diff --git a/jdk/src/java.base/macosx/native/libjli/java_md_macosx.c b/jdk/src/java.base/macosx/native/libjli/java_md_macosx.c
index ab20da49a25..fcc295dc877 100644
--- a/jdk/src/java.base/macosx/native/libjli/java_md_macosx.c
+++ b/jdk/src/java.base/macosx/native/libjli/java_md_macosx.c
@@ -290,8 +290,6 @@ static int (*main_fptr)(int argc, char **argv) = NULL;
  */
 static void *apple_main (void *arg)
 {
-    objc_registerThreadWithCollector();
-
     if (main_fptr == NULL) {
 #ifdef STATIC_BUILD
         extern int main(int argc, char **argv);
@@ -772,7 +770,7 @@ JLI_GetJavaVMInstance()
 void
 RegisterThread()
 {
-    objc_registerThreadWithCollector();
+    // stubbed out for windows and *nixes.
 }
 
 static void
diff --git a/jdk/src/java.desktop/macosx/native/libosxapp/NSApplicationAWT.m b/jdk/src/java.desktop/macosx/native/libosxapp/NSApplicationAWT.m
index 2edec65f318..c3dcd20a092 100644
--- a/jdk/src/java.desktop/macosx/native/libosxapp/NSApplicationAWT.m
+++ b/jdk/src/java.desktop/macosx/native/libosxapp/NSApplicationAWT.m
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, 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
@@ -332,7 +332,15 @@ AWT_ASSERT_APPKIT_THREAD;
 
 #define DRAGMASK (NSMouseMovedMask | NSLeftMouseDraggedMask | NSRightMouseDownMask | NSRightMouseDraggedMask | NSLeftMouseUpMask | NSRightMouseUpMask | NSFlagsChangedMask | NSKeyDownMask)
 
-- (NSEvent *)nextEventMatchingMask:(NSUInteger)mask untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)deqFlag {
+#if defined(MAC_OS_X_VERSION_10_12) && \
+   MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_12 && \
+   __LP64__
+   // 10.12 changed `mask` to NSEventMask (unsigned long long) for x86_64 builds.
+- (NSEvent *)nextEventMatchingMask:(NSEventMask)mask
+#else
+- (NSEvent *)nextEventMatchingMask:(NSUInteger)mask
+#endif
+untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)deqFlag {
     if (mask == DRAGMASK && [((NSString *)kCFRunLoopDefaultMode) isEqual:mode]) {
         postEventDuringEventSynthesis = YES;
     }
@@ -449,4 +457,3 @@ AWT_ASSERT_APPKIT_THREAD;
         }
     }
 }
-
diff --git a/jdk/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m b/jdk/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m
index 1eda7334665..ea8a689c768 100644
--- a/jdk/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m
+++ b/jdk/src/java.desktop/macosx/native/libsplashscreen/splashscreen_sys.m
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2017, 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
@@ -394,8 +394,6 @@ SplashEventLoop(Splash * splash) {
 
 void *
 SplashScreenThread(void *param) {
-    objc_registerThreadWithCollector();
-
     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
     Splash *splash = (Splash *) param;
 
diff --git a/jdk/src/java.desktop/share/native/libjavajpeg/jdhuff.c b/jdk/src/java.desktop/share/native/libjavajpeg/jdhuff.c
index d554bb3d5cd..1d0f8d56785 100644
--- a/jdk/src/java.desktop/share/native/libjavajpeg/jdhuff.c
+++ b/jdk/src/java.desktop/share/native/libjavajpeg/jdhuff.c
@@ -455,10 +455,15 @@ static const int extend_test[16] =   /* entry n is 2**(n-1) */
     0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000 };
 
 static const int extend_offset[16] = /* entry n is (-1 << n) + 1 */
-  { 0, ((-1)<<1) + 1, ((-1)<<2) + 1, ((-1)<<3) + 1, ((-1)<<4) + 1,
-    ((-1)<<5) + 1, ((-1)<<6) + 1, ((-1)<<7) + 1, ((-1)<<8) + 1,
-    ((-1)<<9) + 1, ((-1)<<10) + 1, ((-1)<<11) + 1, ((-1)<<12) + 1,
-    ((-1)<<13) + 1, ((-1)<<14) + 1, ((-1)<<15) + 1 };
+  { 0,
+    (int)(((unsigned)(~0)<<1)  + 1), (int)(((unsigned)(~0)<<2)  + 1),
+    (int)(((unsigned)(~0)<<3)  + 1), (int)(((unsigned)(~0)<<4)  + 1),
+    (int)(((unsigned)(~0)<<5)  + 1), (int)(((unsigned)(~0)<<6)  + 1),
+    (int)(((unsigned)(~0)<<7)  + 1), (int)(((unsigned)(~0)<<8)  + 1),
+    (int)(((unsigned)(~0)<<9)  + 1), (int)(((unsigned)(~0)<<10) + 1),
+    (int)(((unsigned)(~0)<<11) + 1), (int)(((unsigned)(~0)<<12) + 1),
+    (int)(((unsigned)(~0)<<13) + 1), (int)(((unsigned)(~0)<<14) + 1),
+    (int)(((unsigned)(~0)<<15) + 1) };
 
 #endif /* AVOID_TABLES */
 
diff --git a/jdk/src/java.desktop/share/native/libjavajpeg/jdphuff.c b/jdk/src/java.desktop/share/native/libjavajpeg/jdphuff.c
index 8301209681e..ba589d75433 100644
--- a/jdk/src/java.desktop/share/native/libjavajpeg/jdphuff.c
+++ b/jdk/src/java.desktop/share/native/libjavajpeg/jdphuff.c
@@ -215,10 +215,15 @@ static const int extend_test[16] =   /* entry n is 2**(n-1) */
     0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000 };
 
 static const int extend_offset[16] = /* entry n is (-1 << n) + 1 */
-  { 0, ((-1)<<1) + 1, ((-1)<<2) + 1, ((-1)<<3) + 1, ((-1)<<4) + 1,
-    ((-1)<<5) + 1, ((-1)<<6) + 1, ((-1)<<7) + 1, ((-1)<<8) + 1,
-    ((-1)<<9) + 1, ((-1)<<10) + 1, ((-1)<<11) + 1, ((-1)<<12) + 1,
-    ((-1)<<13) + 1, ((-1)<<14) + 1, ((-1)<<15) + 1 };
+  { 0,
+    (int)(((unsigned)(~0)<<1)  + 1), (int)(((unsigned)(~0)<<2)  + 1),
+    (int)(((unsigned)(~0)<<3)  + 1), (int)(((unsigned)(~0)<<4)  + 1),
+    (int)(((unsigned)(~0)<<5)  + 1), (int)(((unsigned)(~0)<<6)  + 1),
+    (int)(((unsigned)(~0)<<7)  + 1), (int)(((unsigned)(~0)<<8)  + 1),
+    (int)(((unsigned)(~0)<<9)  + 1), (int)(((unsigned)(~0)<<10) + 1),
+    (int)(((unsigned)(~0)<<11) + 1), (int)(((unsigned)(~0)<<12) + 1),
+    (int)(((unsigned)(~0)<<13) + 1), (int)(((unsigned)(~0)<<14) + 1),
+    (int)(((unsigned)(~0)<<15) + 1) };
 
 #endif /* AVOID_TABLES */