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riscv-gcc-1
Commit e1968bba by Alan Modra Committed by Alan Modra
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rs6000.c: Delete unnecessary forward declarations. 

	* config/rs6000/rs6000.c: Delete unnecessary forward declarations.
	Move those with ATTRIBUTE_UNUSED to immediately before definitions.
	Move function pointer variables after forward declarations.
	(rs6000_builtin_support_vector_misalignment): Make static.
	(rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
	(rs6000_function_value, rs6000_can_eliminate): Likewise.

From-SVN: r187748
parent f2f9a097
Showing with 41 additions and 241 deletions
gcc/ChangeLog
2012-05-22 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000.c: Delete unnecessary forward declarations.
Move those with ATTRIBUTE_UNUSED to immediately before definitions.
Move function pointer variables after forward declarations.
(rs6000_builtin_support_vector_misalignment): Make static.
(rs6000_legitimate_address_p, rs6000_gimplify_va_arg): Likewise.
(rs6000_function_value, rs6000_can_eliminate): Likewise.
2012-05-21 Bernd Schmidt <bernds@codesourcery.com>
PR rtl-optimization/53373
......
gcc/config/rs6000/rs6000.c
......@@ -920,310 +920,103 @@ static const struct rs6000_builtin_info_type rs6000_builtin_info[] =
static tree (*rs6000_veclib_handler) (tree, tree, tree);
static bool rs6000_function_ok_for_sibcall (tree, tree);
static const char *rs6000_invalid_within_doloop (const_rtx);
static bool rs6000_legitimate_address_p (enum machine_mode, rtx, bool);
static bool rs6000_debug_legitimate_address_p (enum machine_mode, rtx, bool);
static rtx rs6000_generate_compare (rtx, enum machine_mode);
static bool spe_func_has_64bit_regs_p (void);
static rtx gen_frame_mem_offset (enum machine_mode, rtx, int);
static unsigned rs6000_hash_constant (rtx);
static unsigned toc_hash_function (const void *);
static int toc_hash_eq (const void *, const void *);
static bool reg_offset_addressing_ok_p (enum machine_mode);
static bool virtual_stack_registers_memory_p (rtx);
static bool constant_pool_expr_p (rtx);
static bool legitimate_small_data_p (enum machine_mode, rtx);
static bool legitimate_lo_sum_address_p (enum machine_mode, rtx, int);
static struct machine_function * rs6000_init_machine_status (void);
static bool rs6000_assemble_integer (rtx, unsigned int, int);
#if defined (HAVE_GAS_HIDDEN) && !TARGET_MACHO
static void rs6000_assemble_visibility (tree, int);
#endif
static int rs6000_ra_ever_killed (void);
static bool rs6000_attribute_takes_identifier_p (const_tree);
static tree rs6000_handle_longcall_attribute (tree *, tree, tree, int, bool *);
static tree rs6000_handle_altivec_attribute (tree *, tree, tree, int, bool *);
static bool rs6000_ms_bitfield_layout_p (const_tree);
static tree rs6000_handle_struct_attribute (tree *, tree, tree, int, bool *);
static void rs6000_eliminate_indexed_memrefs (rtx operands[2]);
static const char *rs6000_mangle_type (const_tree);
static void rs6000_set_default_type_attributes (tree);
static bool rs6000_reg_live_or_pic_offset_p (int);
static tree rs6000_builtin_vectorized_libmass (tree, tree, tree);
static tree rs6000_builtin_vectorized_function (tree, tree, tree);
static bool rs6000_output_addr_const_extra (FILE *, rtx);
static void rs6000_output_function_prologue (FILE *, HOST_WIDE_INT);
static void rs6000_output_function_epilogue (FILE *, HOST_WIDE_INT);
static void rs6000_output_mi_thunk (FILE *, tree, HOST_WIDE_INT, HOST_WIDE_INT,
