34 lines
1.4 KiB
Diff
34 lines
1.4 KiB
Diff
--- Source/WTF/wtf/text/StringImpl.h 2017-04-18 22:15:27.000000000 +0200
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+++ Source/WTF/wtf/text/StringImpl.h 2018-01-20 11:34:19.280270335 +0100
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@@ -625,29 +625,7 @@
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// FIXME: Does this really belong in StringImpl?
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template <typename T> static void copyChars(T* destination, const T* source, unsigned numCharacters)
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{
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- if (numCharacters == 1) {
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- *destination = *source;
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- return;
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- }
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-
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- if (numCharacters <= s_copyCharsInlineCutOff) {
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- unsigned i = 0;
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-#if (CPU(X86) || CPU(X86_64))
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- const unsigned charsPerInt = sizeof(uint32_t) / sizeof(T);
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-
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- if (numCharacters > charsPerInt) {
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- unsigned stopCount = numCharacters & ~(charsPerInt - 1);
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-
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- const uint32_t* srcCharacters = reinterpret_cast<const uint32_t*>(source);
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- uint32_t* destCharacters = reinterpret_cast<uint32_t*>(destination);
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- for (unsigned j = 0; i < stopCount; i += charsPerInt, ++j)
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- destCharacters[j] = srcCharacters[j];
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- }
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-#endif
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- for (; i < numCharacters; ++i)
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- destination[i] = source[i];
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- } else
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- memcpy(destination, source, numCharacters * sizeof(T));
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+ memcpy(destination, source, numCharacters * sizeof(T));
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}
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ALWAYS_INLINE static void copyChars(UChar* destination, const LChar* source, unsigned numCharacters)
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