Vendor import of compiler-rt release_40 branch r293443:vendor/compiler-rt/compiler-rt-release_40-r293807vendor/compiler-rt/compiler-rt-release_40-r293443

https://llvm.org/svn/llvm-project/compiler-rt/branches/release_40@293443

3 files changed, 14 insertions, 3 deletions

diff --git a/lib/builtins/arm/comparesf2.S b/lib/builtins/arm/comparesf2.S
index e8095650e4fb..a5b7e36487d6 100644
--- a/lib/builtins/arm/comparesf2.S
+++ b/lib/builtins/arm/comparesf2.S
@@ -283,7 +283,7 @@ DEFINE_COMPILERRT_FUNCTION(__unordsf2)
 END_COMPILERRT_FUNCTION(__unordsf2)
 
 #if defined(COMPILER_RT_ARMHF_TARGET)
-DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmpum):
+DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmpum)
 	vmov s0, r0
 	vmov s1, r1
 	b SYMBOL_NAME(__unordsf2)
diff --git a/lib/xray/xray_arm.cc b/lib/xray/xray_arm.cc
index d89322e833e5..f5e2cd2a93c2 100644
--- a/lib/xray/xray_arm.cc
+++ b/lib/xray/xray_arm.cc
@@ -19,6 +19,8 @@
 #include <atomic>
 #include <cassert>
 
+extern "C" void __clear_cache(void* start, void* end);
+
 namespace __xray {
 
 uint64_t cycleFrequency() XRAY_NEVER_INSTRUMENT {
@@ -116,8 +118,8 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
   //   B #20
 
   uint32_t *FirstAddress = reinterpret_cast<uint32_t *>(Sled.Address);
+  uint32_t *CurAddress = FirstAddress + 1;
   if (Enable) {
-    uint32_t *CurAddress = FirstAddress + 1;
     CurAddress =
         Write32bitLoadR0(CurAddress, reinterpret_cast<uint32_t>(FuncId));
     CurAddress =
@@ -125,6 +127,7 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
     *CurAddress = uint32_t(PatchOpcodes::PO_BlxIp);
     CurAddress++;
     *CurAddress = uint32_t(PatchOpcodes::PO_PopR0Lr);
+    CurAddress++;
     std::atomic_store_explicit(
         reinterpret_cast<std::atomic<uint32_t> *>(FirstAddress),
         uint32_t(PatchOpcodes::PO_PushR0Lr), std::memory_order_release);
@@ -133,6 +136,8 @@ inline static bool patchSled(const bool Enable, const uint32_t FuncId,
         reinterpret_cast<std::atomic<uint32_t> *>(FirstAddress),
         uint32_t(PatchOpcodes::PO_B20), std::memory_order_release);
   }
+  __clear_cache(reinterpret_cast<char*>(FirstAddress),
+      reinterpret_cast<char*>(CurAddress));
   return true;
 }
 
diff --git a/test/xray/lit.cfg b/test/xray/lit.cfg
index 5d030e101452..9142ad13618c 100644
--- a/test/xray/lit.cfg
+++ b/test/xray/lit.cfg
@@ -30,8 +30,14 @@ config.substitutions.append(
 # Default test suffixes.
 config.suffixes = ['.c', '.cc', '.cpp']
 
-if config.host_os not in ['Linux'] or config.host_arch.find('64') == -1:
+if config.host_os not in ['Linux']:
   config.unsupported = True
+elif '64' not in config.host_arch:
+  if 'arm' in config.host_arch:
+    if '-mthumb' in config.target_cflags:
+      config.unsupported = True
+  else:
+    config.unsupported = True
 
 # Allow tests to use REQUIRES=stable-runtime.  For use when you cannot use XFAIL
 # e.g. because the test sometimes passes, sometimes fails.