tree);
static rtx rs6000_emit_set_long_const (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
static bool rs6000_return_in_memory (const_tree, const_tree);
static rtx rs6000_function_value (const_tree, const_tree, bool);
static void rs6000_file_start (void);
#if TARGET_ELF
static int rs6000_elf_reloc_rw_mask (void);
static void rs6000_elf_asm_out_constructor (rtx, int) ATTRIBUTE_UNUSED;
static void rs6000_elf_asm_out_destructor (rtx, int) ATTRIBUTE_UNUSED;
static void rs6000_elf_file_end (void) ATTRIBUTE_UNUSED;
static void rs6000_elf_asm_init_sections (void);
static section *rs6000_elf_select_rtx_section (enum machine_mode, rtx,
unsigned HOST_WIDE_INT);
static void rs6000_elf_encode_section_info (tree, rtx, int)
ATTRIBUTE_UNUSED;
#endif
static bool rs6000_use_blocks_for_constant_p (enum machine_mode, const_rtx);
static void rs6000_alloc_sdmode_stack_slot (void);
static void rs6000_instantiate_decls (void);
#if TARGET_XCOFF
static void rs6000_xcoff_asm_output_anchor (rtx);
static void rs6000_xcoff_asm_globalize_label (FILE *, const char *);
static void rs6000_xcoff_asm_init_sections (void);
static int rs6000_xcoff_reloc_rw_mask (void);
static void rs6000_xcoff_asm_named_section (const char *, unsigned int, tree);
static section *rs6000_xcoff_select_section (tree, int,
unsigned HOST_WIDE_INT);
static void rs6000_xcoff_unique_section (tree, int);
static section *rs6000_xcoff_select_rtx_section
(enum machine_mode, rtx, unsigned HOST_WIDE_INT);
static const char * rs6000_xcoff_strip_name_encoding (const char *);
static unsigned int rs6000_xcoff_section_type_flags (tree, const char *, int);
static void rs6000_xcoff_file_start (void);
static void rs6000_xcoff_file_end (void);
#endif
static int rs6000_variable_issue (FILE *, int, rtx, int);
static int rs6000_register_move_cost (enum machine_mode,
reg_class_t, reg_class_t);
static int rs6000_memory_move_cost (enum machine_mode, reg_class_t, bool);
static bool rs6000_rtx_costs (rtx, int, int, int, int *, bool);
static bool rs6000_debug_rtx_costs (rtx, int, int, int, int *, bool);
static int rs6000_debug_address_cost (rtx, bool);
static int rs6000_adjust_cost (rtx, rtx, rtx, int);
static int rs6000_debug_adjust_cost (rtx, rtx, rtx, int);
static void rs6000_sched_init (FILE *, int, int);
static bool is_microcoded_insn (rtx);
static bool is_nonpipeline_insn (rtx);
static bool is_cracked_insn (rtx);
static bool is_branch_slot_insn (rtx);
static bool is_load_insn (rtx);
static rtx get_store_dest (rtx pat);
static bool is_store_insn (rtx);
static bool set_to_load_agen (rtx,rtx);
static bool adjacent_mem_locations (rtx,rtx);
static int rs6000_adjust_priority (rtx, int);
static int rs6000_issue_rate (void);
static bool rs6000_is_costly_dependence (dep_t, int, int);
static rtx get_next_active_insn (rtx, rtx);
static bool insn_terminates_group_p (rtx , enum group_termination);
static bool insn_must_be_first_in_group (rtx);
static bool insn_must_be_last_in_group (rtx);
static bool is_costly_group (rtx *, rtx);
static int force_new_group (int, FILE *, rtx *, rtx, bool *, int, int *);
static int redefine_groups (FILE *, int, rtx, rtx);
static int pad_groups (FILE *, int, rtx, rtx);
static void rs6000_sched_finish (FILE *, int);
static int rs6000_sched_reorder (FILE *, int, rtx *, int *, int);
static int rs6000_sched_reorder2 (FILE *, int, rtx *, int *, int);
static int rs6000_use_sched_lookahead (void);
static int rs6000_use_sched_lookahead_guard (rtx);
static void * rs6000_alloc_sched_context (void);
