818    assert(dst.file == file_x87);  in x87_arith_op()
820    if (arg.file == file_x87) {  in x87_arith_op()
887    assert(dst.file == file_x87);  in x87_fmulp()
894    assert(dst.file == file_x87);  in x87_fsubp()
901    assert(dst.file == file_x87);  in x87_fsubrp()
908    assert(dst.file == file_x87);  in x87_faddp()
915    assert(dst.file == file_x87);  in x87_fdivp()
922    assert(dst.file == file_x87);  in x87_fdivrp()
929    assert(arg.file == file_x87);  in x87_fucom()
935    assert(arg.file == file_x87);  in x87_fucomp()
946    assert(arg.file == file_x87);  in x87_fxch()
1026    if (arg.file == file_x87)   in x87_fld()
1036    if (dst.file == file_x87)   in x87_fst()
1046    if (dst.file == file_x87)   in x87_fstp()
1056    if (dst.file == file_x87)   in x87_fcom()
1066    if (dst.file == file_x87)   in x87_fcomp()