[LLVMdev] patch for llc/ARM: added mechanism to move switch tables from .text -> .data; also cleanup and documentation

Evan Cheng evan.cheng at apple.com
Sat Jun 6 13:51:13 PDT 2009

+cl::opt<std::string> FlagJumpTableSection("jumptable-section",
+                                           cl::init(".data.jtab"));

Is this necessary? Why not just put it in the normal data section?

Also "outline" jumptable seems like a strange term. Can you think of  
something else?



Sent from my iPhone

On Jun 2, 2009, at 6:26 PM, robert muth <robert at muth.org> wrote:

> Hi:
> This is my first patch submission. Hopefully, this is the proper the  
> protocol.
> Attached is a patch for the llc ARM backend:
> Added mechanism to generate switch table in a data section
> rather than having it interleaved with the code.
> This is controlled by command line flags and off by default.
> Also, tried to document and improve the code where I modified it.
> Robert
> <llc.patch.txt>
> _______________________________________________
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> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
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