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Add a note about SPARC V8.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21981 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -170,8 +170,15 @@ of permissions. Specify a path into which LLVM can be installed (e.g.
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<p><b>Solaris/SPARC:</b></p>
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<p>
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For Solaris/SPARC, LLVM only supports the SPARC V9 architecture. Therefore,
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the configure command line should specify sparcv9, as shown below. Also,
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The GCC front-end can be configured for either SPARC V8 (32 bit) or SPARC V9 (64
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bit). This changes, among other things, the sizes of integer types and the
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macros defined for conditional compilation.
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</p>
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<p>
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The SPARC V8 backend is still beta quality software. Unless you are working on
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the SPARC V8 backend, you should specify sparcv9 on the configure command line,
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as shown below. Also,
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note that Solaris has trouble with various wide (multibyte) character
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functions from C as referenced from C++, so we typically configure with
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--disable-c-mbchar (cf. <a href="http://llvm.cs.uiuc.edu/PR206">Bug 206</a>).
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