FIXME: We could put it into emit_status struct, but gengtype is not able to deal
with length attribute nested in top level structures. */
-extern GTY ((length ("rtl.emit.x_reg_rtx_no"))) rtx * regno_reg_rtx;
+extern GTY ((length ("crtl->emit.x_reg_rtx_no"))) rtx * regno_reg_rtx;
/* For backward compatibility... eventually these should all go away. */
-#define reg_rtx_no (rtl.emit.x_reg_rtx_no)
-#define seq_stack (rtl.emit.sequence_stack)
+#define reg_rtx_no (crtl->emit.x_reg_rtx_no)
+#define seq_stack (crtl->emit.sequence_stack)
-#define REGNO_POINTER_ALIGN(REGNO) (rtl.emit.regno_pointer_align[REGNO])
+#define REGNO_POINTER_ALIGN(REGNO) (crtl->emit.regno_pointer_align[REGNO])
struct expr_status GTY(())
{
rtx x_forced_labels;
};
-#define pending_stack_adjust (rtl.expr.x_pending_stack_adjust)
-#define inhibit_defer_pop (rtl.expr.x_inhibit_defer_pop)
-#define saveregs_value (rtl.expr.x_saveregs_value)
-#define apply_args_value (rtl.expr.x_apply_args_value)
-#define forced_labels (rtl.expr.x_forced_labels)
-#define stack_pointer_delta (rtl.expr.x_stack_pointer_delta)
+#define pending_stack_adjust (crtl->expr.x_pending_stack_adjust)
+#define inhibit_defer_pop (crtl->expr.x_inhibit_defer_pop)
+#define saveregs_value (crtl->expr.x_saveregs_value)
+#define apply_args_value (crtl->expr.x_apply_args_value)
+#define forced_labels (crtl->expr.x_forced_labels)
+#define stack_pointer_delta (crtl->expr.x_stack_pointer_delta)
struct gimple_df;
struct temp_slot;
unsigned int deferred_constants;
};
+/* Information mainlined about RTL representation of incoming arguments. */
+struct incoming_args GTY(())
+{
+ /* Number of bytes of args popped by function being compiled on its return.
+ Zero if no bytes are to be popped.
+ May affect compilation of return insn or of function epilogue. */
+ int pops_args;
+
+ /* If function's args have a fixed size, this is that size, in bytes.
+ Otherwise, it is -1.
+ May affect compilation of return insn or of function epilogue. */
+ int size;
+
+ /* # bytes the prologue should push and pretend that the caller pushed them.
+ The prologue must do this, but only if parms can be passed in
+ registers. */
+ int pretend_args_size;
+
+ /* This is the offset from the arg pointer to the place where the first
+ anonymous arg can be found, if there is one. */
+ rtx arg_offset_rtx;
+
+ /* Quantities of various kinds of registers
+ used for the current function's args. */
+ CUMULATIVE_ARGS info;
+
+ /* The arg pointer hard register, or the pseudo into which it was copied. */
+ rtx internal_arg_pointer;
+};
+
+/* Data for function partitioning. */
+struct function_subsections GTY(())
+{
+ /* Assembly labels for the hot and cold text sections, to
+ be used by debugger functions for determining the size of text
+ sections. */
+
+ const char *hot_section_label;
+ const char *cold_section_label;
+ const char *hot_section_end_label;
+ const char *cold_section_end_label;
+
+ /* String to be used for name of cold text sections, via
+ targetm.asm_out.named_section. */
+
+ const char *unlikely_text_section_name;
+};
+
/* Datastructures maintained for currently processed function in RTL form. */
struct rtl_data GTY(())
{
struct expr_status expr;
struct emit_status emit;
struct varasm_status varasm;
+ struct incoming_args args;
+ struct function_subsections subsections;
+
+ /* For function.c */
+
+ /* # of bytes of outgoing arguments. If ACCUMULATE_OUTGOING_ARGS is
+ defined, the needed space is pushed by the prologue. */
+ int outgoing_args_size;
+
+ /* If nonzero, an RTL expression for the location at which the current
+ function returns its result. If the current function returns its
+ result in a register, current_function_return_rtx will always be
+ the hard register containing the result. */
+ rtx return_rtx;
+
+ /* 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;
/* List (chain of EXPR_LIST) of labels heading the current handlers for
nonlocal gotos. */
rtx x_naked_return_label;
/* List (chain of EXPR_LISTs) of all stack slots in this function.
