[pkg] update vendor

20 files changed, 1215 insertions, 0 deletions

diff --git a/vendor/github.com/templexxx/cpu/.gitignore b/vendor/github.com/templexxx/cpu/.gitignore
new file mode 100644
index 0000000..f1c181e
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/.gitignore
@@ -0,0 +1,12 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
diff --git a/vendor/github.com/templexxx/cpu/LICENSE b/vendor/github.com/templexxx/cpu/LICENSE
new file mode 100644
index 0000000..dfa8f7b
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/LICENSE
@@ -0,0 +1,32 @@
+BSD 3-Clause License
+
+Copyright (c) 2018 Temple3x (temple3x@gmail.com)
+Copyright 2017 The Go Authors
+Copyright (c) 2015 Klaus Post
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/github.com/templexxx/cpu/README.md b/vendor/github.com/templexxx/cpu/README.md
new file mode 100644
index 0000000..50ccb9f
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/README.md
@@ -0,0 +1,23 @@
+# cpu
+internal/cpu(in Go standard lib) with these detections:
+
+>- AVX512
+>
+>- Cache Size
+>
+>- Invariant TSC
+>
+
+It also provides:
+
+>- False sharing range, see `X86FalseSharingRange` for X86 platform.
+>
+>- TSC frequency
+>
+>- Name
+>
+>- Family & Model
+
+# Acknowledgement
+
+[klauspost/cpuid](https://github.com/klauspost/cpuid)
\ No newline at end of file
diff --git a/vendor/github.com/templexxx/cpu/cpu.go b/vendor/github.com/templexxx/cpu/cpu.go
new file mode 100644
index 0000000..92295d9
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu.go
@@ -0,0 +1,234 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package cpu implements processor feature detection
+// used by the Go standard library.
+package cpu
+
+// debugOptions is set to true by the runtime if go was compiled with GOEXPERIMENT=debugcpu
+// and GOOS is Linux or Darwin. This variable is linknamed in runtime/proc.go.
+var debugOptions bool
+
+var X86 x86
+
+// "Loads data or instructions from memory to the second-level cache.
+// To use the streamer, organize the data or instructions in blocks of 128 bytes,
+// aligned on 128 bytes."
+// From <Intel® 64 and IA-32 architectures optimization reference manual>,
+// in section 3.7.3 "Hardware Prefetching for Second-Level Cache"
+//
+// In practice, I have found use 128bytes can gain better performance than 64bytes (one cache line).
+const X86FalseSharingRange = 128
+
+// The booleans in x86 contain the correspondingly named cpuid feature bit.
+// HasAVX and HasAVX2 are only set if the OS does support XMM and YMM registers
+// in addition to the cpuid feature bit being set.
+// The struct is padded to avoid false sharing.
+type x86 struct {
+	_            [X86FalseSharingRange]byte
+	HasAES       bool
+	HasADX       bool
+	HasAVX       bool
+	HasAVX2      bool
+	HasAVX512F   bool
+	HasAVX512DQ  bool
+	HasAVX512BW  bool
+	HasAVX512VL  bool
+	HasBMI1      bool
+	HasBMI2      bool
+	HasERMS      bool
+	HasFMA       bool
+	HasOSXSAVE   bool
+	HasPCLMULQDQ bool
+	HasPOPCNT    bool
+	HasSSE2      bool
+	HasSSE3      bool
+	HasSSSE3     bool
+	HasSSE41     bool
+	HasSSE42     bool
+	// The invariant TSC will run at a constant rate in all ACPI P-, C-, and T-states.
+	// This is the architectural behavior moving forward. On processors with
+	// invariant TSC support, the OS may use the TSC for wall clock timer services (instead of ACPI or HPET timers).
+	HasInvariantTSC bool
+
+	Cache Cache
+
+	// TSCFrequency only meaningful when HasInvariantTSC == true.
+	// Unit: Hz.
+	//
+	// Warn:
+	// 1. If it's 0, means can't get it. Don't use it.
+	// 2. Don't use it if you want "100%" precise timestamp.
+	TSCFrequency uint64
+
+	Name      string
+	Signature string // DisplayFamily_DisplayModel.
+	Family    uint32 // CPU family number.
+	Model     uint32 // CPU model number.
+
+	_ [X86FalseSharingRange]byte
+}
+
+// CPU Cache Size.
+// -1 if undetected.
+type Cache struct {
+	L1I int
+	L1D int
+	L2  int
+	L3  int
+}
+
+var PPC64 ppc64
+
+// For ppc64x, it is safe to check only for ISA level starting on ISA v3.00,
+// since there are no optional categories. There are some exceptions that also
+// require kernel support to work (darn, scv), so there are feature bits for
+// those as well. The minimum processor requirement is POWER8 (ISA 2.07), so we
+// maintain some of the old feature checks for optional categories for
+// safety.
