/* Function integration definitions for GNU C-Compiler
- Copyright (C) 1990, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#include "varray.h"
+
/* This structure is used to remap objects in the function being inlined to
those belonging to the calling function. It is passed by
expand_inline_function to its children.
union tree_node *fndecl;
/* Place to put insns needed at start of function. */
rtx insns_at_start;
+ /* Mapping from old BLOCKs to new BLOCKs. */
+ varray_type block_map;
/* Mapping from old registers to new registers.
It is allocated and deallocated in `expand_inline_function' */
rtx *reg_map;
pseudos that contain pointers into the replacement area allocated for
this inline instance. These pseudos are then marked as being equivalent
to the appropriate address and substituted if valid. */
- rtx *const_equiv_map;
- /* Number of entries in const_equiv_map and const_arg_map. */
- int const_equiv_map_size;
+ varray_type const_equiv_varray;
/* This is incremented for each new basic block.
- It is used to store in const_age_map to record the domain of validity
- of each entry in const_equiv_map.
+ It is used to store in the age field to record the domain of validity
+ of each entry in const_equiv_varray.
A value of -1 indicates an entry for a reg which is a parm.
All other values are "positive". */
#define CONST_AGE_PARM (-1)
unsigned int const_age;
- /* In parallel with const_equiv_map, record the valid age for each entry.
- The entry is invalid if its age is less than const_age. */
- unsigned int *const_age_map;
+
/* Target of the inline function being expanded, or NULL if none. */
rtx inline_target;
/* When an insn is being copied by copy_rtx_and_substitute,
/* Indications for regs being pointers and their alignment. */
char *regno_pointer_flag;
- char *regno_pointer_align;
+ unsigned char *regno_pointer_align;
/* The next few fields are used for subst_constants to record the SETs
that it saw. */
/* Return a copy of an rtx (as needed), substituting pseudo-register,
labels, and frame-pointer offsets as necessary. */
-extern rtx copy_rtx_and_substitute PROTO((rtx, struct inline_remap *));
+extern rtx copy_rtx_and_substitute PARAMS ((rtx, struct inline_remap *, int));
-extern void try_constants PROTO((rtx, struct inline_remap *));
+/* Copy a declaration when one function is substituted inline into
+ another. */
+extern union tree_node *copy_decl_for_inlining PARAMS ((union tree_node *,
+ union tree_node *,
+ union tree_node *));
-extern void mark_stores PROTO((rtx, rtx));
+extern void try_constants PARAMS ((rtx, struct inline_remap *));
/* Return the label indicated. */
-extern rtx get_label_from_map PROTO((struct inline_remap *, int));
+extern rtx get_label_from_map PARAMS ((struct inline_remap *, int));
/* Set the label indicated. */
-#define set_label_in_map(map, i, x) \
- ((map)->label_map[i] = (x))
-
-/* Unfortunately, we need a global copy of const_equiv map for communication
- with a function called from note_stores. Be *very* careful that this
- is used properly in the presence of recursion. */
-
-extern rtx *global_const_equiv_map;
-extern int global_const_equiv_map_size;
+#define set_label_in_map(MAP, I, X) ((MAP)->label_map[I] = (X))
+
+/* Unfortunately, we need a global copy of const_equiv varray for
+ communication with a function called from note_stores. Be *very*
+ careful that this is used properly in the presence of recursion. */
+
+extern varray_type global_const_equiv_varray;
+
+#define MAYBE_EXTEND_CONST_EQUIV_VARRAY(MAP,MAX) \
+ { \
+ if ((size_t)(MAX) >= VARRAY_SIZE ((MAP)->const_equiv_varray)) \
+ { \
+ int is_global = (global_const_equiv_varray \
+ == (MAP)->const_equiv_varray); \
+ VARRAY_GROW ((MAP)->const_equiv_varray, (MAX)+1); \
+ if (is_global) \
+ global_const_equiv_varray = (MAP)->const_equiv_varray; \
+ } \
+ }
+
+#define SET_CONST_EQUIV_DATA(MAP,REG,RTX,AGE) \
+ { \
+ struct const_equiv_data *p; \
+ MAYBE_EXTEND_CONST_EQUIV_VARRAY ((MAP), REGNO (REG)); \
+ p = &VARRAY_CONST_EQUIV ((MAP)->const_equiv_varray, REGNO (REG)); \
+ p->rtx = (RTX); \
+ p->age = (AGE); \
+ }
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