diff options
Diffstat (limited to 'vm/mterp/mips/OP_AGET_WIDE.S')
| -rw-r--r-- | vm/mterp/mips/OP_AGET_WIDE.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/vm/mterp/mips/OP_AGET_WIDE.S b/vm/mterp/mips/OP_AGET_WIDE.S new file mode 100644 index 000000000..896ea4f58 --- /dev/null +++ b/vm/mterp/mips/OP_AGET_WIDE.S @@ -0,0 +1,27 @@ +%verify "executed" + /* + * Array get, 64 bits. vAA <- vBB[vCC]. + * + * Arrays of long/double are 64-bit aligned. + */ + /* aget-wide vAA, vBB, vCC */ + FETCH(a0, 1) # a0 <- CCBB + GET_OPA(rOBJ) # rOBJ <- AA + and a2, a0, 255 # a2 <- BB + srl a3, a0, 8 # a3 <- CC + GET_VREG(a0, a2) # a0 <- vBB (array object) + GET_VREG(a1, a3) # a1 <- vCC (requested index) + # null array object? + beqz a0, common_errNullObject # yes, bail + LOAD_base_offArrayObject_length(a3, a0) # a3 <- arrayObj->length + EAS3(a0, a0, a1) # a0 <- arrayObj + index*width + bgeu a1, a3, common_errArrayIndex # index >= length, bail + +.L${opcode}_finish: + FETCH_ADVANCE_INST(2) # advance rPC, load rINST + LOAD64_off(a2, a3, a0, offArrayObject_contents) + EAS2(rOBJ, rFP, rOBJ) # rOBJ <- &fp[AA] + GET_INST_OPCODE(t0) # extract opcode from rINST + STORE64(a2, a3, rOBJ) # vAA/vAA+1 <- a2/a3 + GOTO_OPCODE(t0) # jump to next instruction + |