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RealView Compilation Tools - ARM Information Center

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Compiler-specific Features<br />

Table 4-15 (continued)<br />

<strong>ARM</strong>v6 SIMD instruction intrinsics grouped by prefix<br />

Intrinsic classification __s a __q b __sh c __u d __uq e __uh f<br />

Exchange halfwords of one operand,<br />

perform 2x16-bit multiplication, add both<br />

results to another operand<br />

Perform 2x16-bit multiplication, add both<br />

results to another operand<br />

Exchange halfwords of one operand,<br />

perform 2x16-bit multiplication, add both<br />

results to another operand<br />

Exchange halfwords of one operand,<br />

perform two signed 16-bit multiplications,<br />

add difference of products to a 32-bit<br />

accumulate operand.<br />

__smladx - - - - -<br />

__smlald - - - - -<br />

__smlaldx - - - - -<br />

__smlsdx - - - - -<br />

a. Signed<br />

b. Signed saturating<br />

c. Signed halving<br />

d. Unsigned<br />

e. Unsigned saturating<br />

f. Unsigned halving.<br />

<strong>ARM</strong> DUI 0348C Copyright © 2007-2010 <strong>ARM</strong>. All rights reserved. 4-111<br />

ID101213<br />

Non-Confidential,

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