static void rs6000_init_sched_context (void *, bool);
static void rs6000_set_sched_context (void *);
static void rs6000_free_sched_context (void *);
static tree rs6000_builtin_reciprocal (unsigned int, bool, bool);
static tree rs6000_builtin_mask_for_load (void);
static tree rs6000_builtin_mul_widen_even (tree);
static tree rs6000_builtin_mul_widen_odd (tree);
static bool rs6000_builtin_support_vector_misalignment (enum
machine_mode,
const_tree,
int, bool);
static int rs6000_builtin_vectorization_cost (enum vect_cost_for_stmt,
tree, int);
static enum machine_mode rs6000_preferred_simd_mode (enum machine_mode);
static void def_builtin (const char *, tree, enum rs6000_builtins);
static bool rs6000_vector_alignment_reachable (const_tree, bool);
static void rs6000_init_builtins (void);
static tree rs6000_builtin_decl (unsigned, bool);
static rtx rs6000_expand_unop_builtin (enum insn_code, tree, rtx);
static rtx rs6000_expand_binop_builtin (enum insn_code, tree, rtx);
static rtx rs6000_expand_ternop_builtin (enum insn_code, tree, rtx);
static rtx rs6000_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
static void altivec_init_builtins (void);
static unsigned builtin_hash_function (const void *);
static int builtin_hash_eq (const void *, const void *);
static tree builtin_function_type (enum machine_mode, enum machine_mode,
enum machine_mode, enum machine_mode,
enum rs6000_builtins, const char *name);
static void rs6000_common_init_builtins (void);
static void rs6000_init_libfuncs (void);
static void paired_init_builtins (void);
static rtx paired_expand_builtin (tree, rtx, bool *);
static rtx paired_expand_lv_builtin (enum insn_code, tree, rtx);
static rtx paired_expand_stv_builtin (enum insn_code, tree);
static rtx paired_expand_predicate_builtin (enum insn_code, tree, rtx);
static void spe_init_builtins (void);
static rtx spe_expand_builtin (tree, rtx, bool *);
static rtx spe_expand_stv_builtin (enum insn_code, tree);
static rtx spe_expand_predicate_builtin (enum insn_code, tree, rtx);
static rtx spe_expand_evsel_builtin (enum insn_code, tree, rtx);
static int rs6000_emit_int_cmove (rtx, rtx, rtx, rtx);
static rs6000_stack_t *rs6000_stack_info (void);
static void debug_stack_info (rs6000_stack_t *);
static rtx altivec_expand_builtin (tree, rtx, bool *);
static rtx altivec_expand_ld_builtin (tree, rtx, bool *);
static rtx altivec_expand_st_builtin (tree, rtx, bool *);
static rtx altivec_expand_dst_builtin (tree, rtx, bool *);
static rtx altivec_expand_abs_builtin (enum insn_code, tree, rtx);
static rtx altivec_expand_predicate_builtin (enum insn_code, tree, rtx);
static rtx altivec_expand_stv_builtin (enum insn_code, tree);
static rtx altivec_expand_vec_init_builtin (tree, tree, rtx);
static rtx altivec_expand_vec_set_builtin (tree);
static rtx altivec_expand_vec_ext_builtin (tree, rtx);
static int get_element_number (tree, tree);
static void rs6000_option_override (void);
static int rs6000_loop_align_max_skip (rtx);
static int first_altivec_reg_to_save (void);
static unsigned int compute_vrsave_mask (void);
static void compute_save_world_info (rs6000_stack_t *info_ptr);
static void is_altivec_return_reg (rtx, void *);
static rtx generate_set_vrsave (rtx, rs6000_stack_t *, int);
int easy_vector_constant (rtx, enum machine_mode);
static rtx rs6000_dwarf_register_span (rtx);
static void rs6000_init_dwarf_reg_sizes_extra (tree);
static rtx rs6000_legitimize_address (rtx, rtx, enum machine_mode);
static rtx rs6000_debug_legitimize_address (rtx, rtx, enum machine_mode);
