[#llvm-bitc-RMWOperations]
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Bitcode encodings for AtomicRMW operations.

== Synopsis

Declared in `<llvm/Bitcode/LLVMBitCodes.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum RMWOperations;
----

== Description

The values of these enums have no fixed relation to the LLVM IR enum values. Changing these will break compatibility with old files.

== Members

[cols="1,4"]
|===
| Name| Description
| `RMW_XCHG` 
| Atomic exchange.
| `RMW_ADD` 
| Atomic add.
| `RMW_SUB` 
| Atomic subtract.
| `RMW_AND` 
| Atomic bitwise AND.
| `RMW_NAND` 
| Atomic bitwise NAND.
| `RMW_OR` 
| Atomic bitwise OR.
| `RMW_XOR` 
| Atomic bitwise XOR.
| `RMW_MAX` 
| Atomic signed maximum.
| `RMW_MIN` 
| Atomic signed minimum.
| `RMW_UMAX` 
| Atomic unsigned maximum.
| `RMW_UMIN` 
| Atomic unsigned minimum.
| `RMW_FADD` 
| Atomic floating‐point add.
| `RMW_FSUB` 
| Atomic floating‐point subtract.
| `RMW_FMAX` 
| Atomic floating‐point maximum.
| `RMW_FMIN` 
| Atomic floating‐point minimum.
| `RMW_UINC_WRAP` 
| Atomic unsigned increment with wrap.
| `RMW_UDEC_WRAP` 
| Atomic unsigned decrement with wrap.
| `RMW_USUB_COND` 
| Atomic unsigned conditional subtract.
| `RMW_USUB_SAT` 
| Atomic unsigned saturating subtract.
| `RMW_FMAXIMUM` 
| Atomic floating‐point maximum (IEEE).
| `RMW_FMINIMUM` 
| Atomic floating‐point minimum (IEEE).
| `RMW_FMAXIMUMNUM` 
| Atomic floating‐point maximum number.
| `RMW_FMINIMUMNUM` 
| Atomic floating‐point minimum number.
|===



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