1 /* 2 * Generic two-operand compare-and-branch operation. Provide a "condition" 3 * fragment that specifies the comparison to perform, e.g. for 4 * "if-le" you would use "le". 5 * 6 * For: if-eq, if-ne, if-lt, if-ge, if-gt, if-le 7 */ 8 /* if-cmp vA, vB, +CCCC */ 9 ext a2, rINST, 8, 4 # a2 <- A 10 ext a3, rINST, 12, 4 # a3 <- B 11 lh rINST, 2(rPC) # rINST <- offset (sign-extended CCCC) 12 GET_VREG a0, a2 # a0 <- vA 13 GET_VREG a1, a3 # a1 <- vB 14 b${condition}c a0, a1, MterpCommonTakenBranchNoFlags 15 li v0, JIT_CHECK_OSR # possible OSR re-entry? 16 beqc rPROFILE, v0, .L_check_not_taken_osr 17 FETCH_ADVANCE_INST 2 # advance rPC, load rINST 18 GET_INST_OPCODE v0 # extract opcode from rINST 19 GOTO_OPCODE v0 # jump to next instruction 20
