static void gen_maskg(DisasContext *ctx) { int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); TCGv t3 = tcg_temp_new(); tcg_gen_movi_tl(t3, 0xFFFFFFFF); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F); tcg_gen_addi_tl(t2, t0, 1); tcg_gen_shr_tl(t2, t3, t2); tcg_gen_shr_tl(t3, t3, t1); tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3); tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); tcg_temp_free(t3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); }