re PR inline-asm/6806 (gcc 3.0.4 ignoring clobbered registers in inline asm with -O1 or higher on i386)

        PR inline-asm/6806
        * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
        (cselib_invalidate_rtx_note_stores): New.
        (cselib_record_sets, cselib_process_insn): Update to match.
        * cselib.h (cselib_invalidate_rtx): Declare.
        * postreload.c (reload_cse_simplify): Invalidate asm clobbers.

From-SVN: r87432