[AArch64] Update for Exynos

Fix the feature set for Exynos M4 by removing support for `+fp16fml` and fix test case.

llvm-svn: 356698

Author: Evandro Menezes

llvm/lib/Target/AArch64/AArch64.td

@@ -573,7 +573,7 @@ def ProcExynosM4 : SubtargetFeature<"exynosm4", "ARMProcFamily", "ExynosM3",
                                      FeatureDotProd,
                                      FeatureExynosCheapAsMoveHandling,
                                      FeatureForce32BitJumpTables,
-                                     FeatureFP16FML,
+                                     FeatureFullFP16,
                                      FeatureFuseAddress,
                                      FeatureFuseAES,
                                      FeatureFuseArithmeticLogic,

llvm/unittests/Support/TargetParserTest.cpp

@@ -899,15 +899,15 @@ TEST(TargetParserTest, testAArch64Extension) {
   EXPECT_FALSE(testAArch64Extension("exynos-m3",
                                     AArch64::ArchKind::INVALID, "ras"));
   EXPECT_TRUE(testAArch64Extension("exynos-m4",
-                                   AArch64::ArchKind::INVALID, "lse"));
+                                   AArch64::ArchKind::INVALID, "dotprod"));
   EXPECT_TRUE(testAArch64Extension("exynos-m4",
-                                   AArch64::ArchKind::INVALID, "rdm"));
+                                   AArch64::ArchKind::INVALID, "fp16"));
+  EXPECT_TRUE(testAArch64Extension("exynos-m4",
+                                   AArch64::ArchKind::INVALID, "lse"));
   EXPECT_TRUE(testAArch64Extension("exynos-m4",
                                    AArch64::ArchKind::INVALID, "ras"));
-  EXPECT_FALSE(testAArch64Extension("exynos-m4",
-                                    AArch64::ArchKind::INVALID, "fullfp16"));
   EXPECT_TRUE(testAArch64Extension("exynos-m4",
-                                   AArch64::ArchKind::INVALID, "dotprod"));
+                                   AArch64::ArchKind::INVALID, "rdm"));
   EXPECT_TRUE(testAArch64Extension("falkor",
                                    AArch64::ArchKind::INVALID, "rdm"));
   EXPECT_FALSE(testAArch64Extension("kryo",