diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/rtl.h b/gcc/rtl.h index 9db7a37183c..003e92dc316 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -1606,6 +1606,9 @@ extern rtx gen_rtx_MEM PARAMS ((enum machine_mode, rtx)); #define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4) +/* REGNUM never really appearing in the INSN stream. */ +#define INVALID_REGNUM (~(unsigned int)0) + extern rtx find_next_ref PARAMS ((rtx, rtx)); extern rtx *find_single_use PARAMS ((rtx, rtx, rtx *)); |