re PR bootstrap/6315 (sparc64 gcc -mhard-quad-float cannot compile libstdc++-v3)
PR bootstrap/6315
* config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
even if hard quad and register is not floating.
(movtf reg<-mem split): Disallow splitting if hard quad and
register is floating.
(movtf mem<-reg split): Likewise.
* config/sparc/sparc.c (fp_register_operand): New predicate.
* config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.
* gcc.dg/
20020416-1.c: New test.
From-SVN: r52412