63 lines
2.5 KiB
Diff
63 lines
2.5 KiB
Diff
diff --git a/gcc/cgraph.c b/gcc/cgraph.c
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index fcdc02e..db04afd 100644
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--- a/gcc/cgraph.c
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+++ b/gcc/cgraph.c
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@@ -1169,7 +1169,7 @@ cgraph_function_body_availability (struct cgraph_node *node)
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inline and offline) having same side effect characteristics as
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good optimization is what this optimization is about. */
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- else if (!(*targetm.binds_local_p) (node->decl)
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+ else if ((DECL_WEAK (node->decl) || !(*targetm.binds_local_p) (node->decl))
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&& !DECL_COMDAT (node->decl) && !DECL_EXTERNAL (node->decl))
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avail = AVAIL_OVERWRITABLE;
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else avail = AVAIL_AVAILABLE;
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@@ -1190,7 +1190,8 @@ cgraph_variable_initializer_availability (struct cgraph_varpool_node *node)
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/* If the variable can be overwritten, return OVERWRITABLE. Takes
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care of at least two notable extensions - the COMDAT variables
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used to share template instantiations in C++. */
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- if (!(*targetm.binds_local_p) (node->decl) && !DECL_COMDAT (node->decl))
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+ if ((DECL_WEAK (node->decl) || !(*targetm.binds_local_p) (node->decl))
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+ && !DECL_COMDAT (node->decl))
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return AVAIL_OVERWRITABLE;
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return AVAIL_AVAILABLE;
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}
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diff --git a/gcc/ipa-inline.c b/gcc/ipa-inline.c
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index 84ef830..73d9fcc 100644
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--- a/gcc/ipa-inline.c
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+++ b/gcc/ipa-inline.c
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@@ -300,7 +300,7 @@ cgraph_default_inline_p (struct cgraph_node *n, const char **reason)
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if (n->inline_decl)
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decl = n->inline_decl;
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- if (!DECL_INLINE (decl))
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+ if (!DECL_INLINE (decl) || DECL_WEAK (decl))
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{
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if (reason)
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*reason = N_("function not inlinable");
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diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
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index fdaff50..1bfd577 100644
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--- a/gcc/ipa-pure-const.c
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+++ b/gcc/ipa-pure-const.c
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@@ -512,7 +512,7 @@ analyze_function (struct cgraph_node *fn)
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/* If this function does not return normally or does not bind local,
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do not touch this unless it has been marked as const or pure by the
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front end. */
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- if (TREE_THIS_VOLATILE (decl)
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+ if (TREE_THIS_VOLATILE (decl) || DECL_WEAK (decl)
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|| !targetm.binds_local_p (decl))
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{
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l->pure_const_state = IPA_NEITHER;
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diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c
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index 1c0b79b..5a3ba7e 100644
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--- a/gcc/tree-inline.c
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+++ b/gcc/tree-inline.c
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@@ -1522,6 +1522,8 @@ inlinable_function_p (tree fn)
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else if (!DECL_INLINE (fn) && !flag_unit_at_a_time)
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inlinable = false;
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+ else if (DECL_WEAK (fn))
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+ inlinable = false;
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else if (inline_forbidden_p (fn))
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{
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/* See if we should warn about uninlinable functions. Previously,
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