r155209 - in /trunk/gcc: ChangeLog config/rs600...

Mon Dec 14 10:12:00 GMT 2009

Author: ebotcazou
Date: Mon Dec 14 10:12:43 2009
New Revision: 155209

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155209
Log:
	* doc/tm.texi (STACK_CHECK_PROTECT): Document alternate default.
	* doc/md.texi (check_stack): Clarify.
	(probe_stack): Likewise.
	* config/rs6000/rs6000.md (UNSPEC_PROBE_STACK): New constant.
	(probe_stack): New insn.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.md
    trunk/gcc/doc/md.texi
    trunk/gcc/doc/tm.texi