[llvm-branch-commits] [clang] [llvm] [SPARC] Prefer RDPC over CALL to implement GETPCX for 64-bit target (PR #77196)

[via llvm-branch-commits]

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@@ -118,9 +126,11 @@ def : Proc<"ma2480",          [FeatureLeon, LeonCASA]>;
 def : Proc<"ma2485",          [FeatureLeon, LeonCASA]>;
 def : Proc<"ma2x8x",          [FeatureLeon, LeonCASA]>;
 def : Proc<"v9",              [FeatureV9]>;
-def : Proc<"ultrasparc",      [FeatureV9, FeatureV8Deprecated, FeatureVIS]>;
+def : Proc<"ultrasparc",      [FeatureV9, FeatureV8Deprecated, FeatureVIS],
+                              [TuneSlowRDPC]>;
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koachan wrote:

-mtune enablement is at PR #77195.
clang already accepts, recognises, and passes the flag on to the backend, it's just the backend haven't made any use of the provided info yet.

https://github.com/llvm/llvm-project/pull/77196