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Diffstat (limited to 'llvm/docs/LangRef.rst')
| -rw-r--r-- | llvm/docs/LangRef.rst | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/llvm/docs/LangRef.rst b/llvm/docs/LangRef.rst index d93ae17434a..f86ca405f47 100644 --- a/llvm/docs/LangRef.rst +++ b/llvm/docs/LangRef.rst @@ -7082,13 +7082,13 @@ Arguments: There are three arguments to the '``cmpxchg``' instruction: an address to operate on, a value to compare to the value currently be at that address, and a new value to place at that address if the compared values -are equal. The type of '<cmp>' must be an integer type whose bit width -is a power of two greater than or equal to eight and less than or equal -to a target-specific size limit. '<cmp>' and '<new>' must have the same -type, and the type of '<pointer>' must be a pointer to that type. If the -``cmpxchg`` is marked as ``volatile``, then the optimizer is not allowed -to modify the number or order of execution of this ``cmpxchg`` with -other :ref:`volatile operations <volatile>`. +are equal. The type of '<cmp>' must be an integer or pointer type whose +bit width is a power of two greater than or equal to eight and less +than or equal to a target-specific size limit. '<cmp>' and '<new>' must +have the same type, and the type of '<pointer>' must be a pointer to +that type. If the ``cmpxchg`` is marked as ``volatile``, then the +optimizer is not allowed to modify the number or order of execution of +this ``cmpxchg`` with other :ref:`volatile operations <volatile>`. The success and failure :ref:`ordering <ordering>` arguments specify how this ``cmpxchg`` synchronizes with other atomic operations. Both ordering parameters |
