+2012-12-12 Steven Bosscher <steven@gcc.gnu.org>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52640
+ * varasm.c (pending_assemble_externals_set): New pointer set.
+ (process_pending_assemble_externals): Destroy the pointer set.
+ (assemble_external): See if decl is in pending_assemble_externals_set,
+ and add it to pending_assemble_externals if necessary.
+ (init_varasm_once): Allocate pending_assemble_externals_set.
+
2012-12-12 Jakub Jelinek <jakub@redhat.com>
PR fortran/55633
--- /dev/null
+/* Inspired by the test case for PR middle-end/52640. */
+
+typedef struct
+{
+ char *value;
+} REFERENCE;
+
+/* Add a few "extern int Xxxxxx ();" declarations. */
+#undef DEF
+#undef LIM1
+#undef LIM2
+#undef LIM3
+#undef LIM4
+#undef LIM5
+#undef LIM6
+#define DEF(x) extern int x ()
+#define LIM1(x) DEF(x##0); DEF(x##1); DEF(x##2); DEF(x##3); DEF(x##4); \
+ DEF(x##5); DEF(x##6); DEF(x##7); DEF(x##8); DEF(x##9);
+#define LIM2(x) LIM1(x##0) LIM1(x##1) LIM1(x##2) LIM1(x##3) LIM1(x##4) \
+ LIM1(x##5) LIM1(x##6) LIM1(x##7) LIM1(x##8) LIM1(x##9)
+#define LIM3(x) LIM2(x##0) LIM2(x##1) LIM2(x##2) LIM2(x##3) LIM2(x##4) \
+ LIM2(x##5) LIM2(x##6) LIM2(x##7) LIM2(x##8) LIM2(x##9)
+#define LIM4(x) LIM3(x##0) LIM3(x##1) LIM3(x##2) LIM3(x##3) LIM3(x##4) \
+ LIM3(x##5) LIM3(x##6) LIM3(x##7) LIM3(x##8) LIM3(x##9)
+#define LIM5(x) LIM4(x##0) LIM4(x##1) LIM4(x##2) LIM4(x##3) LIM4(x##4) \
+ LIM4(x##5) LIM4(x##6) LIM4(x##7) LIM4(x##8) LIM4(x##9)
+#define LIM6(x) LIM5(x##0) LIM5(x##1) LIM5(x##2) LIM5(x##3) LIM5(x##4) \
+ LIM5(x##5) LIM5(x##6) LIM5(x##7) LIM5(x##8) LIM5(x##9)
+LIM5 (X);
+
+/* Add references to them, or GCC will simply ignore the extern decls. */
+#undef DEF
+#undef LIM1
+#undef LIM2
+#undef LIM3
+#undef LIM4
+#undef LIM5
+#undef LIM6
+#define DEF(x) (char *) x
+#define LIM1(x) DEF(x##0), DEF(x##1), DEF(x##2), DEF(x##3), DEF(x##4), \
+ DEF(x##5), DEF(x##6), DEF(x##7), DEF(x##8), DEF(x##9),
+#define LIM2(x) LIM1(x##0) LIM1(x##1) LIM1(x##2) LIM1(x##3) LIM1(x##4) \
+ LIM1(x##5) LIM1(x##6) LIM1(x##7) LIM1(x##8) LIM1(x##9)
+#define LIM3(x) LIM2(x##0) LIM2(x##1) LIM2(x##2) LIM2(x##3) LIM2(x##4) \
+ LIM2(x##5) LIM2(x##6) LIM2(x##7) LIM2(x##8) LIM2(x##9)
+#define LIM4(x) LIM3(x##0) LIM3(x##1) LIM3(x##2) LIM3(x##3) LIM3(x##4) \
+ LIM3(x##5) LIM3(x##6) LIM3(x##7) LIM3(x##8) LIM3(x##9)
+#define LIM5(x) LIM4(x##0) LIM4(x##1) LIM4(x##2) LIM4(x##3) LIM4(x##4) \
+ LIM4(x##5) LIM4(x##6) LIM4(x##7) LIM4(x##8) LIM4(x##9)
+#define LIM6(x) LIM5(x##0) LIM5(x##1) LIM5(x##2) LIM5(x##3) LIM5(x##4) \
+ LIM5(x##5) LIM5(x##6) LIM5(x##7) LIM5(x##8) LIM5(x##9)
+REFERENCE references[] = {
+ LIM5 (X)
+ 0
+};
static GTY(()) tree pending_assemble_externals;
#ifdef ASM_OUTPUT_EXTERNAL
+/* Avoid O(external_decls**2) lookups in the pending_assemble_externals
+ TREE_LIST in assemble_external. */
+static struct pointer_set_t *pending_assemble_externals_set;
+
/* True if DECL is a function decl for which no out-of-line copy exists.
It is assumed that DECL's assembler name has been set. */
assemble_external_real (TREE_VALUE (list));
pending_assemble_externals = 0;
+ pointer_set_destroy (pending_assemble_externals_set);
#endif
}
weak_decls = tree_cons (NULL, decl, weak_decls);
#ifdef ASM_OUTPUT_EXTERNAL
- if (value_member (decl, pending_assemble_externals) == NULL_TREE)
+ if (! pointer_set_insert (pending_assemble_externals_set, decl))
pending_assemble_externals = tree_cons (NULL, decl,
pending_assemble_externals);
#endif
if (readonly_data_section == NULL)
readonly_data_section = text_section;
+
+#ifdef ASM_OUTPUT_EXTERNAL
+ pending_assemble_externals_set = pointer_set_create ();
+#endif
}
enum tls_model