-/* Function integration definitions for GNU C-Compiler
- Copyright (C) 1990 Free Software Foundation, Inc.
+/* Function integration definitions for GCC
+ Copyright (C) 1990, 1995, 1998, 1999, 2000, 2001, 2003
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GCC; see the file COPYING. If not, write to 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
struct inline_remap
{
- /* True if we are doing function integration, false otherwise.
- Used to control whether RTX_UNCHANGING bits are copied by
- copy_rtx_and_substitute. */
- int integrating;
/* Definition of function be inlined. */
- union tree_node *fndecl;
+ tree fndecl;
/* Place to put insns needed at start of function. */
rtx insns_at_start;
/* Mapping from old registers to new registers.
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,
this is nonzero if we have copied an ASM_OPERANDS.
In that case, it is the original input-operand vector. */
/* Likewise, this is the copied constraints vector. */
rtvec copy_asm_constraints_vector;
+ /* Indications for regs being pointers and their alignment. */
+ unsigned char *regno_pointer_align;
+ rtx *x_regno_reg_rtx;
+
/* The next few fields are used for subst_constants to record the SETs
that it saw. */
int num_sets;
rtx dest;
rtx equiv;
} equiv_sets[MAX_RECOG_OPERANDS];
- /* Record the last thing assigned to pc. This is used for folded
+ /* Record the last thing assigned to pc. This is used for folded
conditional branch insns. */
rtx last_pc_value;
#ifdef HAVE_cc0
/* Record the last thing assigned to cc0. */
rtx last_cc0_value;
#endif
+ /* Note mode of COMPARE if the mode would be otherwise lost (comparing of
+ two VOIDmode constants. */
+ rtx compare_src;
+ enum machine_mode compare_mode;
};
/* 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 void try_constants PROTO((rtx, struct inline_remap *));
-
-extern void mark_stores PROTO((rtx, rtx));
-
-/* 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;
+extern rtx copy_rtx_and_substitute (rtx, struct inline_remap *, int);
+
+/* Return a pseudo that corresponds to the value in the specified hard
+ reg as of the start of the function (for inlined functions, the
+ value at the start of the parent function). */
+extern rtx get_hard_reg_initial_val (enum machine_mode, int);
+/* Likewise, but for a different than the current function, or
+ arbitrary expression. */
+extern rtx get_func_hard_reg_initial_val (struct function *, rtx);
+/* Likewise, but iff someone else has caused it to become allocated. */
+extern rtx has_func_hard_reg_initial_val (struct function *, rtx);
+/* Likewise, but for common cases. */
+extern rtx has_hard_reg_initial_val (enum machine_mode, int);
+/* If a pseudo represents an initial hard reg (or expression), return
+ it, else return NULL_RTX. */
+extern rtx get_hard_reg_initial_reg (struct function *, rtx);
+/* Called from rest_of_compilation. */
+extern void emit_initial_value_sets (void);
+extern void allocate_initial_values (rtx *);
+
+/* Copy a declaration when one function is substituted inline into
+ another. */
+extern tree copy_decl_for_inlining (tree, tree, tree);
+
+/* Check whether there's any attribute in a function declaration that
+ makes the function uninlinable. Returns false if it finds any,
+ true otherwise. */
+extern bool function_attribute_inlinable_p (tree);
+
+extern void try_constants (rtx, struct inline_remap *);
+
+/* Return the label indicated. */
+extern rtx get_label_from_map (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 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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