static rtx rs6000_legitimize_tls_address (rtx, enum tls_model);
static void rs6000_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
static rtx rs6000_delegitimize_address (rtx);
static bool rs6000_const_not_ok_for_debug_p (rtx);
static rtx rs6000_tls_get_addr (void);
static rtx rs6000_got_sym (void);
static int rs6000_tls_symbol_ref_1 (rtx *, void *);
static const char *rs6000_get_some_local_dynamic_name (void);
static int rs6000_get_some_local_dynamic_name_1 (rtx *, void *);
static rtx rs6000_complex_function_value (enum machine_mode);
static rtx rs6000_spe_function_arg (const CUMULATIVE_ARGS *,
enum machine_mode, const_tree);
static void rs6000_darwin64_record_arg_advance_flush (CUMULATIVE_ARGS *,
HOST_WIDE_INT, int);
static void rs6000_darwin64_record_arg_advance_recurse (CUMULATIVE_ARGS *,
const_tree,
HOST_WIDE_INT);
static void rs6000_darwin64_record_arg_flush (CUMULATIVE_ARGS *,
HOST_WIDE_INT,
rtx[], int *);
static void rs6000_darwin64_record_arg_recurse (CUMULATIVE_ARGS *,
const_tree, HOST_WIDE_INT,
rtx[], int *);
static rtx rs6000_darwin64_record_arg (CUMULATIVE_ARGS *, const_tree, bool, bool);
static rtx rs6000_mixed_function_arg (enum machine_mode, const_tree, int);
static void rs6000_function_arg_advance (cumulative_args_t, enum machine_mode,
const_tree, bool);
static rtx rs6000_function_arg (cumulative_args_t, enum machine_mode,
const_tree, bool);
static unsigned int rs6000_function_arg_boundary (enum machine_mode,
const_tree);
static void rs6000_move_block_from_reg (int regno, rtx x, int nregs);
static void setup_incoming_varargs (cumulative_args_t,
enum machine_mode, tree,
int *, int);
static bool rs6000_pass_by_reference (cumulative_args_t, enum machine_mode,
const_tree, bool);
static int rs6000_arg_partial_bytes (cumulative_args_t, enum machine_mode,
tree, bool);
static const char *invalid_arg_for_unprototyped_fn (const_tree, const_tree, const_tree);
static rtx rs6000_darwin64_record_arg (CUMULATIVE_ARGS *, const_tree,
bool, bool);
#if TARGET_MACHO
static void macho_branch_islands (void);
static int no_previous_def (tree function_name);
static tree get_prev_label (tree function_name);
static void rs6000_darwin_file_start (void);
#endif
static tree rs6000_build_builtin_va_list (void);
static void rs6000_va_start (tree, rtx);
static tree rs6000_gimplify_va_arg (tree, tree, gimple_seq *, gimple_seq *);
static bool rs6000_must_pass_in_stack (enum machine_mode, const_tree);
static bool rs6000_scalar_mode_supported_p (enum machine_mode);
static bool rs6000_vector_mode_supported_p (enum machine_mode);
static rtx rs6000_emit_vector_compare_inner (enum rtx_code, rtx, rtx);
static rtx rs6000_emit_vector_compare (enum rtx_code, rtx, rtx,
enum machine_mode);
static tree rs6000_stack_protect_fail (void);
static rtx rs6000_legitimize_reload_address (rtx, enum machine_mode, int, int,
int, int *);
static rtx rs6000_debug_legitimize_reload_address (rtx, enum machine_mode, int,
int, int, int *);
rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode, int, int,
int, int *)
= rs6000_legitimize_reload_address;
static bool rs6000_mode_dependent_address_p (const_rtx);
static bool rs6000_mode_dependent_address (const_rtx);
static bool rs6000_debug_mode_dependent_address (const_rtx);
static bool (*rs6000_mode_dependent_address_ptr) (const_rtx)
= rs6000_mode_dependent_address;
static enum reg_class rs6000_secondary_reload_class (enum reg_class,
enum machine_mode, rtx);
static enum reg_class rs6000_debug_secondary_reload_class (enum reg_class,
