[PATCH] D157365: [lld][PPC64] Fix location of the least significant byte when fixing up R_PPC64_ADDR14 for little-endian target

[Kai Luo via Phabricator via llvm-commits]

lkail created this revision.
lkail added reviewers: PowerPC, MaskRay.
Herald added subscribers: shchenz, kbarton, arichardson, nemanjai, emaste.
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lkail requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D157365

Files:
  lld/ELF/Arch/PPC64.cpp


Index: lld/ELF/Arch/PPC64.cpp
===================================================================
--- lld/ELF/Arch/PPC64.cpp
+++ lld/ELF/Arch/PPC64.cpp
@@ -1220,8 +1220,8 @@
   case R_PPC64_ADDR14: {
     checkAlignment(loc, val, 4, rel);
     // Preserve the AA/LK bits in the branch instruction
-    uint8_t aalk = loc[3];
-    write16(loc + 2, (aalk & 3) | (val & 0xfffc));
+    uint8_t aalk = loc[config->isLE ? 0 : 3];
+    write16(config->isLE ? loc : loc + 2, (aalk & 3) | (val & 0xfffc));
     break;
   }
   case R_PPC64_ADDR16:


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