+// The struct is padded to avoid false sharing.
+type ppc64 struct {
+	_          [CacheLineSize]byte
+	HasVMX     bool // Vector unit (Altivec)
+	HasDFP     bool // Decimal Floating Point unit
+	HasVSX     bool // Vector-scalar unit
+	HasHTM     bool // Hardware Transactional Memory
+	HasISEL    bool // Integer select
+	HasVCRYPTO bool // Vector cryptography
+	HasHTMNOSC bool // HTM: kernel-aborted transaction in syscalls
+	HasDARN    bool // Hardware random number generator (requires kernel enablement)
+	HasSCV     bool // Syscall vectored (requires kernel enablement)
+	IsPOWER8   bool // ISA v2.07 (POWER8)
+	IsPOWER9   bool // ISA v3.00 (POWER9)
+	_          [CacheLineSize]byte
+}
+
+var ARM64 arm64
+
+// The booleans in arm64 contain the correspondingly named cpu feature bit.
+// The struct is padded to avoid false sharing.
+type arm64 struct {
+	_           [CacheLineSize]byte
+	HasFP       bool
+	HasASIMD    bool
+	HasEVTSTRM  bool
+	HasAES      bool
+	HasPMULL    bool
+	HasSHA1     bool
+	HasSHA2     bool
+	HasCRC32    bool
+	HasATOMICS  bool
+	HasFPHP     bool
+	HasASIMDHP  bool
+	HasCPUID    bool
+	HasASIMDRDM bool
+	HasJSCVT    bool
+	HasFCMA     bool
+	HasLRCPC    bool
+	HasDCPOP    bool
+	HasSHA3     bool
+	HasSM3      bool
+	HasSM4      bool
+	HasASIMDDP  bool
+	HasSHA512   bool
+	HasSVE      bool
+	HasASIMDFHM bool
+	_           [CacheLineSize]byte
+}
+
+var S390X s390x
+
+type s390x struct {
+	_               [CacheLineSize]byte
+	HasZArch        bool // z architecture mode is active [mandatory]
+	HasSTFLE        bool // store facility list extended [mandatory]
+	HasLDisp        bool // long (20-bit) displacements [mandatory]
+	HasEImm         bool // 32-bit immediates [mandatory]
+	HasDFP          bool // decimal floating point
+	HasETF3Enhanced bool // ETF-3 enhanced
+	HasMSA          bool // message security assist (CPACF)
+	HasAES          bool // KM-AES{128,192,256} functions
+	HasAESCBC       bool // KMC-AES{128,192,256} functions
+	HasAESCTR       bool // KMCTR-AES{128,192,256} functions
+	HasAESGCM       bool // KMA-GCM-AES{128,192,256} functions
+	HasGHASH        bool // KIMD-GHASH function
+	HasSHA1         bool // K{I,L}MD-SHA-1 functions
+	HasSHA256       bool // K{I,L}MD-SHA-256 functions
+	HasSHA512       bool // K{I,L}MD-SHA-512 functions
+	HasVX           bool // vector facility. Note: the runtime sets this when it processes auxv records.
+	_               [CacheLineSize]byte
+}
+
+// initialize examines the processor and sets the relevant variables above.
+// This is called by the runtime package early in program initialization,
+// before normal init functions are run. env is set by runtime on Linux and Darwin
+// if go was compiled with GOEXPERIMENT=debugcpu.
+func init() {
+	doinit()
+	processOptions("")
+}
+
+// options contains the cpu debug options that can be used in GODEBUGCPU.
+// Options are arch dependent and are added by the arch specific doinit functions.
+// Features that are mandatory for the specific GOARCH should not be added to options
+// (e.g. SSE2 on amd64).
+var options []option
+
+// Option names should be lower case. e.g. avx instead of AVX.
+type option struct {
+	Name    string
+	Feature *bool
+}
+
+// processOptions disables CPU feature values based on the parsed env string.
+// The env string is expected to be of the form feature1=0,feature2=0...
+// where feature names is one of the architecture specifc list stored in the
+// cpu packages options variable. If env contains all=0 then all capabilities
+// referenced through the options variable are disabled. Other feature
+// names and values other than 0 are silently ignored.
+func processOptions(env string) {
+field:
+	for env != "" {
+		field := ""
+		i := indexByte(env, ',')
+		if i < 0 {
+			field, env = env, ""
+		} else {
+			field, env = env[:i], env[i+1:]
+		}
+		i = indexByte(field, '=')
+		if i < 0 {
+			continue
+		}
+		key, value := field[:i], field[i+1:]
+
+		// Only allow turning off CPU features by specifying '0'.
