diff options
Diffstat (limited to 'lib/hipe/rtl/hipe_rtl_arch.erl')
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_arch.erl | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/lib/hipe/rtl/hipe_rtl_arch.erl b/lib/hipe/rtl/hipe_rtl_arch.erl index 22cda57a3a..99eb80f3d1 100644 --- a/lib/hipe/rtl/hipe_rtl_arch.erl +++ b/lib/hipe/rtl/hipe_rtl_arch.erl @@ -65,7 +65,8 @@ %% alignment/0, nr_of_return_regs/0, log2_word_size/0, - word_size/0 + word_size/0, + mk_fp_check_result/1 ]). -include("hipe_literals.hrl"). @@ -558,6 +559,12 @@ eval_cond_bits(Cond, N, Z, V, C) -> %%---------------------------------------------------------------------- fwait() -> + case ?ERTS_NO_FPE_SIGNALS of + 1 -> []; + 0 -> fwait_real() + end. + +fwait_real() -> case get(hipe_target_arch) of x86 -> [hipe_rtl:mk_call([], 'fwait', [], [], [], not_remote)]; amd64 -> [hipe_rtl:mk_call([], 'fwait', [], [], [], not_remote)]; @@ -573,6 +580,12 @@ fwait() -> %% Returns RTL code to restore the FPU after a floating-point exception. %% @end handle_fp_exception() -> + case ?ERTS_NO_FPE_SIGNALS of + 1 -> []; + 0 -> handle_real_fp_exception() + end. + +handle_real_fp_exception() -> case get(hipe_target_arch) of x86 -> ContLbl = hipe_rtl:mk_new_label(), @@ -655,3 +668,15 @@ nr_of_return_regs() -> 1 %% hipe_amd64_registers:nr_rets(); end. + + +mk_fp_check_result(Result) -> + case ?ERTS_NO_FPE_SIGNALS of + 0 -> + []; + 1 -> + [hipe_rtl:mk_fstore(proc_pointer(), + hipe_rtl:mk_imm(?P_FLOAT_RESULT), + Result), + hipe_rtl:mk_call([], emulate_fpe, [], [], [], not_remote)] + end. |