[clang] [llvm] [RISCV] Add MIPS extensions (PR #121394)

[Djordje Todorovic via llvm-commits]

================
@@ -1228,6 +1228,21 @@ def HasVendorXCVbi
     : Predicate<"Subtarget->hasVendorXCVbi()">,
       AssemblerPredicate<(all_of FeatureVendorXCVbi),
                          "'XCVbi' (CORE-V Immediate Branching)">;
+// MIPS Extensions
+
+def FeatureVendorXMIPSCMove
+    : RISCVExtension<1, 0, "MIPS conditional move instruction(s) (ccmov)">;
+def HasVendorXMIPSCMove
+    : Predicate<"Subtarget->hasVendorXMIPSCMove()">,
+      AssemblerPredicate<(all_of FeatureVendorXMIPSCMove),
+                         "'Xmipscmove' ('mips.ccmov' instruction)">;
+def UseCCMovInsn : Predicate<"Subtarget->useCCMovInsn()">;
+def FeatureVendorXMIPSLSP
+    : RISCVExtension<1, 0, "MIPS optimization for hardware load-store bonding">;
+def HasVendorXMIPSLSP
+    : Predicate<"Subtarget->hasVendorXMIPSCMove()">,
----------------
djtodoro wrote:

IIUC, I think you proposed we use `hasVendorXMIPSCMove` for both.

https://github.com/llvm/llvm-project/pull/121394