* gdb.base/callfuncs.exp (do_function_calls): Add alpha-dec-osf2*

	* gdb.base/callfuncs.exp (do_function_calls):  Add alpha-dec-osf2*
	clear_xfail for "p t_float_values2(3.14159,float_val2)" for gcc
	compiled test.
	* gdb.base/opaque.exp (setup_xfail_on_opaque_pointer):
	Add mips-sgi-irix5* xfail for not gcc compiled.
	* gdb.base/Makefile.in (nodebug.o):  Also create nodebug.ci.
	* gdb.base/nodebug.exp: Add mips-sgi-irix5 xfail when not gcc compiled for
	"p top", "whatis top", "p middle", and "whatis middle".
	* gdb.base/whatis.exp: Add mips-sgi-irix* xfail for
	"whatis signed char" for not gcc compiled.
	* gdb.base/setvar.exp: Add mips-sgi-irix4* xfail (works on irix5) for
	"set variable signed char=-1 (-1)" and
	"set variable signed char=0xFF (0xFF)" for not gcc compiled.
	* gdb.base/funcargs.exp (float_and_integral_args):
	Add mips-sgi-irix5* xfail for "run to call2a" for not gcc compiled.
	Add mips-sgi-irix* xfail when not gcc compiled for
	"continue to call2b".
	Add mips-sgi-irix4* xfail (works with irix5) when gcc compiled for
	"continue to call2g".
	(discard_and_shuffle): Add mips-sgi-irix5* xfail whn not gcc compiled for
	"backtrace from call6a"
	(shuffle_round_robin): Add mips-sgi-irix* xfail when not gcc compiled for
	"backtrace from call7k".
	Add mips-sgi-irix5* xfail when not gcc compiled for
	"backtrace from call7a".
	(localvars_after_alloca):  Fix gdb_test cmds for
	"print * after runto ...".
	Remove rs6000-*-* xfails for
	"print i after runto localvars_after_alloca" and
	"print l after runto localvars_after_alloca"
	for all compilers.
	* gdb.base/exprs.exp: Add mips-sgi-irix4* xfails (works with irix5),
 	when not compiled with gcc, for:
	"print signed char == (minus)",
	"print signed char != (minus)",
	"print signed char < (minus)",
	"print signed char > (minus)".
	* gdb.base/callfuncs.exp (do_function_calls):
	Add mips-sgi-irix* xfail, when compiled with native compiler, for
	"call inferior func with struct - returns char *".
	* gdb.base/return.exp (return_tests): Change xfail for
	"correct value returned double test" to include Solaris 2.4.
	* gdb.base/funcargs.exp (float_and_integral_args):
	Add sparc-sun-solaris2* xfail for "print f1 after run to call2a".