unflop.S revision a8b91c52fd8a90b784835dfe1f8898035266c4dd 
1%default {"preinstr":""}
2    /*
3     * Generic 32-bit unary operation.  Provide an "instr" line that
4     * specifies an instruction that performs "result = op a0".
5     * This could be a MIPS instruction or a function call.
6     *
7     * for: int-to-float, float-to-int
8     */
9    /* unop vA, vB */
10    GET_OPB(a3)                            #  a3 <- B
11    GET_OPA4(rOBJ)                         #  t0 <- A+
12#ifdef SOFT_FLOAT
13    GET_VREG(a0, a3)                       #  a0 <- vB
14#else
15    GET_VREG_F(fa0, a3)
16#endif
17    $preinstr                              #  optional op
18    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
19#ifdef SOFT_FLOAT
20    $instr                                 #  a0 <- op, a0-a3 changed
21
22.L${opcode}_set_vreg:
23    SET_VREG(v0, rOBJ)                     #  vAA <- result0
24#else
25    $instr_f
26
27.L${opcode}_set_vreg_f:
28    SET_VREG_F(fv0, rOBJ)
29#endif
30    GET_INST_OPCODE(t1)                    #  extract opcode from rINST
31    GOTO_OPCODE(t1)                        #  jump to next instruction
32    /* 9-10 instructions */
33