diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/tm.texi | 10 | ||||
| -rw-r--r-- | gcc/doc/tm.texi.in | 5 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index a86c210..0f79d38 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -1898,6 +1898,16 @@ must be defined. Modern ports should define @code{CALL_REALLY_USED_REGISTERS}. @cindex call-used register @cindex call-clobbered register @cindex call-saved register +@deftypefn {Target Hook} {const predefined_function_abi &} TARGET_FNTYPE_ABI (const_tree @var{type}) +Return the ABI used by a function with type @var{type}; see the +definition of @code{predefined_function_abi} for details of the ABI +descriptor. Targets only need to define this hook if they support +interoperability between several ABIs in the same translation unit. +@end deftypefn + +@cindex call-used register +@cindex call-clobbered register +@cindex call-saved register @deftypefn {Target Hook} bool TARGET_HARD_REGNO_CALL_PART_CLOBBERED (rtx_insn *@var{insn}, unsigned int @var{regno}, machine_mode @var{mode}) This hook should return true if @var{regno} is partly call-saved and partly call-clobbered, and if a value of mode @var{mode} would be partly diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 06dfcda..ed605c0 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -1709,6 +1709,11 @@ must be defined. Modern ports should define @code{CALL_REALLY_USED_REGISTERS}. @cindex call-used register @cindex call-clobbered register @cindex call-saved register +@hook TARGET_FNTYPE_ABI + +@cindex call-used register +@cindex call-clobbered register +@cindex call-saved register @hook TARGET_HARD_REGNO_CALL_PART_CLOBBERED @hook TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS |