diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.cc')
| -rw-r--r-- | gcc/config/rs6000/rs6000.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc index ceaddafd33b..bc619592b9e 100644 --- a/gcc/config/rs6000/rs6000.cc +++ b/gcc/config/rs6000/rs6000.cc @@ -25678,11 +25678,20 @@ rs6000_sibcall_aix (rtx value, rtx func_desc, rtx tlsarg, rtx cookie) rtx r12 = NULL_RTX; rtx func_addr = func_desc; - gcc_assert (INTVAL (cookie) == 0); - if (global_tlsarg) tlsarg = global_tlsarg; + /* Handle longcall attributes. */ + if (INTVAL (cookie) & CALL_LONG && SYMBOL_REF_P (func_desc)) + { + /* PCREL can do a sibling call to a longcall function + because we don't need to restore the TOC register. */ + gcc_assert (rs6000_pcrel_p ()); + func_desc = rs6000_longcall_ref (func_desc, tlsarg); + } + else + gcc_assert (INTVAL (cookie) == 0); + /* For ELFv2, r12 and CTR need to hold the function address for an indirect call. */ if (GET_CODE (func_desc) != SYMBOL_REF && DEFAULT_ABI == ABI_ELFv2) |