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Subject: Re: [Qemu-devel] [PATCH] microblaze: Add support for the clz insn
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To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: qemu-devel@nongnu.org

On 01/10/2012 09:27 PM, Edgar E. Iglesias wrote:
> +++ b/target-microblaze/helper.h
> @@ -5,6 +5,7 @@ DEF_HELPER_0(debug, void)
>  DEF_HELPER_FLAGS_3(carry, TCG_CALL_PURE | TCG_CALL_CONST, i32, i32, i32, i32)
>  DEF_HELPER_2(cmp, i32, i32, i32)
>  DEF_HELPER_2(cmpu, i32, i32, i32)
> +DEF_HELPER_1(clz, i32, i32)

Use DEF_HELPER_FLAGS_1 with PURE|CONST, since the function examines 
nothing but its arguments.


r~