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-rw-r--r--lib/hipe/arm/hipe_arm_cfg.erl21
-rw-r--r--lib/hipe/ppc/hipe_ppc_cfg.erl21
-rw-r--r--lib/hipe/regalloc/hipe_amd64_specific_sse2.erl6
-rw-r--r--lib/hipe/regalloc/hipe_arm_specific.erl6
-rw-r--r--lib/hipe/regalloc/hipe_ppc_specific.erl6
-rw-r--r--lib/hipe/regalloc/hipe_ppc_specific_fp.erl6
-rw-r--r--lib/hipe/regalloc/hipe_sparc_specific.erl6
-rw-r--r--lib/hipe/regalloc/hipe_sparc_specific_fp.erl6
-rw-r--r--lib/hipe/regalloc/hipe_x86_specific.erl6
-rw-r--r--lib/hipe/sparc/hipe_sparc_cfg.erl22
-rw-r--r--lib/hipe/x86/hipe_x86_cfg.erl22
11 files changed, 126 insertions, 2 deletions
diff --git a/lib/hipe/arm/hipe_arm_cfg.erl b/lib/hipe/arm/hipe_arm_cfg.erl
index ea6da67317..0bc3df30b9 100644
--- a/lib/hipe/arm/hipe_arm_cfg.erl
+++ b/lib/hipe/arm/hipe_arm_cfg.erl
@@ -24,6 +24,7 @@
-export([params/1, reverse_postorder/1]).
-export([arity/1]). % for linear scan
%%-export([redirect_jmp/3]).
+-export([branch_preds/1]).
%%% these tell cfg.inc what to define (ugly as hell)
-define(BREADTH_ORDER,true). % for linear scan
@@ -75,6 +76,26 @@ branch_successors(Branch) ->
#pseudo_tailcall{} -> []
end.
+branch_preds(Branch) ->
+ case Branch of
+ #pseudo_bc{true_label=TrueLab,false_label=FalseLab,pred=Pred} ->
+ [{FalseLab, 1.0-Pred}, {TrueLab, Pred}];
+ #pseudo_call{contlab=ContLab, sdesc=#arm_sdesc{exnlab=[]}} ->
+ %% A function can still cause an exception, even if we won't catch it
+ [{ContLab, 1.0-hipe_bb_weights:call_exn_pred()}];
+ #pseudo_call{contlab=ContLab, sdesc=#arm_sdesc{exnlab=ExnLab}} ->
+ CallExnPred = hipe_bb_weights:call_exn_pred(),
+ [{ContLab, 1.0-CallExnPred}, {ExnLab, CallExnPred}];
+ #pseudo_switch{labels=Labels} ->
+ Prob = 1.0/length(Labels),
+ [{L, Prob} || L <- Labels];
+ _ ->
+ case branch_successors(Branch) of
+ [] -> [];
+ [Single] -> [{Single, 1.0}]
+ end
+ end.
+
-ifdef(REMOVE_TRIVIAL_BBS_NEEDED).
fails_to(_Instr) -> [].
-endif.
diff --git a/lib/hipe/ppc/hipe_ppc_cfg.erl b/lib/hipe/ppc/hipe_ppc_cfg.erl
index 58a4d5c8c3..d44d38f38d 100644
--- a/lib/hipe/ppc/hipe_ppc_cfg.erl
+++ b/lib/hipe/ppc/hipe_ppc_cfg.erl
@@ -22,6 +22,7 @@
-export([postorder/1]).
-export([linearise/1, params/1, reverse_postorder/1]).
-export([redirect_jmp/3, arity/1]).
+-export([branch_preds/1]).
%%% these tell cfg.inc what to define (ugly as hell)
-define(BREADTH_ORDER,true).
@@ -74,6 +75,26 @@ branch_successors(Branch) ->
#pseudo_tailcall{} -> []
end.
+branch_preds(Branch) ->
+ case Branch of
+ #bctr{labels=Labels} ->
+ Prob = 1.0/length(Labels),
+ [{L, Prob} || L <- Labels];
+ #pseudo_bc{true_label=TrueLab,false_label=FalseLab,pred=Pred} ->
+ [{FalseLab, 1.0-Pred}, {TrueLab, Pred}];
+ #pseudo_call{contlab=ContLab, sdesc=#ppc_sdesc{exnlab=[]}} ->
+ %% A function can still cause an exception, even if we won't catch it
+ [{ContLab, 1.0-hipe_bb_weights:call_exn_pred()}];
+ #pseudo_call{contlab=ContLab, sdesc=#ppc_sdesc{exnlab=ExnLab}} ->
+ CallExnPred = hipe_bb_weights:call_exn_pred(),
+ [{ContLab, 1.0-CallExnPred}, {ExnLab, CallExnPred}];
+ _ ->
+ case branch_successors(Branch) of
+ [] -> [];
+ [Single] -> [{Single, 1.0}]
+ end
+ end.
+
-ifdef(REMOVE_TRIVIAL_BBS_NEEDED).
fails_to(_Instr) -> [].
