| %verify "executed" |
| /* |
| * Store an object into an array. vBB[vCC] <- vAA. |
| * |
| */ |
| /* op vAA, vBB, vCC */ |
| FETCH(a0, 1) # a0 <- CCBB |
| GET_OPA(t1) # t1 <- AA |
| and a2, a0, 255 # a2 <- BB |
| srl a3, a0, 8 # a3 <- CC |
| GET_VREG(rINST, a2) # rINST <- vBB (array object) |
| GET_VREG(a1, a3) # a1 <- vCC (requested index) |
| GET_VREG(rBIX, t1) # rBIX <- vAA |
| # null array object? |
| beqz rINST, common_errNullObject # yes, bail |
| |
| LOAD_base_offArrayObject_length(a3, rINST) # a3 <- arrayObj->length |
| EAS2(rOBJ, rINST, a1) # rOBJ <- arrayObj + index*width |
| # compare unsigned index, length |
| bgeu a1, a3, common_errArrayIndex # index >= length, bail |
| /* |
| * On entry: |
| * rINST = vBB (arrayObj) |
| * rBIX = vAA (obj) |
| * rOBJ = offset into array (vBB + vCC * width) |
| */ |
| bnez rBIX, .L${opcode}_checks # yes, skip type checks |
| .L${opcode}_finish: |
| FETCH_ADVANCE_INST(2) # advance rPC, load rINST |
| sw rBIX, offArrayObject_contents(rOBJ) # vBB[vCC] <- vAA |
| GET_INST_OPCODE(t0) # extract opcode from rINST |
| GOTO_OPCODE(t0) # jump to next instruction |
| |
| %break |
| .L${opcode}_checks: |
| LOAD_base_offObject_clazz(a0, rBIX) # a0 <- obj->clazz |
| LOAD_base_offObject_clazz(a1, rINST) # a1 <- arrayObj->clazz |
| JAL(dvmCanPutArrayElement) # test object type vs. array type |
| beqz v0, .L${opcode}_throw # okay ? |
| lw a2, offThread_cardTable(rSELF) |
| srl t1, rINST, GC_CARD_SHIFT |
| addu t2, a2, t1 |
| sb a2, (t2) |
| b .L${opcode}_finish # yes, skip type checks |
| .L${opcode}_throw: |
| LOAD_base_offObject_clazz(a0, rBIX) # a0 <- obj->clazz |
| LOAD_base_offObject_clazz(a1, rINST) # a1 <- arrayObj->clazz |
| EXPORT_PC() |
| JAL(dvmThrowArrayStoreExceptionIncompatibleElement) |
| b common_exceptionThrown |
