re PR target/53487 (Unrecognizable insn for conditional move)

[gcc]
2012-06-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/53487
	* config/rs6000/rs6000.c (rs6000_generate_compare): If we are
	doing an unsigned compare, make sure the second argument is not a
	negative constant.
	(rs6000_emit_cmove): Don't allow floating point comparisons when
	generating ISEL moves.

[gcc/testsuite]
2012-06-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/pr53487.c: New test.

From-SVN: r188248