rs6000.c (rs6000_call_template_1): Handle pcrel calls here...

rs6000.c (rs6000_call_template_1): Handle pcrel calls here...

[gcc]

2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>
	    Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_call_template_1): Handle pcrel
	calls here...
	(rs6000_indirect_call_template_1): ...and here.
	(rs6000_pltseq_template): Handle plt_pcrel34.  Rework tocsave,
	plt16_ha, plt16_lo, mtctr indirect calls.  Use
	rs6000_pltseq_enum.
	(rs6000_decl_ok_for_sibcall): New function.
	(rs6000_function_ok_for_sibcall): Refactor.
	(rs6000_longcall_ref): Use UNSPEC_PLT_PCREL when pcrel.
	(rs6000_call_aix): Don't emit toc restore rtl for indirect calls
	when pcrel.  Reorganize.
	(rs6000_sibcall_aix): Don't add r2 to function usage when pcrel.
	* rs6000.h (rs6000_pltseq_enum): New enum.
	* rs6000.md (UNSPEC_PLT_PCREL): New unspec.
	(*pltseq_tocsave): Use rs6000_pltseq_enum.
	(*pltseq_plt16_ha): Likewise.
	(*pltseq_plt16_lo): Likewise.
	(*pltseq_mtctr): Likewise.
	(*pltseq_plt_pcrel): New insn.
	(*call_local_aix): Handle @notoc calls.
	(*call_value_local_aix): Likewise.
	(*call_nonlocal_aix): Adjust lengths for pcrel calls.
	(*call_value_nonlocal_aix): Likewise.
	(*call_indirect_pcrel): New insn.
	(*call_value_indirect_pcrel): Likewise.

[gcc/testsuite]

2019-05-29  Bill Schmidt  <wschmidt@linux.ibm.com>

	* gcc.target/powerpc/notoc-direct-1.c: New.
	* gcc.target/powerpc/pcrel-sibcall-1.c: New.

Co-Authored-By: Alan Modra <amodra@gmail.com>
From-SVN: r271753