unopWide.S revision a8b91c52fd8a90b784835dfe1f8898035266c4dd
1%default {"preinstr":"", "result0":"a0", "result1":"a1"}
2    /*
3     * Generic 64-bit unary operation.  Provide an "instr" line that
4     * specifies an instruction that performs "result = op a0/a1".
5     * This could be MIPS instruction or a function call.
6     *
7     * For: neg-long, not-long, neg-double, long-to-double, double-to-long
8     */
9    /* unop vA, vB */
10    GET_OPA4(t1)                           #  t1 <- A+
11    GET_OPB(a3)                            #  a3 <- B
12    EAS2(a3, rFP, a3)                      #  a3 <- &fp[B]
13    EAS2(rOBJ, rFP, t1)                    #  rOBJ <- &fp[A]
14    LOAD64(a0, a1, a3)                     #  a0/a1 <- vAA
15    FETCH_ADVANCE_INST(1)                  #  advance rPC, load rINST
16    $preinstr                              #  optional op
17    $instr                                 #  a0/a1 <- op, a2-a3 changed
18    GET_INST_OPCODE(t0)                    #  extract opcode from rINST
19    STORE64($result0, $result1, rOBJ)      #  vAA <- a0/a1
20    GOTO_OPCODE(t0)                        #  jump to next instruction
21    /* 12-13 instructions */
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