Use .p2align instead of .align

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@199941 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/Unwind/UnwindRegistersRestore.S b/src/Unwind/UnwindRegistersRestore.S
index 9f07705..cf36e7d 100644
--- a/src/Unwind/UnwindRegistersRestore.S
+++ b/src/Unwind/UnwindRegistersRestore.S
@@ -266,7 +266,7 @@
 ; On entry:
 ;  thread_state pointer is in x0
 ;
-  .align 2
+  .p2align 2
 DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind15Registers_arm646jumptoEv)
   ; skip restore of x0,x1 for now
   ldp    x2, x3,  [x0, #0x010]
@@ -316,7 +316,7 @@
 @ On entry:
 @  thread_state pointer is in r0
 @
-  .align 2
+  .p2align 2
 DEFINE_LIBUNWIND_PRIVATE_FUNCTION(_ZN9libunwind13Registers_arm6jumptoEv)
   @ Use lr as base so that r0 can be restored.
   mov lr, r0
diff --git a/src/Unwind/UnwindRegistersSave.S b/src/Unwind/UnwindRegistersSave.S
index 681b44c..a3617ed 100644
--- a/src/Unwind/UnwindRegistersSave.S
+++ b/src/Unwind/UnwindRegistersSave.S
@@ -238,7 +238,7 @@
 ; On entry:
 ;  thread_state pointer is in x0
 ;
-  .align 2
+  .p2align 2
 DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
   stp    x0, x1,  [x0, #0x000]
   stp    x2, x3,  [x0, #0x010]
@@ -288,7 +288,7 @@
 @ On entry:
 @  thread_state pointer is in r0
 @
-  .align 2
+  .p2align 2
 DEFINE_LIBUNWIND_FUNCTION(unw_getcontext)
   @ 32bit thumb-2 restrictions for stm:
   @ . the sp (r13) cannot be in the list