{
/* 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;
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));
/* This is for GC. */
extern void mark_hard_reg_initial_vals PARAMS ((struct function *));
/* Called from rest_of_compilation. */