Small improvements in compilation times for the register allocation pass.

Maps.v: add a PTree.fold1 operation that doesn't maintain the key.


git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2329 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 21 insertions, 1 deletions

diff --git a/lib/Camlcoq.ml b/lib/Camlcoq.ml
index e057771e..2415e1d9 100644
--- a/lib/Camlcoq.ml
+++ b/lib/Camlcoq.ml
@@ -267,7 +267,7 @@ let camlfloat_of_coqfloat f =
 (* Timing facility *)
 
 (*
-let timers = (Hashtbl.create 9 : (string, float) Hashtbl.t)
+let timers = Hashtbl.create 9
 
 let add_to_timer name time =
   let old = try Hashtbl.find timers name with Not_found -> 0.0 in
@@ -283,6 +283,26 @@ let time name fn arg =
     add_to_timer name (Unix.gettimeofday() -. start);
     raise x
 
+let time2 name fn arg1 arg2 =
+  let start = Unix.gettimeofday() in
+  try
+    let res = fn arg1 arg2 in
+    add_to_timer name (Unix.gettimeofday() -. start);
+    res
+  with x ->
+    add_to_timer name (Unix.gettimeofday() -. start);
+    raise x
+
+let time3 name fn arg1 arg2 arg3 =
+  let start = Unix.gettimeofday() in
+  try
+    let res = fn arg1 arg2 arg3 in
+    add_to_timer name (Unix.gettimeofday() -. start);
+    res
+  with x ->
+    add_to_timer name (Unix.gettimeofday() -. start);
+    raise x
+
 let print_timers () =
   Hashtbl.iter
     (fun name time -> Printf.printf "%-20s %.3f\n" name time)