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* [GOOGLE] Reduce max-vartrack-size
@ 2015-10-13 20:54 Teresa Johnson
  0 siblings, 0 replies; only message in thread
From: Teresa Johnson @ 2015-10-13 20:54 UTC (permalink / raw)
  To: Xinliang David Li; +Cc: gcc-patches

Reduce the maximum variable tracking size by 20% to avoid extreme
compilation times.

Ok for google-4_9?

2015-10-13  Teresa Johnson  <tejohnson@google.com>

Google ref b/24569916
* params.def (PARAM_MAX_VARTRACK_SIZE): Reduce default to 40M.

Index: params.def
===================================================================
--- params.def (revision 228063)
+++ params.def (working copy)
@@ -1160,7 +1160,7 @@ DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
 DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
   "max-vartrack-size",
   "Max. size of var tracking hash tables",
-  50000000, 0, 0)
+  40000000, 0, 0)

 /* Set maximum recursion depth for var tracking expression expansion
    and resolution.  */


-- 
Teresa Johnson | Software Engineer | tejohnson@google.com | 408-460-2413

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