diff options
| -rw-r--r-- | lib/hipe/arm/hipe_rtl_to_arm.erl | 109 | ||||
| -rw-r--r-- | lib/hipe/llvm/hipe_rtl_to_llvm.erl | 78 | ||||
| -rw-r--r-- | lib/hipe/ppc/hipe_rtl_to_ppc.erl | 89 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl.erl | 77 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl.hrl | 1 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_binary_construct.erl | 9 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_binary_match.erl | 5 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_cfg.erl | 7 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_lcm.erl | 1 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_rtl_ssa_const_prop.erl | 82 | ||||
| -rw-r--r-- | lib/hipe/rtl/hipe_tagscheme.erl | 30 | ||||
| -rw-r--r-- | lib/hipe/sparc/hipe_rtl_to_sparc.erl | 139 | ||||
| -rw-r--r-- | lib/hipe/x86/hipe_rtl_to_x86.erl | 70 | ||||
| -rw-r--r-- | lib/hipe/x86/hipe_x86.erl | 4 |
14 files changed, 269 insertions, 432 deletions
diff --git a/lib/hipe/arm/hipe_rtl_to_arm.erl b/lib/hipe/arm/hipe_rtl_to_arm.erl index 2f9181d517..c964c222aa 100644 --- a/lib/hipe/arm/hipe_rtl_to_arm.erl +++ b/lib/hipe/arm/hipe_rtl_to_arm.erl @@ -62,7 +62,6 @@ conv_insn(I, Map, Data) -> case I of #alu{} -> conv_alu(I, Map, Data); #alub{} -> conv_alub(I, Map, Data); - #branch{} -> conv_branch(I, Map, Data); #call{} -> conv_call(I, Map, Data); #comment{} -> conv_comment(I, Map, Data); #enter{} -> conv_enter(I, Map, Data); @@ -111,6 +110,17 @@ commute_arithop(ArithOp) -> _ -> ArithOp end. +conv_cmpop('add') -> 'cmn'; +conv_cmpop('sub') -> 'cmp'; +conv_cmpop('and') -> 'tst'; +conv_cmpop('xor') -> 'teq'; +conv_cmpop(_) -> none. + +cmpop_commutes('cmp') -> false; +cmpop_commutes('cmn') -> true; +cmpop_commutes('tst') -> true; +cmpop_commutes('teq') -> true. + mk_alu(S, Dst, Src1, RtlAluOp, Src2) -> case hipe_rtl:is_shift_op(RtlAluOp) of true -> @@ -223,71 +233,77 @@ fix_aluop_imm(AluOp, Imm) -> % {FixAm1,NewAluOp,Am1} conv_alub(I, Map, Data) -> %% dst = src1 aluop src2; if COND goto label - {Dst, Map0} = conv_dst(hipe_rtl:alub_dst(I), Map), - {Src1, Map1} = conv_src(hipe_rtl:alub_src1(I), Map0), - {Src2, Map2} = conv_src(hipe_rtl:alub_src2(I), Map1), + {Src1, Map0} = conv_src(hipe_rtl:alub_src1(I), Map), + {Src2, Map1} = conv_src(hipe_rtl:alub_src2(I), Map0), RtlAluOp = hipe_rtl:alub_op(I), - Cond0 = conv_alub_cond(RtlAluOp, hipe_rtl:alub_cond(I)), - Cond = - case {RtlAluOp,Cond0} of - {'mul','vs'} -> 'ne'; % overflow becomes not-equal - {'mul','vc'} -> 'eq'; % no-overflow becomes equal - {'mul',_} -> exit({?MODULE,I}); - {_,_} -> Cond0 - end, - I2 = mk_pseudo_bc( - Cond, - hipe_rtl:alub_true_label(I), - hipe_rtl:alub_false_label(I), - hipe_rtl:alub_pred(I)), - S = true, - I1 = mk_alu(S, Dst, Src1, RtlAluOp, Src2), - {I1 ++ I2, Map2, Data}. - -conv_branch(I, Map, Data) -> - %% <unused> = src1 - src2; if COND goto label - {Src1, Map0} = conv_src(hipe_rtl:branch_src1(I), Map), - {Src2, Map1} = conv_src(hipe_rtl:branch_src2(I), Map0), - Cond = conv_branch_cond(hipe_rtl:branch_cond(I)), - I2 = mk_branch(Src1, Cond, Src2, - hipe_rtl:branch_true_label(I), - hipe_rtl:branch_false_label(I), - hipe_rtl:branch_pred(I)), - {I2, Map1, Data}. + RtlCond = hipe_rtl:alub_cond(I), + HasDst = hipe_rtl:alub_has_dst(I), + CmpOp = conv_cmpop(RtlAluOp), + Cond0 = conv_alub_cond(RtlAluOp, RtlCond), + case (not HasDst) andalso CmpOp =/= none of + true -> + I1 = mk_branch(Src1, CmpOp, Src2, Cond0, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I)), + {I1, Map1, Data}; + false -> + {Dst, Map2} = + case HasDst of + false -> {new_untagged_temp(), Map1}; + true -> conv_dst(hipe_rtl:alub_dst(I), Map1) + end, + Cond = + case {RtlAluOp,Cond0} of + {'mul','vs'} -> 'ne'; % overflow becomes not-equal + {'mul','vc'} -> 'eq'; % no-overflow becomes equal + {'mul',_} -> exit({?MODULE,I}); + {_,_} -> Cond0 + end, + I2 = mk_pseudo_bc( + Cond, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I)), + S = true, + I1 = mk_alu(S, Dst, Src1, RtlAluOp, Src2), + {I1 ++ I2, Map2, Data} + end. -mk_branch(Src1, Cond, Src2, TrueLab, FalseLab, Pred) -> +mk_branch(Src1, CmpOp, Src2, Cond, TrueLab, FalseLab, Pred) -> case hipe_arm:is_temp(Src1) of true -> case hipe_arm:is_temp(Src2) of true -> - mk_branch_rr(Src1, Src2, Cond, TrueLab, FalseLab, Pred); + mk_branch_rr(Src1, CmpOp, Src2, Cond, TrueLab, FalseLab, Pred); _ -> - mk_branch_ri(Src1, Cond, Src2, TrueLab, FalseLab, Pred) + mk_branch_ri(Src1, CmpOp, Src2, Cond, TrueLab, FalseLab, Pred) end; _ -> case hipe_arm:is_temp(Src2) of true -> - NewCond = commute_cond(Cond), - mk_branch_ri(Src2, NewCond, Src1, TrueLab, FalseLab, Pred); + NewCond = + case cmpop_commutes(CmpOp) of + true -> Cond; + false -> commute_cond(Cond) + end, + mk_branch_ri(Src2, CmpOp, Src1, NewCond, TrueLab, FalseLab, Pred); _ -> - mk_branch_ii(Src1, Cond, Src2, TrueLab, FalseLab, Pred) + mk_branch_ii(Src1, CmpOp, Src2, Cond, TrueLab, FalseLab, Pred) end end. -mk_branch_ii(Imm1, Cond, Imm2, TrueLab, FalseLab, Pred) -> +mk_branch_ii(Imm1, CmpOp, Imm2, Cond, TrueLab, FalseLab, Pred) -> Tmp = new_untagged_temp(), mk_li(Tmp, Imm1, - mk_branch_ri(Tmp, Cond, Imm2, + mk_branch_ri(Tmp, CmpOp, Imm2, Cond, TrueLab, FalseLab, Pred)). -mk_branch_ri(Src, Cond, Imm, TrueLab, FalseLab, Pred) -> - {FixAm1,NewCmpOp,Am1} = fix_aluop_imm('cmp', Imm), - FixAm1 ++ mk_cmp_bc(NewCmpOp, Src, Am1, Cond, TrueLab, FalseLab, Pred). - -mk_branch_rr(Src1, Src2, Cond, TrueLab, FalseLab, Pred) -> - mk_cmp_bc('cmp', Src1, Src2, Cond, TrueLab, FalseLab, Pred). +mk_branch_ri(Src, CmpOp, Imm, Cond, TrueLab, FalseLab, Pred) -> + {FixAm1,NewCmpOp,Am1} = fix_aluop_imm(CmpOp, Imm), + FixAm1 ++ mk_branch_rr(Src, NewCmpOp, Am1, Cond, TrueLab, FalseLab, Pred). -mk_cmp_bc(CmpOp, Src, Am1, Cond, TrueLab, FalseLab, Pred) -> +mk_branch_rr(Src, CmpOp, Am1, Cond, TrueLab, FalseLab, Pred) -> [hipe_arm:mk_cmp(CmpOp, Src, Am1) | mk_pseudo_bc(Cond, TrueLab, FalseLab, Pred)]. @@ -637,6 +653,7 @@ conv_alub_cond(RtlAluOp, Cond) -> % may be unsigned, depends on aluop case {RtlAluOp, Cond} of % handle allowed alub unsigned conditions {'add', 'ltu'} -> 'hs'; % add+ltu == unsigned overflow == carry set == hs %% add more cases when needed + {'sub', _} -> conv_branch_cond(Cond); _ -> conv_cond(Cond) end. diff --git a/lib/hipe/llvm/hipe_rtl_to_llvm.erl b/lib/hipe/llvm/hipe_rtl_to_llvm.erl index 20813f8bd7..f8911c1909 100644 --- a/lib/hipe/llvm/hipe_rtl_to_llvm.erl +++ b/lib/hipe/llvm/hipe_rtl_to_llvm.erl @@ -156,9 +156,6 @@ translate_instr(I, Relocs, Data) -> #alub{} -> {I2, Relocs2} = trans_alub(I, Relocs), {I2, Relocs2, Data}; - #branch{} -> - {I2, Relocs2} = trans_branch(I, Relocs), - {I2, Relocs2, Data}; #call{} -> {I2, Relocs2} = case hipe_rtl:call_fun(I) of @@ -255,7 +252,6 @@ trans_alub(I, Relocs) -> trans_alub_overflow(I, Sign, Relocs) -> {Src1, I1} = trans_src(hipe_rtl:alub_src1(I)), {Src2, I2} = trans_src(hipe_rtl:alub_src2(I)), - RtlDst = hipe_rtl:alub_dst(I), TmpDst = mk_temp(), Name = trans_alub_op(I, Sign), NewRelocs = relocs_store(Name, {call, remote, {llvm, Name, 2}}, Relocs), @@ -266,7 +262,10 @@ trans_alub_overflow(I, Sign, Relocs) -> [{WordTy, Src1}, {WordTy, Src2}], []), %% T1{0}: result of the operation I4 = hipe_llvm:mk_extractvalue(TmpDst, ReturnType, T1 , "0", []), - I5 = store_stack_dst(TmpDst, RtlDst), + I5 = case hipe_rtl:alub_has_dst(I) of + false -> []; + true -> store_stack_dst(TmpDst, hipe_rtl:alub_dst(I)) + end, T2 = mk_temp(), %% T1{1}: Boolean variable indicating overflow I6 = hipe_llvm:mk_extractvalue(T2, ReturnType, T1, "1", []), @@ -311,42 +310,35 @@ trans_alub_op(I, Sign) -> Name ++ Type. trans_alub_no_overflow(I, Relocs) -> + {Src1, I1} = trans_src(hipe_rtl:alub_src1(I)), + {Src2, I2} = trans_src(hipe_rtl:alub_src2(I)), + WordTy = hipe_llvm:mk_int(?BITS_IN_WORD), %% alu - T = hipe_rtl:mk_alu(hipe_rtl:alub_dst(I), hipe_rtl:alub_src1(I), - hipe_rtl:alub_op(I), hipe_rtl:alub_src2(I)), - %% A trans_alu instruction cannot change relocations - {I1, _} = trans_alu(T, Relocs), + {CmpLhs, CmpRhs, I5, Cond} = + case {hipe_rtl:alub_has_dst(I), hipe_rtl:alub_op(I)} of + {false, 'sub'} -> + Cond0 = trans_branch_rel_op(hipe_rtl:alub_cond(I)), + {Src1, Src2, [], Cond0}; + {HasDst, AlubOp} -> + TmpDst = mk_temp(), + Op = trans_op(AlubOp), + I3 = hipe_llvm:mk_operation(TmpDst, Op, WordTy, Src1, Src2, []), + I4 = case HasDst of + false -> []; + true -> store_stack_dst(TmpDst, hipe_rtl:alub_dst(I)) + end, + Cond0 = trans_alub_rel_op(hipe_rtl:alub_cond(I)), + {TmpDst, "0", [I4, I3], Cond0} + end, %% icmp - %% Translate destination as src, to match with the semantics of instruction - {Dst, I2} = trans_src(hipe_rtl:alub_dst(I)), - Cond = trans_rel_op(hipe_rtl:alub_cond(I)), T3 = mk_temp(), - WordTy = hipe_llvm:mk_int(?BITS_IN_WORD), - I5 = hipe_llvm:mk_icmp(T3, Cond, WordTy, Dst, "0"), + I6 = hipe_llvm:mk_icmp(T3, Cond, WordTy, CmpLhs, CmpRhs), %% br Metadata = branch_metadata(hipe_rtl:alub_pred(I)), True_label = mk_jump_label(hipe_rtl:alub_true_label(I)), False_label = mk_jump_label(hipe_rtl:alub_false_label(I)), - I6 = hipe_llvm:mk_br_cond(T3, True_label, False_label, Metadata), - {[I6, I5, I2, I1], Relocs}. - -%% -%% branch -%% -trans_branch(I, Relocs) -> - {Src1, I1} = trans_src(hipe_rtl:branch_src1(I)), - {Src2, I2} = trans_src(hipe_rtl:branch_src2(I)), - Cond = trans_rel_op(hipe_rtl:branch_cond(I)), - %% icmp - T1 = mk_temp(), - WordTy = hipe_llvm:mk_int(?BITS_IN_WORD), - I3 = hipe_llvm:mk_icmp(T1, Cond, WordTy, Src1, Src2), - %% br - True_label = mk_jump_label(hipe_rtl:branch_true_label(I)), - False_label = mk_jump_label(hipe_rtl:branch_false_label(I)), - Metadata = branch_metadata(hipe_rtl:branch_pred(I)), - I4 = hipe_llvm:mk_br_cond(T1, True_label, False_label, Metadata), - {[I4, I3, I2, I1], Relocs}. + I7 = hipe_llvm:mk_br_cond(T3, True_label, False_label, Metadata), + {[I7, I6, I5, I2, I1], Relocs}. branch_metadata(X) when X =:= 0.5 -> []; branch_metadata(X) when X > 0.5 -> ?BRANCH_META_TAKEN; @@ -1162,7 +1154,7 @@ trans_dst(A) -> true -> "%DL" ++ integer_to_list(hipe_rtl:const_label_label(A)) ++ "_var"; false -> - exit({?MODULE, trans_dst, {"Bad RTL argument",A}}) + error(badarg, [A]) end end end, @@ -1260,14 +1252,19 @@ trans_op(Op) -> Other -> exit({?MODULE, trans_op, {"Unknown RTL operator", Other}}) end. -trans_rel_op(Op) -> +trans_branch_rel_op(Op) -> case Op of - eq -> eq; - ne -> ne; gtu -> ugt; geu -> uge; ltu -> ult; leu -> ule; + _ -> trans_alub_rel_op(Op) + end. + +trans_alub_rel_op(Op) -> + case Op of + eq -> eq; + ne -> ne; gt -> sgt; ge -> sge; lt -> slt; @@ -1300,7 +1297,10 @@ insn_dst(I) -> #alu{} -> [hipe_rtl:alu_dst(I)]; #alub{} -> - [hipe_rtl:alub_dst(I)]; + case hipe_rtl:alub_has_dst(I) of + true -> [hipe_rtl:alub_dst(I)]; + false -> [] + end; #call{} -> case hipe_rtl:call_dstlist(I) of [] -> []; diff --git a/lib/hipe/ppc/hipe_rtl_to_ppc.erl b/lib/hipe/ppc/hipe_rtl_to_ppc.erl index a01e67a789..09f1ce5a49 100644 --- a/lib/hipe/ppc/hipe_rtl_to_ppc.erl +++ b/lib/hipe/ppc/hipe_rtl_to_ppc.erl @@ -80,7 +80,6 @@ conv_insn(I, Map, Data) -> case I of #alu{} -> conv_alu(I, Map, Data); #alub{} -> conv_alub(I, Map, Data); - #branch{} -> conv_branch(I, Map, Data); #call{} -> conv_call(I, Map, Data); #comment{} -> conv_comment(I, Map, Data); #enter{} -> conv_enter(I, Map, Data); @@ -441,36 +440,53 @@ mk_alu_rr(Dst, Src1, RtlAluOp, Src2) -> conv_alub(I, Map, Data) -> %% dst = src1 aluop src2; if COND goto label - {Dst, Map0} = conv_dst(hipe_rtl:alub_dst(I), Map), - {Src1, Map1} = conv_src(hipe_rtl:alub_src1(I), Map0), - {Src2, Map2} = conv_src(hipe_rtl:alub_src2(I), Map1), - {AluOp, BCond} = - case {hipe_rtl:alub_op(I), hipe_rtl:alub_cond(I)} of - {'add', 'ltu'} -> - {'addc', 'eq'}; - {RtlAlubOp, RtlAlubCond} -> - {conv_alub_op(RtlAlubOp), conv_alub_cond(RtlAlubCond)} - end, - BC = mk_pseudo_bc(BCond, - hipe_rtl:alub_true_label(I), - hipe_rtl:alub_false_label(I), - hipe_rtl:alub_pred(I)), - I2 = - case {AluOp, BCond} of - {'addc', 'eq'} -> % copy XER[CA] to CR0[EQ] before the BC - TmpR = new_untagged_temp(), - [hipe_ppc:mk_mfspr(TmpR, 'xer'), - hipe_ppc:mk_mtcr(TmpR) | - BC]; - _ -> BC - end, - {NewSrc1, NewSrc2} = - case AluOp of - 'subf' -> {Src2, Src1}; - _ -> {Src1, Src2} - end, - I1 = mk_alub(Dst, NewSrc1, AluOp, NewSrc2, BCond), - {I1 ++ I2, Map2, Data}. + HasDst = hipe_rtl:alub_has_dst(I), + {Src1, Map0} = conv_src(hipe_rtl:alub_src1(I), Map), + {Src2, Map1} = conv_src(hipe_rtl:alub_src2(I), Map0), + RtlAlubOp = hipe_rtl:alub_op(I), + RtlAlubCond = hipe_rtl:alub_cond(I), + case {HasDst, RtlAlubOp} of + {false, sub} -> + {BCond,Sign} = conv_branch_cond(RtlAlubCond), + I2 = mk_branch(Src1, BCond, Sign, Src2, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I)), + {I2, Map1, Data}; + _ -> + {Dst, Map2} = + case HasDst of + false -> {new_untagged_temp(), Map1}; + true -> conv_dst(hipe_rtl:alub_dst(I), Map1) + end, + {AluOp, BCond} = + case {RtlAlubOp, RtlAlubCond} of + {'add', 'ltu'} -> + {'addc', 'eq'}; + {_, _} -> + {conv_alub_op(RtlAlubOp), conv_alub_cond(RtlAlubCond)} + end, + BC = mk_pseudo_bc(BCond, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I)), + I2 = + case {AluOp, BCond} of + {'addc', 'eq'} -> % copy XER[CA] to CR0[EQ] before the BC + TmpR = new_untagged_temp(), + [hipe_ppc:mk_mfspr(TmpR, 'xer'), + hipe_ppc:mk_mtcr(TmpR) | + BC]; + _ -> BC + end, + {NewSrc1, NewSrc2} = + case AluOp of + 'subf' -> {Src2, Src1}; + _ -> {Src1, Src2} + end, + I1 = mk_alub(Dst, NewSrc1, AluOp, NewSrc2, BCond), + {I1 ++ I2, Map2, Data} + end. conv_alub_op(RtlAluOp) -> case {get(hipe_target_arch), RtlAluOp} of @@ -689,17 +705,6 @@ mk_alub_rr_Rc(Dst, Src1, AluOp, Src2) -> end, [hipe_ppc:mk_alu(AluOpDot, Dst, Src1, Src2)]. -conv_branch(I, Map, Data) -> - %% <unused> = src1 - src2; if COND goto label - {Src1, Map0} = conv_src(hipe_rtl:branch_src1(I), Map), - {Src2, Map1} = conv_src(hipe_rtl:branch_src2(I), Map0), - {BCond,Sign} = conv_branch_cond(hipe_rtl:branch_cond(I)), - I2 = mk_branch(Src1, BCond, Sign, Src2, - hipe_rtl:branch_true_label(I), - hipe_rtl:branch_false_label(I), - hipe_rtl:branch_pred(I)), - {I2, Map1, Data}. - conv_branch_cond(Cond) -> % may be unsigned case Cond of gtu -> {'gt', 'unsigned'}; 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)]), diff --git a/lib/hipe/rtl/hipe_rtl.hrl b/lib/hipe/rtl/hipe_rtl.hrl index cc76e7e5c4..74020c6045 100644 --- a/lib/hipe/rtl/hipe_rtl.hrl +++ b/lib/hipe/rtl/hipe_rtl.hrl @@ -28,7 +28,6 @@ -record(alu, {dst, src1, op, src2}). -record(alub, {dst, src1, op, src2, 'cond', true_label, false_label, p}). --record(branch, {src1, src2, 'cond', true_label, false_label, p}). -record(call, {dstlist, 'fun', arglist, type, continuation, failcontinuation, normalcontinuation = []}). -record(comment, {text}). diff --git a/lib/hipe/rtl/hipe_rtl_binary_construct.erl b/lib/hipe/rtl/hipe_rtl_binary_construct.erl index 367d76b24d..2922972085 100644 --- a/lib/hipe/rtl/hipe_rtl_binary_construct.erl +++ b/lib/hipe/rtl/hipe_rtl_binary_construct.erl @@ -757,9 +757,9 @@ test_alignment(SrcOffset, NumBits, Offset, AlignedCode, CCode) -> [AlignedLbl, CLbl] = create_lbls(2), [hipe_rtl:mk_alu(Tmp, SrcOffset, 'or', NumBits), hipe_rtl:mk_alu(Tmp, Tmp, 'or', Offset), - hipe_rtl:mk_alub(Tmp, Tmp, 'and', ?LOW_BITS, 'eq', - hipe_rtl:label_name(AlignedLbl), - hipe_rtl:label_name(CLbl)), + hipe_rtl:mk_branch(Tmp, 'and', ?LOW_BITS, 'eq', + hipe_rtl:label_name(AlignedLbl), + hipe_rtl:label_name(CLbl), 0.5), AlignedLbl, AlignedCode, CLbl, @@ -1284,8 +1284,7 @@ is_divisible(Dividend, Divisor, SuccLbl, FailLbl) -> true -> %% Divisor is a power of 2 %% Test that the Log2-1 lowest bits are clear Mask = hipe_rtl:mk_imm(Divisor - 1), - [Tmp] = create_regs(1), - [hipe_rtl:mk_alub(Tmp, Dividend, 'and', Mask, eq, SuccLbl, FailLbl, 0.99)]; + [hipe_rtl:mk_branch(Dividend, 'and', Mask, eq, SuccLbl, FailLbl, 0.99)]; false -> %% We need division, fall back to a primop [hipe_rtl:mk_call([], is_divisible, [Dividend, hipe_rtl:mk_imm(Divisor)], diff --git a/lib/hipe/rtl/hipe_rtl_binary_match.erl b/lib/hipe/rtl/hipe_rtl_binary_match.erl index d999cd2743..520b055ba7 100644 --- a/lib/hipe/rtl/hipe_rtl_binary_match.erl +++ b/lib/hipe/rtl/hipe_rtl_binary_match.erl @@ -659,9 +659,8 @@ test_alignment_code(Size, Unit, SLblName, FalseLblName) -> end. get_fast_test_code(Size, AndTest, SLblName, FalseLblName) -> - [Tmp] = create_gcsafe_regs(1), - [hipe_rtl:mk_alub(Tmp, Size, 'and', hipe_rtl:mk_imm(AndTest), - 'eq', SLblName, FalseLblName)]. + [hipe_rtl:mk_branch(Size, 'and', hipe_rtl:mk_imm(AndTest), 'eq', + SLblName, FalseLblName, 0.5)]. %% This is really slow get_slow_test_code(Size, Unit, SLblName, FalseLblName) -> diff --git a/lib/hipe/rtl/hipe_rtl_cfg.erl b/lib/hipe/rtl/hipe_rtl_cfg.erl index f49e8f815f..e802b320c2 100644 --- a/lib/hipe/rtl/hipe_rtl_cfg.erl +++ b/lib/hipe/rtl/hipe_rtl_cfg.erl @@ -83,9 +83,7 @@ mk_goto(Name) -> branch_successors(Instr) -> case Instr of - #branch{} -> [hipe_rtl:branch_true_label(Instr), - hipe_rtl:branch_false_label(Instr)]; - #alub{} -> [hipe_rtl:alub_true_label(Instr), + #alub{} -> [hipe_rtl:alub_true_label(Instr), hipe_rtl:alub_false_label(Instr)]; #switch{} -> hipe_rtl:switch_labels(Instr); #call{} -> @@ -106,7 +104,6 @@ fails_to(Instr) -> is_branch(Instr) -> case Instr of - #branch{} -> true; #alub{} -> true; #switch{} -> true; #goto{} -> true; @@ -127,7 +124,7 @@ is_branch(Instr) -> is_pure_branch(Instr) -> case Instr of - #branch{} -> true; + #alub{} -> not hipe_rtl:alub_has_dst(Instr); #switch{} -> true; #goto{} -> true; _ -> false diff --git a/lib/hipe/rtl/hipe_rtl_lcm.erl b/lib/hipe/rtl/hipe_rtl_lcm.erl index 71bd06c0df..67ddd0f649 100644 --- a/lib/hipe/rtl/hipe_rtl_lcm.erl +++ b/lib/hipe/rtl/hipe_rtl_lcm.erl @@ -378,7 +378,6 @@ is_expr(I) -> %% end; #alub{} -> false; %% TODO: Split instruction to consider alu expression? - #branch{} -> false; #call{} -> false; %% We cannot prove that a call has no side-effects #comment{} -> false; #enter{} -> false; diff --git a/lib/hipe/rtl/hipe_rtl_ssa_const_prop.erl b/lib/hipe/rtl/hipe_rtl_ssa_const_prop.erl index 7158383010..f887eeab66 100644 --- a/lib/hipe/rtl/hipe_rtl_ssa_const_prop.erl +++ b/lib/hipe/rtl/hipe_rtl_ssa_const_prop.erl @@ -110,8 +110,6 @@ visit_expression(Instruction, Environment) -> visit_alu(Instruction, Environment); #alub{} -> visit_alub(Instruction, Environment); - #branch{} -> - visit_branch(Instruction, Environment); #call{} -> visit_call(Instruction, Environment); %% #comment{} -> @@ -184,42 +182,6 @@ set_to(Dst, Val, Env) -> {[], SSAWork, Env1}. %%----------------------------------------------------------------------------- -%% Procedure : visit_branch/2 -%% Purpose : do symbolic exection of branch instructions. -%% Arguments : Inst - The instruction -%% Env - The environment -%% Returns : { FlowWorkList, SSAWorkList, NewEnvironment} -%%----------------------------------------------------------------------------- - -visit_branch(Inst, Env) -> %% Titta också på exekverbarflagga - Val1 = lookup_lattice_value(hipe_rtl:branch_src1(Inst), Env), - Val2 = lookup_lattice_value(hipe_rtl:branch_src2(Inst), Env), - CFGWL = case evaluate_relop(Val1, hipe_rtl:branch_cond(Inst), Val2) of - true -> [hipe_rtl:branch_true_label(Inst)]; - false -> [hipe_rtl:branch_false_label(Inst)]; - bottom -> [hipe_rtl:branch_true_label(Inst), - hipe_rtl:branch_false_label(Inst)]; - top -> [] - end, - {CFGWL, [], Env}. - -%%----------------------------------------------------------------------------- -%% Procedure : evaluate_relop/3 -%% Purpose : evaluate the given relop. While taking care to handle top & -%% bottom in some sane way. -%% Arguments : Val1, Val2 - The operands Integers or top or bottom -%% RelOp - some relop atom from rtl. -%% Returns : bottom, top, true or false -%%----------------------------------------------------------------------------- - -evaluate_relop(Val1, RelOp, Val2) -> - if - (Val1==bottom) or (Val2==bottom) -> bottom ; - (Val1==top) or (Val2==top) -> top; - true -> hipe_rtl_arch:eval_cond(RelOp, Val1, Val2) - end. - -%%----------------------------------------------------------------------------- %% Procedure : evaluate_fixnumop/2 %% Purpose : try to evaluate a fixnumop. %% Arguments : Val1 - operand (an integer, 'top' or 'bottom') @@ -408,6 +370,7 @@ partial_eval_branch(Cond, N0, Z0, V0, C0) -> Cond =:= 'ne' -> {true, Z0, true, true}; Cond =:= 'gt'; Cond =:= 'le' -> {N0, Z0, V0, true}; + Cond =:= 'leu'; Cond =:= 'gtu' -> {true, Z0, true, C0 }; Cond =:= 'lt'; Cond =:= 'ge' -> {N0, true, V0, true}; @@ -450,7 +413,11 @@ visit_alub(Inst, Env) -> false -> [hipe_rtl:alub_false_label(Inst)] end end, - {[], NewSSA, NewEnv} = set_to(hipe_rtl:alub_dst(Inst), NewVal, Env), + {[], NewSSA, NewEnv} = + case hipe_rtl:alub_has_dst(Inst) of + false -> {[], [], Env}; + true -> set_to(hipe_rtl:alub_dst(Inst), NewVal, Env) + end, {Labels, NewSSA, NewEnv}. %%----------------------------------------------------------------------------- @@ -688,8 +655,6 @@ update_instruction(Inst, Env) -> update_alu(Inst, Env); #alub{} -> update_alub(Inst, Env); - #branch{} -> - update_branch(Inst, Env); #call{} -> subst_all_uses(Inst, Env); %% #comment{} -> @@ -902,33 +867,6 @@ update_alu(Inst, Env) -> {Val,_,_,_,_} = evaluate_alu(Val1, hipe_rtl:alu_op(Inst), Val2), [hipe_rtl:mk_move(hipe_rtl:alu_dst(Inst), hipe_rtl:mk_imm(Val))] end. - -%%----------------------------------------------------------------------------- -%% Procedure : update_branch/2 -%% Purpose : update an branch-instruction -%% Arguments : Inst - the instruction. -%% Env - in which everything happens. -%% Returns : list of new instruction -%%----------------------------------------------------------------------------- - -update_branch(Inst, Env) -> - Src1 = hipe_rtl:branch_src1(Inst), - Src2 = hipe_rtl:branch_src2(Inst), - Val1 = lookup_lattice_value(Src1, Env), - Val2 = lookup_lattice_value(Src2, Env), - if - (Val1 =:= bottom) and (Val2 =:= bottom) -> - [Inst]; - Val1 =:= bottom -> - [hipe_rtl:subst_uses([{Src2, hipe_rtl:mk_imm(Val2)}], Inst)]; - Val2 =:= bottom -> - [hipe_rtl:subst_uses([{Src1, hipe_rtl:mk_imm(Val1)}], Inst)]; - true -> - case hipe_rtl_arch:eval_cond(hipe_rtl:branch_cond(Inst), Val1, Val2) of - true -> [hipe_rtl:mk_goto(hipe_rtl:branch_true_label(Inst))]; - false -> [hipe_rtl:mk_goto(hipe_rtl:branch_false_label(Inst))] - end - end. %%----------------------------------------------------------------------------- %% Procedure : update_alub/2 @@ -943,8 +881,12 @@ update_branch(Inst, Env) -> %% some small helpers. alub_to_move(Inst, Res, Lab) -> - [hipe_rtl:mk_move(hipe_rtl:alub_dst(Inst), Res), - hipe_rtl:mk_goto(Lab)]. + Goto = [hipe_rtl:mk_goto(Lab)], + case hipe_rtl:alub_has_dst(Inst) of + false -> Goto; + true -> + [hipe_rtl:mk_move(hipe_rtl:alub_dst(Inst), Res) | Goto] + end. make_alub_subst_list(bottom, _, Tail) -> Tail; make_alub_subst_list(top, Src, _) -> diff --git a/lib/hipe/rtl/hipe_tagscheme.erl b/lib/hipe/rtl/hipe_tagscheme.erl index 8cf45772b5..8d9514ae82 100644 --- a/lib/hipe/rtl/hipe_tagscheme.erl +++ b/lib/hipe/rtl/hipe_tagscheme.erl @@ -171,14 +171,12 @@ test_nil(X, TrueLab, FalseLab, Pred) -> hipe_rtl:mk_branch(X, eq, hipe_rtl:mk_imm(?NIL), TrueLab, FalseLab, Pred). test_cons(X, TrueLab, FalseLab, Pred) -> - Tmp = hipe_rtl:mk_new_reg_gcsafe(), Mask = hipe_rtl:mk_imm(?TAG_PRIMARY_MASK - ?TAG_PRIMARY_LIST), - hipe_rtl:mk_alub(Tmp, X, 'and', Mask, 'eq', TrueLab, FalseLab, Pred). + hipe_rtl:mk_branch(X, 'and', Mask, 'eq', TrueLab, FalseLab, Pred). test_is_boxed(X, TrueLab, FalseLab, Pred) -> - Tmp = hipe_rtl:mk_new_reg_gcsafe(), Mask = hipe_rtl:mk_imm(?TAG_PRIMARY_MASK - ?TAG_PRIMARY_BOXED), - hipe_rtl:mk_alub(Tmp, X, 'and', Mask, 'eq', TrueLab, FalseLab, Pred). + hipe_rtl:mk_branch(X, 'and', Mask, 'eq', TrueLab, FalseLab, Pred). get_header(Res, X) -> hipe_rtl:mk_load(Res, X, hipe_rtl:mk_imm(-(?TAG_PRIMARY_BOXED))). @@ -238,13 +236,12 @@ test_atom(X, TrueLab, FalseLab, Pred) -> test_tuple(X, TrueLab, FalseLab, Pred) -> Tmp = hipe_rtl:mk_new_reg_gcsafe(), - Tmp2 = hipe_rtl:mk_new_reg_gcsafe(), HalfTrueLab = hipe_rtl:mk_new_label(), [test_is_boxed(X, hipe_rtl:label_name(HalfTrueLab), FalseLab, Pred), HalfTrueLab, get_header(Tmp, X), - hipe_rtl:mk_alub(Tmp2, Tmp, 'and', hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', - TrueLab, FalseLab, Pred)]. + hipe_rtl:mk_branch(Tmp, 'and', hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', + TrueLab, FalseLab, Pred)]. test_tuple_N(X, N, TrueLab, FalseLab, Pred) -> Tmp = hipe_rtl:mk_new_reg_gcsafe(), @@ -687,7 +684,6 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) -> IndexOkLab = hipe_rtl:mk_new_label(), Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple Header = hipe_rtl:mk_new_reg_gcsafe(), - Tmp = hipe_rtl:mk_new_reg_gcsafe(), UIndex = hipe_rtl:mk_new_reg_gcsafe(), Arity = hipe_rtl:mk_new_reg_gcsafe(), InvIndex = hipe_rtl:mk_new_reg_gcsafe(), @@ -700,9 +696,9 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) -> BoxedOkLab, hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)), hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)), - hipe_rtl:mk_alub(Tmp, Header, 'and', - hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', - hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), + hipe_rtl:mk_branch(Header, 'and', + hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', + hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), TupleOkLab, untag_fixnum(UIndex, Index), hipe_rtl:mk_alu(Arity, Header, 'srl', @@ -716,9 +712,9 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) -> BoxedOkLab, hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)), hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)), - hipe_rtl:mk_alub(Tmp, Header, 'and', - hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', - hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), + hipe_rtl:mk_branch(Header, 'and', + hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', + hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), TupleOkLab, hipe_rtl:mk_alu(Arity, Header, 'srl', hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))| @@ -734,9 +730,9 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) -> BoxedOkLab, hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)), hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)), - hipe_rtl:mk_alub(Tmp, Header, 'and', - hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', - hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), + hipe_rtl:mk_branch(Header, 'and', + hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq', + hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99), TupleOkLab, untag_fixnum(UIndex, Index), hipe_rtl:mk_alu(Arity, Header, 'srl', diff --git a/lib/hipe/sparc/hipe_rtl_to_sparc.erl b/lib/hipe/sparc/hipe_rtl_to_sparc.erl index e170fec3d6..7fab0d95c7 100644 --- a/lib/hipe/sparc/hipe_rtl_to_sparc.erl +++ b/lib/hipe/sparc/hipe_rtl_to_sparc.erl @@ -63,7 +63,6 @@ conv_insn(I, Map, Data) -> case I of #alu{} -> conv_alu(I, Map, Data); #alub{} -> conv_alub(I, Map, Data); - #branch{} -> conv_branch(I, Map, Data); #call{} -> conv_call(I, Map, Data); #comment{} -> conv_comment(I, Map, Data); #enter{} -> conv_enter(I, Map, Data); @@ -281,7 +280,12 @@ mk_alu_rs(XAluOp, Src1, Src2, Dst) -> conv_alub(I, Map, Data) -> %% dst = src1 aluop src2; if COND goto label - {Dst, Map0} = conv_dst(hipe_rtl:alub_dst(I), Map), + HasDst = hipe_rtl:alub_has_dst(I), + {Dst, Map0} = + case HasDst of + false -> {hipe_sparc:mk_g0(), Map}; + true -> conv_dst(hipe_rtl:alub_dst(I), Map) + end, {Src1, Map1} = conv_src(hipe_rtl:alub_src1(I), Map0), {Src2, Map2} = conv_src(hipe_rtl:alub_src2(I), Map1), Cond = conv_cond(hipe_rtl:alub_cond(I)), @@ -307,67 +311,33 @@ conv_alub(I, Map, Data) -> I1 ++ [hipe_sparc:mk_rdy(TmpHi), hipe_sparc:mk_alu('sra', Dst, hipe_sparc:mk_uimm5(31), TmpSign) | - conv_alub2(G0, TmpSign, 'sub', NewCond, TmpHi, I)]; + conv_alub2(G0, TmpSign, 'cmpcc', NewCond, TmpHi, I)]; _ -> - conv_alub2(Dst, Src1, RtlAlubOp, Cond, Src2, I) + XAluOp = + case (not HasDst) andalso RtlAlubOp =:= 'sub' of + true -> 'cmpcc'; % == a subcc that commutes + false -> conv_alubop_cc(RtlAlubOp) + end, + conv_alub2(Dst, Src1, XAluOp, Cond, Src2, I) end, {I2, Map2, Data}. --ifdef(notdef). % XXX: only for sparc64, alas -conv_alub2(Dst, Src1, RtlAlubOp, Cond, Src2, I) -> - case conv_cond_rcond(Cond) of - [] -> - conv_alub_bp(Dst, Src1, RtlAlubOp, Cond, Src2, I); - RCond -> - conv_alub_br(Dst, Src1, RtlAlubOp, RCond, Src2, I) - end. +conv_alub2(Dst, Src1, XAluOp, Cond, Src2, I) -> + conv_alub_bp(Dst, Src1, XAluOp, Cond, Src2, I). -conv_alub_br(Dst, Src1, RtlAlubOp, RCond, Src2, I) -> - TrueLab = hipe_rtl:alub_true_label(I), - FalseLab = hipe_rtl:alub_false_label(I), - Pred = hipe_rtl:alub_pred(I), - %% "Dst = Src1 AluOp Src2; if COND" becomes - %% "Dst = Src1 AluOp Src2; if-COND(Dst)" - {I2, _DidCommute} = mk_alu(conv_alubop_nocc(RtlAlubOp), Src1, Src2, Dst), - I2 ++ mk_pseudo_br(RCond, Dst, TrueLab, FalseLab, Pred). - -conv_cond_rcond(Cond) -> - case Cond of - 'e' -> 'z'; - 'ne' -> 'nz'; - 'g' -> 'gz'; - 'ge' -> 'gez'; - 'l' -> 'lz'; - 'le' -> 'lez'; - _ -> [] % vs, vc, gu, geu, lu, leu - end. - -conv_alubop_nocc(RtlAlubOp) -> - case RtlAlubOp of - 'add' -> 'add'; - 'sub' -> 'sub'; - %% mul: handled elsewhere - 'or' -> 'or'; - 'and' -> 'and'; - 'xor' -> 'xor' - %% no shift ops - end. - -mk_pseudo_br(RCond, Dst, TrueLab, FalseLab, Pred) -> - [hipe_sparc:mk_pseudo_br(RCond, Dst, TrueLab, FalseLab, Pred)]. --else. -conv_alub2(Dst, Src1, RtlAlubOp, Cond, Src2, I) -> - conv_alub_bp(Dst, Src1, RtlAlubOp, Cond, Src2, I). --endif. - -conv_alub_bp(Dst, Src1, RtlAlubOp, Cond, Src2, I) -> +conv_alub_bp(Dst, Src1, XAluOp, Cond, Src2, I) -> TrueLab = hipe_rtl:alub_true_label(I), FalseLab = hipe_rtl:alub_false_label(I), Pred = hipe_rtl:alub_pred(I), %% "Dst = Src1 AluOp Src2; if COND" becomes %% "Dst = Src1 AluOpCC Src22; if-COND(CC)" - {I2, _DidCommute} = mk_alu(conv_alubop_cc(RtlAlubOp), Src1, Src2, Dst), - I2 ++ mk_pseudo_bp(Cond, TrueLab, FalseLab, Pred). + {I2, DidCommute} = mk_alu(XAluOp, Src1, Src2, Dst), + NewCond = + case DidCommute andalso XAluOp =:= 'cmpcc' of + true -> commute_cond(Cond); % subcc does not commute; its conditions do + false -> Cond + end, + I2 ++ mk_pseudo_bp(NewCond, TrueLab, FalseLab, Pred). conv_alubop_cc(RtlAlubOp) -> case RtlAlubOp of @@ -380,69 +350,6 @@ conv_alubop_cc(RtlAlubOp) -> %% no shift ops end. -conv_branch(I, Map, Data) -> - %% <unused> = src1 - src2; if COND goto label - {Src1, Map0} = conv_src(hipe_rtl:branch_src1(I), Map), - {Src2, Map1} = conv_src(hipe_rtl:branch_src2(I), Map0), - Cond = conv_cond(hipe_rtl:branch_cond(I)), - I2 = conv_branch2(Src1, Cond, Src2, I), - {I2, Map1, Data}. - --ifdef(notdef). % XXX: only for sparc64, alas -conv_branch2(Src1, Cond, Src2, I) -> - case conv_cond_rcond(Cond) of - [] -> - conv_branch_bp(Src1, Cond, Src2, I); - RCond -> - conv_branch_br(Src1, RCond, Src2, I) - end. - -conv_branch_br(Src1, RCond, Src2, I) -> - TrueLab = hipe_rtl:branch_true_label(I), - FalseLab = hipe_rtl:branch_false_label(I), - Pred = hipe_rtl:branch_pred(I), - %% "if src1-COND-src2" becomes - %% "sub src1,src2,tmp; if-COND(tmp)" - Dst = hipe_sparc:mk_new_temp('untagged'), - XAluOp = 'cmp', % == a sub that commutes - {I1, DidCommute} = mk_alu(XAluOp, Src1, Src2, Dst), - NewRCond = - case DidCommute of - true -> commute_rcond(RCond); - false -> RCond - end, - I1 ++ mk_pseudo_br(NewRCond, Dst, TrueLab, FalseLab, Pred). - -commute_rcond(RCond) -> % if x RCond y, then y commute_rcond(RCond) x - case RCond of - 'z' -> 'z'; % ==, == - 'nz' -> 'nz'; % !