+		if value == "0" {
+			if key == "all" {
+				for _, v := range options {
+					*v.Feature = false
+				}
+				return
+			} else {
+				for _, v := range options {
+					if v.Name == key {
+						*v.Feature = false
+						continue field
+					}
+				}
+			}
+		}
+	}
+}
+
+// indexByte returns the index of the first instance of c in s,
+// or -1 if c is not present in s.
+func indexByte(s string, c byte) int {
+	for i := 0; i < len(s); i++ {
+		if s[i] == c {
+			return i
+		}
+	}
+	return -1
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_386.go b/vendor/github.com/templexxx/cpu/cpu_386.go
new file mode 100644
index 0000000..561c81f
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_386.go
@@ -0,0 +1,7 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const GOARCH = "386"
diff --git a/vendor/github.com/templexxx/cpu/cpu_amd64.go b/vendor/github.com/templexxx/cpu/cpu_amd64.go
new file mode 100644
index 0000000..9b00153
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_amd64.go
@@ -0,0 +1,7 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const GOARCH = "amd64"
diff --git a/vendor/github.com/templexxx/cpu/cpu_amd64p32.go b/vendor/github.com/templexxx/cpu/cpu_amd64p32.go
new file mode 100644
index 0000000..177b14e
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_amd64p32.go
@@ -0,0 +1,7 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const GOARCH = "amd64p32"
diff --git a/vendor/github.com/templexxx/cpu/cpu_arm.go b/vendor/github.com/templexxx/cpu/cpu_arm.go
new file mode 100644
index 0000000..078a6c3
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_arm.go
@@ -0,0 +1,7 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 32
diff --git a/vendor/github.com/templexxx/cpu/cpu_arm64.go b/vendor/github.com/templexxx/cpu/cpu_arm64.go
new file mode 100644
index 0000000..487ccf8
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_arm64.go
@@ -0,0 +1,102 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 64
+
+// arm64 doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2.
+// These are linknamed in runtime/os_linux_arm64.go and are initialized by
+// archauxv().
+var hwcap uint
+var hwcap2 uint
+
+// HWCAP/HWCAP2 bits. These are exposed by Linux.
+const (
+	hwcap_FP       = (1 << 0)
+	hwcap_ASIMD    = (1 << 1)
+	hwcap_EVTSTRM  = (1 << 2)
+	hwcap_AES      = (1 << 3)
+	hwcap_PMULL    = (1 << 4)
+	hwcap_SHA1     = (1 << 5)
+	hwcap_SHA2     = (1 << 6)
+	hwcap_CRC32    = (1 << 7)
+	hwcap_ATOMICS  = (1 << 8)
+	hwcap_FPHP     = (1 << 9)
+	hwcap_ASIMDHP  = (1 << 10)
+	hwcap_CPUID    = (1 << 11)
+	hwcap_ASIMDRDM = (1 << 12)
+	hwcap_JSCVT    = (1 << 13)
+	hwcap_FCMA     = (1 << 14)
+	hwcap_LRCPC    = (1 << 15)
+	hwcap_DCPOP    = (1 << 16)
+	hwcap_SHA3     = (1 << 17)
+	hwcap_SM3      = (1 << 18)
+	hwcap_SM4      = (1 << 19)
+	hwcap_ASIMDDP  = (1 << 20)
+	hwcap_SHA512   = (1 << 21)
+	hwcap_SVE      = (1 << 22)
+	hwcap_ASIMDFHM = (1 << 23)
+)
+
+func doinit() {
+	options = []option{
+		{"evtstrm", &ARM64.HasEVTSTRM},
+		{"aes", &ARM64.HasAES},
+		{"pmull", &ARM64.HasPMULL},
+		{"sha1", &ARM64.HasSHA1},
+		{"sha2", &ARM64.HasSHA2},
+		{"crc32", &ARM64.HasCRC32},
+		{"atomics", &ARM64.HasATOMICS},
+		{"fphp", &ARM64.HasFPHP},
+		{"asimdhp", &ARM64.HasASIMDHP},
+		{"cpuid", &ARM64.HasCPUID},
+		{"asimdrdm", &ARM64.HasASIMDRDM},
+		{"jscvt", &ARM64.HasJSCVT},
+		{"fcma", &ARM64.HasFCMA},
+		{"lrcpc", &ARM64.HasLRCPC},
+		{"dcpop", &ARM64.HasDCPOP},
+		{"sha3", &ARM64.HasSHA3},
+		{"sm3", &ARM64.HasSM3},
