gcc/
	PR rtl-optimization/48830
	PR rtl-optimization/48808
	PR rtl-optimization/48792
	* reload.c (push_reload): Check contains_reg_of_mode.
	* reload1.c (strip_paradoxical_subreg): New function.
	(gen_reload_chain_without_interm_reg_p): Use it to handle
	paradoxical subregs.
	(emit_output_reload_insns, gen_reload): Likewise.

gcc/testsuite/
2011-06-01  Eric Botcazou  <ebotcazou@adacore.com>
	    Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/48830
	* gcc.target/sparc/ultrasp12.c: New test.

From-SVN: r174540