* decl.c (record_builtin_java_type): Use canonicalized integer

types.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144664 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 31a626b..7206639 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2009-03-06  Alexandre Oliva  <aoliva@redhat.com>
+
+       * decl.c (record_builtin_java_type): Use canonicalized integer
+       types.
+
 2009-03-04  Jason Merrill  <jason@redhat.com>
 
        PR c++/38908

diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index ddd133a..4ed3425 100644 (file)
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -3168,10 +3168,18 @@ record_builtin_java_type (const char* name, int size)
 {
   tree type, decl;
   if (size > 0)
-    type = make_signed_type (size);
+    type = build_nonstandard_integer_type (size, 0);
   else if (size > -32)
-    { /* "__java_char" or ""__java_boolean".  */
-      type = make_unsigned_type (-size);
+    {
+      tree stype;
+      /* "__java_char" or ""__java_boolean".  */
+      type = build_nonstandard_integer_type (-size, 1);
+      /* Get the signed type cached and attached to the unsigned type,
+        so it doesn't get garbage-collected at "random" times,
+        causing potential codegen differences out of different UIDs
+        and different alias set numbers.  */
+      stype = build_nonstandard_integer_type (-size, 0);
+      TREE_CHAIN (type) = stype;
       /*if (size == -1)        TREE_SET_CODE (type, BOOLEAN_TYPE);*/
     }
   else