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authorBill Schmidt <wschmidt@linux.ibm.com>2012-06-12 13:38:16 +0000
committerBill Schmidt <wschmidt@linux.ibm.com>2012-06-12 13:38:16 +0000
commit45b8fee46ce3fe78799f3894f38e40812be828fe (patch)
tree4844a9d49d0608a170eeaa9cc4a3f4c4e4621aa6 /gcc/opts.c
parent4fb4e50d17825ebe67a81c5193293c90ddd2eb59 (diff)
2012-06-12 Bill Schmidt <wschmidt@linux.ibm.com>
* opts.c: Add -fhoist-adjacent-loads to -O2 and above. * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Add argument to forward declaration. (hoist_adjacent_loads, gate_hoist_loads): New forward declarations. (tree_ssa_phiopt): Call gate_hoist_loads. (tree_ssa_cs_elim): Add parm to tree_ssa_phiopt_worker call. (tree_ssa_phiopt_worker): Add do_hoist_loads to formal arg list; call hoist_adjacent_loads. (local_mem_dependence): New function. (hoist_adjacent_loads): Likewise. (gate_hoist_loads): Likewise. * common.opt (fhoist-adjacent-loads): New switch. * Makefile.in (tree-ssa-phiopt.o): Added dependencies. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@188457 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/opts.c')
-rw-r--r--gcc/opts.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c
index 58199c3bc3e..d189e90cce0 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -489,6 +489,7 @@ static const struct default_options default_options_table[] =
{ OPT_LEVELS_2_PLUS, OPT_falign_functions, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_ftree_tail_merge, NULL, 1 },
{ OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_foptimize_strlen, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fhoist_adjacent_loads, NULL, 1 },
/* -O3 optimizations. */
{ OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },