X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Ffunction.h;h=addf21365d43c9a826c7296bf176e00299df1a74;hb=56826b58158ef6eb7bbcea03dfd15dbed65b9199;hp=bd19e3d4450d8d434265721ea44d96b57ce63abe;hpb=fbac255ac3fa1a151e550cfaa835c561ec2cd280;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/function.h b/gcc/function.h index bd19e3d4450..addf21365d4 100644 --- a/gcc/function.h +++ b/gcc/function.h @@ -40,7 +40,6 @@ struct sequence_stack GTY(()) /* First and last insns in the chain of the saved sequence. */ rtx first; rtx last; - tree sequence_rtl_expr; struct sequence_stack *next; }; @@ -66,16 +65,11 @@ struct emit_status GTY(()) /* The ends of the doubly-linked chain of rtl for the current function. Both are reset to null at the start of rtl generation for the function. - start_sequence saves both of these on `sequence_stack' along with - `sequence_rtl_expr' and then starts a new, nested sequence of insns. */ + start_sequence saves both of these on `sequence_stack' and then starts + a new, nested sequence of insns. */ rtx x_first_insn; rtx x_last_insn; - /* RTL_EXPR within which the current sequence will be placed. Use to - prevent reuse of any temporaries within the sequence until after the - RTL_EXPR is emitted. */ - tree sequence_rtl_expr; - /* Stack of pending (incomplete) sequences saved by `start_sequence'. Each element describes one pending sequence. The main insn-chain is saved in the last element of the chain, @@ -103,16 +97,12 @@ struct emit_status GTY(()) regno_pointer_align; /* Indexed by pseudo register number, gives the rtx for that pseudo. - Allocated in parallel with regno_pointer_align. - - Note MEM expressions can appear in this array due to the actions - of put_var_into_stack. */ + Allocated in parallel with regno_pointer_align. */ rtx * GTY ((length ("%h.x_reg_rtx_no"))) x_regno_reg_rtx; }; /* For backward compatibility... eventually these should all go away. */ #define reg_rtx_no (cfun->emit->x_reg_rtx_no) -#define seq_rtl_expr (cfun->emit->sequence_rtl_expr) #define regno_reg_rtx (cfun->emit->x_regno_reg_rtx) #define seq_stack (cfun->emit->sequence_stack) @@ -157,9 +147,6 @@ struct expr_status GTY(()) /* List of labels that must never be deleted. */ rtx x_forced_labels; - - /* Postincrements that still need to be expanded. */ - rtx x_pending_chain; }; #define pending_stack_adjust (cfun->expr->x_pending_stack_adjust) @@ -167,7 +154,6 @@ struct expr_status GTY(()) #define saveregs_value (cfun->expr->x_saveregs_value) #define apply_args_value (cfun->expr->x_apply_args_value) #define forced_labels (cfun->expr->x_forced_labels) -#define pending_chain (cfun->expr->x_pending_chain) #define stack_pointer_delta (cfun->expr->x_stack_pointer_delta) /* This structure can save all the important global and static variables @@ -176,7 +162,6 @@ struct expr_status GTY(()) struct function GTY(()) { struct eh_status *eh; - struct stmt_status *stmt; struct expr_status *expr; struct emit_status *emit; struct varasm_status *varasm; @@ -187,6 +172,7 @@ struct function GTY(()) inlining */ tree saved_tree; tree saved_args; + tree saved_static_chain_decl; /* For function.c. */ @@ -232,27 +218,14 @@ struct function GTY(()) /* The arg pointer hard register, or the pseudo into which it was copied. */ rtx internal_arg_pointer; - /* Language-specific reason why the current function cannot be made - inline. */ - const char *cannot_inline; - /* Opaque pointer used by get_hard_reg_initial_val and has_hard_reg_initial_val (see integrate.