25 lines
949 B
Diff
25 lines
949 B
Diff
diff --git a/third_party/boringssl/src/crypto/internal.h b/third_party/boringssl/src/crypto/internal.h
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index a77102d76..a45f97bcc 100644
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--- a/third_party/boringssl/src/crypto/internal.h
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+++ b/third_party/boringssl/src/crypto/internal.h
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@@ -1174,6 +1174,11 @@ static inline uint64_t CRYPTO_rotr_u64(uint64_t value, int shift) {
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// Arithmetic functions.
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+// The most efficient versions of these functions on GCC and Clang depend on C11
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+// |_Generic|. If we ever need to call these from C++, we'll need to add a
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+// variant that uses C++ overloads instead.
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+#if !defined(__cplusplus)
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+
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// CRYPTO_addc_* returns |x + y + carry|, and sets |*out_carry| to the carry
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// bit. |carry| must be zero or one.
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#if OPENSSL_HAS_BUILTIN(__builtin_addc)
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@@ -1275,6 +1280,8 @@ static inline uint64_t CRYPTO_subc_u64(uint64_t x, uint64_t y, uint64_t borrow,
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#define CRYPTO_subc_w CRYPTO_subc_u32
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#endif
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+#endif // !__cplusplus
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+
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// FIPS functions.
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