Index: llvm/trunk/lib/Target/ARM/ARM.td =================================================================== --- llvm/trunk/lib/Target/ARM/ARM.td +++ llvm/trunk/lib/Target/ARM/ARM.td @@ -62,6 +62,9 @@ def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", "true", "Enable ARMv8 FP", [FeatureVFP4]>; +def FeatureFullFP16 : SubtargetFeature<"fullfp16", "HasFullFP16", "true", + "Enable full half-precision floating point", + [FeatureFPARMv8]>; def FeatureD16 : SubtargetFeature<"d16", "HasD16", "true", "Restrict FP to 16 double registers">; def FeatureHWDiv : SubtargetFeature<"hwdiv", "HasHardwareDivide", "true", @@ -212,6 +215,9 @@ def HasV8_1aOps : SubtargetFeature<"v8.1a", "HasV8_1aOps", "true", "Support ARM v8.1a instructions", [HasV8Ops]>; +def HasV8_2aOps : SubtargetFeature<"v8.2a", "HasV8_2aOps", "true", + "Support ARM v8.2a instructions", + [HasV8_1aOps]>; //===----------------------------------------------------------------------===// Index: llvm/trunk/lib/Target/ARM/ARMInstrInfo.td =================================================================== --- llvm/trunk/lib/Target/ARM/ARMInstrInfo.td +++ llvm/trunk/lib/Target/ARM/ARMInstrInfo.td @@ -215,6 +215,8 @@ AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">; def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">, AssemblerPredicate<"HasV8_1aOps", "armv8.1a">; +def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">, + AssemblerPredicate<"HasV8_2aOps", "armv8.2a">; def NoVFP : Predicate<"!Subtarget->hasVFP2()">; def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate<"FeatureVFP2", "VFP2">; @@ -234,7 +236,9 @@ def HasCRC : Predicate<"Subtarget->hasCRC()">, AssemblerPredicate<"FeatureCRC", "crc">; def HasFP16 : Predicate<"Subtarget->hasFP16()">, - AssemblerPredicate<"FeatureFP16","half-float">; + AssemblerPredicate<"FeatureFP16","half-float conversions">; +def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">, + AssemblerPredicate<"FeatureFullFP16","full half-float">; def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate<"FeatureHWDiv", "divide in THUMB">; def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">, Index: llvm/trunk/lib/Target/ARM/ARMSubtarget.h =================================================================== --- llvm/trunk/lib/Target/ARM/ARMSubtarget.h +++ llvm/trunk/lib/Target/ARM/ARMSubtarget.h @@ -77,6 +77,7 @@ bool HasV7Ops; bool HasV8Ops; bool HasV8_1aOps; + bool HasV8_2aOps; /// HasVFPv2, HasVFPv3, HasVFPv4, HasFPARMv8, HasNEON - Specify what /// floating point ISAs are supported. @@ -130,10 +131,12 @@ /// Thumb. bool SupportsTailCall; - /// HasFP16 - True if subtarget supports half-precision FP (We support VFP+HF - /// only so far) + /// HasFP16 - True if subtarget supports half-precision FP conversions bool HasFP16; + /// HasFullFP16 - True if subtarget supports half-precision FP operations + bool HasFullFP16; + /// HasD16 - True if subtarget is limited to 16 double precision /// FP registers for VFPv3. bool HasD16; @@ -309,6 +312,7 @@ bool hasV7Ops() const { return HasV7Ops; } bool hasV8Ops() const { return HasV8Ops; } bool hasV8_1aOps() const { return HasV8_1aOps; } + bool hasV8_2aOps() const { return HasV8_2aOps; } bool isCortexA5() const { return ARMProcFamily == CortexA5; } bool isCortexA7() const { return ARMProcFamily == CortexA7; } @@ -362,6 +366,7 @@ bool hasFP16() const { return HasFP16; } bool hasD16() const { return HasD16; } + bool hasFullFP16() const { return HasFullFP16; } const Triple &getTargetTriple() const { return TargetTriple; } Index: llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp =================================================================== --- llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp +++ llvm/trunk/lib/Target/ARM/ARMSubtarget.cpp @@ -112,6 +112,7 @@ HasV7Ops = false; HasV8Ops = false; HasV8_1aOps = false; + HasV8_2aOps = false; HasVFPv2 = false; HasVFPv3 = false; HasVFPv4 = false; @@ -130,6 +131,7 @@ NoMovt = false; SupportsTailCall = false; HasFP16 = false; + HasFullFP16 = false; HasD16 = false; HasHardwareDivide = false; HasHardwareDivideInARM = false;