1 /* 2 * Generic 32-bit unary operation. Provide an "instr" line that 3 * specifies an instruction that performs "result = op w0". 4 * This could be an ARM instruction or a function call. 5 * 6 * for: neg-int, not-int, neg-float, int-to-float, float-to-int, 7 * int-to-byte, int-to-char, int-to-short 8 */ 9 /* unop vA, vB */ 10 lsr w3, wINST, #12 // w3<- B 11 GET_VREG w0, w3 // w0<- vB 12 ubfx w9, wINST, #8, #4 // w9<- A 13 FETCH_ADVANCE_INST 1 // advance rPC, load rINST 14 $instr // w0<- op, w0-w3 changed 15 GET_INST_OPCODE ip // extract opcode from rINST 16 SET_VREG w0, w9 // vAA<- w0 17 GOTO_OPCODE ip // jump to next instruction 18 /* 8-9 instructions */ 19
