diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 51 |
1 files changed, 29 insertions, 22 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index c1b1f71..738c8a5 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -127,7 +127,8 @@ static int constant_pool_expr_1 PARAMS ((rtx, int *, int *)); static void rs6000_free_machine_status PARAMS ((struct function *)); static void rs6000_init_machine_status PARAMS ((struct function *)); static int rs6000_ra_ever_killed PARAMS ((void)); -static int rs6000_valid_type_attribute_p PARAMS ((tree, tree, tree, tree)); +static tree rs6000_handle_longcall_attribute PARAMS ((tree *, tree, tree, int, bool *)); +const struct attribute_spec rs6000_attribute_table[]; static void rs6000_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT)); static void rs6000_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT)); static rtx rs6000_emit_set_long_const PARAMS ((rtx, @@ -184,8 +185,8 @@ static char alt_reg_names[][8] = #endif /* Initialize the GCC target structure. */ -#undef TARGET_VALID_TYPE_ATTRIBUTE -#define TARGET_VALID_TYPE_ATTRIBUTE rs6000_valid_type_attribute_p +#undef TARGET_ATTRIBUTE_TABLE +#define TARGET_ATTRIBUTE_TABLE rs6000_attribute_table #undef TARGET_ASM_FUNCTION_PROLOGUE #define TARGET_ASM_FUNCTION_PROLOGUE rs6000_output_function_prologue @@ -8123,28 +8124,34 @@ rs6000_initialize_trampoline (addr, fnaddr, cxt) } -/* If defined, a C expression whose value is nonzero if IDENTIFIER - with arguments ARGS is a valid machine specific attribute for TYPE. - The attributes in ATTRIBUTES have previously been assigned to TYPE. */ - -static int -rs6000_valid_type_attribute_p (type, attributes, identifier, args) - tree type; - tree attributes ATTRIBUTE_UNUSED; - tree identifier; - tree args; +/* Table of valid machine attributes. */ +const struct attribute_spec rs6000_attribute_table[] = { - if (TREE_CODE (type) != FUNCTION_TYPE - && TREE_CODE (type) != FIELD_DECL - && TREE_CODE (type) != TYPE_DECL) - return 0; + /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ + { "longcall", 0, 0, false, true, true, rs6000_handle_longcall_attribute }, + { NULL, 0, 0, false, false, false, NULL } +}; - /* Longcall attribute says that the function is not within 2**26 bytes - of the current function, and to do an indirect call. */ - if (is_attribute_p ("longcall", identifier)) - return (args == NULL_TREE); +/* Handle a "longcall" attribute; + arguments as in struct attribute_spec.handler. */ +static tree +rs6000_handle_longcall_attribute (node, name, args, flags, no_add_attrs) + tree *node; + tree name; + tree args ATTRIBUTE_UNUSED; + int flags ATTRIBUTE_UNUSED; + bool *no_add_attrs; +{ + if (TREE_CODE (*node) != FUNCTION_TYPE + && TREE_CODE (*node) != FIELD_DECL + && TREE_CODE (*node) != TYPE_DECL) + { + warning ("`%s' attribute only applies to functions", + IDENTIFIER_POINTER (name)); + *no_add_attrs = true; + } - return 0; + return NULL_TREE; } /* Return a reference suitable for calling a function with the |