- Made for the sake of unshare_all_rtl. */
+ Made for the sake of unshare_all_crtl-> */
rtx x_stack_slot_list;
/* Place after which to insert the tail_recursion_label if we need one. */
/* Current nesting level for temporaries. */
int x_temp_slot_level;
- /* Highest label number in current function. */
- int inl_max_label_num;
};
-#define return_label (rtl.x_return_label)
-#define naked_return_label (rtl.x_naked_return_label)
-#define stack_slot_list (rtl.x_stack_slot_list)
-#define parm_birth_insn (rtl.x_parm_birth_insn)
-#define frame_offset (rtl.x_frame_offset)
-#define stack_check_probe_note (rtl.x_stack_check_probe_note)
-#define arg_pointer_save_area (rtl.x_arg_pointer_save_area)
-#define used_temp_slots (rtl.x_used_temp_slots)
-#define avail_temp_slots (rtl.x_avail_temp_slots)
-#define temp_slot_level (rtl.x_temp_slot_level)
-#define nonlocal_goto_handler_labels (rtl.x_nonlocal_goto_handler_labels)
-
-extern GTY(()) struct rtl_data rtl;
+#define return_label (crtl->x_return_label)
+#define naked_return_label (crtl->x_naked_return_label)
+#define stack_slot_list (crtl->x_stack_slot_list)
+#define parm_birth_insn (crtl->x_parm_birth_insn)
+#define frame_offset (crtl->x_frame_offset)
+#define stack_check_probe_note (crtl->x_stack_check_probe_note)
+#define arg_pointer_save_area (crtl->x_arg_pointer_save_area)
+#define used_temp_slots (crtl->x_used_temp_slots)
+#define avail_temp_slots (crtl->x_avail_temp_slots)
+#define temp_slot_level (crtl->x_temp_slot_level)
+#define nonlocal_goto_handler_labels (crtl->x_nonlocal_goto_handler_labels)
+
+extern GTY(()) struct rtl_data x_rtl;
+
+/* Accestor to RTL datastructures. We keep them statically allocated now since
+ we never keep multiple functions. For threaded compiler we might however
+ want to do differntly. */
+#define crtl (&x_rtl)
/* This structure can save all the important global and static variables
describing the status of the current function. */
/* Function containing this function, if any. */
struct function *outer;
- /* Number of bytes of args popped by function being compiled on its return.
- Zero if no bytes are to be popped.
- May affect compilation of return insn or of function epilogue. */
- int pops_args;
-
- /* If function's args have a fixed size, this is that size, in bytes.
- Otherwise, it is -1.
- May affect compilation of return insn or of function epilogue. */
- int args_size;
-
- /* # bytes the prologue should push and pretend that the caller pushed them.
- The prologue must do this, but only if parms can be passed in
- registers. */
- int pretend_args_size;
-
- /* # of bytes of outgoing arguments. If ACCUMULATE_OUTGOING_ARGS is
- defined, the needed space is pushed by the prologue. */
- int outgoing_args_size;
-
- /* This is the offset from the arg pointer to the place where the first
- anonymous arg can be found, if there is one. */
- rtx arg_offset_rtx;
-
- /* Quantities of various kinds of registers
- used for the current function's args. */
- CUMULATIVE_ARGS args_info;
-
- /* If nonzero, an RTL expression for the location at which the current
- function returns its result. If the current function returns its
- result in a register, current_function_return_rtx will always be
- the hard register containing the result. */
- rtx return_rtx;
-
- /* The arg pointer hard register, or the pseudo into which it was copied. */
- rtx internal_arg_pointer;
-
- /* 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;
-
/* 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;
/* The variables unexpanded so far. */
tree unexpanded_var_list;
- /* Assembly labels for the hot and cold text sections, to
- be used by debugger functions for determining the size of text
- sections. */
-
- const char *hot_section_label;
- const char *cold_section_label;
- const char *hot_section_end_label;
- const char *cold_section_end_label;
-
- /* String to be used for name of cold text sections, via
- targetm.asm_out.named_section. */
-
- const char *unlikely_text_section_name;
-
/* A variable living at the top of the frame that holds a known value.
Used for detecting stack clobbers. */
tree stack_protect_guard;
extern void instantiate_decl_rtl (rtx x);
/* For backward compatibility... eventually these should all go away. */
-#define current_function_pops_args (cfun->pops_args)
#define current_function_returns_struct (cfun->returns_struct)
#define current_function_returns_pcc_struct (cfun->returns_pcc_struct)
#define current_function_calls_setjmp (cfun->calls_setjmp)
#define current_function_accesses_prior_frames (cfun->accesses_prior_frames)
#define current_function_calls_eh_return (cfun->calls_eh_return)
#define current_function_is_thunk (cfun->is_thunk)
-#define current_function_args_info (cfun->args_info)
-#define current_function_args_size (cfun->args_size)
-#define current_function_pretend_args_size (cfun->pretend_args_size)
-#define current_function_outgoing_args_size (cfun->outgoing_args_size)
-#define current_function_arg_offset_rtx (cfun->arg_offset_rtx)
#define current_function_stdarg (cfun->stdarg)
-#define current_function_internal_arg_pointer (cfun->internal_arg_pointer)
-#define current_function_return_rtx (cfun->return_rtx)
#define current_function_profile (cfun->profile)
#define current_function_funcdef_no (cfun->funcdef_no)
#define current_function_limit_stack (cfun->limit_stack)
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