Age | Commit message (Collapse) | Author |
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This is 64bit SSE4 optimized memcmp. It improves memcmp by upto 3X
on Intel Core i7.
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Objects of type ucontext_t cannot be copied, only getcontext can
properly initialize them. For example, on powerpc the structure
contains a pointer into itself, so makecontext modifies the original
object by side effect.
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This reverts commit 59d9f1d6983fc9b606a1f9214fb817efe3d6cff8.
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If malloc errors are ignored (which say aren't by default and never
should be) malloc in the old, slow form might use an uninitialized
variable.
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