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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 />

CVTPI2PD<br />

Convert Packed Doubleword Integers to Packed<br />

Double-Precision Floating-Point<br />

Converts two packed 32-bit signed integer values in an MMX register or a <strong>64</strong>-bit<br />

memory location to two double-precision floating-point values and writes the<br />

converted values in an XMM register.<br />

Mnemonic Opcode Description<br />

CVTPI2PD xmm, mmx/mem<strong>64</strong> 66 0F 2A /r Converts two packed doubleword integer values in an MMX<br />

register or <strong>64</strong>-bit memory location to two packed doubleprecision<br />

floating-point values in the destination XMM register.<br />

xmm<br />

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

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

63 32 31 0<br />

convert<br />

convert<br />

cvtpi2pd.eps<br />

Related Instructions<br />

CVTDQ2PD, CVTPD2DQ, CVTPD2PI, CVTSD2SI, CVTSI2SD, CVTTPD2DQ,<br />

CVTTPD2PI, CVTTSD2SI<br />

rFLAGS Affected<br />

None<br />

MXCSR Flags Affected<br />

None<br />

CVTPI2PD 55

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