PATCH: PR middle-end/37009: No need to align stack when incoming stack is aligned

[Ian Lance Taylor]

"H.J. Lu" <hjl.tools@gmail.com> writes:

> 2008-08-02  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/
>
> 2008-08-02  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/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.

This is OK.

Thanks.

Ian