diff options
Diffstat (limited to 'gcc/ira.h')
-rw-r--r-- | gcc/ira.h | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -175,8 +175,11 @@ extern struct target_ira *this_target_ira; /* Major structure describing equivalence info for a pseudo. */ struct ira_reg_equiv_s { - /* True if we can use this equivalence. */ + /* True if we can use this as a general equivalence. */ bool defined_p; + /* True if we can use this equivalence only for caller save/restore + location. */ + bool caller_save_p; /* True if the usage of the equivalence is profitable. */ bool profitable_p; /* Equiv. memory, constant, invariant, and initializing insns of |