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MC: Lower the default alignment of MCContext's operator new to 8

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This is more than sufficient for all MC types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237522 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-05-16 13:54:08 +00:00
parent ea08c0b975
commit 8ef9968822
1 changed files with 6 additions and 6 deletions
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12
include/llvm/MC/MCContext.h
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@@ -533,10 +533,10 @@ namespace llvm {
/// this ever changes, this operator will have to be changed, too.) /// this ever changes, this operator will have to be changed, too.)
/// Usage looks like this (assuming there's an MCContext 'Context' in scope): /// Usage looks like this (assuming there's an MCContext 'Context' in scope):
/// \code /// \code
/// // Default alignment (16) /// // Default alignment (8)
/// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments); /// IntegerLiteral *Ex = new (Context) IntegerLiteral(arguments);
/// // Specific alignment /// // Specific alignment
/// IntegerLiteral *Ex2 = new (Context, 8) IntegerLiteral(arguments); /// IntegerLiteral *Ex2 = new (Context, 4) IntegerLiteral(arguments);
/// \endcode /// \endcode
/// Please note that you cannot use delete on the pointer; it must be /// Please note that you cannot use delete on the pointer; it must be
/// deallocated using an explicit destructor call followed by /// deallocated using an explicit destructor call followed by
@@ -548,7 +548,7 @@ namespace llvm {
/// allocator supports it). /// allocator supports it).
/// \return The allocated memory. Could be NULL. /// \return The allocated memory. Could be NULL.
inline void *operator new(size_t Bytes, llvm::MCContext &C, inline void *operator new(size_t Bytes, llvm::MCContext &C,
size_t Alignment = 16) throw () { size_t Alignment = 8) throw() {
return C.Allocate(Bytes, Alignment); return C.Allocate(Bytes, Alignment);
} }
/// \brief Placement delete companion to the new above. /// \brief Placement delete companion to the new above.
@@ -567,10 +567,10 @@ inline void operator delete(void *Ptr, llvm::MCContext &C, size_t)
/// null on error. /// null on error.
/// Usage looks like this (assuming there's an MCContext 'Context' in scope): /// Usage looks like this (assuming there's an MCContext 'Context' in scope):
/// \code /// \code
/// // Default alignment (16) /// // Default alignment (8)
/// char *data = new (Context) char[10]; /// char *data = new (Context) char[10];
/// // Specific alignment /// // Specific alignment
/// char *data = new (Context, 8) char[10]; /// char *data = new (Context, 4) char[10];
/// \endcode /// \endcode
/// Please note that you cannot use delete on the pointer; it must be /// Please note that you cannot use delete on the pointer; it must be
/// deallocated using an explicit destructor call followed by /// deallocated using an explicit destructor call followed by
@@ -582,7 +582,7 @@ inline void operator delete(void *Ptr, llvm::MCContext &C, size_t)
/// allocator supports it). /// allocator supports it).
/// \return The allocated memory. Could be NULL. /// \return The allocated memory. Could be NULL.
inline void *operator new[](size_t Bytes, llvm::MCContext& C, inline void *operator new[](size_t Bytes, llvm::MCContext& C,
size_t Alignment = 16) throw () { size_t Alignment = 8) throw() {
return C.Allocate(Bytes, Alignment); return C.Allocate(Bytes, Alignment);
} }