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| author | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-01-30 21:37:52 +0000 |
|---|---|---|
| committer | Daniel Berlin <dberlin@gcc.gnu.org> | 2005-01-30 21:37:52 +0000 |
| commit | 338bc65ef016e77c98f6d4ce6fc525447875e9e1 (patch) | |
| tree | 20615dae590c405efb17e4706973cf9dce5d2df1 /gcc | |
| parent | 0fc6c49280e515d2c1041919eae90b0bca864c81 (diff) | |
| download | gcc-338bc65ef016e77c98f6d4ce6fc525447875e9e1.zip gcc-338bc65ef016e77c98f6d4ce6fc525447875e9e1.tar.gz gcc-338bc65ef016e77c98f6d4ce6fc525447875e9e1.tar.bz2 | |
I swear this was in there when i committed, but apparently not
From-SVN: r94449
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 76c84a4..ab30545 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,29 @@ +2005-01-30 Daniel Berlin <dberlin@dberlin.org> + + Fix PR tree-optimization/19624 + + * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H. + * tree-ssa-pre.c: Add cfgloop.h. + Update comment. + (pre_stats): New member, constified. + (inserted_exprs): New static variable. + (NECESSARY): New macro. + (create_expression_by_pieces): Fold the expression, and + mark it as defaulting to not necessary. Also put in + inserted_exprs. + (fully_constant_expression): New function. + (insert_into_preds_of_block): Modify to not insert phis when we + are playing with induction variables. + Push phis onto the inserted_exprs vector, and mark them as not + necessary by default. + (insert_aux): Call fully_constant_expression on eprime. + If all edges produce the same value, mark it constant. + (mark_operand_necessary): New function. + (remove_dead_inserted_code): New function. + (init_pre): Init loop optimizer to get loop info. + (fini_pre): Free loop_optimizer, and inserted_exprs vec. + (execute_pre): Commit edge inserts, then remove dead code. + 2005-01-30 Richard Henderson <rth@redhat.com> * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR. |