1    /*
2     * float-to-int
3     *
4     * We have to clip values to int min/max per the specification.  The
5     * expected common case is a "reasonable" value that converts directly
6     * to modest integer.  The EABI convert function isn't doing this for us
7     * for pre-R6.
8     */
9    /* unop vA, vB */
10    GET_OPB(a3)                            #  a3 <- B
11    GET_OPA4(rOBJ)                         #  rOBJ <- A+
12    GET_VREG_F(fa0, a3)
13    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
14
15#ifndef MIPS32REVGE6
16    li        t0, INT_MIN_AS_FLOAT
17    mtc1      t0, fa1
18    c.ole.s   fcc0, fa1, fa0
19#endif
20    GET_INST_OPCODE(t1)                    #  extract opcode from rINST
21#ifndef MIPS32REVGE6
22    bc1t      fcc0, 1f                     #  if INT_MIN <= vB, proceed to truncation
23    c.eq.s    fcc0, fa0, fa0
24    mtc1      zero, fa0
25    movt.s    fa0, fa1, fcc0               #  fa0 = ordered(vB) ? INT_MIN_AS_FLOAT : 0
261:
27#endif
28    trunc.w.s fa0, fa0
29    SET_VREG_F_GOTO(fa0, rOBJ, t1)         #  vA <- result
30