2013-07-03 Christophe Lyon <christophe.lyon@linaro.org>

2013-07-03  Christophe Lyon  <christophe.lyon@linaro.org>

	Revert backport from mainline (r199438, r199439, 199533)
	gcc/
	2013-05-30  Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* config/arm/arm.c (arm_add_cfa_adjust_cfa_note): New added.
	(arm_emit_multi_reg_pop): Add REG_CFA_ADJUST_CFA notes.
	(arm_emit_vfp_multi_reg_pop): Likewise.
	(thumb2_emit_ldrd_pop): Likewise.
	(arm_expand_epilogue): Add misc REG_CFA notes.
	(arm_unwind_emit): Skip REG_CFA_ADJUST_CFA and REG_CFA_RESTORE.

	2013-05-30  Bernd Schmidt  <bernds@codesourcery.com>
		    Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* config/arm/arm-protos.h: Add and update function protos.
	* config/arm/arm.c (use_simple_return_p): New added.
	(thumb2_expand_return): Check simple_return flag.
	* config/arm/arm.md: Add simple_return and conditional simple_return.
	* config/arm/iterators.md: Add iterator for return and simple_return.
	* gcc.dg/shrink-wrap-alloca.c: New added.
	* gcc.dg/shrink-wrap-pretend.c: New added.
	* gcc.dg/shrink-wrap-sibcall.c: New added.

	gcc/testsuite/
	2013-05-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc.dg/shrink-wrap-alloca.c: Use __builtin_alloca.

	2013-05-30  Zhenqiang Chen  <zhenqiang.chen@linaro.org>

	* gcc.dg/shrink-wrap-alloca.c: New added.
	* gcc.dg/shrink-wrap-pretend.c: New added.
	* gcc.dg/shrink-wrap-sibcall.c: New added.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro@200691 138bc75d-0d04-0410-961f-82ee72b054a4