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[Bug lto/44334] rnflow.f90 ~27% slower with -fwhole-program -flto after revision 159852


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44334

--- Comment #44 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-01-25 03:13:39 UTC ---
Testing...

Index: gcc/params.def
===================================================================
--- gcc/params.def    (revision 169185)
+++ gcc/params.def    (working copy)
@@ -182,7 +182,7 @@ DEFPARAM(PARAM_LARGE_FUNCTION_INSNS,
 DEFPARAM(PARAM_LARGE_FUNCTION_GROWTH,
      "large-function-growth",
      "Maximal growth due to inlining of large function (in percent)",
-     100, 0, 0)
+     400, 0, 0)
 DEFPARAM(PARAM_LARGE_UNIT_INSNS,
      "large-unit-insns",
      "The size of translation unit to be considered large",

shows only a major improvement for fatigue (30%). This same improvement can be
achieved at -m32 and -m64 with just an increase of large-function-growth to
200.


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