1 /* 2 * Generic one-operand compare-and-branch operation. Provide a "condition" 3 * fragment that specifies the comparison to perform. 4 * 5 * for: if-eqz, if-nez, if-ltz, if-gez, if-gtz, if-lez 6 */ 7 /* if-cmp vAA, +BBBB */ 8 lsr w0, wINST, #8 // w0<- AA 9 GET_VREG w2, w0 // w2<- vAA 10 FETCH_S wINST, 1 // w1<- branch offset, in code units 11 cmp w2, #0 // compare (vA, 0) 12 b.${condition} MterpCommonTakenBranchNoFlags 13 cmp wPROFILE, #JIT_CHECK_OSR // possible OSR re-entry? 14 b.eq .L_check_not_taken_osr 15 FETCH_ADVANCE_INST 2 16 GET_INST_OPCODE ip // extract opcode from wINST 17 GOTO_OPCODE ip // jump to next instruction 18