AMD x86-64 Architecture Programmer's Manual, Volume 4, 128-Bit ...

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AMD64 Technology 26568—Rev. 3.05—September 2003 PANDN Packed Logical Bitwise AND NOT Performs a bitwise logical AND of the value in the second source operand and the one’s complement of the value in the first source operand and writes the result in the destination (first source). The first source/destination operand is an XMM register and the second source operand is another XMM register or 128-bit memory location. Mnemonic Opcode Description PANDN xmm1, xmm2/mem128 66 0F DF /r Performs bitwise logical AND NOT of values in an XMM register and in another XMM register or 128-bit memory location and writes the result in the destination XMM register. Related Instructions PAND, POR, PXOR rFLAGS Affected None MXCSR Flags Affected None xmm1 xmm2/mem128 127 0 invert AND 230 PANDN 127 0 pandn-128.eps
26568—Rev. 3.05—September 2003 AMD64 Technology Exceptions Exception Real Invalid opcode, #UD X X Virtual 8086 Protected Cause of Exception X X X X The SSE2 instructions are not supported, as indicated by bit 26 of CPUID standard function 1. The emulate bit (EM) of CR0 was set to 1. X X X The operating-system FXSAVE/FXRSTOR support bit (OSFXSR) of CR4 is cleared to 0. Device not available, #NM X X X The task-switch bit (TS) of CR0 was set to 1. Stack, #SS X X X A memory address exceeded the stack segment limit or was non-canonical. General protection, #GP X X X X A memory address exceeded a data segment limit or was non-canonical. A null data segment was used to reference memory. X X X The memory operand was not aligned on a 16-byte boundary. Page fault, #PF X X A page fault resulted from the execution of the instruction. PANDN 231
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AMD x86-64 Architecture Programmer's Manual, Volume 4, 128-Bit ...

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