[PATCH] D102912: [libunwind] AARCH64 use inline assembly for pointer authentication

[Maksim Kita via Phabricator via llvm-commits]

kitaisreal updated this revision to Diff 346982.
kitaisreal added a comment.

Formatted code using clang-format


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102912/new/

https://reviews.llvm.org/D102912

Files:
  libunwind/src/DwarfInstructions.hpp


Index: libunwind/src/DwarfInstructions.hpp
===================================================================
--- libunwind/src/DwarfInstructions.hpp
+++ libunwind/src/DwarfInstructions.hpp
@@ -222,27 +222,22 @@
         // are used here as gcc does not assemble autia1716/autib1716 for pre
         // armv8.3a targets.
 
-        if (cieInfo.addressesSignedWithBKey)
-        {
-            asm volatile(
-                "mov x17, %x0;"
-                "mov x16, %x1;"
-                "hint 0xe;" // autib1716
-                "mov %0, x17"
-                : "+r"(returnAddress)
-                : "r"(cfa)
-                : "x16", "x17");
-        }
-        else
-        {
-            asm volatile(
-                "mov x17, %x0;"
-                "mov x16, %x1;"
-                "hint 0xc;" // autia1716
-                "mov %0, x17"
-                : "+r"(returnAddress)
-                : "r"(cfa)
-                : "x16", "x17");
+        if (cieInfo.addressesSignedWithBKey) {
+          asm volatile("mov x17, %x0;"
+                       "mov x16, %x1;"
+                       "hint 0xe;" // autib1716
+                       "mov %0, x17"
+                       : "+r"(returnAddress)
+                       : "r"(cfa)
+                       : "x16", "x17");
+        } else {
+          asm volatile("mov x17, %x0;"
+                       "mov x16, %x1;"
+                       "hint 0xc;" // autia1716
+                       "mov %0, x17"
+                       : "+r"(returnAddress)
+                       : "r"(cfa)
+                       : "x16", "x17");
         }
 #endif
       }


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