/* Function integration definitions for GNU C-Compiler
- Copyright (C) 1990, 1995, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1995, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
/* 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));
+/* This is for GC. */
+extern void mark_hard_reg_initial_vals PARAMS ((struct function *));
+/* Called from rest_of_compilation. */
+extern void emit_initial_value_sets PARAMS ((void));
+
/* Copy a declaration when one function is substituted inline into
another. */
extern union tree_node *copy_decl_for_inlining PARAMS ((union tree_node *,