re PR tree-optimization/49365 (436.cactusADM performance regression)

2011-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49365
	* params.def (min-insn-to-prefetch-ratio): Reduce from 10 to 9.

From-SVN: r175474

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e9dae06a29c0c2968068f20f2a6ed0fa3145c121..4a8cf00e4f1bc4bba6be5ffeeef29346c8e64d2b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-27  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/49365
+       * params.def (min-insn-to-prefetch-ratio): Reduce from 10 to 9.
+
 2011-06-27  Richard Guenther  <rguenther@suse.de>
 
        PR tree-optimization/49169

diff --git a/gcc/params.def b/gcc/params.def
index a3e9831baddc30bdab8af8669987b7a377aacd06..d827121f86c8200a4d25eb66a165033660f99e2c 100644 (file)
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -825,7 +825,7 @@ DEFPARAM (PARAM_MIN_INSN_TO_PREFETCH_RATIO,
          "min-insn-to-prefetch-ratio",
          "Min. ratio of insns to prefetches to enable prefetching for "
           "a loop with an unknown trip count",
-         10, 0, 0)
+         9, 0, 0)
 
 DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
          "prefetch-min-insn-to-mem-ratio",