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| author | Jan Hubicka <jh@suse.cz> | 2013-06-05 17:29:12 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2013-06-05 15:29:12 +0000 |
| commit | 0378bddb9a01c78e75c95d4978e3e8eb04ab6d4b (patch) | |
| tree | 0bf35bb18127d885aa49e476851292a5877cba99 /gcc | |
| parent | 8f8a20576a873e0ce7be126ce8008c347dd49a4a (diff) | |
| download | gcc-0378bddb9a01c78e75c95d4978e3e8eb04ab6d4b.zip gcc-0378bddb9a01c78e75c95d4978e3e8eb04ab6d4b.tar.gz gcc-0378bddb9a01c78e75c95d4978e3e8eb04ab6d4b.tar.bz2 | |
varasm.c (mark_decl_referenced): Revert the removal until targets are fixed.
* varasm.c (mark_decl_referenced): Revert the removal until targets
are fixed.
From-SVN: r199699
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/varasm.c | 27 |
2 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6082b51..1eba464 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-06-05 Jan Hubicka <jh@suse.cz> + + * varasm.c (mark_decl_referenced): Revert the removal until targets + are fixed. + 2013-06-05 David Edelsohn <dje.gcc@gmail.com> * config/rs6000/rs6000.c (print_operand, 'z'): Use DECL_PRESERVE_P @@ -31,7 +36,6 @@ (function_and_variable_visibility): Clear forced_by_abi as needed. * trans-mem.c (ipa_tm_mark_forced_by_abi_node): New functoin. (ipa_tm_create_version_alias, ipa_tm_create_version): Update. - * varasm.c (mark_decl_referenced): Remove. * symtab.c (dump_symtab_base): Dump forced_by_abi. * varpool.c (decide_is_variable_needed): Remove. diff --git a/gcc/varasm.c b/gcc/varasm.c index 4c4178f..c088ebf 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -2244,6 +2244,33 @@ mark_referenced (tree id) TREE_SYMBOL_REFERENCED (id) = 1; } +/* Set the symbol_referenced flag for DECL and notify callgraph. */ +void +mark_decl_referenced (tree decl) +{ + if (TREE_CODE (decl) == FUNCTION_DECL) + { + /* Extern inline functions don't become needed when referenced. + If we know a method will be emitted in other TU and no new + functions can be marked reachable, just use the external + definition. */ + struct cgraph_node *node = cgraph_get_create_node (decl); + if (!DECL_EXTERNAL (decl) + && !node->symbol.definition) + cgraph_mark_force_output_node (node); + } + else if (TREE_CODE (decl) == VAR_DECL) + { + struct varpool_node *node = varpool_node_for_decl (decl); + /* C++ frontend use mark_decl_references to force COMDAT variables + to be output that might appear dead otherwise. */ + node->symbol.force_output = true; + } + /* else do nothing - we can get various sorts of CST nodes here, + which do not need to be marked. */ +} + + /* Follow the IDENTIFIER_TRANSPARENT_ALIAS chain starting at *ALIAS until we find an identifier that is not itself a transparent alias. Modify the alias passed to it by reference (and all aliases on the |