static void gen_mtfsfi(DisasContext *ctx) { int bf, sh; TCGv_i64 t0; TCGv_i32 t1; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } bf = crbD(ctx->opcode) >> 2; sh = 7 - bf; /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_reset_fpstatus(); t0 = tcg_const_i64(FPIMM(ctx->opcode) << (4 * sh)); t1 = tcg_const_i32(1 << sh); gen_helper_store_fpscr(cpu_env, t0, t1); tcg_temp_free_i64(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) { tcg_gen_trunc_tl_i32(cpu_crf[1], cpu_fpscr); tcg_gen_shri_i32(cpu_crf[1], cpu_crf[1], FPSCR_OX); } /* We can raise a differed exception */ gen_helper_float_check_status(cpu_env); }