r137517 - in /branches/stack/gcc: ChangeLog.sta...

[hjl@gcc.gnu.org]

Author: hjl
Date: Sun Jul  6 01:18:49 2008
New Revision: 137517

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137517
Log:
2008-07-05  H.J. Lu  <hongjiu.lu@intel.com>
	    Xuepeng Guo  <xuepeng.guo@intel.com>

	PR debug/36728
	* dwarf2out.c (dw_fde_node): Add drap_reg and vdrap_reg.  Remove
	cfa_uses_expression.
	(add_cfi): Check drap_reg instead of cfa_uses_expression.
	(dwarf2out_frame_debug_expr): Add rule 20 to handle virtual
	drap.  Update rule 19 to set drap_reg instead of
	cfa_uses_expression.
	(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
	to INVALID_REGNUM.
	(based_loc_descr): Use cfa+offset to represent the location of
	arguments passed on stack when drap is used to align stack.

	* config/i386/i386.c (ix86_get_drap_rtx): Set RTX_FRAME_RELATED_P
	bit on virtual drap insn.

Modified:
    branches/stack/gcc/ChangeLog.stackalign
    branches/stack/gcc/config/i386/i386.c
    branches/stack/gcc/dwarf2out.c