1 files changed, 84 insertions, 0 deletions
diff --git a/packaging/0001-ARM-Linux-Support-unaligned-struct-read-write-11290.patch b/packaging/0001-ARM-Linux-Support-unaligned-struct-read-write-11290.patch
new file mode 100644
index 0000000000..70f948b4eb
--- /dev/null
+++ b/packaging/0001-ARM-Linux-Support-unaligned-struct-read-write-11290.patch
@@ -0,0 +1,84 @@
+From 233bb0c8341079163acc12bea195e649f54ec5fb Mon Sep 17 00:00:00 2001
+From: Jonghyun Park <parjong@gmail.com>
+Date: Sat, 20 May 2017 06:26:27 +0900
+Subject: [PATCH 01/23] [ARM/Linux] Support unaligned struct read/write
+ (#11290)
+
+* [ARM/Linux] Support unaligned struct read
+
+* Fix format error
+
+* Support unaligned struct write
+---
+ src/jit/importer.cpp | 15 ++++++++++-----
+ src/jit/morph.cpp    | 14 ++++++++++++++
+ 2 files changed, 24 insertions(+), 5 deletions(-)
+
+diff --git a/src/jit/importer.cpp b/src/jit/importer.cpp
+index 74018c4..2d50741 100644
+--- a/src/jit/importer.cpp
++++ b/src/jit/importer.cpp
+@@ -14710,6 +14710,11 @@ void Compiler::impImportBlockCode(BasicBlock* block)
+                 assertImp(varTypeIsStruct(op2));
+ 
+                 op1 = impAssignStructPtr(op1, op2, resolvedToken.hClass, (unsigned)CHECK_SPILL_ALL);
++
++                if (op1->OperIsBlkOp() && (prefixFlags & PREFIX_UNALIGNED))
++                {
++                    op1->gtFlags |= GTF_BLK_UNALIGNED;
++                }
+                 goto SPILL_APPEND;
+             }
+ 
+@@ -14822,11 +14827,6 @@ void Compiler::impImportBlockCode(BasicBlock* block)
+                     // Could point anywhere, example a boxed class static int
+                     op1->gtFlags |= GTF_IND_TGTANYWHERE | GTF_GLOB_REF;
+                     assertImp(varTypeIsArithmetic(op1->gtType));
+-
+-                    if (prefixFlags & PREFIX_UNALIGNED)
+-                    {
+-                        op1->gtFlags |= GTF_IND_UNALIGNED;
+-                    }
+                 }
+                 else
+                 {
+@@ -14836,6 +14836,11 @@ void Compiler::impImportBlockCode(BasicBlock* block)
+                 }
+                 op1->gtFlags |= GTF_EXCEPT;
+ 
++                if (prefixFlags & PREFIX_UNALIGNED)
++                {
++                    op1->gtFlags |= GTF_IND_UNALIGNED;
++                }
++
+                 impPushOnStack(op1, tiRetVal);
+                 break;
+             }
+diff --git a/src/jit/morph.cpp b/src/jit/morph.cpp
+index 9404469..27a1dae 100644
+--- a/src/jit/morph.cpp
++++ b/src/jit/morph.cpp
+@@ -9960,6 +9960,20 @@ GenTreePtr Compiler::fgMorphCopyBlock(GenTreePtr tree)
+             requiresCopyBlock = true;
+         }
+ 
++#if defined(_TARGET_ARM_)
++        if ((rhs->OperIsIndir()) && (rhs->gtFlags & GTF_IND_UNALIGNED))
++        {
++            JITDUMP(" rhs is unaligned");
++            requiresCopyBlock = true;
++        }
++
++        if (asg->gtFlags & GTF_BLK_UNALIGNED)
++        {
++            JITDUMP(" asg is unaligned");
++            requiresCopyBlock = true;
++        }
++#endif // _TARGET_ARM_
++
+         if (dest->OperGet() == GT_OBJ && dest->AsBlk()->gtBlkOpGcUnsafe)
+         {
+             requiresCopyBlock = true;
+-- 
+1.9.1
+