opts.c (decode_options): Don't enable flag_schedule_insns when optimizing for size.

	* opts.c (decode_options): Don't enable flag_schedule_insns 
	when optimizing for size.
	* doc/invoke.texi: Document change.

From-SVN: r154424

1 files changed, 2 insertions, 1 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index b2b6c44..4e8fdcc 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -884,7 +884,8 @@ decode_options (unsigned int argc, const char **argv)
   flag_caller_saves = opt2;
   flag_peephole2 = opt2;
 #ifdef INSN_SCHEDULING
-  flag_schedule_insns = opt2;
+  /* Only run the pre-regalloc scheduling pass if optimizing for speed.  */
+  flag_schedule_insns = opt2 && ! optimize_size;
   flag_schedule_insns_after_reload = opt2;
 #endif
   flag_regmove = opt2;