[hc]). */ struct initial_value_struct *hard_reg_initial_vals; - /* Number of function calls seen so far in current function. */ - int x_function_call_count; - /* List (chain of EXPR_LIST) of labels heading the current handlers for nonlocal gotos. */ rtx x_nonlocal_goto_handler_labels; - /* Label that will go on parm cleanup code, if any. - Jumping to this label runs cleanup code for parameters, if - such code must be run. Following this code is the logical return - label. */ - rtx x_cleanup_label; - /* Label that will go on function epilogue. Jumping to this label serves as a "return" instruction on machines which require execution of the epilogue on all returns. */ @@ -263,21 +236,10 @@ struct function GTY(()) on machines which require execution of the epilogue on all returns. */ rtx x_naked_return_label; - /* Label and register for unswitching computed gotos. */ - rtx computed_goto_common_label; - rtx computed_goto_common_reg; - - /* List (chain of EXPR_LISTs) of pseudo-regs of SAVE_EXPRs. - So we can mark them all live at the end of the function, if nonopt. */ - rtx x_save_expr_regs; - /* List (chain of EXPR_LISTs) of all stack slots in this function. Made for the sake of unshare_all_rtl. */ rtx x_stack_slot_list; - /* Chain of all RTL_EXPRs that have insns in them. */ - tree x_rtl_expr_chain; - /* Place after which to insert the tail_recursion_label if we need one. */ rtx x_tail_recursion_reentry; @@ -292,7 +254,7 @@ struct function GTY(()) If stack grows up, this is the address for the next slot. */ HOST_WIDE_INT x_frame_offset; - /* A VAR_DECL that should contain the static chain for this function. + /* A PARM_DECL that should contain the static chain for this function. It will be initialized at the beginning of the function. */ tree static_chain_decl; @@ -304,20 +266,6 @@ struct function GTY(()) /* Insn after which register parms and SAVE_EXPRs are born, if nonopt. */ rtx x_parm_birth_insn; - /* Last insn of those whose job was to put parms into their nominal - homes. */ - rtx x_last_parm_insn; - - /* 1 + last pseudo register number possibly used for loading a copy - of a parameter of this function. */ - unsigned int x_max_parm_reg; - - /* Vector indexed by REGNO, containing location on stack in which - to put the parm which is nominally in pseudo register REGNO, - if we discover that that parm must go in the stack. The highest - element in this vector is one less than MAX_PARM_REG, above. */ - rtx * GTY ((length ("%h.x_max_parm_reg"))) x_parm_reg_stack_loc; - /* List of all used temporaries allocated, by level. */ struct varray_head_tag * GTY((param_is (struct temp_slot))) x_used_temp_slots; @@ -327,15 +275,6 @@ struct function GTY(()) /* Current nesting level for temporaries. */ int x_temp_slot_level; - /* Current nesting level for variables in a block. */ - int x_var_temp_slot_level; - - /* When temporaries are created by TARGET_EXPRs, they are created at - this level of temp_slot_level, so that they can remain allocated - until no longer needed. CLEANUP_POINT_EXPRs define the lifetime - of TARGET_EXPRs. */ - int x_target_temp_slot_level; - /* This slot is initialized as 0 and is added to during the nested function. */ struct var_refs_queue *fixup_var_refs_queue; @@ -345,9 +284,6 @@ struct function GTY(()) int no_debugging_symbols; rtvec original_arg_vector; tree original_decl_initial; - /* Last insn of those whose job was to put parms into their nominal - homes. */ - rtx inl_last_parm_insn; /* Highest label number in current function. */ int inl_max_label_num; @@ -359,9 +295,9 @@ struct function GTY(()) /* tm.h can use this to store whatever it likes. */ struct machine_function * GTY ((maybe_undef)) machine; /* The largest alignment of slot allocated on the stack. */ - int stack_alignment_needed; + unsigned int stack_alignment_needed; /* Preferred alignment of the end of stack frame. */ - int preferred_stack_boundary; + unsigned int preferred_stack_boundary; /* Set when the call to function itself has been emit. */ bool recursive_call_emit; /* Set when the tail call has been produced. */ @@ -376,10 +312,6 @@ struct function GTY(()) delay list for them is recorded here. */ rtx epilogue_delay_list; - /* Nonzero if