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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 992322e1692..63635b8f019 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,25 @@ +2012-10-17 Jan Hubicka <jh@suse.cz> + + * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Add edge_to_cancel + parameter and use it to estimate code optimized out in the final iteration. + (loop_edge_to_cancel): New function. + (try_unroll_loop_completely): New IRRED_IVALIDATED parameter; + handle unrolling loops with bounds given via max_loop_iteratins; + handle unrolling non-inner loops when code size shrinks; + tidy dump output; when the last iteration loop still stays + as loop in the CFG forcongly redirect the latch to + __builtin_unreachable. + (canonicalize_loop_induction_variables): Add irred_invlaidated + parameter; record niter bound derrived; dump + max_loop_iterations bounds; call try_unroll_loop_completely + even if no niter bound is given. + (canonicalize_induction_variables): Handle irred_invalidated. + (tree_unroll_loops_completely): Handle non-innermost loops; + handle irred_invalidated. + * cfgloop.h (unlop): Declare. + * cfgloopmanip.c (unloop): Export. + * tree.c (build_common_builtin_nodes): Build BULTIN_UNREACHABLE. + 2012-10-17 Michael Meissner <meissner@linux.vnet.ibm.com> * opth-gen.awk (TARGET_* generation): Always generate TARGET_<xxx> |