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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b7e0a64..ba74c1b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,33 @@ +2012-10-08 Jan Hubicka <jh@suse.cz> + + * loop-unswitch.c (unswitch_single_loop): Use + estimated_loop_iterations_int to prevent unswitching when loop + is known to not roll. + * tree-ssa-loop-niter.c (estimated_loop_iterations): Do not segfault + when SCEV is not initialized. + (max_loop_iterations): Likewise. + * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Use + estimated_loop_iterations_int to prevent unswithcing when + loop is known to not roll. + * tree-scalar-evolution.c (scev_initialized_p): New function. + * tree-scalar-evolution.h (scev_initialized_p): Likewise. + * loop-unroll.c (decide_peel_once_rolling): Use + max_loop_iterations_int. + (unroll_loop_constant_iterations): Update + nb_iterations_upper_bound and nb_iterations_estimate. + (decide_unroll_runtime_iterations): Use + estimated_loop_iterations or max_loop_iterations; + (unroll_loop_runtime_iterations): fix profile updating. + (decide_peel_simple): Use estimated_loop_iterations + and max_loop_iterations. + (decide_unroll_stupid): Use estimated_loop_iterations + ad max_loop_iterations. + * loop-doloop.c (doloop_modify): Use max_loop_iterations_int. + (doloop_optimize): Likewise. + * loop-iv.c (iv_number_of_iterations): Use record_niter_bound. + (find_simple_exit): Likewise. + * cfgloop.h (struct niter_desc): Remove niter_max. + 2012-10-08 Marek Polacek <polacek@redhat.com> PR debug/54831 |