19 lines
848 B
ArmAsm
19 lines
848 B
ArmAsm
%default { "load":"movl", "shift":"4", "data_offset":"MIRROR_INT_ARRAY_DATA_OFFSET" }
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/*
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* Array get, 32 bits or less. vAA <- vBB[vCC].
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*
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* for: aget, aget-boolean, aget-byte, aget-char, aget-short
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*
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*/
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/* op vAA, vBB, vCC */
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movzbl 2(rPC), %eax # eax <- BB
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movzbl 3(rPC), %ecx # ecx <- CC
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GET_VREG %eax, %eax # eax <- vBB (array object)
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GET_VREG %ecx, %ecx # ecx <- vCC (requested index)
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testl %eax, %eax # null array object?
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je common_errNullObject # bail if so
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cmpl MIRROR_ARRAY_LENGTH_OFFSET(%eax), %ecx
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jae common_errArrayIndex # index >= length, bail.
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$load $data_offset(%eax,%ecx,$shift), %eax
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SET_VREG %eax, rINST
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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