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Unified Diff: third_party/WebKit/Source/wtf/text/ASCIIFastPath.h

Issue 1611343002: wtf reformat test Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: pydent Created 4 years, 11 months ago
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Index: third_party/WebKit/Source/wtf/text/ASCIIFastPath.h
diff --git a/third_party/WebKit/Source/wtf/text/ASCIIFastPath.h b/third_party/WebKit/Source/wtf/text/ASCIIFastPath.h
index 392966e507e4e3e05f8f873bf804a03061ad5da4..37685e349f173a706ea992ea676420ccd1e45d3c 100644
--- a/third_party/WebKit/Source/wtf/text/ASCIIFastPath.h
+++ b/third_party/WebKit/Source/wtf/text/ASCIIFastPath.h
@@ -39,133 +39,144 @@ namespace WTF {
typedef uintptr_t MachineWord;
const uintptr_t machineWordAlignmentMask = sizeof(MachineWord) - 1;
-inline bool isAlignedToMachineWord(const void* pointer)
-{
- return !(reinterpret_cast<uintptr_t>(pointer) & machineWordAlignmentMask);
+inline bool isAlignedToMachineWord(const void* pointer) {
+ return !(reinterpret_cast<uintptr_t>(pointer) & machineWordAlignmentMask);
}
-template<typename T> inline T* alignToMachineWord(T* pointer)
-{
- return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(pointer) & ~machineWordAlignmentMask);
+template <typename T>
+inline T* alignToMachineWord(T* pointer) {
+ return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(pointer) &
+ ~machineWordAlignmentMask);
}
-template<size_t size, typename CharacterType> struct NonASCIIMask;
-template<> struct NonASCIIMask<4, UChar> {
- static inline uint32_t value() { return 0xFF80FF80U; }
+template <size_t size, typename CharacterType>
+struct NonASCIIMask;
+template <>
+struct NonASCIIMask<4, UChar> {
+ static inline uint32_t value() { return 0xFF80FF80U; }
};
-template<> struct NonASCIIMask<4, LChar> {
- static inline uint32_t value() { return 0x80808080U; }
+template <>
+struct NonASCIIMask<4, LChar> {
+ static inline uint32_t value() { return 0x80808080U; }
};
-template<> struct NonASCIIMask<8, UChar> {
- static inline uint64_t value() { return 0xFF80FF80FF80FF80ULL; }
+template <>
+struct NonASCIIMask<8, UChar> {
+ static inline uint64_t value() { return 0xFF80FF80FF80FF80ULL; }
};
-template<> struct NonASCIIMask<8, LChar> {
- static inline uint64_t value() { return 0x8080808080808080ULL; }
+template <>
+struct NonASCIIMask<8, LChar> {
+ static inline uint64_t value() { return 0x8080808080808080ULL; }
};
-
-template<typename CharacterType>
-inline bool isAllASCII(MachineWord word)
-{
- return !(word & NonASCIIMask<sizeof(MachineWord), CharacterType>::value());
+template <typename CharacterType>
+inline bool isAllASCII(MachineWord word) {
+ return !(word & NonASCIIMask<sizeof(MachineWord), CharacterType>::value());
}
// Note: This function assume the input is likely all ASCII, and
// does not leave early if it is not the case.
-template<typename CharacterType>
-inline bool charactersAreAllASCII(const CharacterType* characters, size_t length)
-{
- MachineWord allCharBits = 0;
- const CharacterType* end = characters + length;
-
- // Prologue: align the input.
- while (!isAlignedToMachineWord(characters) && characters != end) {
- allCharBits |= *characters;
- ++characters;
- }
-
- // Compare the values of CPU word size.
- const CharacterType* wordEnd = alignToMachineWord(end);
- const size_t loopIncrement = sizeof(MachineWord) / sizeof(CharacterType);
- while (characters < wordEnd) {
- allCharBits |= *(reinterpret_cast_ptr<const MachineWord*>(characters));
- characters += loopIncrement;
- }
-
- // Process the remaining bytes.