-endif.
diff --git a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
index 341233e851..8914e7cac3 100644
--- a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
+++ b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
@@ -60,6 +60,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights
+-export([branch_preds/2]).
+
%%----------------------------------------------------------------------------
-include("../flow/cfg.hrl").
@@ -156,6 +159,9 @@ bb(CFG, L, _) ->
update_bb(CFG,L,BB,_) ->
hipe_x86_cfg:bb_add(CFG,L,BB).
+branch_preds(Instr,_) ->
+ hipe_x86_cfg:branch_preds(Instr).
+
%% AMD64 stuff
def_use(Instruction, _) ->
diff --git a/lib/hipe/regalloc/hipe_arm_specific.erl b/lib/hipe/regalloc/hipe_arm_specific.erl
index 224837a34a..517ad83982 100644
--- a/lib/hipe/regalloc/hipe_arm_specific.erl
+++ b/lib/hipe/regalloc/hipe_arm_specific.erl
@@ -56,6 +56,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights, hipe_range_split
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, no_context) ->
hipe_arm_ra_postconditions:check_and_rewrite(CFG, Coloring, 'normal').
@@ -119,6 +122,9 @@ bb(CFG,L,_) ->
update_bb(CFG,L,BB,_) ->
hipe_arm_cfg:bb_add(CFG,L,BB).
+branch_preds(Branch,_) ->
+ hipe_arm_cfg:branch_preds(Branch).
+
%% ARM stuff
def_use(Instruction, Ctx) ->
diff --git a/lib/hipe/regalloc/hipe_ppc_specific.erl b/lib/hipe/regalloc/hipe_ppc_specific.erl
index bc4bd1972e..50ab0f04cf 100644
--- a/lib/hipe/regalloc/hipe_ppc_specific.erl
+++ b/lib/hipe/regalloc/hipe_ppc_specific.erl
@@ -56,6 +56,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, _) ->
hipe_ppc_ra_postconditions:check_and_rewrite(CFG, Coloring, 'normal').
@@ -119,6 +122,9 @@ bb(CFG,L,_) ->
update_bb(CFG,L,BB,_) ->
hipe_ppc_cfg:bb_add(CFG,L,BB).
+branch_preds(Instr,_) ->
+ hipe_ppc_cfg:branch_preds(Instr).
+
%% PowerPC stuff
def_use(Instruction, Ctx) ->
diff --git a/lib/hipe/regalloc/hipe_ppc_specific_fp.erl b/lib/hipe/regalloc/hipe_ppc_specific_fp.erl
index 3aab14f061..5a4f63fc78 100644
--- a/lib/hipe/regalloc/hipe_ppc_specific_fp.erl
+++ b/lib/hipe/regalloc/hipe_ppc_specific_fp.erl
@@ -56,6 +56,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, _) ->
hipe_ppc_ra_postconditions_fp:check_and_rewrite(CFG, Coloring).
@@ -112,6 +115,9 @@ bb(CFG, L, _) ->
update_bb(CFG,L,BB,_) ->
hipe_ppc_cfg:bb_add(CFG,L,BB).
+branch_preds(Instr,_) ->
+ hipe_ppc_cfg:branch_preds(Instr).
+
%% PowerPC stuff
def_use(I, Ctx) ->
diff --git a/lib/hipe/regalloc/hipe_sparc_specific.erl b/lib/hipe/regalloc/hipe_sparc_specific.erl
index 12642709b9..9eb57dafd2 100644
--- a/lib/hipe/regalloc/hipe_sparc_specific.erl
+++ b/lib/hipe/regalloc/hipe_sparc_specific.erl
@@ -56,6 +56,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights, hipe_range_split
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, no_context) ->
hipe_sparc_ra_postconditions:check_and_rewrite(CFG, Coloring, 'normal').
@@ -119,6 +122,9 @@ bb(CFG,L,_) ->
update_bb(CFG,L,BB,_) ->
hipe_sparc_cfg:bb_add(CFG,L,BB).
+branch_preds(Branch,_) ->
+ hipe_sparc_cfg:branch_preds(Branch).
+
%% SPARC stuff
def_use(Instruction, Ctx) ->
diff --git a/lib/hipe/regalloc/hipe_sparc_specific_fp.erl b/lib/hipe/regalloc/hipe_sparc_specific_fp.erl
index ba4849d2d5..9993af81c2 100644
--- a/lib/hipe/regalloc/hipe_sparc_specific_fp.erl
+++ b/lib/hipe/regalloc/hipe_sparc_specific_fp.erl
@@ -56,6 +56,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights, hipe_range_split
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, no_context) ->
hipe_sparc_ra_postconditions_fp:check_and_rewrite(CFG, Coloring).
@@ -112,6 +115,9 @@ bb(CFG, L, _) ->
update_bb(CFG,L,BB,_) ->
hipe_sparc_cfg:bb_add(CFG,L,BB).
+branch_preds(Branch,_) ->
+ hipe_sparc_cfg:branch_preds(Branch).