enum machine_mode,
rtx);
enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
enum machine_mode, rtx)
= rs6000_secondary_reload_class;
static enum reg_class rs6000_preferred_reload_class (rtx, enum reg_class);
static enum reg_class rs6000_debug_preferred_reload_class (rtx,
enum reg_class);
enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, enum reg_class)
= rs6000_preferred_reload_class;
static bool rs6000_secondary_memory_needed (enum reg_class, enum reg_class,
enum machine_mode);
static bool rs6000_debug_secondary_memory_needed (enum reg_class,
enum reg_class,
enum machine_mode);
bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, enum reg_class,
enum machine_mode)
= rs6000_secondary_memory_needed;
static bool rs6000_cannot_change_mode_class (enum machine_mode,
enum machine_mode,
enum reg_class);
static bool rs6000_debug_cannot_change_mode_class (enum machine_mode,
enum machine_mode,
enum reg_class);
static bool rs6000_save_toc_in_prologue_p (void);
rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode, int, int,
int, int *)
= rs6000_legitimize_reload_address;
static bool (*rs6000_mode_dependent_address_ptr) (const_rtx)
= rs6000_mode_dependent_address;
enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
enum machine_mode, rtx)
= rs6000_secondary_reload_class;
enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, enum reg_class)
= rs6000_preferred_reload_class;
bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, enum reg_class,
enum machine_mode)
= rs6000_secondary_memory_needed;
bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
enum machine_mode,
enum reg_class)
= rs6000_cannot_change_mode_class;
static reg_class_t rs6000_secondary_reload (bool, rtx, reg_class_t,
enum machine_mode,
struct secondary_reload_info *);
const int INSN_NOT_AVAILABLE = -1;
static enum machine_mode rs6000_eh_return_filter_mode (void);
static bool rs6000_can_eliminate (const int, const int);
static void rs6000_conditional_register_usage (void);
static void rs6000_trampoline_init (rtx, tree, rtx);
static bool rs6000_cannot_force_const_mem (enum machine_mode, rtx);
static bool rs6000_legitimate_constant_p (enum machine_mode, rtx);
static bool rs6000_save_toc_in_prologue_p (void);
static void rs6000_code_end (void) ATTRIBUTE_UNUSED;
static void rs6000_set_up_by_prologue (struct hard_reg_set_container *);
/* Hash table stuff for keeping track of TOC entries. */
......@@ -1249,14 +1042,6 @@ struct GTY(()) builtin_hash_struct
static GTY ((param_is (struct builtin_hash_struct))) htab_t builtin_hash_table;
static bool rs6000_valid_attribute_p (tree, tree, tree, int);
static void rs6000_function_specific_save (struct cl_target_option *);
static void rs6000_function_specific_restore (struct cl_target_option *);
static void rs6000_function_specific_print (FILE *, int,
struct cl_target_option *);
static bool rs6000_can_inline_p (tree, tree);
static void rs6000_set_current_function (tree);
/* Default register names. */
char rs6000_reg_names[][8] =
......@@ -3523,7 +3308,7 @@ rs6000_vector_alignment_reachable (const_tree type ATTRIBUTE_UNUSED, bool is_pac
/* Return true if the vector misalignment factor is supported by the
target. */
bool
static bool
rs6000_builtin_support_vector_misalignment (enum machine_mode mode,
const_tree type,
int misalignment,
......@@ -5787,6 +5572,7 @@ rs6000_debug_legitimize_address (rtx x, rtx oldx, enum machine_mode mode)
/* This is called from dwarf2out.c via TARGET_ASM_OUTPUT_DWARF_DTPREL.
