diff options
| -rw-r--r-- | lib/Target/ARM/ARM.td | 4 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.cpp | 1 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.h | 6 |
3 files changed, 10 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td index 2d7470919d..6b8dbb2723 100644 --- a/lib/Target/ARM/ARM.td +++ b/lib/Target/ARM/ARM.td @@ -59,6 +59,8 @@ def FeatureSlowFPBrcc : SubtargetFeature<"slow-fp-brcc", "SlowFPBrcc", "true", "FP compare + branch is slow">; def FeatureVFPOnlySP : SubtargetFeature<"fp-only-sp", "FPOnlySP", "true", "Floating point unit supports single precision only">; +def FeaturePerfMon : SubtargetFeature<"perfmon", "HasPerfMon", "true", + "Enable support for Performance Monitor extensions">; def FeatureTrustZone : SubtargetFeature<"trustzone", "HasTrustZone", "true", "Enable support for TrustZone security extensions">; @@ -134,7 +136,7 @@ def HasV6T2Ops : SubtargetFeature<"v6t2", "HasV6T2Ops", "true", [HasV6Ops, FeatureThumb2]>; def HasV7Ops : SubtargetFeature<"v7", "HasV7Ops", "true", "Support ARM v7 instructions", - [HasV6T2Ops]>; + [HasV6T2Ops, FeaturePerfMon]>; //===----------------------------------------------------------------------===// // ARM Processors supported. diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index c7d9743790..455fe1abe9 100644 --- a/lib/Target/ARM/ARMSubtarget.cpp +++ b/lib/Target/ARM/ARMSubtarget.cpp @@ -106,6 +106,7 @@ void ARMSubtarget::initializeEnvironment() { HasRAS = false; HasMPExtension = false; FPOnlySP = false; + HasPerfMon = false; HasTrustZone = false; AllowsUnalignedMem = false; Thumb2DSP = false; diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h index d01316511c..bc5af96c60 100644 --- a/lib/Target/ARM/ARMSubtarget.h +++ b/lib/Target/ARM/ARMSubtarget.h @@ -148,6 +148,11 @@ protected: /// precision. bool FPOnlySP; + /// If true, the processor supports the Performance Monitor Extensions. These + /// include a generic cycle-counter as well as more fine-grained (often + /// implementation-specific) events. + bool HasPerfMon; + /// HasTrustZone - if true, processor supports TrustZone security extensions bool HasTrustZone; @@ -254,6 +259,7 @@ public: bool hasVMLxForwarding() const { return HasVMLxForwarding; } bool isFPBrccSlow() const { return SlowFPBrcc; } bool isFPOnlySP() const { return FPOnlySP; } + bool hasPerfMon() const { return HasPerfMon; } bool hasTrustZone() const { return HasTrustZone; } bool prefers32BitThumb() const { return Pref32BitThumb; } bool avoidCPSRPartialUpdate() const { return AvoidCPSRPartialUpdate; } |