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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 />

MOVLPS<br />

Move Low Packed Single-Precision<br />

Floating-Point<br />

Moves two packed single-precision floating-point values:<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 />

MOVLPS xmm, mem<strong>64</strong> 0F 12 /r Moves two packed single-precision floating-point values from a <strong>64</strong>-bit<br />

memory location to an XMM register.<br />

MOVLPS mem<strong>64</strong>, xmm 0F 13 /r Moves two packed single-precision floating-point values from an XMM<br />

register to a <strong>64</strong>-bit memory location.<br />

xmm<br />

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

127 <strong>64</strong> 63 32 31 0<br />

63 32 31<br />

0<br />

copy<br />

copy<br />

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

xmm<br />

63 32 31<br />

0 127 <strong>64</strong> 63 32 31 0<br />

copy<br />

copy<br />

movlps.eps<br />

Related Instructions<br />

MOVAPS, MOVHLPS, MOVHPS, MOVLHPS, MOVMSKPS, MOVSS, MOVUPS<br />

MOVLPS 163

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