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Re: [Qemu-ppc] [PATCH v2] ppc: Add support for 'mffscrn', 'mffscrni' ins
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-ppc] [PATCH v2] ppc: Add support for 'mffscrn', 'mffscrni' instructions |
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Date: |
Sat, 14 Sep 2019 10:58:20 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 9/12/19 8:54 AM, Paul A. Clarke wrote:
> +static void gen_helper_mffscrn(DisasContext *ctx, TCGv_i64 t1)
> +{
> + TCGv_i64 t0 = tcg_temp_new_i64();
> + TCGv_i32 mask = tcg_const_i32(0x0001);
> +
> + gen_reset_fpstatus();
> + tcg_gen_extu_tl_i64(t0, cpu_fpscr);
> + tcg_gen_andi_i64(t0, t0, FP_MODE | FP_ENABLES);
Missing the decimal rounding mode (DRN) field at 29:31.
Otherwise,