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[3/6] stack branch merge to trunk -- Update DWARF2

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: gcc-patches <gcc-patches at gcc dot gnu dot org>, "Ye, Joey" <joey dot ye at intel dot com>, "Guo, Xuepeng" <xuepeng dot guo at intel dot com>, "Jason Merrill" <jason at redhat dot com>, "Richard Guenther" <richard dot guenther at gmail dot com>
Date: Tue, 10 Jun 2008 14:40:28 -0700
Subject: [3/6] stack branch merge to trunk -- Update DWARF2

Hi Jason,

We updated DWARF2 changes based on your feedbacks.
Is that OK for trunk?

Thanks.

-- 
H.J.
---
2008-06-10  Xuepeng Guo  <xuepeng.guo@intel.com>

	* dwarf2out.c (dw_fde_struct): Add drap_regnum,
	stack_realignment, stack_realign, uses_drap, drap_reg_saved
	and calls_eh_return.
	(reg_save_with_expression): New.
	(add_cfi): If stack is realigned, call reg_save_with_expression
	to represent the location of stored vars.
	(dwarf2out_frame_debug_expr): Add rules 16-19 to handle stack
	realign.
	(output_cfa_loc): Handle DW_CFA_expression.
	(based_loc_descr): Update assert for stack realign.

Attachment: gcc-stack-v5-3.txt
Description: Text document

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