* expr.h (emit_stack_probe): Declare.
	* explow.c (emit_stack_probe): Make global.
	(anti_adjust_stack_and_probe): Fix comments.
	* config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
	* config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/sparc/sparc.c: Include except.h.
	(sparc_emit_probe_stack_range): New function.
	(output_probe_stack_range): Likewise.
	(sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
	built-in stack checking is enabled.
	* config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
	* config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
	(probe_stack_range): New insn.

From-SVN: r161749