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-rw-r--r--lib/Target/X86/X86.td7
-rw-r--r--lib/Target/X86/X86ISelLowering.cpp14
-rw-r--r--lib/Target/X86/X86InstrInfo.td32
-rw-r--r--lib/Target/X86/X86Subtarget.h4
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; }