* config/fpu-387.h (_FPU_MASK_ALL): New.
	(_FPU_EX_ALL): Ditto.
	(set_fpu): Use fstcw to store x87 FPU control word. Use fnclex to
	clear stalled exception flags.  Correctly clear stalled SSE
	exception flags.  Simplify code.
	(get_fpu_except_flags): Simplify code.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200255 138bc75d-0d04-0410-961f-82ee72b054a4
	* ChangeLog: Add some missing lines.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200256 138bc75d-0d04-0410-961f-82ee72b054a4
        PR tree-optimization/57660
        * gcc.dg/tree-ssa/forwprop-28.c: Don't run test on various
        * targets
        based on their branch cost.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200258 138bc75d-0d04-0410-961f-82ee72b054a4