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

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<strong>AMD</strong><strong>64</strong> Technology 26568—Rev. 3.05—September 2003<br />

ADDPD Add Packed Double-Precision Floating-Point<br />

Adds each packed double-precision floating-point value in the first source operand to<br />

the corresponding packed double-precision floating-point value in the second source<br />

operand and writes the result of each addition in the corresponding quadword of the<br />

destination (first source). The first source/destination operand is an XMM register.<br />

The second source operand is another XMM register or <strong>128</strong>-bit memory location.<br />

Mnemonic Opcode Description<br />

ADDPD xmm1, xmm2/mem<strong>128</strong> 66 0F 58 /r Adds two packed double-precision floating-point values in an<br />

XMM register and another XMM register or <strong>128</strong>-bit memory<br />

location and writes the result in the destination XMM register.<br />

Related Instructions<br />

ADDPS, ADDSD, ADDSS<br />

rFLAGS Affected<br />

None<br />

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

add<br />

xmm1 xmm2/mem<strong>128</strong><br />

add<br />

4 ADDPD<br />

addpd.eps

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