/* Define per-register tables for data flow info and register allocation.
- Copyright (C) 1987, 1993 Free Software Foundation, Inc.
+ Copyright (C) 1987, 1993, 1994 Free Software Foundation, Inc.
This file is part of GNU CC.
extern short *reg_n_deaths;
+/* Indexed by N; says whether a psuedo register N was ever used
+ within a SUBREG that changes the size of the reg. Some machines prohibit
+ such objects to be in certain (usually floating-point) registers. */
+
+extern char *reg_changes_size;
+
/* Get the number of consecutive words required to hold pseudo-reg N. */
#define PSEUDO_REGNO_SIZE(N) \