<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">llc -mattr=+v5e,-v6<div><br></div><div>See ARM.td for subtarget features.</div><div><br></div><div>Evan</div><div><br><div><div>On Oct 11, 2008, at 11:09 PM, kapil anand wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">I have one more question regarding ARM codegen support. Is it possible to pass a flag to Codegen to generate only ARMv5 instructions and not to use instructions from higher versions, ( In other words, is this version specific information present in LLVM codegen?)<br> <br><br>Thanks<br><br>Kapil<br><br><div class="gmail_quote">On Fri, Oct 10, 2008 at 10:12 PM, Chris Lattner <span dir="ltr"><<a href="mailto:clattner@apple.com">clattner@apple.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="Ih2E3d"><br> On Oct 10, 2008, at 2:07 PM, kapil anand wrote:<br> <br> </div><div class="Ih2E3d">> Media instructions like - parallel add and subtract, Sign/Zero<br> > Extend and Add instructions seem to be missing from ARM target<br> > support. These instructions are not listed in GenInstrNames.inc<br> <br> </div>These would be best supported by adding builtins to llvm-gcc and<br> adding intrinsics to llvm. Some of them could be implemented as <2 x<br> i16> operations as well.<br> <br> Any help to implement this support would be great,<br> <font color="#888888"><br> -Chris<br> </font><div><div></div><div class="Wj3C7c">_______________________________________________<br> LLVM Developers mailing list<br> <a href="mailto:LLVMdev@cs.uiuc.edu">LLVMdev@cs.uiuc.edu</a> <a href="http://llvm.cs.uiuc.edu" target="_blank">http://llvm.cs.uiuc.edu</a><br> <a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev</a><br> </div></div></blockquote></div><br></div> _______________________________________________<br>LLVM Developers mailing list<br><a href="mailto:LLVMdev@cs.uiuc.edu">LLVMdev@cs.uiuc.edu</a> <a href="http://llvm.cs.uiuc.edu">http://llvm.cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev">http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev</a><br></blockquote></div><br></div></body></html>