diff options
| -rw-r--r-- | gcc/regs.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/regs.h b/gcc/regs.h index 47463bf3a7b..1b394b20c6e 100644 --- a/gcc/regs.h +++ b/gcc/regs.h @@ -1,5 +1,5 @@ /* 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. @@ -53,6 +53,12 @@ extern short *reg_n_sets; 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) \ |