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

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AMD64 Technology 26568—Rev. 3.05—September 2003 Exceptions Exception Real Invalid opcode, #UD X X 144 MOVAPS Virtual 8086 Protected Cause of Exception X X X X The SSE instructions are not supported, as indicated by bit 25 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 was 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 X A memory address exceeded a data segment limit or was non-canonical. A null data segment was used to reference memory. The destination operand was in a non-writable segment. 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.
26568—Rev. 3.05—September 2003 AMD64 Technology MOVD Move Doubleword or Quadword Moves a 32-bit or 64-bit value in one of the following ways: � from a 32-bit or 64-bit general-purpose register or memory location to the loworder 32 or 64 bits of an XMM register, with zero-extension to 128 bits � from the low-order 32 or 64 bits of an XMM to a 32-bit or 64-bit general-purpose register or memory location � from a 32-bit or 64-bit general-purpose register or memory location to the loworder 32 bits (with zero-extension to 64 bits) or the full 64 bits of an MMX register � from the low-order 32 or the full 64 bits of an MMX register to a 32-bit or 64-bit general-purpose register or memory location Mnemonic Opcode Description MOVD xmm, reg/mem32 66 0F 6E /r Move 32-bit value from a general-purpose register or 32-bit memory location to an XMM register. MOVD xmm, reg/mem64 66 0F 6E /r Move 64-bit value from a general-purpose register or 64-bit memory location to an XMM register. MOVD reg/mem32, xmm 66 0F 7E /r Move 32-bit value from an XMM register to a 32-bit generalpurpose register or memory location. MOVD reg/mem64, xmm 66 0F 7E /r Move 64-bit value from an XMM register to a 64-bit generalpurpose register or memory location. The following diagrams illustrate the operation of the MOVD instruction. MOVD 145
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