diff options
Diffstat (limited to 'gcc/hard-reg-set.h')
| -rw-r--r-- | gcc/hard-reg-set.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/hard-reg-set.h b/gcc/hard-reg-set.h index 33ac640..8fd787a 100644 --- a/gcc/hard-reg-set.h +++ b/gcc/hard-reg-set.h @@ -511,4 +511,13 @@ extern const char * reg_class_names[]; #define REG_CAN_CHANGE_MODE_P(REGN, FROM, TO) \ (targetm.can_change_mode_class (FROM, TO, REGNO_REG_CLASS (REGN))) +/* Return true if register REGNO is either fixed or call-used + (aka call-clobbered). */ + +inline bool +call_used_or_fixed_reg_p (unsigned int regno) +{ + return fixed_regs[regno] || call_used_regs[regno]; +} + #endif /* ! GCC_HARD_REG_SET_H */ |