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| author | Kai Tietz <kai.tietz@onevision.com> | 2010-11-25 12:30:07 +0000 |
|---|---|---|
| committer | Kai Tietz <ktietz@gcc.gnu.org> | 2010-11-25 13:30:07 +0100 |
| commit | 9d602c5900c50a7cda00695c00e1945badc184cf (patch) | |
| tree | 53c658f06750cdef237c8cdb0035bc208fccf85b /gcc | |
| parent | c8230704c44609131a832307f2eee04df3206eb8 (diff) | |
| download | gcc-9d602c5900c50a7cda00695c00e1945badc184cf.zip gcc-9d602c5900c50a7cda00695c00e1945badc184cf.tar.gz gcc-9d602c5900c50a7cda00695c00e1945badc184cf.tar.bz2 | |
cgraphunit.c (process_function_and_variable_attributes): Mark dllexport-ed function/variables as needed.
2010-11-25 Kai Tietz <kai.tietz@onevision.com>
* cgraphunit.c (process_function_and_variable_attributes):
Mark dllexport-ed function/variables as needed.
* ipa.c (cgraph_externally_visible_p): Make dllexport-ed
as externally visible.
2010-11-25 Kai Tietz <kai.tietz@onevision.com>
* gcc.dg/dll-8.c: New.
From-SVN: r167144
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/cgraphunit.c | 18 | ||||
| -rw-r--r-- | gcc/ipa.c | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rwxr-xr-x | gcc/testsuite/gcc.dg/dll-8.c | 14 |
5 files changed, 48 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c01dd54..c5d0979 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2010-11-25 Kai Tietz <kai.tietz@onevision.com> + + * cgraphunit.c (process_function_and_variable_attributes): + Mark dllexport-ed function/variables as needed. + * ipa.c (cgraph_externally_visible_p): Make dllexport-ed + as externally visible. + 2010-11-25 Alexander Monakov <amonakov@ispras.ru> PR rtl-optimization/46585 diff --git a/gcc/cgraphunit.c b/gcc/cgraphunit.c index dd7c0fb..c7c5665 100644 --- a/gcc/cgraphunit.c +++ b/gcc/cgraphunit.c @@ -816,7 +816,14 @@ process_function_and_variable_attributes (struct cgraph_node *first, tree decl = node->decl; if (DECL_PRESERVE_P (decl)) cgraph_mark_needed_node (node); - if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (decl))) + if (TARGET_DLLIMPORT_DECL_ATTRIBUTES + && lookup_attribute ("dllexport", DECL_ATTRIBUTES (decl)) + && TREE_PUBLIC (node->decl)) + { + if (node->local.finalized) + cgraph_mark_needed_node (node); + } + else if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (decl))) { if (! TREE_PUBLIC (node->decl)) warning_at (DECL_SOURCE_LOCATION (node->decl), OPT_Wattributes, @@ -835,7 +842,14 @@ process_function_and_variable_attributes (struct cgraph_node *first, if (vnode->finalized) varpool_mark_needed_node (vnode); } - if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (decl))) + if (TARGET_DLLIMPORT_DECL_ATTRIBUTES + && lookup_attribute ("dllexport", DECL_ATTRIBUTES (decl)) + && TREE_PUBLIC (node->decl)) + { + if (vnode->finalized) + varpool_mark_needed_node (vnode); + } + else if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (decl))) { if (! TREE_PUBLIC (vnode->decl)) warning_at (DECL_SOURCE_LOCATION (vnode->decl), OPT_Wattributes, @@ -662,7 +662,9 @@ cgraph_externally_visible_p (struct cgraph_node *node, bool whole_program, bool return true; if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (node->decl))) return true; - + if (TARGET_DLLIMPORT_DECL_ATTRIBUTES + && lookup_attribute ("dllexport", DECL_ATTRIBUTES (node->decl))) + return true; /* When doing LTO or whole program, we can bring COMDAT functoins static. This improves code quality and we know we will duplicate them at most twice (in the case that we are not using plugin and link with object file @@ -724,6 +726,10 @@ varpool_externally_visible_p (struct varpool_node *vnode, bool aliased) if (lookup_attribute ("externally_visible", DECL_ATTRIBUTES (vnode->decl))) return true; + if (TARGET_DLLIMPORT_DECL_ATTRIBUTES + && lookup_attribute ("dllexport", + DECL_ATTRIBUTES (vnode->decl))) + return true; /* See if we have linker information about symbol not being used or if we need to make guess based on the declaration. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index bc51b57..4dc1eee 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2010-11-25 Kai Tietz <kai.tietz@onevision.com> + + * gcc.dg/dll-8.c: New. + 2010-11-25 Eric Botcazou <ebotcazou@adacore.com> * gnat.dg/loop_optimization7.adb: Remove dg-require-effective-target. diff --git a/gcc/testsuite/gcc.dg/dll-8.c b/gcc/testsuite/gcc.dg/dll-8.c new file mode 100755 index 0000000..98afba8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/dll-8.c @@ -0,0 +1,14 @@ +/* { dg-do compile { target i?86-pc-cygwin } } */ +/* { dg-do compile { target i?86-*-mingw* x86_64-*-mingw*} } */ +/* { dg-options "-O3 -fwhole-program" } */ +/* { dg-final { scan-assembler "foo1" } } */ +/* { dg-final { scan-assembler-not "foo2" } } */ +/* { dg-final { scan-assembler "doo1" } } */ +/* { dg-final { scan-assembler-not "doo2" } } */ + +__declspec(dllexport) int doo1 = 2; +int doo2 = 3; +__declspec(dllexport) int foo1 (void) { return 0; } +int foo2 (void) { return 1; } +int main() { return 0; } + |