19 lines
922 B
ArmAsm
19 lines
922 B
ArmAsm
%default {"preinstr":"", "result0":"a0", "result1":"a1"}
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/*
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* Generic 32bit-to-64bit unary operation. Provide an "instr" line
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* that specifies an instruction that performs "result = op a0", where
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* "result" is a 64-bit quantity in a0/a1.
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*
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* For: int-to-long
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*/
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/* unop vA, vB */
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GET_OPA4(rOBJ) # rOBJ <- A+
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GET_OPB(a3) # a3 <- B
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GET_VREG(a0, a3) # a0 <- vB
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FETCH_ADVANCE_INST(1) # advance rPC, load rINST
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$preinstr # optional op
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$instr # result <- op, a0-a3 changed
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GET_INST_OPCODE(t0) # extract opcode from rINST
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SET_VREG64($result0, $result1, rOBJ) # vA/vA+1 <- a0/a1
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GOTO_OPCODE(t0) # jump to next instruction
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/* 10-11 instructions */
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