static void gen_dozo(DisasContext *ctx) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); /* Start with XER OV disabled, the most likely case */ tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); }
static void gen_dozo(DisasContext *ctx) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new();   tcg_gen_movi_tl(cpu_ov, 0); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_movi_tl(cpu_ov, 1); tcg_gen_movi_tl(cpu_so, 1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); }