23 lines
310 B
C++
23 lines
310 B
C++
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asm {
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DIV_U64_BY_U64::
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ENTER 0
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XOR RDX,RDX
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MOV RCX,64
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MOV RAX,SF_ARG1[RBP]
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MOV RBX,SF_ARG2[RBP]
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@@1: SHL1 RAX
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RCL1 RDX
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CMP RBX,RDX
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JA @@2
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INC RAX
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SUB RDX,RBX
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@@2: LOOP @@1
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LEAVE
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RET1 16
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}
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_extern DIV_U64_BY_U64 I64 DivU64ByU64(I64 dividend,I64 divisor);
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"123456/10=%d\n",DivU64ByU64(123456,10); |