NOTE_INSN_BLOCK_BEG / NOTE_INSN_BLOCK_END notes should not - be emitted. */ - unsigned int dont_emit_block_notes : 1; - /* How commonly executed the function is. Initialized during branch probabilities pass. */ enum function_frequency { @@ -476,12 +408,6 @@ struct function GTY(()) /* Nonzero if current function uses stdarg.h or equivalent. */ unsigned int stdarg : 1; - /* Nonzero if this function is being processed in function-at-a-time - mode. In other words, if all tree structure for this function, - including the BLOCK tree, is created before RTL generation - commences. */ - unsigned int x_whole_function_mode_p : 1; - /* Nonzero if the back-end should not keep track of expressions that determine the size of variable-sized objects. Normally, such expressions are saved away, and then expanded when the next @@ -542,30 +468,20 @@ extern int trampolines_created; #define current_function_limit_stack (cfun->limit_stack) #define current_function_uses_pic_offset_table (cfun->uses_pic_offset_table) #define current_function_uses_const_pool (cfun->uses_const_pool) -#define current_function_cannot_inline (cfun->cannot_inline) #define current_function_epilogue_delay_list (cfun->epilogue_delay_list) #define current_function_has_nonlocal_label (cfun->has_nonlocal_label) #define current_function_has_nonlocal_goto (cfun->has_nonlocal_goto) -#define max_parm_reg (cfun->x_max_parm_reg) -#define parm_reg_stack_loc (cfun->x_parm_reg_stack_loc) -#define cleanup_label (cfun->x_cleanup_label) #define return_label (cfun->x_return_label) #define naked_return_label (cfun->x_naked_return_label) -#define save_expr_regs (cfun->x_save_expr_regs) #define stack_slot_list (cfun->x_stack_slot_list) #define parm_birth_insn (cfun->x_parm_birth_insn) #define frame_offset (cfun->x_frame_offset) #define tail_recursion_reentry (cfun->x_tail_recursion_reentry) #define arg_pointer_save_area (cfun->x_arg_pointer_save_area) -#define rtl_expr_chain (cfun->x_rtl_expr_chain) -#define last_parm_insn (cfun->x_last_parm_insn) -#define function_call_count (cfun->x_function_call_count) #define used_temp_slots (cfun->x_used_temp_slots) #define avail_temp_slots (cfun->x_avail_temp_slots) #define temp_slot_level (cfun->x_temp_slot_level) -#define target_temp_slot_level (cfun->x_target_temp_slot_level) -#define var_temp_slot_level (cfun->x_var_temp_slot_level) #define nonlocal_labels (cfun->x_nonlocal_labels) #define nonlocal_goto_handler_labels (cfun->x_nonlocal_goto_handler_labels) @@ -573,9 +489,6 @@ extern int trampolines_created; return the `struct function' for it. */ struct function *find_function_data (tree); -/* Set NOTE_BLOCK for each block note in the current function. */ -extern void identify_blocks (void); - /* Identify BLOCKs referenced by more than one NOTE_INSN_BLOCK_{BEG,END}, and create duplicate blocks. */ extern void reorder_blocks (void); @@ -603,7 +516,6 @@ extern HOST_WIDE_INT get_func_frame_size (struct function *); extern struct machine_function * (*init_machine_status) (void); /* Save and restore status information for a nested function. */ -extern void restore_emit_status (struct function *); extern void free_after_parsing (struct function *); extern void free_after_compilation (struct function *); @@ -618,6 +530,7 @@ extern void use_return_register (void); extern rtx get_arg_pointer_save_area (struct function *); extern void init_virtual_regs (struct emit_status *); +extern void instantiate_virtual_regs (void); /* Returns the name of the current function. */ extern const char *current_function_name (void); @@ -627,4 +540,9 @@ extern void init_function_once (void); extern void do_warn_unused_parameter (tree); +extern bool pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode, + tree, bool); +extern bool reference_callee_copied (CUMULATIVE_ARGS *, enum machine_mode, + tree, bool); + #endif /* GCC_FUNCTION_H */