diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/X86/X86.td | 7 | ||||
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 14 | ||||
-rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 32 | ||||
-rw-r--r-- | lib/Target/X86/X86Subtarget.h | 4 |
4 files changed, 5 insertions, 52 deletions
diff --git a/lib/Target/X86/X86.td b/lib/Target/X86/X86.td index 098fbcd..133ae70 100644 --- a/lib/Target/X86/X86.td +++ b/lib/Target/X86/X86.td @@ -104,8 +104,6 @@ def FeatureF16C : SubtargetFeature<"f16c", "HasF16C", "true", "Support 16-bit floating point conversion instructions">; def FeatureLZCNT : SubtargetFeature<"lzcnt", "HasLZCNT", "true", "Support LZCNT instruction">; -def FeatureBMI : SubtargetFeature<"bmi", "HasBMI", "true", - "Support BMI instructions">; //===----------------------------------------------------------------------===// // X86 processors supported. @@ -159,11 +157,6 @@ def : Proc<"corei7-avx", [FeatureSSE42, FeatureCMPXCHG16B, def : Proc<"core-avx-i", [FeatureSSE42, FeatureCMPXCHG16B, FeatureAES, FeatureCLMUL, FeatureRDRAND, FeatureF16C]>; -// Haswell -def : Proc<"core-avx2", [FeatureSSE42, FeatureCMPXCHG16B, FeatureAES, - FeatureCLMUL, FeatureRDRAND, FeatureF16C, - FeatureFMA3, FeatureMOVBE, FeatureLZCNT, - FeatureBMI]>; def : Proc<"k6", [FeatureMMX]>; def : Proc<"k6-2", [Feature3DNow]>; diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index f85c201..251064b 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -379,15 +379,11 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::FREM , MVT::f80 , Expand); setOperationAction(ISD::FLT_ROUNDS_ , MVT::i32 , Custom); - if (Subtarget->hasBMI()) { - setOperationAction(ISD::CTTZ , MVT::i8 , Promote); - } else { - setOperationAction(ISD::CTTZ , MVT::i8 , Custom); - setOperationAction(ISD::CTTZ , MVT::i16 , Custom); - setOperationAction(ISD::CTTZ , MVT::i32 , Custom); - if (Subtarget->is64Bit()) - setOperationAction(ISD::CTTZ , MVT::i64 , Custom); - } + setOperationAction(ISD::CTTZ , MVT::i8 , Custom); + setOperationAction(ISD::CTTZ , MVT::i16 , Custom); + setOperationAction(ISD::CTTZ , MVT::i32 , Custom); + if (Subtarget->is64Bit()) + setOperationAction(ISD::CTTZ , MVT::i64 , Custom); if (Subtarget->hasLZCNT()) { setOperationAction(ISD::CTLZ , MVT::i8 , Promote); diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 9296851..506931e 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -478,7 +478,6 @@ def HasMOVBE : Predicate<"Subtarget->hasMOVBE()">; def HasRDRAND : Predicate<"Subtarget->hasRDRAND()">; def HasF16C : Predicate<"Subtarget->hasF16C()">; def HasLZCNT : Predicate<"Subtarget->hasLZCNT()">; -def HasBMI : Predicate<"Subtarget->hasBMI()">; def FPStackf32 : Predicate<"!Subtarget->hasXMM()">; def FPStackf64 : Predicate<"!Subtarget->hasXMMInt()">; def HasCmpxchg16b: Predicate<"Subtarget->hasCmpxchg16b()">; @@ -1374,37 +1373,6 @@ let Predicates = [HasLZCNT], Defs = [EFLAGS] in { } //===----------------------------------------------------------------------===// -// BMI Instructions -// -let Predicates = [HasBMI], Defs = [EFLAGS] in { - def TZCNT16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), - "tzcnt{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (cttz GR16:$src)), (implicit EFLAGS)]>, XS, - OpSize; - def TZCNT16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), - "tzcnt{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, (cttz (loadi16 addr:$src))), - (implicit EFLAGS)]>, XS, OpSize; - - def TZCNT32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), - "tzcnt{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (cttz GR32:$src)), (implicit EFLAGS)]>, XS; - def TZCNT32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), - "tzcnt{l}\t{$src, $dst|$dst, $src}", - [(set GR32:$dst, (cttz (loadi32 addr:$src))), - (implicit EFLAGS)]>, XS; - - def TZCNT64rr : RI<0xBC, MRMSrcReg, (outs GR64:$dst), (ins GR64:$src), - "tzcnt{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (cttz GR64:$src)), (implicit EFLAGS)]>, - XS; - def TZCNT64rm : RI<0xBC, MRMSrcMem, (outs GR64:$dst), (ins i64mem:$src), - "tzcnt{q}\t{$src, $dst|$dst, $src}", - [(set GR64:$dst, (cttz (loadi64 addr:$src))), - (implicit EFLAGS)]>, XS; -} - -//===----------------------------------------------------------------------===// // Subsystems. //===----------------------------------------------------------------------===// diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h index 3258d3d..f67575a 100644 --- a/lib/Target/X86/X86Subtarget.h +++ b/lib/Target/X86/X86Subtarget.h @@ -102,9 +102,6 @@ protected: /// HasLZCNT - Processor has LZCNT instruction. bool HasLZCNT; - /// HasBMI - Processor has BMI1 instructions. - bool HasBMI; - /// IsBTMemSlow - True if BT (bit test) of memory instructions are slow. bool IsBTMemSlow; @@ -191,7 +188,6 @@ public: bool hasRDRAND() const { return HasRDRAND; } bool hasF16C() const { return HasF16C; } bool hasLZCNT() const { return HasLZCNT; } - bool hasBMI() const { return HasBMI; } bool isBTMemSlow() const { return IsBTMemSlow; } bool isUnalignedMemAccessFast() const { return IsUAMemFast; } bool hasVectorUAMem() const { return HasVectorUAMem; } |