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Merge pull request #1388 from miladfarca:fix-Read1To3-on-BE

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PiperOrigin-RevId: 511499093
Change-Id: I9ea2bbc38cbe8bd9dae937626d8faac41c010b38
This commit is contained in:
Copybara-Service
2023-02-22 08:13:06 -08:00
parent c3b5022604 32794f0a42
commit d6ea4df62d
1 changed files with 2 additions and 1 deletions
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absl/hash/internal/hash.h
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@@ -1074,6 +1074,7 @@ class ABSL_DLL MixingHashState : public HashStateBase<MixingHashState> {
// Reads 1 to 3 bytes from p. Zero pads to fill uint32_t.
static uint32_t Read1To3(const unsigned char* p, size_t len) {
// The trick used by this implementation is to avoid branches if possible.
unsigned char mem0 = p[0];
unsigned char mem1 = p[len / 2];
unsigned char mem2 = p[len - 1];
@@ -1083,7 +1084,7 @@ class ABSL_DLL MixingHashState : public HashStateBase<MixingHashState> {
unsigned char significant0 = mem0;
#else
unsigned char significant2 = mem0;
unsigned char significant1 = mem1;
unsigned char significant1 = len == 2 ? mem0 : mem1;
unsigned char significant0 = mem2;
#endif
return static_cast<uint32_t>(significant0 | //