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-rw-r--r--gcc/ChangeLog3
-rw-r--r--gcc/config/s390/s390.c19
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b7b8523..0ae0910 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
2008-10-30 Jakub Jelinek <jakub@redhat.com>
+ * config/s390/s390.c (s390_mark_symbol_ref_as_used): New function.
+ (s390_output_pool_entry): Call it through for_each_rtx.
+
PR middle-end/37730
* expr.c (store_constructor): For vectors, if target is a MEM, use
target's MEM_ALIAS_SET instead of elttype alias set.
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index 45dae8b..e64b58c 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -6664,6 +6664,24 @@ s390_chunkify_cancel (struct constant_pool *pool_list)
}
}
+/* Helper rtx-iteration-function for s390_output_pool_entry. Marks
+ SYMBOL_REFs as referenced through use of assemble_external. */
+
+static int
+s390_mark_symbol_ref_as_used (rtx *x, void *dummy ATTRIBUTE_UNUSED)
+{
+ /* If we have a used symbol, we may have to emit assembly
+ annotations corresponding to whether the symbol is external, weak
+ or has non-default visibility. */
+ if (GET_CODE (*x) == SYMBOL_REF)
+ {
+ tree t = SYMBOL_REF_DECL (*x);
+ if (t)
+ assemble_external (t);
+ return -1;
+ }
+ return 0;
+}
/* Output the constant pool entry EXP in mode MODE with alignment ALIGN. */
@@ -6684,6 +6702,7 @@ s390_output_pool_entry (rtx exp, enum machine_mode mode, unsigned int align)
case MODE_INT:
assemble_integer (exp, GET_MODE_SIZE (mode), align, 1);
+ for_each_rtx (&exp, s390_mark_symbol_ref_as_used, NULL);
break;
default: