Merge

.hgtags

@@ -418,6 +418,10 @@ d45454002494d147c0761e6b37d8a73064f3cf92 hs25-b68
 35038da7bb9ddd367a0a6bf926dfb281aee1d554 jdk8-b127
 874c0b4a946c362bbf20d37c2a564b39093152e6 jdk8-b128
 cb39165c4a65bbff8db356df411e762f9e5423b8 jdk8-b129
+1dbaf664a611e5d9cab6d1be42537b67d0d05f94 jdk8-b130
+b5e7ebfe185cb4c2eeb8a919025fc6a26be2fcef jdk8-b131
+9f9179e8f0cfe74c08f3716cf3c38e21e1de4c4a hs25-b70
+0c94c41dcd70e9a9b4d96e31275afd5a73daa72d jdk8-b132
 4a35ef38e2a7bc64df20c7700ba69b37e3ddb8b5 jdk8u5-b01
 e5561d89fe8bfc79cd6c8fcc36d270cc6a49ec6e jdk8u5-b02
 2f9eb9fcab6c42c8c84ddb44170ea33235116d84 jdk8u5-b03
@@ -429,3 +433,5 @@ b90de55aca30678ab0fec05d6a61bb3468b783d2 jdk8u5-b05
 21c1dfbed277791071947eed1c93806ccf48a7d8 jdk8u5-b08
 6af9ce1c56a6545ec6c992a5f61b2eec924be040 jdk8u5-b09
 629267e4f0b5155608edcd71922983be98786bd7 jdk8u5-b10
+17a75e692af397532e2b296b24f6b9b6c239c633 jdk8u5-b11
+9b289963cb9a14636fbe8faaa2dd6d3678464a7b jdk8u5-b12

make/hotspot_version

@@ -35,7 +35,7 @@ HOTSPOT_VM_COPYRIGHT=Copyright 2014
 
 HS_MAJOR_VER=25
 HS_MINOR_VER=5
-HS_BUILD_NUMBER=01
+HS_BUILD_NUMBER=02
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8

src/share/vm/ci/ciMethod.cpp

@@ -724,6 +724,11 @@ ciMethod* ciMethod::find_monomorphic_target(ciInstanceKlass* caller,
 
   VM_ENTRY_MARK;
 
+  // Disable CHA for default methods for now
+  if (root_m->get_Method()->is_default_method()) {
+    return NULL;
+  }
+
   methodHandle target;
   {
     MutexLocker locker(Compile_lock);

src/share/vm/opto/output.cpp

@@ -344,6 +344,11 @@ void Compile::shorten_branches(uint* blk_starts, int& code_size, int& reloc_size
   uint*      jmp_offset = NEW_RESOURCE_ARRAY(uint,nblocks);
   uint*      jmp_size   = NEW_RESOURCE_ARRAY(uint,nblocks);
   int*       jmp_nidx   = NEW_RESOURCE_ARRAY(int ,nblocks);
+
+  // Collect worst case block paddings
+  int* block_worst_case_pad = NEW_RESOURCE_ARRAY(int, nblocks);
+  memset(block_worst_case_pad, 0, nblocks * sizeof(int));
+
   DEBUG_ONLY( uint *jmp_target = NEW_RESOURCE_ARRAY(uint,nblocks); )
   DEBUG_ONLY( uint *jmp_rule = NEW_RESOURCE_ARRAY(uint,nblocks); )
 
@@ -460,6 +465,7 @@ void Compile::shorten_branches(uint* blk_starts, int& code_size, int& reloc_size
           last_avoid_back_to_back_adr += max_loop_pad;
         }
         blk_size += max_loop_pad;
+        block_worst_case_pad[i + 1] = max_loop_pad;
       }
     }
 
@@ -499,9 +505,16 @@ void Compile::shorten_branches(uint* blk_starts, int& code_size, int& reloc_size
         if (bnum > i) { // adjust following block's offset
           offset -= adjust_block_start;
         }
+
+        // This block can be a loop header, account for the padding
+        // in the previous block.
+        int block_padding = block_worst_case_pad[i];
+        assert(i == 0 || block_padding == 0 || br_offs >= block_padding, "Should have at least a padding on top");
         // In the following code a nop could be inserted before
         // the branch which will increase the backward distance.
-        bool needs_padding = ((uint)br_offs == last_may_be_short_branch_adr);
+        bool needs_padding = ((uint)(br_offs - block_padding) == last_may_be_short_branch_adr);
+        assert(!needs_padding || jmp_offset[i] == 0, "padding only branches at the beginning of block");
+
         if (needs_padding && offset <= 0)
           offset -= nop_size;
 

test/compiler/inlining/InlineDefaultMethod1.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8036100
+ * @summary Default method returns true for a while, and then returns false
+ * @run main/othervm -Xcomp -XX:CompileOnly=InlineDefaultMethod1::test
+ *                   -XX:CompileOnly=I1::m -XX:CompileOnly=I2::m
+ *                   InlineDefaultMethod1
+ */
+interface I1 {
+    default public int m() { return 0; }
+}
+
+interface I2 extends I1 {
+    default public int m() { return 1; }
+}
+
+abstract class A implements I1 {
+}
+
+class B extends A implements I2 {
+}
+
+public class InlineDefaultMethod1 {
+    public static void test(A obj) {
+        int id = obj.m();
+        if (id != 1) {
+            throw new AssertionError("Called wrong method: 1 != "+id);
+        }
+    }
+
+    public static void main(String[] args) throws InterruptedException {
+        test(new B());
+        System.out.println("TEST PASSED");
+    }
+}