[clang] [llvm] [LoongArch] Support sc.q instruction for 128bit cmpxchg operation (PR #116771)

[Lu Weining via llvm-commits]

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@@ -2135,12 +2135,12 @@ const StringMap<bool> sys::getHostCPUFeatures() {
   Features["div32"] = cpucfg2 & (1U << 26);   // CPUCFG.2.DIV32
   Features["lam-bh"] = cpucfg2 & (1U << 27);  // CPUCFG.2.LAM_BH
   Features["lamcas"] = cpucfg2 & (1U << 28);  // CPUCFG.2.LAMCAS
+  Features["scq"] = cpucfg2 & (1U << 30);     // CPUCFG.2.SCQLL
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SixWeining wrote:

SCQLL: Did you mean SCQ ?

https://github.com/llvm/llvm-project/pull/116771