[Darwin, PPC] Clean up symbol stubs code.
Remove dead code for the the TARGET_LINK_STACK which is not
applicable to Darwin. Use MACHOPIC_PURE instead of a hard-wired
PIC level to determine the stub kind.
Merge common code blocks.
gcc/ChangeLog:
2019-09-22 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/rs6000.c (machopic_output_stub): Remove dead
code. Merge code blocks with common conditionals. Use declared
macro instead of a magic number for PIC level.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@276030
138bc75d-0d04-0410-961f-
82ee72b054a4