diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/ARM/ARM.td | 7 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.cpp | 1 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.h | 5 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMTargetMachine.cpp | 3 |
4 files changed, 14 insertions, 2 deletions
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td index 5da83a6..b9310bb 100644 --- a/lib/Target/ARM/ARM.td +++ b/lib/Target/ARM/ARM.td @@ -28,6 +28,8 @@ def FeatureNEON : SubtargetFeature<"neon", "ARMFPUType", "NEON", "Enable NEON instructions">; def FeatureThumb2 : SubtargetFeature<"thumb2", "ThumbMode", "Thumb2", "Enable Thumb2 instructions">; +def FeatureNoARM : SubtargetFeature<"noarm", "NoARM", "true", + "Does not support ARM mode execution">; def FeatureFP16 : SubtargetFeature<"fp16", "HasFP16", "true", "Enable half-precision floating point">; def FeatureHWDiv : SubtargetFeature<"hwdiv", "HasHardwareDivide", "true", @@ -69,7 +71,7 @@ def ArchV6 : SubtargetFeature<"v6", "ARMArchVersion", "V6", "ARM v6">; def ArchV6M : SubtargetFeature<"v6m", "ARMArchVersion", "V6M", "ARM v6m", - [FeatureDB]>; + [FeatureNoARM, FeatureDB]>; def ArchV6T2 : SubtargetFeature<"v6t2", "ARMArchVersion", "V6T2", "ARM v6t2", [FeatureThumb2]>; @@ -78,7 +80,8 @@ def ArchV7A : SubtargetFeature<"v7a", "ARMArchVersion", "V7A", [FeatureThumb2, FeatureNEON, FeatureDB]>; def ArchV7M : SubtargetFeature<"v7m", "ARMArchVersion", "V7M", "ARM v7M", - [FeatureThumb2, FeatureDB, FeatureHWDiv]>; + [FeatureThumb2, FeatureNoARM, FeatureDB, + FeatureHWDiv]>; //===----------------------------------------------------------------------===// // ARM Processors supported. diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index db50c9f..b4eb83e 100644 --- a/lib/Target/ARM/ARMSubtarget.cpp +++ b/lib/Target/ARM/ARMSubtarget.cpp @@ -36,6 +36,7 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &FS, , SlowFPBrcc(false) , IsThumb(isT) , ThumbMode(Thumb1) + , NoARM(false) , PostRAScheduler(false) , IsR9Reserved(ReserveR9) , UseMovt(UseMOVT) diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h index c5b3402..ad9fc11 100644 --- a/lib/Target/ARM/ARMSubtarget.h +++ b/lib/Target/ARM/ARMSubtarget.h @@ -63,6 +63,9 @@ protected: /// ThumbMode - Indicates supported Thumb version. ThumbTypeEnum ThumbMode; + /// NoARM - True if subtarget does not support ARM mode execution. + bool NoARM; + /// PostRAScheduler - True if using post-register-allocation scheduler. bool PostRAScheduler; @@ -136,6 +139,8 @@ protected: bool hasV6T2Ops() const { return ARMArchVersion >= V6T2; } bool hasV7Ops() const { return ARMArchVersion >= V7A; } + bool hasARMOps() const { return !NoARM; } + bool hasVFP2() const { return ARMFPUType >= VFPv2; } bool hasVFP3() const { return ARMFPUType >= VFPv3; } bool hasNEON() const { return ARMFPUType >= NEON; } diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp index ac9b6bf..30ff827 100644 --- a/lib/Target/ARM/ARMTargetMachine.cpp +++ b/lib/Target/ARM/ARMTargetMachine.cpp @@ -65,6 +65,9 @@ ARMTargetMachine::ARMTargetMachine(const Target &T, const std::string &TT, "v128:64:128-v64:64:64-n32")), TLInfo(*this), TSInfo(*this) { + if (!Subtarget.hasARMOps()) + report_fatal_error("CPU: '" + Subtarget.getCPUString() + "' does not " + "support ARM mode execution!"); } ThumbTargetMachine::ThumbTargetMachine(const Target &T, const std::string &TT, |