re PR rtl-optimization/77416 (LRA rematerializing use of CA reg across function call)

re PR rtl-optimization/77416 (LRA rematerializing use of CA reg across function call)

	PR target/77416
	* gcc.target/powerpc/pr77416.c Guard the test only for ilp32 effective
	target.  Use powerpc* instead of powerpc64* in targets.  Remove -m32
	from dg-options.
	* gcc.target/powerpc/pr64205.c: Remove -m32 from dg-options of ilp32
	guarded test.
	* gcc.target/powerpc/fusion4.c: Likewise.
	* gcc.target/powerpc/pr63491.c: Remove -m64 from dg-options of lp64
	guarded test.
	* gcc.target/powerpc/pr58673-1.c: Likewise.
	* gcc.target/powerpc/pr58673-2.c: Likewise.
	* gcc.target/powerpc/pr59054.c: Likewise.

From-SVN: r244585