u32 r0, at, v0, v1, a0, a1, a2, a3,
t0, t1, t2, t3, t4, t5, t6, t7,
s0, s1, s2, s3, s4, s5, s6, s7,
u32 r0, at, v0, v1, a0, a1, a2, a3,
t0, t1, t2, t3, t4, t5, t6, t7,
s0, s1, s2, s3, s4, s5, s6, s7,
- t8, t9, k0, k1, gp, sp, s8, ra, lo, hi;
+ t8, t9, k0, k1, gp, sp, fp, ra, lo, hi;