- while (characters != end) {
- allCharBits |= *characters;
- ++characters;
- }
-
- MachineWord nonASCIIBitMask = NonASCIIMask<sizeof(MachineWord), CharacterType>::value();
- return !(allCharBits & nonASCIIBitMask);
+template <typename CharacterType>
+inline bool charactersAreAllASCII(const CharacterType* characters,
+ size_t length) {
+ MachineWord allCharBits = 0;
+ const CharacterType* end = characters + length;
+
+ // Prologue: align the input.
+ while (!isAlignedToMachineWord(characters) && characters != end) {
+ allCharBits |= *characters;
+ ++characters;
+ }
+
+ // Compare the values of CPU word size.
+ const CharacterType* wordEnd = alignToMachineWord(end);
+ const size_t loopIncrement = sizeof(MachineWord) / sizeof(CharacterType);
+ while (characters < wordEnd) {
+ allCharBits |= *(reinterpret_cast_ptr<const MachineWord*>(characters));
+ characters += loopIncrement;
+ }
+
+ // Process the remaining bytes.
+ while (characters != end) {
+ allCharBits |= *characters;
+ ++characters;
+ }
+
+ MachineWord nonASCIIBitMask =
+ NonASCIIMask<sizeof(MachineWord), CharacterType>::value();
+ return !(allCharBits & nonASCIIBitMask);
}
-inline void copyLCharsFromUCharSource(LChar* destination, const UChar* source, size_t length)
-{
+inline void copyLCharsFromUCharSource(LChar* destination,
+ const UChar* source,
+ size_t length) {
#if OS(MACOSX) && (CPU(X86) || CPU(X86_64))
- const uintptr_t memoryAccessSize = 16; // Memory accesses on 16 byte (128 bit) alignment
- const uintptr_t memoryAccessMask = memoryAccessSize - 1;
-
- size_t i = 0;
- for (;i < length && !isAlignedTo<memoryAccessMask>(&source[i]); ++i) {
- ASSERT(!(source[i] & 0xff00));
- destination[i] = static_cast<LChar>(source[i]);
- }
-
- const uintptr_t sourceLoadSize = 32; // Process 32 bytes (16 UChars) each iteration
- const size_t ucharsPerLoop = sourceLoadSize / sizeof(UChar);
- if (length > ucharsPerLoop) {
- const size_t endLength = length - ucharsPerLoop + 1;
- for (; i < endLength; i += ucharsPerLoop) {
+ const uintptr_t memoryAccessSize =
+ 16; // Memory accesses on 16 byte (128 bit) alignment
+ const uintptr_t memoryAccessMask = memoryAccessSize - 1;
+
+ size_t i = 0;
+ for (; i < length && !isAlignedTo<memoryAccessMask>(&source[i]); ++i) {
+ ASSERT(!(source[i] & 0xff00));
+ destination[i] = static_cast<LChar>(source[i]);
+ }
+
+ const uintptr_t sourceLoadSize =
+ 32; // Process 32 bytes (16 UChars) each iteration
+ const size_t ucharsPerLoop = sourceLoadSize / sizeof(UChar);
+ if (length > ucharsPerLoop) {
+ const size_t endLength = length - ucharsPerLoop + 1;
+ for (; i < endLength; i += ucharsPerLoop) {
#if ENABLE(ASSERT)
- for (unsigned checkIndex = 0; checkIndex < ucharsPerLoop; ++checkIndex)
- ASSERT(!(source[i+checkIndex] & 0xff00));
+ for (unsigned checkIndex = 0; checkIndex < ucharsPerLoop; ++checkIndex)
+ ASSERT(!(source[i + checkIndex] & 0xff00));
#endif
- __m128i first8UChars = _mm_load_si128(reinterpret_cast<const __m128i*>(&source[i]));
- __m128i second8UChars = _mm_load_si128(reinterpret_cast<const __m128i*>(&source[i+8]));
- __m128i packedChars = _mm_packus_epi16(first8UChars, second8UChars);
- _mm_storeu_si128(reinterpret_cast<__m128i*>(&destination[i]), packedChars);
- }
- }
-
- for (; i < length; ++i) {
- ASSERT(!(source[i] & 0xff00));
- destination[i] = static_cast<LChar>(source[i]);
+ __m128i first8UChars =
+ _mm_load_si128(reinterpret_cast<const __m128i*>(&source[i]));
+ __m128i second8UChars =
+ _mm_load_si128(reinterpret_cast<const __m128i*>(&source[i + 8]));
+ __m128i packedChars = _mm_packus_epi16(first8UChars, second8UChars);
+ _mm_storeu_si128(reinterpret_cast<__m128i*>(&destination[i]),
+ packedChars);
}
-#elif COMPILER(GCC) && CPU(ARM_NEON) && !(CPU(BIG_ENDIAN) || CPU(MIDDLE_ENDIAN)) && defined(NDEBUG)
- const LChar* const end = destination + length;
- const uintptr_t memoryAccessSize = 8;
-
- if (length >= (2 * memoryAccessSize) - 1) {
- // Prefix: align dst on 64 bits.
