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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 />

MOVHLPS<br />

Move Packed Single-Precision Floating-Point<br />

High to Low<br />

Moves two packed single-precision floating-point values from the high-order <strong>64</strong> bits of<br />

an XMM register to the low-order <strong>64</strong> bits of another XMM register. The high-order <strong>64</strong><br />

bits of the destination XMM register are not modified.<br />

Mnemonic Opcode Description<br />

MOVHLPS xmm1, xmm2 0F 12 /r Moves two packed single-precision floating-point values from an XMM<br />

register to the destination XMM register.<br />

xmm1<br />

xmm2<br />

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

0<br />

127 96 95 <strong>64</strong> 63 0<br />

copy<br />

copy<br />

movhlps.eps<br />

Related Instructions<br />

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

rFLAGS Affected<br />

None<br />

MXCSR Flags Affected<br />

None<br />

MOVHLPS 153

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