> I want to create a rtx which will fit the description of the following
> operand. (taken from selv2sf4 instruction in the rs6000/paired.md machine
> description)
>
> (match_operand:SF 4 "zero_fp_constant" "F")
>
> I am not sure how to create such zero const_double rtx and I appreciate
> help regarding this.

CONST0_RTX (SFmode)

-- 
Eric Botcazou

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