--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/desktop/firefox/patches/firefox-53-sparc-gfx-atomicops.patch	Mon Sep 05 05:00:46 2016 -0700
@@ -0,0 +1,43 @@
+Fixes endian issue in GFX on sparc and fixes atomic operations.
+Will not send upstream.
+
+diff --git a/js/src/jit/AtomicOperations.h b/js/src/jit/AtomicOperations.h
+--- a/js/src/jit/AtomicOperations.h
++++ b/js/src/jit/AtomicOperations.h
+@@ -297,17 +297,17 @@ AtomicOperations::isLockfree(int32_t siz
+ #if defined(JS_CODEGEN_ARM)
+ # include "jit/arm/AtomicOperations-arm.h"
+ #elif defined(JS_CODEGEN_ARM64)
+ # include "jit/arm64/AtomicOperations-arm64.h"
+ #elif defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+ # include "jit/mips-shared/AtomicOperations-mips-shared.h"
+ #elif defined(__ppc64__) || defined(__PPC64_)       \
+     || defined(__ppc64le__) || defined(__PPC64LE__) \
+-    || defined(__ppc__) || defined(__PPC__)
++    || defined(__ppc__) || defined(__PPC__) || defined(__sparc)
+ # include "jit/none/AtomicOperations-ppc.h"
+ #elif defined(JS_CODEGEN_NONE)
+ # include "jit/none/AtomicOperations-none.h"
+ #elif defined(JS_CODEGEN_X86) || defined(JS_CODEGEN_X64)
+ # include "jit/x86-shared/AtomicOperations-x86-shared.h"
+ #else
+ # error "Atomic operations must be defined for this platform"
+ #endif
+--- a/gfx/2d/Types.h    Tue May  3 14:20:54 2016
++++ b/gfx/2d/Types.h    Tue May  3 13:43:00 2016
+@@ -61,15 +61,8 @@
+   // The following values are endian-independent synonyms. The _UINT32 suffix
+   // indicates that the name reflects the layout when viewed as a uint32_t
+   // value.
+-#if MOZ_LITTLE_ENDIAN
+   A8R8G8B8_UINT32 = B8G8R8A8,       // 0xAARRGGBB
+   X8R8G8B8_UINT32 = B8G8R8X8        // 0x00RRGGBB
+-#elif MOZ_BIG_ENDIAN
+-  A8R8G8B8_UINT32 = A8R8G8B8,       // 0xAARRGGBB
+-  X8R8G8B8_UINT32 = X8R8G8B8        // 0x00RRGGBB
+-#else
+-# error "bad endianness"
+-#endif
+ };
+
+ inline bool IsOpaque(SurfaceFormat aFormat)