static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2) { TCGv r_temp, zero; r_temp = tcg_temp_new(); /* old op: if (!(env->y & 1)) T1 = 0; */ zero = tcg_const_tl(0); tcg_gen_andi_tl(cpu_cc_src, src1, 0xffffffff); tcg_gen_andi_tl(r_temp, cpu_y, 0x1); tcg_gen_andi_tl(cpu_cc_src2, src2, 0xffffffff); tcg_gen_movcond_tl(TCG_COND_EQ, cpu_cc_src2, r_temp, zero, zero, cpu_cc_src2); tcg_temp_free(zero); // b2 = T0 & 1; // env->y = (b2 << 31) | (env->y >> 1); tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1); tcg_gen_shli_tl(r_temp, r_temp, 31); tcg_gen_shri_tl(cpu_tmp0, cpu_y, 1); tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0x7fffffff); tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, r_temp); tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff); // b1 = N ^ V; gen_mov_reg_N(cpu_tmp0, cpu_psr); gen_mov_reg_V(r_temp, cpu_psr); tcg_gen_xor_tl(cpu_tmp0, cpu_tmp0, r_temp); tcg_temp_free(r_temp); // T0 = (b1 << 31) | (T0 >> 1); // src1 = T0; tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, 31); tcg_gen_shri_tl(cpu_cc_src, cpu_cc_src, 1); tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0); tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_cc_src2); tcg_gen_mov_tl(dst, cpu_cc_dst); }