* gcc-interface/Make-lang.in (GNATLIBFLAGS, GNATLIBCFLAGS, THREAD_KIND,

[pf3gnuchains/gcc-fork.git] / gcc / function.h

diff --git a/gcc/function.h b/gcc/function.h
index fec0168..42e52ac 100644 (file)
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -1,6 +1,6 @@
 /* Structure for saving state for a nested function.
    Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   1999, 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -169,6 +169,7 @@ struct gimple_df;
 struct temp_slot;
 typedef struct temp_slot *temp_slot_p;
 struct call_site_record_d;
+struct dw_fde_struct;
 
 DEF_VEC_P(temp_slot_p);
 DEF_VEC_ALLOC_P(temp_slot_p,gc);
@@ -226,11 +227,6 @@ struct GTY(()) function_subsections {
   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;
 };
 
 /* Describe an empty area of space in the stack frame.  These can be chained
@@ -439,6 +435,9 @@ struct GTY(()) rtl_data {
      function where currently compiled version of it is nothrow.  */
   bool nothrow;
 
+  /* True if we performed shrink-wrapping for the current function.  */
+  bool shrink_wrapped;
+
   /* Like regs_ever_live, but 1 if a reg is set or clobbered from an
      asm.  Unlike regs_ever_live, elements of this array corresponding
      to eliminable regs (like the frame pointer) are set if an asm
@@ -468,6 +467,33 @@ extern GTY(()) struct rtl_data x_rtl;
    want to do differently.  */
 #define crtl (&x_rtl)
 
+struct GTY(()) stack_usage
+{
+  /* # of bytes of static stack space allocated by the function.  */
+  HOST_WIDE_INT static_stack_size;
+
+  /* # of bytes of dynamic stack space allocated by the function.  This is
+     meaningful only if has_unbounded_dynamic_stack_size is zero.  */
+  HOST_WIDE_INT dynamic_stack_size;
+
+  /* # of bytes of space pushed onto the stack after the prologue.  If
+     !ACCUMULATE_OUTGOING_ARGS, it contains the outgoing arguments.  */
+  int pushed_stack_size;
+
+  /* Nonzero if the amount of stack space allocated dynamically cannot
+     be bounded at compile-time.  */
+  unsigned int has_unbounded_dynamic_stack_size : 1;
+};
+
+#define current_function_static_stack_size (cfun->su->static_stack_size)
+#define current_function_dynamic_stack_size (cfun->su->dynamic_stack_size)
+#define current_function_pushed_stack_size (cfun->su->pushed_stack_size)
+#define current_function_has_unbounded_dynamic_stack_size \
+  (cfun->su->has_unbounded_dynamic_stack_size)
+#define current_function_allocates_dynamic_stack_space    \
+  (current_function_dynamic_stack_size != 0               \
+   || current_function_has_unbounded_dynamic_stack_size)
+
 /* This structure can save all the important global and static variables
    describing the status of the current function.  */
 
@@ -486,6 +512,9 @@ struct GTY(()) function {
   /* The loops in this function.  */
   struct loops *x_current_loops;
 
+  /* The stack usage of this function.  */
+  struct stack_usage *su;
+
   /* Value histograms attached to particular statements.  */
   htab_t GTY((skip)) value_histograms;
 
@@ -517,6 +546,11 @@ struct GTY(()) function {
   /* Used types hash table.  */
   htab_t GTY ((param_is (union tree_node))) used_types_hash;
 
+  /* Dwarf2 Frame Description Entry, containing the Call Frame Instructions
+     used for unwinding.  Only set when either dwarf2 unwinding or dwarf2
+     debugging is enabled.  */
+  struct dw_fde_struct *fde;
+
   /* Last statement uid.  */
   int last_stmt_uid;
 
@@ -568,15 +602,6 @@ struct GTY(()) function {
   /* Nonzero if current function uses stdarg.h or equivalent.  */
   unsigned int stdarg : 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
-     function is started.  For example, if a parameter has a
-     variable-sized type, then the size of the parameter is computed
-     when the function body is entered.  However, some front-ends do
-     not desire this behavior.  */
-  unsigned int dont_save_pending_sizes_p : 1;
-
   unsigned int after_inlining : 1;
   unsigned int always_inline_functions_inlined : 1;
 
@@ -684,6 +709,7 @@ extern void number_blocks (tree);
 
 extern void clear_block_marks (tree);
 extern tree blocks_nreverse (tree);
+extern tree block_chainon (tree, tree);
 
 /* Return size needed for stack frame based on slots so far allocated.
    This size counts from zero.  It is not rounded to STACK_BOUNDARY;
@@ -725,6 +751,7 @@ extern bool reference_callee_copied (CUMULATIVE_ARGS *, enum machine_mode,
 extern void used_types_insert (tree);
 
 extern int get_next_funcdef_no (void);
+extern int get_last_funcdef_no (void);
 
 /* In predict.c */
 extern bool optimize_function_for_size_p (struct function *);