aboutsummaryrefslogtreecommitdiff
path: root/include/llvm/CodeGen/ISDOpcodes.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/CodeGen/ISDOpcodes.h')
-rw-r--r--include/llvm/CodeGen/ISDOpcodes.h22
1 files changed, 11 insertions, 11 deletions
diff --git a/include/llvm/CodeGen/ISDOpcodes.h b/include/llvm/CodeGen/ISDOpcodes.h
index 7c06beb956..7f5625cd5e 100644
--- a/include/llvm/CodeGen/ISDOpcodes.h
+++ b/include/llvm/CodeGen/ISDOpcodes.h
@@ -597,22 +597,22 @@ namespace ISD {
// two integer constants: an AtomicOrdering and a SynchronizationScope.
ATOMIC_FENCE,
+ // Val, OUTCHAIN = ATOMIC_LOAD(INCHAIN, ptr)
+ // This corresponds to "load atomic" instruction.
+ ATOMIC_LOAD,
+
+ // OUTCHAIN = ATOMIC_LOAD(INCHAIN, ptr, val)
+ // This corresponds to "store atomic" instruction.
+ ATOMIC_STORE,
+
// Val, OUTCHAIN = ATOMIC_CMP_SWAP(INCHAIN, ptr, cmp, swap)
- // this corresponds to the atomic.lcs intrinsic.
- // cmp is compared to *ptr, and if equal, swap is stored in *ptr.
- // the return is always the original value in *ptr
+ // This corresponds to the cmpxchg instruction.
ATOMIC_CMP_SWAP,
// Val, OUTCHAIN = ATOMIC_SWAP(INCHAIN, ptr, amt)
- // this corresponds to the atomic.swap intrinsic.
- // amt is stored to *ptr atomically.
- // the return is always the original value in *ptr
- ATOMIC_SWAP,
-
// Val, OUTCHAIN = ATOMIC_LOAD_[OpName](INCHAIN, ptr, amt)
- // this corresponds to the atomic.load.[OpName] intrinsic.
- // op(*ptr, amt) is stored to *ptr atomically.
- // the return is always the original value in *ptr
+ // These correspond to the atomicrmw instruction.
+ ATOMIC_SWAP,
ATOMIC_LOAD_ADD,
ATOMIC_LOAD_SUB,
ATOMIC_LOAD_AND,