+
%% SPARC stuff
def_use(I, Ctx) ->
diff --git a/lib/hipe/regalloc/hipe_x86_specific.erl b/lib/hipe/regalloc/hipe_x86_specific.erl
index 0d9d7b751e..f21384d377 100644
--- a/lib/hipe/regalloc/hipe_x86_specific.erl
+++ b/lib/hipe/regalloc/hipe_x86_specific.erl
@@ -73,6 +73,9 @@
update_bb/4,
subst_temps/3]).
+%% callbacks for hipe_bb_weights
+-export([branch_preds/2]).
+
check_and_rewrite(CFG, Coloring, _) ->
?HIPE_X86_RA_POSTCONDITIONS:check_and_rewrite(CFG, Coloring, 'normal').
@@ -160,6 +163,9 @@ bb(CFG,L,_) ->
update_bb(CFG,L,BB,_) ->
hipe_x86_cfg:bb_add(CFG,L,BB).
+branch_preds(Instr,_) ->
+ hipe_x86_cfg:branch_preds(Instr).
+
%% X86 stuff
def_use(Instruction,_) ->
diff --git a/lib/hipe/sparc/hipe_sparc_cfg.erl b/lib/hipe/sparc/hipe_sparc_cfg.erl
index b31c90a03a..45c8e887b5 100644
--- a/lib/hipe/sparc/hipe_sparc_cfg.erl
+++ b/lib/hipe/sparc/hipe_sparc_cfg.erl
@@ -23,7 +23,7 @@
-export([linearise/1]).
-export([params/1]).
-export([arity/1]). % for linear scan
--export([redirect_jmp/3]).
+-export([redirect_jmp/3, branch_preds/1]).
-define(SPARC_CFG, true). % needed for cfg.inc
@@ -78,6 +78,26 @@ branch_successors(Branch) ->
#pseudo_tailcall{} -> []
end.
+branch_preds(Branch) ->
+ case Branch of
+ #jmp{labels=Labels} ->
+ Prob = 1.0/length(Labels),
+ [{L, Prob} || L <- Labels];
+ #pseudo_bp{true_label=TrueLab,false_label=FalseLab,pred=Pred} ->
+ [{FalseLab, 1.0-Pred}, {TrueLab, Pred}];
+ #pseudo_call{contlab=ContLab, sdesc=#sparc_sdesc{exnlab=[]}} ->
+ %% A function can still cause an exception, even if we won't catch it
+ [{ContLab, 1.0-hipe_bb_weights:call_exn_pred()}];
+ #pseudo_call{contlab=ContLab, sdesc=#sparc_sdesc{exnlab=ExnLab}} ->
+ CallExnPred = hipe_bb_weights:call_exn_pred(),
+ [{ContLab, 1.0-CallExnPred}, {ExnLab, CallExnPred}];
+ _ ->
+ case branch_successors(Branch) of
+ [] -> [];
+ [Single] -> [{Single, 1.0}]
+ end
+ end.
+
-ifdef(REMOVE_TRIVIAL_BBS_NEEDED).
fails_to(_Instr) -> [].
-endif.
diff --git a/lib/hipe/x86/hipe_x86_cfg.erl b/lib/hipe/x86/hipe_x86_cfg.erl
index a4544e1086..0a3c0fc9d6 100644
--- a/lib/hipe/x86/hipe_x86_cfg.erl
+++ b/lib/hipe/x86/hipe_x86_cfg.erl
@@ -19,7 +19,7 @@
succ/2, pred/2,
bb/2, bb_add/3, map_bbs/2, fold_bbs/3]).
-export([postorder/1, reverse_postorder/1]).
--export([linearise/1, params/1, arity/1, redirect_jmp/3]).
+-export([linearise/1, params/1, arity/1, redirect_jmp/3, branch_preds/1]).
%%% these tell cfg.inc what to define (ugly as hell)
-define(PRED_NEEDED,true).
@@ -72,6 +72,26 @@ branch_successors(Branch) ->
#ret{} -> []
end.
+branch_preds(Branch) ->
+ case Branch of
+ #jmp_switch{labels=Labels} ->
+ Prob = 1.0/length(Labels),
+ [{L, Prob} || L <- Labels];
+ #pseudo_call{contlab=ContLab, sdesc=#x86_sdesc{exnlab=[]}} ->
+ %% A function can still cause an exception, even if we won't catch it
+ [{ContLab, 1.0-hipe_bb_weights:call_exn_pred()}];
+ #pseudo_call{contlab=ContLab, sdesc=#x86_sdesc{exnlab=ExnLab}} ->
+ CallExnPred = hipe_bb_weights:call_exn_pred(),
+ [{ContLab, 1.0-CallExnPred}, {ExnLab, CallExnPred}];
+ #pseudo_jcc{true_label=TrueLab,false_label=FalseLab,pred=Pred} ->
+ [{FalseLab, 1.0-Pred}, {TrueLab, Pred}];
+ _ ->
+ case branch_successors(Branch) of
+ [] -> [];
+ [Single] -> [{Single, 1.0}]
+ end
+ end.
+
-ifdef(REMOVE_TRIVIAL_BBS_NEEDED).
fails_to(_Instr) -> [].
-endif.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 20:06:55 +0000