diff options
Diffstat (limited to 'lib/Basic/Targets/X86.h')
-rw-r--r-- | lib/Basic/Targets/X86.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/Basic/Targets/X86.h b/lib/Basic/Targets/X86.h index 05930ae9ee..d7a87f8d7c 100644 --- a/lib/Basic/Targets/X86.h +++ b/lib/Basic/Targets/X86.h @@ -1,9 +1,8 @@ //===--- X86.h - Declare X86 target feature support -------------*- C++ -*-===// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -69,6 +68,7 @@ class LLVM_LIBRARY_VISIBILITY X86TargetInfo : public TargetInfo { bool HasAVX512CD = false; bool HasAVX512VPOPCNTDQ = false; bool HasAVX512VNNI = false; + bool HasAVX512BF16 = false; bool HasAVX512ER = false; bool HasAVX512PF = false; bool HasAVX512DQ = false; @@ -82,6 +82,7 @@ class LLVM_LIBRARY_VISIBILITY X86TargetInfo : public TargetInfo { bool HasMPX = false; bool HasSHSTK = false; bool HasSGX = false; + bool HasCX8 = false; bool HasCX16 = false; bool HasFXSR = false; bool HasXSAVE = false; @@ -122,8 +123,6 @@ protected: CPUKind getCPUKind(StringRef CPU) const; - std::string getCPUKindCanonicalName(CPUKind Kind) const; - enum FPMathKind { FP_Default, FP_SSE, FP_387 } FPMath = FP_Default; public: @@ -199,7 +198,7 @@ public: StringRef Expression) const override { StringRef::iterator I, E; for (I = Constraint.begin(), E = Constraint.end(); I != E; ++I) { - if (isalpha(*I)) + if (isalpha(*I) || *I == '@') break; } if (I == E) @@ -347,9 +346,8 @@ public: (1 << TargetInfo::LongDouble)); // x86-32 has atomics up to 8 bytes - // FIXME: Check that we actually have cmpxchg8b before setting - // MaxAtomicInlineWidth. (cmpxchg8b is an i586 instruction.) - MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64; + MaxAtomicPromoteWidth = 64; + MaxAtomicInlineWidth = 32; } BuiltinVaListKind getBuiltinVaListKind() const override { @@ -385,6 +383,11 @@ public: return X86TargetInfo::validateOperandSize(Constraint, Size); } + void setMaxAtomicWidth() override { + if (hasFeature("cx8")) + MaxAtomicInlineWidth = 64; + } + ArrayRef<Builtin::Info> getTargetBuiltins() const override; }; |