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      1 %default {"preinstr":""}
      2     /*
      3      * Generic 32bit-to-64bit unary operation.  Provide an "instr" line
      4      * that specifies an instruction that performs "result = op r0", where
      5      * "result" is a 64-bit quantity in r0/r1.
      6      *
      7      * For: int-to-long, int-to-double, float-to-long, float-to-double
      8      */
      9     /* unop vA, vB */
     10     mov     r3, rINST, lsr #12          @ r3<- B
     11     ubfx    rINST, rINST, #8, #4        @ rINST<- A
     12     GET_VREG r0, r3                     @ r0<- vB
     13     VREG_INDEX_TO_ADDR r9, rINST        @ r9<- &fp[A]
     14     $preinstr                           @ optional op; may set condition codes
     15     CLEAR_SHADOW_PAIR rINST, ip, lr     @ Zero shadow regs
     16     FETCH_ADVANCE_INST 1                @ advance rPC, load rINST
     17     $instr                              @ r0<- op, r0-r3 changed
     18     GET_INST_OPCODE ip                  @ extract opcode from rINST
     19     stmia   r9, {r0-r1}                 @ vA/vA+1<- r0/r1
     20     GOTO_OPCODE ip                      @ jump to next instruction
     21     /* 9-10 instructions */
     22