[lld] a290db3 - [ELF] --build-id=fast: switch to xxh3_64bits

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2023-07-19T11:37:42-07:00
New Revision: a290db3af14d8eb792e72555832c342f85b9579b

URL: https://github.com/llvm/llvm-project/commit/a290db3af14d8eb792e72555832c342f85b9579b
DIFF: https://github.com/llvm/llvm-project/commit/a290db3af14d8eb792e72555832c342f85b9579b.diff

LOG: [ELF] --build-id=fast: switch to xxh3_64bits

Added: 
    

Modified: 
    lld/ELF/Writer.cpp
    lld/test/ELF/build-id.s

Removed: 
    


################################################################################
diff  --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index ac4d6b711cfc6c..368c9aabceae81 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -2993,7 +2993,7 @@ template <class ELFT> void Writer<ELFT>::writeBuildId() {
   switch (config->buildId) {
   case BuildIdKind::Fast:
     computeHash(output, input, [](uint8_t *dest, ArrayRef<uint8_t> arr) {
-      write64le(dest, xxHash64(arr));
+      write64le(dest, xxh3_64bits(arr));
     });
     break;
   case BuildIdKind::Md5:

diff  --git a/lld/test/ELF/build-id.s b/lld/test/ELF/build-id.s
index 05a5e8d61f92e6..844880937b09f5 100644
--- a/lld/test/ELF/build-id.s
+++ b/lld/test/ELF/build-id.s
@@ -65,7 +65,7 @@ _start:
 # DEFAULT:      Contents of section .note.test:
 # DEFAULT:      Contents of section .note.gnu.build-id:
 # DEFAULT-NEXT: 04000000 08000000 03000000 474e5500  ............GNU.
-# DEFAULT-NEXT: 7e8ddeff 3ed41fa3
+# DEFAULT-NEXT: 630bc2f5 a2584763
 
 # MD5:      Contents of section .note.gnu.build-id:
 # MD5-NEXT: 04000000 10000000 03000000 474e5500  ............GNU.