RISC-V: Support poly move manipulation and selftests.

gcc/ChangeLog:

	* common/config/riscv/riscv-common.cc: Change "static void" to "void".
	* config.gcc: Add riscv-selftests.o
	* config/riscv/predicates.md: Allow const_poly_int.
	* config/riscv/riscv-protos.h (riscv_reinit): New function.
	(riscv_parse_arch_string): change as exten function.
	(riscv_run_selftests): New function.
	* config/riscv/riscv.cc (riscv_cannot_force_const_mem): Don't allow poly
	into const pool.
	(riscv_report_v_required): New function.
	(riscv_expand_op): New function.
	(riscv_expand_mult_with_const_int): New function.
	(riscv_legitimize_poly_move): Ditto.
	(riscv_legitimize_move): New function.
	(riscv_hard_regno_mode_ok): Add VL/VTYPE register allocation and fix
	vector RA.
	(riscv_convert_vector_bits): Fix riscv_vector_chunks configuration for
	-marh no 'v'.
	(riscv_reinit): New function.
	(TARGET_RUN_TARGET_SELFTESTS): New target hook support.
	* config/riscv/t-riscv: Add riscv-selftests.o.
	* config/riscv/riscv-selftests.cc: New file.

gcc/testsuite/ChangeLog:

	* selftests/riscv/empty-func.rtl: New test.

1 files changed, 4 insertions, 0 deletions

diff --git a/gcc/config/riscv/t-riscv b/gcc/config/riscv/t-riscv
index 19736b3..2b82e5f 100644
--- a/gcc/config/riscv/t-riscv
+++ b/gcc/config/riscv/t-riscv
@@ -23,6 +23,10 @@ riscv-shorten-memrefs.o: $(srcdir)/config/riscv/riscv-shorten-memrefs.cc
 	$(COMPILE) $<
 	$(POSTCOMPILE)
 
+riscv-selftests.o: $(srcdir)/config/riscv/riscv-selftests.cc
+	$(COMPILE) $<
+	$(POSTCOMPILE)
+
 PASSES_EXTRA += $(srcdir)/config/riscv/riscv-passes.def
 
 $(common_out_file): $(srcdir)/config/riscv/riscv-cores.def \