re PR target/79038 (Improve PowerPC ISA 3.0 conversion between integers and hardware...

re PR target/79038 (Improve PowerPC ISA 3.0 conversion between integers and hardware _Float128)

[gcc]
2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	* config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
	insns to convert from signed/unsigned char/short to IEEE 128-bit
	floating point.
	(floatuns<QHI:mode><IEEE128:mode>2): Likewise.

[gcc/testsuite]
2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/79038
	* gcc.target/powerpc/pr79038-1.c: New test.

From-SVN: r246178