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 21030fd..c4f74a2 100644 --- a/gcc/hard-reg-set.h +++ b/gcc/hard-reg-set.h @@ -538,6 +538,11 @@ extern char global_regs[FIRST_PSEUDO_REGISTER]; extern HARD_REG_SET regs_invalidated_by_call; +/* Call used hard registers which can not be saved because there is no + insn for this. */ + +extern HARD_REG_SET no_caller_save_reg_set; + #ifdef REG_ALLOC_ORDER /* Table of register numbers in the order in which to try to use them. */ @@ -556,6 +561,10 @@ extern HARD_REG_SET reg_class_contents[N_REG_CLASSES]; extern unsigned int reg_class_size[N_REG_CLASSES]; +/* For each reg class, table listing all the classes contained in it. */ + +extern enum reg_class reg_class_subclasses[N_REG_CLASSES][N_REG_CLASSES]; + /* For each pair of reg classes, a largest reg class contained in their union. */ |