/* Function integration definitions for GNU C-Compiler
- Copyright (C) 1990, 1995, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1995, 1998, 1999, 2000, 2001 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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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"
{
/* True if we are doing function integration, false otherwise.
Used to control whether RTX_UNCHANGING bits are copied by
- copy_rtx_and_substitute. */
+ copy_rtx_and_substitute. */
int integrating;
/* Definition of function be inlined. */
union tree_node *fndecl;
/* Mapping from old registers to new registers.
It is allocated and deallocated in `expand_inline_function' */
rtx *reg_map;
+#if defined (LEAF_REGISTERS) && defined (LEAF_REG_REMAP)
+ /* Mapping from old leaf registers to new leaf registers. */
+ rtx leaf_reg_map[FIRST_PSEUDO_REGISTER][NUM_MACHINE_MODES];
+#endif
/* Mapping from old code-labels to new code-labels.
The first element of this map is label_map[min_labelno]. */
rtx *label_map;
/* Likewise, this is the copied constraints vector. */
rtvec copy_asm_constraints_vector;
+ /* Target of a return insn, if needed and inlining. */
+ rtx local_return_label;
+
/* Indications for regs being pointers and their alignment. */
- char *regno_pointer_flag;
- char *regno_pointer_align;
+ 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. */
/* 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 PARAMS ((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 PARAMS ((enum machine_mode, int));
+/* Likewise, but for a different than the current function, or
+ arbitrary expression. */
+extern rtx get_func_hard_reg_initial_val PARAMS ((struct function *, rtx));
+/* Likewise, but iff someone else has caused it to become allocated. */
+extern rtx has_func_hard_reg_initial_val PARAMS ((struct function *, rtx));
+/* Likewise, but for common cases. */
+extern rtx has_hard_reg_initial_val PARAMS ((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 PARAMS ((struct function *, rtx));
+/* Called from rest_of_compilation. */
+extern void emit_initial_value_sets PARAMS ((void));
+extern void allocate_initial_values PARAMS ((rtx *));
+
/* 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 *));
+/* 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 PARAMS ((union tree_node *));
+
extern void try_constants PARAMS ((rtx, struct inline_remap *));
/* Return the label indicated. */
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