diff options
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index 6bb07e1..3c74127 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -3089,10 +3089,11 @@ tree_ssa_lim_finalize (void) } /* Moves invariants from loops. Only "expensive" invariants are moved out -- - i.e. those that are likely to be win regardless of the register pressure. */ + i.e. those that are likely to be win regardless of the register pressure. + Only perform store motion if STORE_MOTION is true. */ -static unsigned int -tree_ssa_lim (function *fun) +unsigned int +loop_invariant_motion_in_fun (function *fun, bool store_motion) { unsigned int todo = 0; @@ -3114,7 +3115,8 @@ tree_ssa_lim (function *fun) /* Execute store motion. Force the necessary invariants to be moved out of the loops as well. */ - do_store_motion (); + if (store_motion) + do_store_motion (); free (rpo); rpo = XNEWVEC (int, last_basic_block_for_fn (fun)); @@ -3175,7 +3177,7 @@ pass_lim::execute (function *fun) if (number_of_loops (fun) <= 1) return 0; - unsigned int todo = tree_ssa_lim (fun); + unsigned int todo = loop_invariant_motion_in_fun (fun, true); if (!in_loop_pipeline) loop_optimizer_finalize (); |