diff options
Diffstat (limited to 'gcc/alias.h')
| -rw-r--r-- | gcc/alias.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/alias.h b/gcc/alias.h index b9d954eea02..73811d302b1 100644 --- a/gcc/alias.h +++ b/gcc/alias.h @@ -22,8 +22,13 @@ along with GCC; see the file COPYING3. If not see #include "coretypes.h" -/* The type of an alias set. */ -typedef HOST_WIDE_INT alias_set_type; +/* The type of an alias set. Code currently assumes that variables of + this type can take the values 0 (the alias set which aliases + everything) and -1 (sometimes indicating that the alias set is + unknown, sometimes indicating a memory barrier) and -2 (indicating + that the alias set should be set to a unique value but has not been + set yet). */ +typedef int alias_set_type; extern alias_set_type new_alias_set (void); extern alias_set_type get_alias_set (tree); |