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r163424 - in /trunk/gcc: ChangeLog config/rs600...

From: ebotcazou at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Fri, 20 Aug 2010 21:22:17 -0000
Subject: r163424 - in /trunk/gcc: ChangeLog config/rs600...

Author: ebotcazou
Date: Fri Aug 20 21:22:16 2010
New Revision: 163424

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=163424
Log:
	* config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
	* config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	(STACK_CHECK_PROTECT): Define.
	* config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
	(output_probe_stack_range): Likewise.
	(rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
	builtin stack checking is enabled.
	* config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
	* config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
	(probe_stack_range): New insn.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/aix.h
    trunk/gcc/config/rs6000/linux.h
    trunk/gcc/config/rs6000/linux64.h
    trunk/gcc/config/rs6000/rs6000-protos.h
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/config/rs6000/rs6000.md

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