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Re: [PATCH 199/236] Introduce rtx_insn_list subclass of rtx_def


On Wed, Aug 06, 2014 at 01:22:58PM -0400, David Malcolm wrote:
> +class GTY(()) rtx_insn_list : public rtx_def
> +{
> +  /* No extra fields, but adds invariant: (GET_CODE (X) == INSN_LIST).

some nice future work would be to see if these can stop being rtxen at
all and just have a insn and next pointer.

Trev


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