diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 5da7740ad6c..61c1d8fa2ad 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -969,8 +969,10 @@ void clear_reg_alias_info (reg) rtx reg; { - if (REGNO (reg) < reg_known_value_size) - reg_known_value[REGNO (reg)] = reg; + unsigned int regno = REGNO (reg); + + if (regno < reg_known_value_size && regno >= FIRST_PSEUDO_REGISTER) + reg_known_value[regno] = reg; } /* Returns a canonical version of X, from the point of view alias |
