819    assert(dst.file == file_x87);  in x87_arith_op()
821    if (arg.file == file_x87) {  in x87_arith_op()
888    assert(dst.file == file_x87);  in x87_fmulp()
895    assert(dst.file == file_x87);  in x87_fsubp()
902    assert(dst.file == file_x87);  in x87_fsubrp()
909    assert(dst.file == file_x87);  in x87_faddp()
916    assert(dst.file == file_x87);  in x87_fdivp()
923    assert(dst.file == file_x87);  in x87_fdivrp()
930    assert(arg.file == file_x87);  in x87_fucom()
936    assert(arg.file == file_x87);  in x87_fucomp()
947    assert(arg.file == file_x87);  in x87_fxch()
1027    if (arg.file == file_x87)  in x87_fld()
1037    if (dst.file == file_x87)  in x87_fst()
1047    if (dst.file == file_x87)  in x87_fstp()
1057    if (dst.file == file_x87)  in x87_fcom()
1067    if (dst.file == file_x87)  in x87_fcomp()