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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c65dcc3..80f124a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,29 @@ +2012-01-23 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/51933 + * ree.c (transform_ifelse): Return true right away if dstreg is + already wider or equal to cand->mode. + (enum ext_modified_kind, struct ext_modified, ext_state): New types. + (make_defs_and_copies_lists): Remove defs_list and copies_list + arguments, add state argument, just truncate state->work_list + instead of always allocating and freeing the vector. Assert that + get_defs succeeds instead of returning 2. Changed return type to + bool. + (merge_def_and_ext): Add state argument. If SET_DEST doesn't + have ext_src_mode, see if it has been modified already with the + right kind of extension and has been extended before from the + ext_src_mode. If SET_DEST is already wider or equal to cand->mode, + just return true. Remember the original mode in state->modified + array. + (combine_reaching_defs): Add state argument. Don't allocate and + free here def_list, copied_list and vec vectors, instead just + VEC_truncate the vectors in *state. Don't handle outcome == 2 + here. + (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag. + Add state variable, clear vectors in it, initialize state.modified + if needed. Free all the vectors at the end and state.modified too. + Don't skip a candidate if the extension expression has been modified. + 2012-01-22 Douglas B Rupp <rupp@gnat.com> PR target/47096 |