llvm · ahmedbougacha · Aug 16, 2024 · Aug 10, 2024
diff --git a/llvm/lib/Target/AArch64/AArch64Features.td b/llvm/lib/Target/AArch64/AArch64Features.td
@@ -720,9 +720,6 @@ def FeatureTaggedGlobals : SubtargetFeature<"tagged-globals",
     "true", "Use an instruction sequence for taking the address of a global "
     "that allows a memory tag in the upper address bits">;
 
-def FeatureAppleA7SysReg  : SubtargetFeature<"apple-a7-sysreg", "HasAppleA7SysReg", "true",
-  "Apple A7 (the CPU formerly known as Cyclone)">;
-
 def FeatureEL2VMSA : SubtargetFeature<"el2vmsa", "HasEL2VMSA", "true",
   "Enable Exception Level 2 Virtual Memory System Architecture">;
 

diff --git a/llvm/lib/Target/AArch64/AArch64Processors.td b/llvm/lib/Target/AArch64/AArch64Processors.td
@@ -835,7 +835,7 @@ def ProcessorFeatures {
                                      FeatureFullFP16, FeatureCRC, FeatureLSE, FeatureRAS, FeatureRDM,
                                      FeatureFPARMv8];
   list<SubtargetFeature> AppleA7  = [HasV8_0aOps, FeatureSHA2, FeatureAES, FeatureFPARMv8,
-                                     FeatureNEON,FeaturePerfMon, FeatureAppleA7SysReg];
+                                     FeatureNEON,FeaturePerfMon];
   list<SubtargetFeature> AppleA10 = [HasV8_0aOps, FeatureSHA2, FeatureAES, FeatureFPARMv8,
                                      FeatureNEON, FeaturePerfMon, FeatureCRC,
                                      FeatureRDM, FeaturePAN, FeatureLOR, FeatureVH];

diff --git a/llvm/lib/Target/AArch64/AArch64SystemOperands.td b/llvm/lib/Target/AArch64/AArch64SystemOperands.td
@@ -1746,11 +1746,6 @@ foreach n = 0-31 in {
 let Requires = [{ {AArch64::FeatureSPE_EEF} }] in
 def : RWSysReg<"PMSNEVFR_EL1",      0b11, 0b000, 0b1001, 0b1001, 0b001>;
 
-// Cyclone specific system registers
-//                                 Op0    Op1     CRn     CRm    Op2
-let Requires = [{ {AArch64::FeatureAppleA7SysReg} }] in
-def : RWSysReg<"CPM_IOACC_CTL_EL3", 0b11, 0b111, 0b1111, 0b0010, 0b000>;
-
 // Scalable Matrix Extension (SME)
 //                                 Op0   Op1    CRn     CRm     Op2
 let Requires = [{ {AArch64::FeatureSME} }] in {

diff --git a/llvm/test/CodeGen/AArch64/print-mrs-system-register.ll b/llvm/test/CodeGen/AArch64/print-mrs-system-register.ll
diff --git a/llvm/test/MC/AArch64/arm64-target-specific-sysreg.s b/llvm/test/MC/AArch64/arm64-target-specific-sysreg.s
diff --git a/llvm/test/tools/llvm-objdump/MachO/AArch64/Inputs/print-mrs.obj.macho-aarch64 b/llvm/test/tools/llvm-objdump/MachO/AArch64/Inputs/print-mrs.obj.macho-aarch64
diff --git a/llvm/test/tools/llvm-objdump/MachO/AArch64/macho-print-mrs.test b/llvm/test/tools/llvm-objdump/MachO/AArch64/macho-print-mrs.test