RISC-V: Pragma target [PR115325].

This implements #pragma GCC target () for riscv.

All the functionality was already there so we only need to wrap existing
functions.

	PR target/115325

gcc/ChangeLog:

	* config/riscv/riscv-c.cc (riscv_pragma_target_parse): New
	function.
	(riscv_register_pragmas): Register riscv_pragma_target_parse.
	* config/riscv/riscv-protos.h (riscv_process_target_attr_for_pragma):
	Declare.
	(riscv_reset_previous_fndecl): Ditto.
	* config/riscv/riscv-target-attr.cc (riscv_process_target_attr_for_pragma):
	New function.
	* config/riscv/riscv.cc (riscv_reset_previous_fndecl): Reset.
	(riscv_option_save): New function.
	(riscv_option_print): Ditto.
	(riscv_get_interrupt_type): Adjust docs.
	(TARGET_OPTION_SAVE): Implement.
	(TARGET_OPTION_PRINT): Ditto.
	* doc/extend.texi: Document that riscv can do target pragams.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/pragma-target-1.c: New test.
	* gcc.target/riscv/pragma-target-2.c: New test.

0 files changed, 0 insertions, 0 deletions