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| author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 21:47:45 +0000 |
|---|---|---|
| committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 21:47:45 +0000 |
| commit | 7d5644394af70c228676a2687c8308b2e3667bbc (patch) | |
| tree | 76635c73ab7b462c47b43a88cb42c7f5a0734f6f /gcc | |
| parent | 0fa137b8827c4209594a8a62105e89218f2df2a4 (diff) | |
| download | ppe42-gcc-7d5644394af70c228676a2687c8308b2e3667bbc.tar.gz ppe42-gcc-7d5644394af70c228676a2687c8308b2e3667bbc.zip | |
* Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
* tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
after propagating into an ADDR_EXPR.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87566 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/Makefile.in | 3 | ||||
| -rw-r--r-- | gcc/tree-ssa-dom.c | 9 |
3 files changed, 17 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b87ba75660c..f8a0d0461c4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2004-09-15 Steven Bosscher <stevenb@suse.de> + + * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h. + * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT + after propagating into an ADDR_EXPR. + 2004-09-15 Andrew Pinski <apinski@apple.com> PR rtl-opt/17427 diff --git a/gcc/Makefile.in b/gcc/Makefile.in index b3c83c8b5a2..4c60618be0c 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1636,7 +1636,8 @@ tree-ssa-propagate.o : tree-ssa-propagate.c $(TREE_FLOW_H) $(CONFIG_H) \ tree-ssa-dom.o : tree-ssa-dom.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \ $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h diagnostic.h \ errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \ - $(BASIC_BLOCK_H) domwalk.h real.h tree-pass.h $(FLAGS_H) langhooks.h + $(BASIC_BLOCK_H) domwalk.h real.h tree-pass.h $(FLAGS_H) langhooks.h \ + tree-ssa-propagate.h tree-ssa-threadupdate.o : tree-ssa-threadupdate.c $(TREE_FLOW_H) $(CONFIG_H) \ $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \ diagnostic.h errors.h function.h $(TM_H) coretypes.h $(TREE_DUMP_H) \ diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index 50b5cc07708..43809e1643a 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -40,6 +40,7 @@ Boston, MA 02111-1307, USA. */ #include "domwalk.h" #include "real.h" #include "tree-pass.h" +#include "tree-ssa-propagate.h" #include "langhooks.h" /* This file implements optimizations on the dominator tree. */ @@ -2646,6 +2647,7 @@ cprop_into_stmt (tree stmt, varray_type const_and_copies) bool may_have_exposed_new_symbols = false; use_operand_p op_p; ssa_op_iter iter; + tree rhs; FOR_EACH_SSA_USE_OPERAND (op_p, stmt, iter, SSA_OP_ALL_USES) { @@ -2654,6 +2656,13 @@ cprop_into_stmt (tree stmt, varray_type const_and_copies) |= cprop_operand (stmt, op_p, const_and_copies); } + if (may_have_exposed_new_symbols) + { + rhs = get_rhs (stmt); + if (rhs && TREE_CODE (rhs) == ADDR_EXPR) + recompute_tree_invarant_for_addr_expr (rhs); + } + return may_have_exposed_new_symbols; } |
