fcos              934 src/ia32/assembler-ia32.h   void fcos();
fcos             2741 src/ia32/code-stubs-ia32.cc         __ fcos();
fcos             1298 src/x64/assembler-x64.h   void fcos();
fcos             1861 src/x64/code-stubs-x64.cc         __ fcos();