diff options
Diffstat (limited to 'gcc/tree-ssanames.h')
| -rw-r--r-- | gcc/tree-ssanames.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/tree-ssanames.h b/gcc/tree-ssanames.h index f80e0b2..1d02d96 100644 --- a/gcc/tree-ssanames.h +++ b/gcc/tree-ssanames.h @@ -52,6 +52,8 @@ struct GTY (()) range_info_def { double_int min; /* Maximum for value range. */ double_int max; + /* Non-zero bits - bits not set are guaranteed to be always zero. */ + double_int nonzero_bits; }; @@ -68,10 +70,11 @@ struct GTY (()) range_info_def { enum value_range_type { VR_UNDEFINED, VR_RANGE, VR_ANTI_RANGE, VR_VARYING }; /* Sets the value range to SSA. */ -extern void set_range_info (tree ssa, double_int min, double_int max); +extern void set_range_info (tree, double_int, double_int); /* Gets the value range from SSA. */ -extern enum value_range_type get_range_info (tree name, double_int *min, - double_int *max); +extern enum value_range_type get_range_info (tree, double_int *, double_int *); +extern void set_nonzero_bits (tree, double_int); +extern double_int get_nonzero_bits (tree); extern void init_ssanames (struct function *, int); extern void fini_ssanames (void); extern void ssanames_print_statistics (void); |