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r231259 - in /trunk/gcc: ChangeLog config/aarch...

From: ebotcazou at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Fri, 04 Dec 2015 11:52:04 -0000
Subject: r231259 - in /trunk/gcc: ChangeLog config/aarch...

Author: ebotcazou
Date: Fri Dec  4 11:52:04 2015
New Revision: 231259

URL: https://gcc.gnu.org/viewcvs?rev=231259&root=gcc&view=rev
Log:
	PR middle-end/65958
	* config/aarch64/aarch64-protos.h (aarch64_output_probe_stack-range):
	Declare.
	* config/aarch64/aarch64.md: Declare UNSPECV_BLOCKAGE and
	UNSPEC_PROBE_STACK_RANGE.
	(blockage): New instruction.
	(probe_stack_range_<PTR:mode>): Likewise.
	* config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): New
	function.
	(aarch64_output_probe_stack_range): Likewise.
	(aarch64_expand_prologue): Invoke aarch64_emit_probe_stack_range if
	static builtin stack checking is enabled.
	* config/aarch64/aarch64-linux.h (STACK_CHECK_STATIC_BUILTIN):
	Define to 1.

Added:
    trunk/gcc/testsuite/gcc.target/aarch64/stack-checking.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-linux.h
    trunk/gcc/config/aarch64/aarch64-protos.h
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md
    trunk/gcc/testsuite/ChangeLog

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