[llvm-commits] [llvm] r140548 - /llvm/trunk/lib/Target/PTX/PTXInstrInfo.td

[Justin Holewinski]

On Wed, Sep 28, 2011 at 2:32 PM, Chris Lattner <clattner at apple.com> wrote:

>
> On Sep 26, 2011, at 11:57 AM, Justin Holewinski wrote:
>
> > Author: jholewinski
> > Date: Mon Sep 26 13:57:24 2011
> > New Revision: 140548
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=140548&view=rev
> > Log:
> > PTX: Implement ISD::ANY_EXTEND
>
> Hi Justin,
>
> Would it make more sense to define these as Pat<> patterns (which map to
> existing instructions) than as new instructions?
>

Yeah, I've been meaning to redo most of the instruction patterns.  I've
fixed up the conversion ops in r140753.


>
> -Chris
>
> >
> > Modified:
> >    llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
> >
> > Modified: llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
> > URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXInstrInfo.td?rev=140548&r1=140547&r2=140548&view=diff
> >
> ==============================================================================
> > --- llvm/trunk/lib/Target/PTX/PTXInstrInfo.td (original)
> > +++ llvm/trunk/lib/Target/PTX/PTXInstrInfo.td Mon Sep 26 13:57:24 2011
> > @@ -849,6 +849,18 @@
> >   : InstPTX<(outs RegF64:$d), (ins RegF32:$a), "cvt.f64.f32\t$d, $a",
> >             [(set RegF64:$d, (fextend RegF32:$a))]>;
> >
> > +// NOTE: These are temporarily here to help test some Clang-generated
> code.
> > +// We really need to properly introduce anyext and bitconvert into the
> back-end.
> > +// ANY_EXTEND
> > +def ANY_EXTEND_I64_I32
> > +  : InstPTX<(outs RegI64:$d), (ins RegI32:$a), "cvt.u64.u32\t$d, $a",
> > +            [(set RegI64:$d, (anyext RegI32:$a))]>;
> > +
> > +// BITCAST
> > +def BITCAST_I32_F32
> > +  : InstPTX<(outs RegI32:$d), (ins RegF32:$a), "mov.b32\t$d, $a",
> > +            [(set RegI32:$d, (bitconvert RegF32:$a))]>;
> > +
> > ///===- Control Flow Instructions
> -----------------------------------------===//
> >
> > let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
> >
> >
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>
>


-- 

Thanks,

Justin Holewinski
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