diff options
Diffstat (limited to 'gcc/loop-unroll.c')
| -rw-r--r-- | gcc/loop-unroll.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/gcc/loop-unroll.c b/gcc/loop-unroll.c index 42b1548d1ff..b568ea56d84 100644 --- a/gcc/loop-unroll.c +++ b/gcc/loop-unroll.c @@ -461,7 +461,6 @@ unroll_loop_constant_iterations (struct loop *loop) { unsigned HOST_WIDE_INT niter; unsigned exit_mod; - sbitmap wont_exit; unsigned i; edge e; unsigned max_unroll = loop->lpt_decision.times; @@ -477,7 +476,7 @@ unroll_loop_constant_iterations (struct loop *loop) exit_mod = niter % (max_unroll + 1); - wont_exit = sbitmap_alloc (max_unroll + 1); + auto_sbitmap wont_exit (max_unroll + 1); bitmap_ones (wont_exit); auto_vec<edge> remove_edges; @@ -604,8 +603,6 @@ unroll_loop_constant_iterations (struct loop *loop) free_opt_info (opt_info); } - free (wont_exit); - if (exit_at_end) { basic_block exit_block = get_bb_copy (desc->in_edge->src); @@ -861,7 +858,6 @@ unroll_loop_runtime_iterations (struct loop *loop) rtx_insn *init_code, *branch_code; unsigned i, j, p; basic_block preheader, *body, swtch, ezc_swtch; - sbitmap wont_exit; int may_exit_copy; unsigned n_peel; edge e; @@ -936,7 +932,7 @@ unroll_loop_runtime_iterations (struct loop *loop) auto_vec<edge> remove_edges; - wont_exit = sbitmap_alloc (max_unroll + 2); + auto_sbitmap wont_exit (max_unroll + 2); /* Peel the first copy of loop body (almost always we must leave exit test here; the only exception is when we have extra zero check and the number @@ -1035,8 +1031,6 @@ unroll_loop_runtime_iterations (struct loop *loop) free_opt_info (opt_info); } - free (wont_exit); - if (exit_at_end) { basic_block exit_block = get_bb_copy (desc->in_edge->src); @@ -1201,7 +1195,6 @@ decide_unroll_stupid (struct loop *loop, int flags) static void unroll_loop_stupid (struct loop *loop) { - sbitmap wont_exit; unsigned nunroll = loop->lpt_decision.times; struct niter_desc *desc = get_simple_loop_desc (loop); struct opt_info *opt_info = NULL; @@ -1211,8 +1204,7 @@ unroll_loop_stupid (struct loop *loop) || flag_variable_expansion_in_unroller) opt_info = analyze_insns_in_loop (loop); - - wont_exit = sbitmap_alloc (nunroll + 1); + auto_sbitmap wont_exit (nunroll + 1); bitmap_clear (wont_exit); opt_info_start_duplication (opt_info); @@ -1231,8 +1223,6 @@ unroll_loop_stupid (struct loop *loop) free_opt_info (opt_info); } - free (wont_exit); - if (desc->simple_p) { /* We indeed may get here provided that there are nontrivial assumptions |