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