gcc/

2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/37009
	* cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
	for incoming stack boundary.

	* function.c (assign_parm_find_entry_rtl): Update
	parm_stack_boundary.

	* function.h (rtl_data): Add parm_stack_boundary.

	* config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
	parm_stack_boundary for incoming stack boundary.

gcc/testsuite/

2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/37009
	* gcc.dg/torture/stackalign/alloca-2.c: New.
	* gcc.dg/torture/stackalign/alloca-3.c: Likewise.
	* gcc.dg/torture/stackalign/alloca-4.c: Likewise.
	* gcc.dg/torture/stackalign/vararg-3.c: Likewise.
	* gcc.target/i386/incoming-1.c: Likewise.
	* gcc.target/i386/incoming-2.c: Likewise.
	* gcc.target/i386/incoming-3.c: Likewise.
	* gcc.target/i386/incoming-4.c: Likewise.
	* gcc.target/i386/incoming-5.c: Likewise.

From-SVN: r138806