fscale            939 src/ia32/assembler-ia32.h   void fscale();
fscale           3191 src/ia32/code-stubs-ia32.cc     __ fscale();   // 2^X, rnd(X)
fscale           1302 src/x64/assembler-x64.h   void fscale();
fscale           2243 src/x64/code-stubs-x64.cc     __ fscale();   // 2^X, rnd(X)