[llvm] [AArch64][SVE] Use FeatureUseFixedOverScalableIfEqualCost for A320 (PR #152156)

[David Green via llvm-commits]

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@@ -741,7 +741,8 @@ def ProcessorFeatures {
                                  FeaturePAuth, FeaturePsUAO, FeatureRAS,
                                  FeatureRDM, FeatureTRBE, FeatureVH,
                                  FeatureFlagM, FeaturePredRes, FeatureSB, FeatureSSBS,
-                                 FeatureSVE, FeatureSVE2];
+                                 FeatureSVE, FeatureSVE2,
+                                 FeatureUseFixedOverScalableIfEqualCost];
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davemgreen wrote:

Oh - I should read the patch first. As this is a tuning feature it should be in TuneA320. It keeps the -mcpu architecture features and the -mtune tuning features separate.

https://github.com/llvm/llvm-project/pull/152156