1 /* 2 * Generic two-operand compare-and-branch operation. Provide a "condition" 3 * fragment that specifies the comparison to perform. 4 * 5 * For: if-eq, if-ne, if-lt, if-ge, if-gt, if-le 6 */ 7 /* if-cmp vA, vB, +CCCC */ 8 lsr w1, wINST, #12 // w1<- B 9 ubfx w0, wINST, #8, #4 // w0<- A 10 GET_VREG w3, w1 // w3<- vB 11 GET_VREG w2, w0 // w2<- vA 12 FETCH_S wINST, 1 // wINST<- branch offset, in code units 13 cmp w2, w3 // compare (vA, vB) 14 b.${condition} MterpCommonTakenBranchNoFlags 15 cmp wPROFILE, #JIT_CHECK_OSR // possible OSR re-entry? 16 b.eq .L_check_not_taken_osr 17 FETCH_ADVANCE_INST 2 18 GET_INST_OPCODE ip // extract opcode from wINST 19 GOTO_OPCODE ip // jump to next instruction 20
