[clang] [llvm] [LLVM][MC][AArch64] Assembler support for Armv9.6-A memory systems extensions (PR #112341)

[via cfe-commits]

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@@ -4660,6 +4746,21 @@ let Predicates = [HasLOR] in {
   def STLLRH0 : InstAlias<"stllrh\t$Rt, [$Rn, #0]",  (STLLRH   GPR32: $Rt, GPR64sp:$Rn)>;
 }
 
+// v9.6-a Unprivileged load store operations
+let Predicates = [HasLSUI] in {
+defm LDTXRW : LoadUnprivilegedLSUI<0b10, GPR32, "ldtxr">;
+defm LDTXRX : LoadUnprivilegedLSUI<0b11, GPR64, "ldtxr">;
+
+def LDATXRW : LoadExclusiveLSUI <0b10, 1, 1, GPR32, "ldatxr">;
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CarolineConcatto wrote:

These instructions need an alias for ldaxr for 32 and 64 bits.

https://github.com/llvm/llvm-project/pull/112341