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AMD 64-Bit Technology - ECE User Home Pages

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26568—Rev. 3.02—August 2002<br />

<strong>AMD</strong> <strong>64</strong>-<strong>Bit</strong> <strong>Technology</strong><br />

MOVLPD<br />

Move Low Packed Double-Precision<br />

Floating-Point<br />

Moves a double-precision floating-point value:<br />

„ from a <strong>64</strong>-bit memory location to the low-order <strong>64</strong> bits of an XMM register, or<br />

„ from the low-order <strong>64</strong> bits of an XMM register to a <strong>64</strong>-bit memory location.<br />

The high-order <strong>64</strong> bits of the destination XMM register are not modified.<br />

Mnemonic Opcode Description<br />

MOVLPD xmm, mem<strong>64</strong> 66 0F 12 /r Moves double-precision floating-point value from a <strong>64</strong>-bit memory<br />

location to an XMM register.<br />

MOVLPD mem<strong>64</strong>, xmm 66 0F 13 /r Moves double-precision floating-point value from an XMM register to a<br />

<strong>64</strong>-bit memory location.<br />

xmm<br />

127 <strong>64</strong> 63 0<br />

mem<strong>64</strong><br />

63 0<br />

copy<br />

mem<strong>64</strong><br />

xmm<br />

63 0 127 <strong>64</strong> 63 0<br />

copy<br />

movlpd.eps<br />

Related Instructions<br />

MOVAPD, MOVHPD, MOVMSKPD, MOVSD, MOVUPD<br />

MOVLPD 161

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