=, != - 'gz' -> 'lz'; % >, < - 'gez' -> 'lez'; % >=, <= - 'lz' -> 'gz'; % <, > - 'lez' -> 'gez' % <=, >= - end. --else. -conv_branch2(Src1, Cond, Src2, I) -> - conv_branch_bp(Src1, Cond, Src2, I). --endif. - -conv_branch_bp(Src1, Cond, Src2, I) -> - TrueLab = hipe_rtl:branch_true_label(I), - FalseLab = hipe_rtl:branch_false_label(I), - Pred = hipe_rtl:branch_pred(I), - %% "if src1-COND-src2" becomes - %% "subcc src1,src2,%g0; if-COND(CC)" - Dst = hipe_sparc:mk_g0(), - XAluOp = 'cmpcc', % == a subcc that commutes - {I1, DidCommute} = mk_alu(XAluOp, Src1, Src2, Dst), - NewCond = - case DidCommute of - true -> commute_cond(Cond); - false -> Cond - end, - I1 ++ mk_pseudo_bp(NewCond, TrueLab, FalseLab, Pred). - conv_call(I, Map, Data) -> {Args, Map0} = conv_src_list(hipe_rtl:call_arglist(I), Map), {Dsts, Map1} = conv_dst_list(hipe_rtl:call_dstlist(I), Map0), diff --git a/lib/hipe/x86/hipe_rtl_to_x86.erl b/lib/hipe/x86/hipe_rtl_to_x86.erl index 4c8c98551c..ccb9b7632b 100644 --- a/lib/hipe/x86/hipe_rtl_to_x86.erl +++ b/lib/hipe/x86/hipe_rtl_to_x86.erl @@ -91,26 +91,31 @@ conv_insn(I, Map, Data) -> #alub{} -> %% dst = src1 op src2; if COND goto label BinOp = conv_binop(hipe_rtl:alub_op(I)), - {Dst, Map0} = conv_dst(hipe_rtl:alub_dst(I), Map), - {FixSrc1, Src1, Map1} = conv_src(hipe_rtl:alub_src1(I), Map0), - {FixSrc2, Src2, Map2} = conv_src(hipe_rtl:alub_src2(I), Map1), + {FixSrc1, Src1, Map0} = conv_src(hipe_rtl:alub_src1(I), Map), + {FixSrc2, Src2, Map1} = conv_src(hipe_rtl:alub_src2(I), Map0), Cc = conv_cond(hipe_rtl:alub_cond(I)), - I1 = [hipe_x86:mk_pseudo_jcc(Cc, - hipe_rtl:alub_true_label(I), - hipe_rtl:alub_false_label(I), - hipe_rtl:alub_pred(I))], - I2 = conv_alu(Dst, Src1, BinOp, Src2, I1), - {FixSrc1++FixSrc2++I2, Map2, Data}; - #branch{} -> - %% <unused> = src1 - src2; if COND goto label - {FixSrc1, Src1, Map0} = conv_src(hipe_rtl:branch_src1(I), Map), - {FixSrc2, Src2, Map1} = conv_src(hipe_rtl:branch_src2(I), Map0), - Cc = conv_cond(hipe_rtl:branch_cond(I)), - I2 = conv_branch(Src1, Cc, Src2, - hipe_rtl:branch_true_label(I), - hipe_rtl:branch_false_label(I), - hipe_rtl:branch_pred(I)), - {FixSrc1++FixSrc2++I2, Map1, Data}; + BranchOp = conv_branchop(BinOp), + HasDst = hipe_rtl:alub_has_dst(I), + {I2, Map3} = + case (not HasDst) andalso BranchOp =/= none of + true -> + {conv_branch(Src1, BranchOp, Src2, Cc, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I)), Map1}; + false -> + {Dst, Map2} = + case HasDst of + false -> {new_untagged_temp(), Map1}; + true -> conv_dst(hipe_rtl:alub_dst(I), Map1) + end, + I1 = [hipe_x86:mk_pseudo_jcc(Cc, + hipe_rtl:alub_true_label(I), + hipe_rtl:alub_false_label(I), + hipe_rtl:alub_pred(I))], + {conv_alu(Dst, Src1, BinOp, Src2, I1), Map2} + end, + {FixSrc1++FixSrc2++I2, Map3, Data}; #call{} -> %% push <arg1> %% ... @@ -360,28 +365,41 @@ conv_shift(Dst, Src1, BinOp, Src2) -> %%% Finalise the conversion of a conditional branch operation, taking %%% care to not introduce more temps and moves than necessary. -conv_branch(Src1, Cc, Src2, TrueLab, FalseLab, Pred) -> +conv_branchop('sub') -> 'cmp'; +conv_branchop('and') -> 'test'; +conv_branchop(_) -> none. + +branchop_commutes('cmp') -> false; +branchop_commutes('test') -> true. + +conv_branch(Src1, Op, Src2, Cc, TrueLab, FalseLab, Pred) -> case hipe_x86:is_imm(Src1) of false -> - mk_branch(Src1, Cc, Src2, TrueLab, FalseLab, Pred); + mk_branch(Src1, Op, Src2, Cc, TrueLab, FalseLab, Pred); true -> case hipe_x86:is_imm(Src2) of false -> - NewCc = commute_cc(Cc), - mk_branch(Src2, NewCc, Src1, TrueLab, FalseLab, Pred); + NewCc = case branchop_commutes(Op) of + true -> Cc; + false -> commute_cc(Cc) + end, + mk_branch(Src2, Op, Src1, NewCc, TrueLab, FalseLab, Pred); true -> %% two immediates, let the optimiser clean it up Tmp = new_untagged_temp(), [hipe_x86:mk_move(Src1, Tmp) | - mk_branch(Tmp, Cc, Src2, TrueLab, FalseLab, Pred)] + mk_branch(Tmp, Op, Src2, Cc, TrueLab, FalseLab, Pred)] end end. -mk_branch(Src1, Cc, Src2, TrueLab, FalseLab, Pred) -> +mk_branch(Src1, Op, Src2, Cc, TrueLab, FalseLab, Pred) -> %% PRE: not(is_imm(Src1)) - [hipe_x86:mk_cmp(Src2, Src1), + [mk_branchtest(Src1, Op, Src2), hipe_x86:mk_pseudo_jcc(Cc, TrueLab, FalseLab, Pred)]. +mk_branchtest(Src1, cmp, Src2) -> hipe_x86:mk_cmp(Src2, Src1); +mk_branchtest(Src1, test, Src2) -> hipe_x86:mk_test(Src2, Src1). + %%% Convert an RTL ALU or ALUB binary operator. conv_binop(BinOp) -> diff --git a/lib/hipe/x86/hipe_x86.erl b/lib/hipe/x86/hipe_x86.erl index 33d7f77cf1..e7c4497cda 100644 --- a/lib/hipe/x86/hipe_x86.erl +++ b/lib/hipe/x86/hipe_x86.erl @@ -201,7 +201,7 @@ shift_src/1, shift_dst/1, - %% mk_test/2, + mk_test/2, test_src/1, test_dst/1, @@ -305,7 +305,7 @@ mk_cmp(Src, Dst) -> #cmp{src=Src, dst=Dst}. cmp_src(#cmp{src=Src}) -> Src. cmp_dst(#cmp{dst=Dst}) -> Dst. -%% mk_test(Src, Dst) -> #test{src=Src, dst=Dst}. +mk_test(Src, Dst) -> #test{src=Src, dst=Dst}. test_src(#test{src=Src}) -> Src. test_dst(#test{dst=Dst}) -> Dst. |