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-rw-r--r--gcc/opts.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/opts.c b/gcc/opts.c
index b44b28c..640b92e 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -497,7 +497,6 @@ decode_options (unsigned int argc, const char **argv)
flag_tree_dce = 1;
flag_tree_dom = 1;
flag_tree_dse = 1;
- flag_tree_pre = 1;
flag_tree_ter = 1;
flag_tree_live_range_split = 1;
flag_tree_sra = 1;
@@ -511,6 +510,9 @@ decode_options (unsigned int argc, const char **argv)
the condition is satisfied in the first iteration and therefore
to eliminate it. Jump threading handles these cases now. */
flag_tree_ch = 1;
+
+ /* PRE tends to generate bigger code. */
+ flag_tree_pre = 1;
}
}