PR rtl-optimization/57281
	PR rtl-optimization/57300
	* config/i386/i386.md (extendsidi2_1 dead reg splitter): Remove.
	(extendsidi2_1 peephole2s): Add instead 2 new peephole2s, that undo
	what the other splitter did if the registers are dead.

	* gcc.dg/pr57300.c: New test.
	* gcc.c-torture/execute/pr57281.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199018 138bc75d-0d04-0410-961f-82ee72b054a4
PR target/49146

	* unwind-dw2.c (UNWIND_COLUMN_IN_RANGE): New macro.
	(execute_cfa_program): Use it when storing to fs->regs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199019 138bc75d-0d04-0410-961f-82ee72b054a4
2013-05-17  Marc Glisse  <marc.glisse@inria.fr>

	PR testsuite/57313
	* gcc.dg/binop-xor3.c: Restrict to platforms known to work (x86).



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199020 138bc75d-0d04-0410-961f-82ee72b054a4