OSDN Git Service

PR target/43708
authormrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 7 May 2010 17:34:31 +0000 (17:34 +0000)
committermrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 7 May 2010 17:34:31 +0000 (17:34 +0000)
* config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
in addition to TREE_USED, to avoid "set but unused" warnings.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159164 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/ChangeLog
gcc/config/darwin-c.c

index 5467fa9..58a3276 100644 (file)
@@ -1,3 +1,9 @@
+2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
+
+       PR target/43708
+       * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
+       in addition to TREE_USED, to avoid "set but unused" warnings.
+
 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
 
        * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
index 862a1d1..bd7c987 100644 (file)
@@ -144,7 +144,10 @@ darwin_pragma_unused (cpp_reader *pfile ATTRIBUTE_UNUSED)
          tree local = lookup_name (decl);
          if (local && (TREE_CODE (local) == PARM_DECL
                        || TREE_CODE (local) == VAR_DECL))
-           TREE_USED (local) = 1;
+           {
+             TREE_USED (local) = 1;
+             DECL_READ_P (local) = 1;
+           }
          tok = pragma_lex (&x);
          if (tok != CPP_COMMA)
            break;