gcc/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* config/i386/i386.c (ix86_old_function_arg_boundary): New.
	(ix86_function_arg_boundary): Always align parameters on stack
	in 64bit and align parameters with alignment >= 16byte on stack 
	in 32bit.  Warn alignment change.

gcc/testsuite/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* g++.dg/abi/param2.C: Add -Wno-psabi for ilp32 x86.
	* g++.dg/vect/pr33860a.cc: Likewise.
	* gcc.c-torture/compile/20070522-1.c: Likewise.
	* gcc.dg/compat/struct-align-1_x.c: Likewise.
	* gcc.dg/compat/struct-align-1_y.c: Likewise.
	* gcc.dg/compat/struct-align-2_x.c: Likewise.
	* gcc.dg/compat/struct-align-2_y.c: Likewise.
	* gcc.dg/pr44136.c: Likewise.

	* gcc.c-torture/compile/pr33617.c: Add -Wno-psabi for x86.
	* gcc.dg/compat/vector-1_x.c: Likewise.
	* gcc.dg/compat/vector-1_y.c: Likewise.
	* gcc.dg/compat/vector-2_x.c: Likewise.
	* gcc.dg/compat/vector-2_y.c: Likewise.
	* gcc.dg/pr43300.c: Likewise.

	* gcc.dg/compat/vector-1a_x.c: Add -Wno-psabi.
	* gcc.dg/compat/vector-1a_y.c: Likewise.
	* gcc.dg/compat/vector-1b_x.c: Likewise.
	* gcc.dg/compat/vector-1b_y.c: Likewise.
	* gcc.dg/compat/vector-2a_x.c: Likewise.
	* gcc.dg/compat/vector-2a_y.c: Likewise.
	* gcc.dg/compat/vector-2b_x.c: Likewise.
	* gcc.dg/compat/vector-2b_y.c: Likewise.
	* gcc.target/i386/pr39162.c: Likewise.
	* gcc.target/i386/pr40906-2.c: Likewise.
	* gcc.target/i386/sse-5.c: Likewise.

	* gcc.dg/pr35442.c: Prune ABI change warnings.

	* gcc.c-torture/execute/pr38151.x: New.
	* gcc.target/i386/pr44948-1a.c: Likewise.
	* gcc.target/i386/pr44948-1b.c: Likewise.
	* gcc.target/i386/pr44948-2a.c: Likewise.
	* gcc.target/i386/pr44948-2b.c: Likewise.

From-SVN: r165965