[llvm-commits] New feature support for the Hexagon backend

[Tony Linthicum]

On 5/10/2012 8:38 AM, jverma at codeaurora.org wrote:
> Hi All,
>
> I'm adding a new feature support, called constant extenders, for the
> Hexagon backend. Please find attached the patch file for the same. This
> feature enables the Hexagon target to encode a 32-bit immediate value in
> an instruction. Once constant extended, an instruction takes 2 instruction
> words in the packet. This patch modifies the existing instruction
> patterns. It also  adds a new Hexagon specific pass which optimizes usage
> of the constant extended instructions by converting them into their
> non-extended form.
>
> Thanks,
> Jyotsna
>
>
>
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The extensive switch statements are what he plan to remove when we 
revisit this later this summer, correct?

Tony

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