<div dir="ltr">Hal,<div><br></div><div><a href="http://llvm.org/viewvc/llvm-project?rev=225987&view=rev" target="_blank" style="font-size:13px">http://llvm.org/viewvc/llvm-project?rev=225987&view=rev</a></div><div><br></div><div>Thanks,</div><div>Olivier</div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-01-14 10:02 GMT-05:00 Hal Finkel <span dir="ltr"><<a href="mailto:hfinkel@anl.gov" target="_blank">hfinkel@anl.gov</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Olivier,<br>
<br>
Please also commit a regression test (adapting them from the PPC tests is obviously fine).<br>
<br>
 -Hal<br>
<div class="HOEnZb"><div class="h5"><br>
----- Original Message -----<br>
> From: "Olivier Sallenave" <<a href="mailto:ohsallen@us.ibm.com">ohsallen@us.ibm.com</a>><br>
> To: <a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br>
> Sent: Wednesday, January 14, 2015 8:47:24 AM<br>
> Subject: [llvm] r225984 - Override the TLI callback enableAggressiveFMAFusion and return true. Indeed, fmul,  fmadd<br>
> and fadd nodes cost the same number of cycles,        so we can enable more combining heuristics to produce more fmadd<br>
> nodes.<br>
><br>
> Author: ohsallen<br>
> Date: Wed Jan 14 08:47:24 2015<br>
> New Revision: 225984<br>
><br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=225984&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=225984&view=rev</a><br>
> Log:<br>
> Override the TLI callback enableAggressiveFMAFusion and return true.<br>
> Indeed, fmul, fmadd and fadd nodes cost the same number of cycles,<br>
> so we can enable more combining heuristics to produce more fmadd<br>
> nodes.<br>
><br>
> Modified:<br>
>     llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h<br>
><br>
> Modified: llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h<br>
> URL:<br>
> <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h?rev=225984&r1=225983&r2=225984&view=diff" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h?rev=225984&r1=225983&r2=225984&view=diff</a><br>
> ==============================================================================<br>
> --- llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h (original)<br>
> +++ llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.h Wed Jan 14<br>
> 08:47:24 2015<br>
> @@ -507,6 +507,8 @@ public:<br>
><br>
>    bool isFMAFasterThanFMulAndFAdd(EVT) const override { return true;<br>
>    }<br>
><br>
> +  bool enableAggressiveFMAFusion(EVT VT) const override { return<br>
> true; }<br>
> +<br>
>  private:<br>
>    const NVPTXSubtarget &nvptxSubtarget; // cache the subtarget here<br>
><br>
><br>
><br>
> _______________________________________________<br>
> llvm-commits mailing list<br>
> <a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br>
> <a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><br>
><br>
<br>
</div></div><span class="HOEnZb"><font color="#888888">--<br>
Hal Finkel<br>
Assistant Computational Scientist<br>
Leadership Computing Facility<br>
Argonne National Laboratory<br>
</font></span><div class="HOEnZb"><div class="h5">_______________________________________________<br>
llvm-commits mailing list<br>
<a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br>
<a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><br>
</div></div></blockquote></div><br></div>