18 lines
769 B
ArmAsm
18 lines
769 B
ArmAsm
%default {}
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/*:
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* Generic 64-bit floating-point operation.
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*
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* For: add-double, sub-double, mul-double, div-double.
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* form: <op> f0, f0, f1
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*/
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/* binop vAA, vBB, vCC */
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srl a4, rINST, 8 # a4 <- AA
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lbu a2, 2(rPC) # a2 <- BB
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lbu a3, 3(rPC) # a3 <- CC
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GET_VREG_DOUBLE f0, a2 # f0 <- vBB
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GET_VREG_DOUBLE f1, a3 # f1 <- vCC
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$instr # f0 <- f0 op f1
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FETCH_ADVANCE_INST 2 # advance rPC, load rINST
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GET_INST_OPCODE v0 # extract opcode from rINST
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SET_VREG_DOUBLE f0, a4 # vAA <- f0
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GOTO_OPCODE v0 # jump to next instruction
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