[PATCH v4 16/17] RISC-V: Build Infastructure

Joseph Myers joseph@codesourcery.com
Mon Jan 15 17:44:00 GMT 2018


On Sat, 13 Jan 2018, Palmer Dabbelt wrote:

> diff --git a/sysdeps/riscv/preconfigure b/sysdeps/riscv/preconfigure

> +    case "$flen" in
> +    64)
> +    	float_machine=rvd
> +	with_fp_cond=1
> +    	;;
> +    "")
> +    	float_machine=
> +	with_fp_cond=0
> +    	;;
> +    *)
> +    	echo "Unable to determine FLEN" >&2
> +    	exit 1
> +    	;;
> +    esac

It's deliberate that you don't support the "f" ABI.  Is it also deliberate 
that here you don't support the case of "f" hardware (float but not double 
supported in hardware) with the soft-float ABI, despite having sysdeps 
directories structured to distinguish rvf and rvd?

-- 
Joseph S. Myers
joseph@codesourcery.com



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