re PR libgcc/70363 (PowerPC __float128 to long double doesn't link if built with…

re PR libgcc/70363 (PowerPC __float128 to long double doesn't link if built with an assember without ISA 3.0 support)

2016-03-22  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR libgcc/70363
	* config/rs6000/extendkftf2-sw.c (__extendkftf2_sw): If libgcc was
	built with an assembler that does not support ISA 3.0
	instructions, rename __extendkftf2_sw to __extendkftf2.

From-SVN: r234408

libgcc/ChangeLog

+2016-03-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+	PR libgcc/70363
+	* config/rs6000/extendkftf2-sw.c (__extendkftf2_sw): If libgcc was
+	built with an assembler that does not support ISA 3.0
+	instructions, rename __extendkftf2_sw to __extendkftf2.
+
 2016-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	PR target/38239

libgcc/config/rs6000/extendkftf2-sw.c

@@ -39,6 +39,10 @@
 #include "soft-fp.h"
 #include "quad-float128.h"
 
+#ifndef FLOAT128_HW_INSNS
+#define __extendkftf2_sw __extendkftf2
+#endif
+
 IBM128_TYPE
 __extendkftf2_sw (__float128 value)
 {