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AMD 64-Bit Technology - ECE User Home Pages

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<strong>AMD</strong> <strong>64</strong>-<strong>Bit</strong> <strong>Technology</strong> 26568—Rev. 3.02—August 2002<br />

PMINUB<br />

Packed Minimum Unsigned Bytes<br />

Compares each of the packed 8-bit unsigned integer values in the first source operand<br />

with the corresponding packed 8-bit unsigned integer value in the second source<br />

operand and writes the numerically lesser of the two values for each comparison in<br />

the corresponding byte of the destination (first source). The first source/destination<br />

operand is an XMM register and the second source operand is another XMM register<br />

or 128-bit memory location.<br />

Mnemonic Opcode Description<br />

PMINUB xmm1, xmm2/mem128 66 0F DA /r Compares packed unsigned 8-bit integer values in an XMM<br />

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

and writes the lesser value of each comparison in the<br />

destination XMM register.<br />

xmm1<br />

xmm2/mem128<br />

. . . . . . . . . . . . . .<br />

127 0 127 0<br />

. . . . . . . . . . . . . .<br />

. . . . . . . . . . . . . .<br />

minimum<br />

minimum<br />

pminub-128.eps<br />

Related Instructions<br />

PMAXSW, PMAXUB, PMINSW<br />

rFLAGS Affected<br />

None<br />

MXCSR Flags Affected<br />

None<br />

260 PMINUB

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