1 /* 2 * Generic 32-bit unary floating-point operation. Provide an "instr" 3 * line that specifies an instruction that performs "s1 = op s0". 4 * 5 * for: int-to-float, float-to-int 6 */ 7 /* unop vA, vB */ 8 mov r3, rINST, lsr #12 @ r3<- B 9 mov r9, rINST, lsr #8 @ r9<- A+ 10 VREG_INDEX_TO_ADDR(r3, r3) @ r3<- &vB 11 flds s0, [r3] @ s0<- vB 12 FETCH_ADVANCE_INST(1) @ advance rPC, load rINST 13 and r9, r9, #15 @ r9<- A 14 $instr @ s1<- op 15 GET_INST_OPCODE(ip) @ extract opcode from rINST 16 VREG_INDEX_TO_ADDR(r9, r9) @ r9<- &vA 17 fsts s1, [r9] @ vA<- s1 18 GOTO_OPCODE(ip) @ jump to next instruction 19