We need to emit DTP-relative relocations. */
static void rs6000_output_dwarf_dtprel (FILE *, int, rtx) ATTRIBUTE_UNUSED;
static void
rs6000_output_dwarf_dtprel (FILE *file, int size, rtx x)
{
......@@ -6419,7 +6205,7 @@ rs6000_debug_legitimize_reload_address (rtx x, enum machine_mode mode,
32-bit DImode, TImode, TFmode, TDmode), indexed addressing cannot be used
because adjacent memory cells are accessed by adding word-sized offsets
during assembly output. */
bool
static bool
rs6000_legitimate_address_p (enum machine_mode mode, rtx x, bool reg_ok_strict)
{
bool reg_offset_p = reg_offset_addressing_ok_p (mode);
......@@ -9207,7 +8993,7 @@ rs6000_va_start (tree valist, rtx nextarg)
/* Implement va_arg. */
tree
static tree
rs6000_gimplify_va_arg (tree valist, tree type, gimple_seq *pre_p,
gimple_seq *post_p)
{
......@@ -24740,6 +24526,7 @@ rs6000_elf_select_rtx_section (enum machine_mode mode, rtx x,
function descriptor name. This saves a lot of overriding code to
read the prefixes. */
static void rs6000_elf_encode_section_info (tree, rtx, int) ATTRIBUTE_UNUSED;
static void
rs6000_elf_encode_section_info (tree decl, rtx rtl, int first)
{
......@@ -25252,6 +25039,7 @@ rs6000_elf_reloc_rw_mask (void)
This differs from default_named_section_asm_out_constructor in
that we have special handling for -mrelocatable. */
static void rs6000_elf_asm_out_constructor (rtx, int) ATTRIBUTE_UNUSED;
static void
rs6000_elf_asm_out_constructor (rtx symbol, int priority)
{
......@@ -25281,6 +25069,7 @@ rs6000_elf_asm_out_constructor (rtx symbol, int priority)
assemble_integer (symbol, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
}
static void rs6000_elf_asm_out_destructor (rtx, int) ATTRIBUTE_UNUSED;
static void
rs6000_elf_asm_out_destructor (rtx symbol, int priority)
{
......@@ -25386,6 +25175,7 @@ rs6000_elf_declare_function_name (FILE *file, const char *name, tree decl)
ASM_OUTPUT_LABEL (file, name);
}
static void rs6000_elf_file_end (void) ATTRIBUTE_UNUSED;
static void
rs6000_elf_file_end (void)
{
......@@ -26931,7 +26721,7 @@ rs6000_complex_function_value (enum machine_mode mode)
On RS/6000 an integer value is in r3 and a floating-point value is in
fp1, unless -msoft-float. */
rtx
static rtx
rs6000_function_value (const_tree valtype,
const_tree fn_decl_or_type ATTRIBUTE_UNUSED,
bool outgoing ATTRIBUTE_UNUSED)
......@@ -27078,7 +26868,7 @@ rs6000_libcall_value (enum machine_mode mode)
We need r30 if -mminimal-toc was specified, and there are constant pool
references. */
bool
static bool
rs6000_can_eliminate (const int from, const int to)
{
return (from == ARG_POINTER_REGNUM && to == STACK_POINTER_REGNUM
......@@ -28205,6 +27995,7 @@ get_ppc476_thunk_name (char name[32])
/* This function emits the simple thunk routine that is used to preserve
the link stack on the 476 cpu. */
static void rs6000_code_end (void) ATTRIBUTE_UNUSED;
static void
rs6000_code_end (void)
{
......
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