diff options
| author | Diego Novillo <dnovillo@gcc.gnu.org> | 2005-02-14 14:46:08 -0500 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2005-02-14 14:46:08 -0500 |
| commit | 9a06c1cb104070709c61f3c6cf8b913cd25f63d0 (patch) | |
| tree | a3ef055a4893e717fddea59759b20cf8a3e9b9f0 /gcc | |
| parent | f769035f7cca45e5236f797864183e18f8c27b58 (diff) | |
| download | gcc-9a06c1cb104070709c61f3c6cf8b913cd25f63d0.zip gcc-9a06c1cb104070709c61f3c6cf8b913cd25f63d0.tar.gz gcc-9a06c1cb104070709c61f3c6cf8b913cd25f63d0.tar.bz2 | |
re PR tree-optimization/19853 (incorrect vops after exposing a new global variable)
PR tree-optimization/19853
* tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
testsuite/ChangeLog
PR tree-optimization/19853
* gcc.c-torture/compile/pr19853.c: New test.
From-SVN: r95040
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 14 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr19853.c | 19 | ||||
| -rw-r--r-- | gcc/tree-dfa.c | 3 |
4 files changed, 35 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 50289f2..e20036f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-02-14 Diego Novillo <dnovillo@redhat.com> + + PR tree-optimization/19853 + * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL. + 2005-02-14 Kazu Hirata <kazu@cs.umass.edu> * passes.c (rest_of_handle_loop_optimize): Remove calls to @@ -9,7 +14,7 @@ swapping commutative operands. 2005-02-14 Sebastian Pop <pop@cri.ensmp.fr> - + * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use standard_iv_increment_position for computing the bsi position for create_iv. @@ -19,9 +24,10 @@ 2005-02-13 Zdenek Dvorak <dvorakz@suse.cz> PR target/17428 - * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending life range of hard - registers. - * value-prof.c (insn_prefetch_values_to_profile): Only scan normal insns. + * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending + life range of hard registers. + * value-prof.c (insn_prefetch_values_to_profile): Only + scan normal insns. * value-prof.c (rtl_find_values_to_profile): Do not look for values to profile in libcalls. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8384855..308cbe9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-02-14 Diego Novillo <dnovillo@redhat.com> + + PR tree-optimization/19853 + * gcc.c-torture/compile/pr19853.c: New test. + 2005-02-14 Nathan Sidwell <nathan@codesourcery.com> PR c++/19608 diff --git a/gcc/testsuite/gcc.c-torture/compile/pr19853.c b/gcc/testsuite/gcc.c-torture/compile/pr19853.c new file mode 100644 index 0000000..f7fdf49 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr19853.c @@ -0,0 +1,19 @@ +struct test { int *x; } global_test; +int global_int; + +int flag; + +void test (char *dummy) +{ + static const struct test const_test = { &global_int }; + struct test local_test; + + int i; + for (i = 0; i < 1; i++) + *dummy = 0; + if (flag) + __builtin_memset (dummy, 0, 16); + + local_test = const_test; + global_test = local_test; +} diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index d7ccd69..0d07ded 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -901,8 +901,7 @@ add_referenced_var (tree var, struct walk_state *walk_state) /* Scan DECL_INITIAL for pointer variables as they may contain address arithmetic referencing the address of other variables. */ - if (DECL_INITIAL (var) - && POINTER_TYPE_P (TREE_TYPE (var))) + if (DECL_INITIAL (var)) walk_tree (&DECL_INITIAL (var), find_vars_r, walk_state, 0); } } |