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Alignment of 64-bit integers on a 32-bit system may be to a 32-bit boundary!

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Beman
2013-05-30 10:07:43 -04:00
parent 74b122c581
commit 944bf285fa
1 changed files with 4 additions and 3 deletions
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doc/types.html
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@@ -332,8 +332,9 @@ memory, files, and network transmissions. </p>
<p><font color="#FF0000"><b><i><span style="background-color: #FFFFFF">Warning:</span></i></b></font><span style="background-color: #FFFFFF">
Code that uses a</span>ligned types is possibly non-portable because alignment
requirements vary between hardware architectures and because alignment may be
affected by compiler switches or pragmas. Furthermore, aligned types
are only available on architectures with 16, 32, and 64-bit integer types.</p>
affected by compiler switches or pragmas. For example, alignment of an 64-bit
integer may be to a 32-bit boundary on a 32-bit machine. Furthermore, aligned types
are only available on architectures with 16, 32, and 64-bit integer types. </p>
<p><b><i>Note:</i></b> One-byte types
have identical
functionality. They are provided to improve code readability and searchability.</p>
@@ -616,7 +617,7 @@ differs from endian representation size. Vicente Botet and other reviewers
suggested supporting floating point types.</p>
<hr>
<p>Last revised:
<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->29 May, 2013<!--webbot bot="Timestamp" endspan i-checksum="13994" --></p>
<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->30 May, 2013<!--webbot bot="Timestamp" endspan i-checksum="13977" --></p>
<p>© Copyright Beman Dawes, 2006-2009, 2013</p>
<p>Distributed under the Boost Software License, Version 1.0. See
<a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/ LICENSE_1_0.txt</a></p>