Re: [Qemu-devel] [V3 PATCH 12/14] target-ppc: Add ISA 2.06 ftsqrt

[Richard Henderson]

On 12/18/2013 12:49 PM, Tom Musta wrote:
> +static void gen_ftsqrt(DisasContext *ctx)
> +{
> +    TCGv_i32 bf;
> +    if (unlikely(!ctx->fpu_enabled)) {
> +        gen_exception(ctx, POWERPC_EXCP_FPU);
> +        return;
> +    }
> +    /* NIP cannot be restored if the memory exception comes from an helper */
> +    gen_update_nip(ctx, ctx->nip - 4);
> +    bf = tcg_const_i32(crfD(ctx->opcode));
> +    gen_helper_ftsqrt(cpu_env, bf, cpu_fpr[rB(ctx->opcode)]);
> +}

Similar comments as for fdivt.


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