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-rw-r--r--gcc/ChangeLog10
-rw-r--r--gcc/ipa-icf-gimple.c3
-rw-r--r--gcc/ipa-icf.c35
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/ipa/pr63595.C2
-rw-r--r--gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c2
6 files changed, 55 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4c45c2e7264..5d792b1dc2b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2015-03-01 Martin Liska <mliska@suse.cz>
+
+ Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-icf-gimple.c (func_checker::compare_variable_decl):
+ Validate variable alignment.
+ * ipa-icf.c (sem_function::equals_private): Be more precise
+ about non-common function attributes.
+ (sem_variable::equals): Likewise.
+
2015-02-28 Jan Hubicka <hubicka@ucw.cz>
PR ipa/65237
diff --git a/gcc/ipa-icf-gimple.c b/gcc/ipa-icf-gimple.c
index 53d2c38bc9f..cbeb7952ca1 100644
--- a/gcc/ipa-icf-gimple.c
+++ b/gcc/ipa-icf-gimple.c
@@ -575,6 +575,9 @@ func_checker::compare_variable_decl (tree t1, tree t2)
if (t1 == t2)
return true;
+ if (DECL_ALIGN (t1) != DECL_ALIGN (t2))
+ return return_false_with_msg ("alignments are different");
+
if (DECL_HARD_REGISTER (t1) != DECL_HARD_REGISTER (t2))
return return_false_with_msg ("DECL_HARD_REGISTER are different");
diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c
index d66d4c8c07b..6db5c084ad5 100644
--- a/gcc/ipa-icf.c
+++ b/gcc/ipa-icf.c
@@ -619,6 +619,30 @@ sem_function::equals_private (sem_item *item,
if (!compare_phi_node (bb_sorted[i]->bb, m_compared_func->bb_sorted[i]->bb))
return return_false_with_msg ("PHI node comparison returns false");
+ /* Compare special function DECL attributes. */
+ if (DECL_FUNCTION_PERSONALITY (decl) != DECL_FUNCTION_PERSONALITY (item->decl))
+ return return_false_with_msg ("function personalities are different");
+
+ if (DECL_DISREGARD_INLINE_LIMITS (decl) != DECL_DISREGARD_INLINE_LIMITS (item->decl))
+ return return_false_with_msg ("DECL_DISREGARD_INLINE_LIMITS are different");
+
+ if (DECL_DECLARED_INLINE_P (decl) != DECL_DECLARED_INLINE_P (item->decl))
+ return return_false_with_msg ("inline attributes are different");
+
+ if (DECL_IS_OPERATOR_NEW (decl) != DECL_IS_OPERATOR_NEW (item->decl))
+ return return_false_with_msg ("operator new flags are different");
+
+ if (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (decl)
+ != DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (item->decl))
+ return return_false_with_msg ("intrument function entry exit "
+ "attributes are different");
+
+ if (DECL_NO_LIMIT_STACK (decl) != DECL_NO_LIMIT_STACK (item->decl))
+ return return_false_with_msg ("no stack limit attributes are different");
+
+ if (flags_from_decl_or_type (decl) != flags_from_decl_or_type (item->decl))
+ return return_false_with_msg ("decl_or_type flags are different");
+
return result;
}
@@ -1298,6 +1322,17 @@ sem_variable::equals (sem_item *item,
if (!ctor || !v->ctor)
return return_false_with_msg ("ctor is missing for semantic variable");
+ if (DECL_IN_CONSTANT_POOL (decl)
+ && (DECL_IN_CONSTANT_POOL (item->decl)
+ || item->node->address_matters_p ()))
+ return return_false_with_msg ("constant pool");
+
+ if (DECL_IN_TEXT_SECTION (decl) != DECL_IN_TEXT_SECTION (item->decl))
+ return return_false_with_msg ("text section");
+
+ if (DECL_TLS_MODEL (decl) || DECL_TLS_MODEL (item->decl))
+ return return_false_with_msg ("TLS model");
+
return sem_variable::equals (ctor, v->ctor);
}
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bf0978e957f..0ec2c0cb9b8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-01 Martin Liska <mliska@suse.cz>
+
+ * gcc.target/i386/stackalign/longlong-2.c: Omit ICF.
+ * g++.dg/ipa/pr63595.C: Update expected results.
+
2015-02-28 Jan Hubicka <hubicka@ucw.cz>
PR ipa/65236
diff --git a/gcc/testsuite/g++.dg/ipa/pr63595.C b/gcc/testsuite/g++.dg/ipa/pr63595.C
index 30e930345b5..48ba4193b71 100644
--- a/gcc/testsuite/g++.dg/ipa/pr63595.C
+++ b/gcc/testsuite/g++.dg/ipa/pr63595.C
@@ -76,5 +76,5 @@ int main()
return 0;
}
-/* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf" } } */
+/* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */
/* { dg-final { cleanup-ipa-dump "icf" } } */
diff --git a/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c b/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c
index 6ea83f98fb5..d52b9d15f64 100644
--- a/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c
+++ b/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c
@@ -1,6 +1,6 @@
/* { dg-do compile { target { ! *-*-darwin* } } } */
/* { dg-require-effective-target ia32 } */
-/* { dg-options "-O2 -mpreferred-stack-boundary=2" } */
+/* { dg-options "-O2 -mpreferred-stack-boundary=2 -fno-ipa-icf" } */
/* { dg-final { scan-assembler-times "and\[lq\]?\[^\\n\]*-8,\[^\\n\]*sp" 2 } } */
/* { dg-final { scan-assembler-times "and\[lq\]?\[^\\n\]*-16,\[^\\n\]*sp" 2 } } */