1a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham%default { "load":"lw", "shift":"2" } 2a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham%verify "executed" 3a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham /* 4a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * Array get, 32 bits or less. vAA <- vBB[vCC]. 5a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * 6a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * Note: using the usual FETCH/and/shift stuff, this fits in exactly 17 7a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * instructions. We use a pair of FETCH_Bs instead. 8a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * 9a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham * for: aget, aget-object, aget-boolean, aget-byte, aget-char, aget-short 10a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham */ 11a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham /* op vAA, vBB, vCC */ 12a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham FETCH_B(a2, 1) # a2 <- BB 13a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham GET_OPA(rOBJ) # rOBJ <- AA 14a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham FETCH_C(a3, 1) # a3 <- CC 15a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham GET_VREG(a0, a2) # a0 <- vBB (array object) 16a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham GET_VREG(a1, a3) # a1 <- vCC (requested index) 17a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham # null array object? 18a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham beqz a0, common_errNullObject # yes, bail 19a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham LOAD_base_offArrayObject_length(a3, a0) # a3 <- arrayObj->length 20a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham .if $shift 21a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham EASN(a0, a0, a1, $shift) # a0 <- arrayObj + index*width 22a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham .else 23a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham addu a0, a0, a1 24a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham .endif 25a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham # a1 >= a3; compare unsigned index 26a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham bgeu a1, a3, common_errArrayIndex # index >= length, bail 27a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham FETCH_ADVANCE_INST(2) # advance rPC, load rINST 28a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham $load a2, offArrayObject_contents(a0) # a2 <- vBB[vCC] 29a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham GET_INST_OPCODE(t0) # extract opcode from rINST 30a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham SET_VREG_GOTO(a2, rOBJ, t0) # vAA <- a2 31a8b91c52fd8a90b784835dfe1f8898035266c4ddRaghu Gandham 32