hipe: Reuse liveness info for spillmin

For x86, additionally reuse liveness from float LSRA for the GP LSRA.

1 files changed, 8 insertions, 8 deletions

diff --git a/lib/hipe/regalloc/hipe_regalloc_loop.erl b/lib/hipe/regalloc/hipe_regalloc_loop.erl
index d29615a3a0..fa42cdd0fb 100644
--- a/lib/hipe/regalloc/hipe_regalloc_loop.erl
+++ b/lib/hipe/regalloc/hipe_regalloc_loop.erl
@@ -38,20 +38,19 @@ ra_common(Defun, SpillIndex, Options, RegAllocMod, TargetMod) ->
   ?inc_counter(ra_calls_counter, 1),
   CFG = TargetMod:defun_to_cfg(Defun),
   SpillLimit = TargetMod:number_of_temporaries(CFG),
-  alloc(Defun, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod).
+  alloc(Defun, CFG, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod).
 
-alloc(Defun, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod) ->
+alloc(Defun, CFG, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod) ->
   ?inc_counter(ra_iteration_counter, 1),
-  CFG = TargetMod:defun_to_cfg(Defun),
-  {Coloring, _NewSpillIndex} =
-    RegAllocMod:regalloc(CFG, SpillIndex, SpillLimit, TargetMod, Options),
+  {Coloring, _NewSpillIndex, Liveness} =
+    RegAllocMod:regalloc(CFG, SpillIndex, SpillLimit,TargetMod, Options),
   {NewDefun, DidSpill} = TargetMod:check_and_rewrite(Defun, Coloring),
   case DidSpill of
     false -> %% No new temps, we are done.
       ?add_spills(Options, _NewSpillIndex),
       TempMap = hipe_temp_map:cols2tuple(Coloring, TargetMod),
-      {TempMap2, NewSpillIndex2} = 
-	hipe_spillmin:stackalloc(CFG, [], SpillIndex, Options, 
+      {TempMap2, NewSpillIndex2} =
+	hipe_spillmin:stackalloc(CFG, Liveness, [], SpillIndex, Options,
 				 TargetMod, TempMap),
       Coloring2 = 
 	hipe_spillmin:mapmerge(hipe_temp_map:to_substlist(TempMap), TempMap2),
@@ -63,7 +62,8 @@ alloc(Defun, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod) ->
       %% end,
       {NewDefun, Coloring2, NewSpillIndex2};
     _ ->
+      NewCFG = TargetMod:defun_to_cfg(NewDefun),
       %% Since SpillLimit is used as a low-water-mark
       %% the list of temps not to spill is uninteresting.
-      alloc(NewDefun, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod)
+      alloc(NewDefun, NewCFG, SpillLimit, SpillIndex, Options, RegAllocMod, TargetMod)
   end.