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build fix for 15023

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R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/16729002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15025 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
dcarney@chromium.org 2013-06-10 07:56:17 +00:00
parent a9ce5bb5ea
commit 7df1f40b0b
1 changed files with 17 additions and 10 deletions
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27
src/api.cc
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@ -4303,6 +4303,23 @@ bool String::IsOneByte() const {
return str->HasOnlyOneByteChars();
}
// Helpers for ContainsOnlyOneByteHelper
template<size_t size> struct OneByteMask;
template<> struct OneByteMask<4> {
static const uint32_t value = 0xFF00FF00;
};
template<> struct OneByteMask<8> {
static const uint64_t value = 0xFF00FF00FF00FF00;
};
static const uintptr_t kOneByteMask = OneByteMask<sizeof(uintptr_t)>::value;
static const uintptr_t kAlignmentMask = sizeof(uintptr_t) - 1;
static inline bool Unaligned(const uint16_t* chars) {
return reinterpret_cast<const uintptr_t>(chars) & kAlignmentMask;
}
static inline const uint16_t* Align(const uint16_t* chars) {
return reinterpret_cast<uint16_t*>(
reinterpret_cast<uintptr_t>(chars) & ~kAlignmentMask);
}
class ContainsOnlyOneByteHelper {
public:
@ -4348,16 +4365,6 @@ class ContainsOnlyOneByteHelper {
}
private:
static const uintptr_t kOneByteMask =
static_cast<uintptr_t>(0xFF00FF00FF00FF00ULL);
static const uintptr_t kAlignmentMask = sizeof(uintptr_t) - 1;
static inline bool Unaligned(const uint16_t* chars) {
return reinterpret_cast<const uintptr_t>(chars) & kAlignmentMask;
}
static inline const uint16_t* Align(const uint16_t* chars) {
return reinterpret_cast<uint16_t*>(
reinterpret_cast<uintptr_t>(chars) & ~kAlignmentMask);
}
bool CheckCons(i::ConsString* cons_string) {
while (true) {
// Check left side if flat.