diff options
Diffstat (limited to 'lib/hipe/rtl/hipe_rtl.erl')
-rw-r--r-- | lib/hipe/rtl/hipe_rtl.erl | 77 |
1 files changed, 18 insertions, 59 deletions
diff --git a/lib/hipe/rtl/hipe_rtl.erl b/lib/hipe/rtl/hipe_rtl.erl index 0726827299..e4e857ec43 100644 --- a/lib/hipe/rtl/hipe_rtl.erl +++ b/lib/hipe/rtl/hipe_rtl.erl @@ -187,18 +187,14 @@ mk_branch/5, mk_branch/6, - branch_src1/1, - branch_src2/1, - branch_cond/1, - branch_true_label/1, - branch_false_label/1, - branch_pred/1, + mk_branch/7, %% is_branch/1, %% branch_true_label_update/2, %% branch_false_label_update/2, mk_alub/7, mk_alub/8, + alub_has_dst/1, alub_dst/1, alub_src1/1, alub_op/1, @@ -588,37 +584,25 @@ is_label(#label{}) -> true; is_label(_) -> false. %% -%% branch -%% - -mk_branch(Src1, Op, Src2, True, False) -> - mk_branch(Src1, Op, Src2, True, False, 0.5). -mk_branch(Src1, Op, Src2, True, False, P) -> - #branch{src1=Src1, 'cond'=Op, src2=Src2, true_label=True, - false_label=False, p=P}. -branch_src1(#branch{src1=Src1}) -> Src1. -branch_src1_update(Br, NewSrc) -> Br#branch{src1=NewSrc}. -branch_src2(#branch{src2=Src2}) -> Src2. -branch_src2_update(Br, NewSrc) -> Br#branch{src2=NewSrc}. -branch_cond(#branch{'cond'=Cond}) -> Cond. -branch_true_label(#branch{true_label=TrueLbl}) -> TrueLbl. -branch_true_label_update(Br, NewTrue) -> Br#branch{true_label=NewTrue}. -branch_false_label(#branch{false_label=FalseLbl}) -> FalseLbl. -branch_false_label_update(Br, NewFalse) -> Br#branch{false_label=NewFalse}. -branch_pred(#branch{p=P}) -> P. - -%% %% alub %% -type alub_cond() :: 'eq' | 'ne' | 'ge' | 'geu' | 'gt' | 'gtu' | 'le' | 'leu' | 'lt' | 'ltu' | 'overflow' | 'not_overflow'. +mk_branch(Src1, Cond, Src2, True, False) -> + mk_branch(Src1, Cond, Src2, True, False, 0.5). +mk_branch(Src1, Cond, Src2, True, False, P) -> + mk_branch(Src1, 'sub', Src2, Cond, True, False, P). +mk_branch(Src1, Op, Src2, Cond, True, False, P) -> + mk_alub([], Src1, Op, Src2, Cond, True, False, P). + mk_alub(Dst, Src1, Op, Src2, Cond, True, False) -> mk_alub(Dst, Src1, Op, Src2, Cond, True, False, 0.5). mk_alub(Dst, Src1, Op, Src2, Cond, True, False, P) -> #alub{dst=Dst, src1=Src1, op=Op, src2=Src2, 'cond'=Cond, true_label=True, false_label=False, p=P}. +alub_has_dst(#alub{dst=Dst}) -> Dst =/= []. alub_dst(#alub{dst=Dst}) -> Dst. alub_dst_update(A, NewDst) -> A#alub{dst=NewDst}. alub_src1(#alub{src1=Src1}) -> Src1. @@ -943,8 +927,7 @@ args(I) -> case I of #alu{} -> [alu_src1(I), alu_src2(I)]; #alub{} -> [alub_src1(I), alub_src2(I)]; - #branch{} -> [branch_src1(I), branch_src2(I)]; - #call{} -> + #call{} -> Args = call_arglist(I) ++ hipe_rtl_arch:call_used(), case call_is_known(I) of false -> [call_fun(I) | Args]; @@ -987,8 +970,8 @@ args(I) -> defines(Instr) -> Defs = case Instr of #alu{} -> [alu_dst(Instr)]; + #alub{dst=[]} -> []; #alub{} -> [alub_dst(Instr)]; - #branch{} -> []; #call{} -> call_dstlist(Instr) ++ hipe_rtl_arch:call_defined(); #comment{} -> []; #enter{} -> []; @@ -1042,9 +1025,6 @@ subst_uses(Subst, I) -> #alub{} -> I0 = alub_src1_update(I, subst1(Subst, alub_src1(I))), alub_src2_update(I0, subst1(Subst, alub_src2(I))); - #branch{} -> - I0 = branch_src1_update(I, subst1(Subst, branch_src1(I))), - branch_src2_update(I0, subst1(Subst, branch_src2(I))); #call{} -> case call_is_known(I) of false -> @@ -1126,11 +1106,6 @@ subst_uses_llvm(Subst, I) -> {NewSrc1, _ } = subst1_llvm(Subst1, alub_src1(I)), I0 = alub_src1_update(I, NewSrc1), alub_src2_update(I0, NewSrc2); - #branch{} -> - {NewSrc2, Subst1} = subst1_llvm(Subst, branch_src2(I)), - {NewSrc1, _ } = subst1_llvm(Subst1, branch_src1(I)), - I0 = branch_src1_update(I, NewSrc1), - branch_src2_update(I0, NewSrc2); #call{} -> case call_is_known(I) of false -> @@ -1243,10 +1218,10 @@ subst_defines(Subst, I)-> case I of #alu{} -> alu_dst_update(I, subst1(Subst, alu_dst(I))); + #alub{dst=[]} -> + I; #alub{} -> alub_dst_update(I, subst1(Subst, alub_dst(I))); - #branch{} -> - I; #call{} -> call_dstlist_update(I, subst_list(Subst, call_dstlist(I))); #comment{} -> @@ -1313,7 +1288,6 @@ is_safe(Instr) -> case Instr of #alu{} -> true; #alub{} -> false; - #branch{} -> false; #call{} -> false; #comment{} -> false; #enter{} -> false; @@ -1386,17 +1360,6 @@ redirect_jmp(Jmp, ToOld, ToNew) -> %% OBS: In a jmp instruction more than one labels may be identical %% and thus need redirection! case Jmp of - #branch{} -> - TmpJmp = case branch_true_label(Jmp) of - ToOld -> branch_true_label_update(Jmp, ToNew); - _ -> Jmp - end, - case branch_false_label(TmpJmp) of - ToOld -> - branch_false_label_update(TmpJmp, ToNew); - _ -> - TmpJmp - end; #switch{} -> NewLbls = [case Lbl =:= ToOld of true -> ToNew; @@ -1591,13 +1554,6 @@ pp_instr(Dev, I) -> io:format(Dev, "~n", []); #label{} -> io:format(Dev, "L~w:~n", [label_name(I)]); - #branch{} -> - io:format(Dev, " if (", []), - pp_arg(Dev, branch_src1(I)), - io:format(Dev, " ~w ", [branch_cond(I)]), - pp_arg(Dev, branch_src2(I)), - io:format(Dev, ") then L~w (~.2f) else L~w~n", - [branch_true_label(I), branch_pred(I), branch_false_label(I)]); #switch{} -> io:format(Dev, " switch (", []), pp_arg(Dev, switch_src(I)), @@ -1606,7 +1562,10 @@ pp_instr(Dev, I) -> io:format(Dev, ">\n", []); #alub{} -> io:format(Dev, " ", []), - pp_arg(Dev, alub_dst(I)), + case alub_has_dst(I) of + true -> pp_arg(Dev, alub_dst(I)); + false -> io:format(Dev, "_", []) + end, io:format(Dev, " <- ", []), pp_arg(Dev, alub_src1(I)), io:format(Dev, " ~w ", [alub_op(I)]), |