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 mov r1, rINST, lsr #12 @ r1<- B 9 ubfx r0, rINST, #8, #4 @ r0<- A 10 GET_VREG r3, r1 @ r3<- vB 11 GET_VREG r0, r0 @ r0<- vA 12 FETCH_S rINST, 1 @ rINST<- branch offset, in code units 13 cmp r0, r3 @ compare (vA, vB) 14 b${condition} MterpCommonTakenBranchNoFlags 15 cmp rPROFILE, #JIT_CHECK_OSR @ possible OSR re-entry? 16 beq .L_check_not_taken_osr 17 FETCH_ADVANCE_INST 2 18 GET_INST_OPCODE ip @ extract opcode from rINST 19 GOTO_OPCODE ip @ jump to next instruction 20
