diff options
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index a23c787..7e50b97 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -562,16 +562,15 @@ copy_phi_node_args (unsigned first_new_block) bool tree_duplicate_loop_to_header_edge (struct loop *loop, edge e, - struct loops *loops, unsigned int ndupl, sbitmap wont_exit, edge orig, edge *to_remove, unsigned int *n_to_remove, int flags) { unsigned first_new_block; - if (!(loops->state & LOOPS_HAVE_SIMPLE_LATCHES)) + if (!(current_loops->state & LOOPS_HAVE_SIMPLE_LATCHES)) return false; - if (!(loops->state & LOOPS_HAVE_PREHEADERS)) + if (!(current_loops->state & LOOPS_HAVE_PREHEADERS)) return false; #ifdef ENABLE_CHECKING @@ -579,7 +578,7 @@ tree_duplicate_loop_to_header_edge (struct loop *loop, edge e, #endif first_new_block = last_basic_block; - if (!duplicate_loop_to_header_edge (loop, e, loops, ndupl, wont_exit, + if (!duplicate_loop_to_header_edge (loop, e, ndupl, wont_exit, orig, to_remove, n_to_remove, flags)) return false; @@ -757,10 +756,9 @@ determine_exit_conditions (struct loop *loop, struct tree_niter_desc *desc, *exit_bound = bound; } -/* Unroll LOOP FACTOR times. LOOPS is the loops tree. DESC describes - number of iterations of LOOP. EXIT is the exit of the loop to that - DESC corresponds. - +/* Unroll LOOP FACTOR times. DESC describes number of iterations of LOOP. + EXIT is the exit of the loop to that DESC corresponds. + If N is number of iterations of the loop and MAY_BE_ZERO is the condition under that loop exits in the first iteration even if N != 0, @@ -809,7 +807,7 @@ determine_exit_conditions (struct loop *loop, struct tree_niter_desc *desc, } */ void -tree_unroll_loop (struct loops *loops, struct loop *loop, unsigned factor, +tree_unroll_loop (struct loop *loop, unsigned factor, edge exit, struct tree_niter_desc *desc) { tree dont_exit, exit_if, ctr_before, ctr_after; @@ -832,7 +830,7 @@ tree_unroll_loop (struct loops *loops, struct loop *loop, unsigned factor, &enter_main_cond, &exit_base, &exit_step, &exit_cmp, &exit_bound); - new_loop = loop_version (loops, loop, enter_main_cond, NULL, true); + new_loop = loop_version (loop, enter_main_cond, NULL, true); gcc_assert (new_loop != NULL); update_ssa (TODO_update_ssa); @@ -855,7 +853,7 @@ tree_unroll_loop (struct loops *loops, struct loop *loop, unsigned factor, wont_exit = sbitmap_alloc (factor); sbitmap_ones (wont_exit); ok = tree_duplicate_loop_to_header_edge - (loop, loop_latch_edge (loop), loops, factor - 1, + (loop, loop_latch_edge (loop), factor - 1, wont_exit, NULL, NULL, NULL, DLTHE_FLAG_UPDATE_FREQ); free (wont_exit); gcc_assert (ok); @@ -926,7 +924,7 @@ tree_unroll_loop (struct loops *loops, struct loop *loop, unsigned factor, #ifdef ENABLE_CHECKING verify_flow_info (); verify_dominators (CDI_DOMINATORS); - verify_loop_structure (loops); + verify_loop_structure (); verify_loop_closed_ssa (); #endif } |