diff options
Diffstat (limited to 'gcc/tree-flow-inline.h')
| -rw-r--r-- | gcc/tree-flow-inline.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h index 13f94ac..4874c77 100644 --- a/gcc/tree-flow-inline.h +++ b/gcc/tree-flow-inline.h @@ -1444,6 +1444,20 @@ get_subvars_for_var (tree var) return subvars; } +/* Return the subvariable of VAR at offset OFFSET. */ + +static inline tree +get_subvar_at (tree var, unsigned HOST_WIDE_INT offset) +{ + subvar_t sv; + + for (sv = get_subvars_for_var (var); sv; sv = sv->next) + if (sv->offset == offset) + return sv->var; + + return NULL_TREE; +} + /* Return true if V is a tree that we can have subvars for. Normally, this is any aggregate type, however, due to implementation limitations ATM, we exclude array types as well. */ @@ -1461,7 +1475,7 @@ var_can_have_subvars (tree v) *EXACT will be set to true upon return. */ static inline bool -overlap_subvar (HOST_WIDE_INT offset, HOST_WIDE_INT size, +overlap_subvar (unsigned HOST_WIDE_INT offset, unsigned HOST_WIDE_INT size, subvar_t sv, bool *exact) { /* There are three possible cases of overlap. |