re PR target/64205 (powerpc64-linux --with-cpu=G5 bootstrap failure)

re PR target/64205 (powerpc64-linux --with-cpu=G5 bootstrap failure)

[gcc]
2015-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/64205
	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
	add a general secondary reload handler for SDmode, unless we have
	both read/write support for SDmode.

[gcc/testsuite]
2015-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/64205
	* gcc.target/powerpc/pr64205.c: New file.

From-SVN: r220485