static void gen_isel(DisasContext *ctx) { int l1, l2; uint32_t bi = rC(ctx->opcode); uint32_t mask; TCGv_i32 t0; l1 = gen_new_label(); l2 = gen_new_label(); mask = 0x08 >> (bi & 0x03); t0 = tcg_temp_new_i32(); tcg_gen_andi_i32(t0, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); if (rA(ctx->opcode) == 0) tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); else tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); gen_set_label(l2); tcg_temp_free_i32(t0); }