- const uintptr_t memoryAccessMask = memoryAccessSize - 1;
- while (!isAlignedTo<memoryAccessMask>(destination))
- *destination++ = static_cast<LChar>(*source++);
-
- // Vector interleaved unpack, we only store the lower 8 bits.
- const uintptr_t lengthLeft = end - destination;
- const LChar* const simdEnd = end - (lengthLeft % memoryAccessSize);
- do {
- asm("vld2.8 { d0-d1 }, [%[SOURCE]] !\n\t"
- "vst1.8 { d0 }, [%[DESTINATION],:64] !\n\t"
- : [SOURCE]"+r" (source), [DESTINATION]"+r" (destination)
- :
- : "memory", "d0", "d1");
- } while (destination != simdEnd);
- }
-
- while (destination != end)
- *destination++ = static_cast<LChar>(*source++);
+ }
+
+ for (; i < length; ++i) {
+ ASSERT(!(source[i] & 0xff00));
+ destination[i] = static_cast<LChar>(source[i]);
+ }
+#elif COMPILER(GCC) && CPU(ARM_NEON) && \
+ !(CPU(BIG_ENDIAN) || CPU(MIDDLE_ENDIAN)) && defined(NDEBUG)
+ const LChar* const end = destination + length;
+ const uintptr_t memoryAccessSize = 8;
+
+ if (length >= (2 * memoryAccessSize) - 1) {
+ // Prefix: align dst on 64 bits.
+ const uintptr_t memoryAccessMask = memoryAccessSize - 1;
+ while (!isAlignedTo<memoryAccessMask>(destination))
+ *destination++ = static_cast<LChar>(*source++);
+
+ // Vector interleaved unpack, we only store the lower 8 bits.
+ const uintptr_t lengthLeft = end - destination;
+ const LChar* const simdEnd = end - (lengthLeft % memoryAccessSize);
+ do {
+ asm("vld2.8 { d0-d1 }, [%[SOURCE]] !\n\t"
+ "vst1.8 { d0 }, [%[DESTINATION],:64] !\n\t"
+ : [SOURCE] "+r"(source), [DESTINATION] "+r"(destination)
+ :
+ : "memory", "d0", "d1");
+ } while (destination != simdEnd);
+ }
+
+ while (destination != end)
+ *destination++ = static_cast<LChar>(*source++);
#else
- for (size_t i = 0; i < length; ++i) {
- ASSERT(!(source[i] & 0xff00));
- destination[i] = static_cast<LChar>(source[i]);
- }
+ for (size_t i = 0; i < length; ++i) {
+ ASSERT(!(source[i] & 0xff00));
+ destination[i] = static_cast<LChar>(source[i]);
+ }
#endif
}
-} // namespace WTF
+} // namespace WTF
-#endif // ASCIIFastPath_h
+#endif // ASCIIFastPath_h
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