Re: [Qemu-devel] [PATCH 11/15] target-tricore: Add instructions of SBC and SBRN opcode format

[Richard Henderson]

On 07/07/2014 11:13 AM, Bastian Koppelmann wrote:
> +/* SBRN-format jumps */
> +    case OPC1_16_SBRN_JZ_T:
> +        temp = tcg_temp_new();
> +        tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
> +        gen_branch_condi(ctx, TCG_COND_NE, temp, 0x1 << constant, offset);
> +        tcg_temp_free(temp);
> +        break;
> +    case OPC1_16_SBRN_JNZ_T:
> +        temp = tcg_temp_new();
> +        tcg_gen_andi_tl(temp, cpu_gpr_d[15], 0x1u << constant);
> +        gen_branch_condi(ctx, TCG_COND_EQ, temp, 0x1 << constant, offset);
> +        tcg_temp_free(temp);
> +        break;

Compare vs zero after the andi.


r~