diff --git openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp

--- openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp

+++ openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahUtils.cpp

@@ -150,5 +150,5 @@

     return value;

   }

-  return (size_t)1 << (log2_intptr(value) + 1);

+  return (size_t)1 << (log2_intptr((uintptr_t) value) + 1);

 }

diff --git openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahNumberSeq.cpp openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahNumberSeq.cpp

--- openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahNumberSeq.cpp

+++ openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahNumberSeq.cpp

@@ -135,7 +135,7 @@

 void BinaryMagnitudeSeq::add(size_t val) {

   Atomic::add(val, &_sum);

-  int mag = log2_intptr(val) + 1;

+  int mag = log2_intptr((uintptr_t)val) + 1;

   // Defensively saturate for product bits:

   if (mag < 0) {

diff --git openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp

--- openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp

+++ openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.cpp

@@ -659,7 +659,7 @@

 }

 size_t ShenandoahHeap::soft_max_capacity() const {

-  size_t v = OrderAccess::load_acquire((volatile size_t*)&_soft_max_size);

+  size_t v = OrderAccess::load_acquire((volatile jlong*)&_soft_max_size);

   assert(min_capacity() <= v && v <= max_capacity(),

          err_msg("Should be in bounds: " SIZE_FORMAT " <= " SIZE_FORMAT " <= " SIZE_FORMAT,

                  min_capacity(), v, max_capacity()));

diff --git openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp

--- openjdk.orig/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp

+++ openjdk/hotspot/src/share/vm/gc_implementation/shenandoah/shenandoahHeap.hpp

@@ -155,7 +155,7 @@

 private:

            size_t _initial_size;

            size_t _minimum_size;

-  volatile size_t _soft_max_size;

+  volatile jlong  _soft_max_size;

   shenandoah_padding(0);

   volatile jlong  _used;

   volatile size_t _committed;