; - return 1; + return 1; + return 0; } - return 0; + return 1; } @@ -4608,6 +4608,7 @@ c4x_insert_attributes (decl, attributes) c4x_check_attribute ("const", pure_tree, decl, attributes); c4x_check_attribute ("noreturn", noreturn_tree, decl, attributes); c4x_check_attribute ("interrupt", interrupt_tree, decl, attributes); + c4x_check_attribute ("naked", naked_tree, decl, attributes); break; case VAR_DECL: @@ -4624,9 +4625,7 @@ const struct attribute_spec c4x_attribute_table[] = { /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ { "interrupt", 0, 0, false, true, true, c4x_handle_fntype_attribute }, - /* FIXME: code elsewhere in this file treats "naked" as a synonym of - "interrupt"; should it be accepted here? */ - { "assembler", 0, 0, false, true, true, c4x_handle_fntype_attribute }, + { "naked", 0, 0, false, true, true, c4x_handle_fntype_attribute }, { "leaf_pretend", 0, 0, false, true, true, c4x_handle_fntype_attribute }, { NULL, 0, 0, false, false, false, NULL } }; |