34 #define ST0    (env->fpregs[env->fpstt].d)
35 #define ST(n)  (env->fpregs[(env->fpstt + (n)) & 7].d)
78     env->fpstt = (env->fpstt - 1) & 7;  in fpush()
79     env->fptags[env->fpstt] = 0; /* validate stack entry */  in fpush()
84     env->fptags[env->fpstt] = 1; /* invalidate stack entry */  in fpop()
85     env->fpstt = (env->fpstt + 1) & 7;  in fpop()
258     new_fpstt = (env->fpstt - 1) & 7;  in helper_flds_ST0()
261     env->fpstt = new_fpstt;  in helper_flds_ST0()
275     new_fpstt = (env->fpstt - 1) & 7;  in helper_fldl_ST0()
278     env->fpstt = new_fpstt;  in helper_fldl_ST0()
295     new_fpstt = (env->fpstt - 1) & 7;  in helper_fildl_ST0()
297     env->fpstt = new_fpstt;  in helper_fildl_ST0()
308     new_fpstt = (env->fpstt - 1) & 7;  in helper_fildll_ST0()
310     env->fpstt = new_fpstt;  in helper_fildll_ST0()
429     new_fpstt = (env->fpstt - 1) & 7;  in helper_fldt_ST0()
431     env->fpstt = new_fpstt;  in helper_fldt_ST0()
455     env->fpstt = (env->fpstt - 1) & 7;  in helper_fdecstp()
461     env->fpstt = (env->fpstt + 1) & 7;  in helper_fincstp()
469     env->fptags[(env->fpstt + st_index) & 7] = 1;  in helper_ffree_STN()
729     return (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;  in helper_fnstsw()
793     env->fpstt = 0;  in do_fninit()
2395     if (env->fptags[env->fpstt]) {  in helper_fxam_ST0()
2425     fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;  in do_fstenv()
2476     env->fpstt = (fpus >> 11) & 7;  in cpu_set_fpus()
2570     fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;  in do_xsave_fpu()
3275     env->fpstt = 0;  in helper_enter_mmx()