156 lines
5.9 KiB
ArmAsm
156 lines
5.9 KiB
ArmAsm
%def op_aget(load="movl", multiplier="4", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0", is_object="0"):
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/*
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* Array get. vAA <- vBB[vCC].
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*
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* for: aget, aget-boolean, aget-byte, aget-char, aget-short, aget-wide, aget-object
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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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.if $wide
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movq $data_offset(%eax,%ecx,8), %xmm0
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SET_WIDE_FP_VREG %xmm0, rINST # vAA <- xmm0
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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.elseif $is_object
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testb $$READ_BARRIER_TEST_VALUE, GRAY_BYTE_OFFSET(%eax)
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$load $data_offset(%eax,%ecx,$multiplier), %eax
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jnz 2f
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1:
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SET_VREG_OBJECT %eax, rINST
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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2:
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// reg00 is eax
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call art_quick_read_barrier_mark_reg00
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jmp 1b
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.else
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$load $data_offset(%eax,%ecx,$multiplier), %eax
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SET_VREG %eax, rINST
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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.endif
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%def op_aget_boolean():
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% op_aget(load="movzbl", multiplier="1", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET")
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%def op_aget_byte():
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% op_aget(load="movsbl", multiplier="1", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET")
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%def op_aget_char():
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% op_aget(load="movzwl", multiplier="2", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET")
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%def op_aget_object():
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% op_aget(load="movl", multiplier="4", data_offset="MIRROR_OBJECT_ARRAY_DATA_OFFSET", is_object="1")
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%def op_aget_short():
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% op_aget(load="movswl", multiplier="2", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET")
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%def op_aget_wide():
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% op_aget(load="", multiplier="8", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1")
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%def op_aput(rINST_reg="rINST", store="movl", multiplier="4", data_offset="MIRROR_INT_ARRAY_DATA_OFFSET", wide="0"):
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/*
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* Array put. vBB[vCC] <- vAA.
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*
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* for: aput, aput-boolean, aput-byte, aput-char, aput-short, aput-wide
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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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.if $wide
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GET_WIDE_FP_VREG %xmm0, rINST # xmm0 <- vAA
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movq %xmm0, $data_offset(%eax,%ecx,8) # vBB[vCC] <- xmm0
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.else
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GET_VREG rINST, rINST
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$store $rINST_reg, $data_offset(%eax,%ecx,$multiplier)
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.endif
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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%def op_aput_boolean():
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% op_aput(rINST_reg="rINSTbl", store="movb", multiplier="1", data_offset="MIRROR_BOOLEAN_ARRAY_DATA_OFFSET")
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%def op_aput_byte():
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% op_aput(rINST_reg="rINSTbl", store="movb", multiplier="1", data_offset="MIRROR_BYTE_ARRAY_DATA_OFFSET")
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%def op_aput_char():
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% op_aput(rINST_reg="rINSTw", store="movw", multiplier="2", data_offset="MIRROR_CHAR_ARRAY_DATA_OFFSET")
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%def op_aput_short():
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% op_aput(rINST_reg="rINSTw", store="movw", multiplier="2", data_offset="MIRROR_SHORT_ARRAY_DATA_OFFSET")
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%def op_aput_wide():
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% op_aput(rINST_reg="", store="", multiplier="8", data_offset="MIRROR_WIDE_ARRAY_DATA_OFFSET", wide="1")
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%def op_aput_object():
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EXPORT_PC # for the art_quick_aput_obj call
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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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GET_VREG %edx, rINST
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call art_quick_aput_obj
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RESTORE_IBASE # edx got overwritten, restore it
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 2
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%def op_array_length():
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/*
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* Return the length of an array.
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*/
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movl rINST, %eax # eax <- BA
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sarl $$4, rINST # rINST <- B
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GET_VREG %ecx, rINST # ecx <- vB (object ref)
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testl %ecx, %ecx # is null?
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je common_errNullObject
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andb $$0xf, %al # eax <- A
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movl MIRROR_ARRAY_LENGTH_OFFSET(%ecx), rINST
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SET_VREG rINST, %eax
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 1
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%def op_fill_array_data():
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/* fill-array-data vAA, +BBBBBBBB */
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EXPORT_PC
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movl 2(rPC), %ecx # ecx <- BBBBbbbb
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leal (rPC,%ecx,2), ARG0 # ARG0 <- PC + BBBBbbbb*2
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GET_VREG ARG1, rINST # ARG1 <- vAA (array object)
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call art_quick_handle_fill_data
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RESTORE_IBASE
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
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%def op_filled_new_array(helper="nterp_filled_new_array"):
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/*
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* Create a new array with elements filled from registers.
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*
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* for: filled-new-array, filled-new-array/range
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*/
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/* op vB, {vD, vE, vF, vG, vA}, class@CCCC */
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/* op {vCCCC..v(CCCC+AA-1)}, type@BBBB */
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EXPORT_PC
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movl rSELF:THREAD_SELF_OFFSET, ARG0
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movl (%esp), ARG1
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movl rFP, ARG2
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movl rPC, ARG3
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call SYMBOL($helper)
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ADVANCE_PC_FETCH_AND_GOTO_NEXT 3
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%def op_filled_new_array_range():
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% op_filled_new_array(helper="nterp_filled_new_array_range")
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%def op_new_array():
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jmp NterpNewArray
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