RISC-V: Add rawmemchr expander.

This patch adds a vectorized rawmemchr expander.  It also moves the
vectorized expand_block_move to riscv-string.cc.

gcc/ChangeLog:

	* config/riscv/autovec.md (rawmemchr<ANYI:mode>): New expander.
	* config/riscv/riscv-protos.h (gen_no_side_effects_vsetvl_rtx):
	Define.
	(expand_rawmemchr): Define.
	* config/riscv/riscv-v.cc (force_vector_length_operand): Remove
	static.
	(expand_block_move): Move from here...
	* config/riscv/riscv-string.cc (expand_block_move): ...to here.
	(expand_rawmemchr): Add vectorized expander.
	* internal-fn.cc (expand_RAWMEMCHR): Fix typo.

gcc/testsuite/ChangeLog:

	* gcc.dg/tree-prof/peel-2.c: Add
	-fno-tree-loop-distribute-patterns.
	* gcc.dg/tree-ssa/ldist-rawmemchr-1.c: Add riscv.
	* gcc.dg/tree-ssa/ldist-rawmemchr-2.c: Ditto.
	* gcc.target/riscv/rvv/rvv.exp: Add builtin directory.
	* gcc.target/riscv/rvv/autovec/builtin/rawmemchr-1.c: New test.

0 files changed, 0 insertions, 0 deletions