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ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

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Assembler syntax<br />

Instruction Details<br />

VMVN.dt> , # Encoding T1 / A1, Q = 1<br />

VMVN.dt> , # Encoding T1 / A1, Q = 0<br />

where:<br />

See St<strong>and</strong>ard assembler syntax fields on page A8-7. An <strong>ARM</strong> VMVN instruction must be<br />

unconditional.<br />

The data type. It must be either I16 or I32.<br />

The destination register for a quadword operation.<br />

The destination register for a doubleword operation.<br />

A constant of the specified type.<br />

See One register <strong>and</strong> a modified immediate value on page A7-21 for the range of constants available, <strong>and</strong><br />

the encoding of <strong>and</strong> .<br />

Operation<br />

if ConditionPassed() then<br />

EncodingSpecificOperations(); CheckAdvSIMDEnabled();<br />

for r = 0 to regs-1<br />

D[d+r] = NOT(imm64);<br />

Exceptions<br />

Undefined Instruction.<br />

Pseudo-instructions<br />

One register <strong>and</strong> a modified immediate value on page A7-21 describes pseudo-instructions with a<br />

combination of <strong>and</strong> that is not supported by hardware, but that generates the same destination<br />

register value as a different combination that is supported by hardware.<br />

<strong>ARM</strong> DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 <strong>ARM</strong> Limited. All rights reserved. A8-669

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