+		{"sm4", &ARM64.HasSM4},
+		{"asimddp", &ARM64.HasASIMDDP},
+		{"sha512", &ARM64.HasSHA512},
+		{"sve", &ARM64.HasSVE},
+		{"asimdfhm", &ARM64.HasASIMDFHM},
+
+		// These capabilities should always be enabled on arm64:
+		//  {"fp", &ARM64.HasFP},
+		//  {"asimd", &ARM64.HasASIMD},
+	}
+
+	// HWCAP feature bits
+	ARM64.HasFP = isSet(hwcap, hwcap_FP)
+	ARM64.HasASIMD = isSet(hwcap, hwcap_ASIMD)
+	ARM64.HasEVTSTRM = isSet(hwcap, hwcap_EVTSTRM)
+	ARM64.HasAES = isSet(hwcap, hwcap_AES)
+	ARM64.HasPMULL = isSet(hwcap, hwcap_PMULL)
+	ARM64.HasSHA1 = isSet(hwcap, hwcap_SHA1)
+	ARM64.HasSHA2 = isSet(hwcap, hwcap_SHA2)
+	ARM64.HasCRC32 = isSet(hwcap, hwcap_CRC32)
+	ARM64.HasATOMICS = isSet(hwcap, hwcap_ATOMICS)
+	ARM64.HasFPHP = isSet(hwcap, hwcap_FPHP)
+	ARM64.HasASIMDHP = isSet(hwcap, hwcap_ASIMDHP)
+	ARM64.HasCPUID = isSet(hwcap, hwcap_CPUID)
+	ARM64.HasASIMDRDM = isSet(hwcap, hwcap_ASIMDRDM)
+	ARM64.HasJSCVT = isSet(hwcap, hwcap_JSCVT)
+	ARM64.HasFCMA = isSet(hwcap, hwcap_FCMA)
+	ARM64.HasLRCPC = isSet(hwcap, hwcap_LRCPC)
+	ARM64.HasDCPOP = isSet(hwcap, hwcap_DCPOP)
+	ARM64.HasSHA3 = isSet(hwcap, hwcap_SHA3)
+	ARM64.HasSM3 = isSet(hwcap, hwcap_SM3)
+	ARM64.HasSM4 = isSet(hwcap, hwcap_SM4)
+	ARM64.HasASIMDDP = isSet(hwcap, hwcap_ASIMDDP)
+	ARM64.HasSHA512 = isSet(hwcap, hwcap_SHA512)
+	ARM64.HasSVE = isSet(hwcap, hwcap_SVE)
+	ARM64.HasASIMDFHM = isSet(hwcap, hwcap_ASIMDFHM)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_mips.go b/vendor/github.com/templexxx/cpu/cpu_mips.go
new file mode 100644
index 0000000..078a6c3
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_mips.go
@@ -0,0 +1,7 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 32
diff --git a/vendor/github.com/templexxx/cpu/cpu_mips64.go b/vendor/github.com/templexxx/cpu/cpu_mips64.go
new file mode 100644
index 0000000..078a6c3
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_mips64.go
@@ -0,0 +1,7 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 32
diff --git a/vendor/github.com/templexxx/cpu/cpu_mips64le.go b/vendor/github.com/templexxx/cpu/cpu_mips64le.go
new file mode 100644
index 0000000..078a6c3
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_mips64le.go
@@ -0,0 +1,7 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 32
diff --git a/vendor/github.com/templexxx/cpu/cpu_mipsle.go b/vendor/github.com/templexxx/cpu/cpu_mipsle.go
new file mode 100644
index 0000000..078a6c3
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_mipsle.go
@@ -0,0 +1,7 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 32
diff --git a/vendor/github.com/templexxx/cpu/cpu_no_init.go b/vendor/github.com/templexxx/cpu/cpu_no_init.go
new file mode 100644
index 0000000..1be4f29
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_no_init.go
@@ -0,0 +1,16 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !386
+// +build !amd64
+// +build !amd64p32
+// +build !arm64
+// +build !ppc64
+// +build !ppc64le
+// +build !s390x
+
+package cpu
+
+func doinit() {
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_ppc64x.go b/vendor/github.com/templexxx/cpu/cpu_ppc64x.go
new file mode 100644
index 0000000..995cf02
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_ppc64x.go
@@ -0,0 +1,68 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ppc64 ppc64le
+
+package cpu
+
+const CacheLineSize = 128
+
+// ppc64x doesn't have a 'cpuid' equivalent, so we rely on HWCAP/HWCAP2.
+// These are linknamed in runtime/os_linux_ppc64x.go and are initialized by
+// archauxv().
+var hwcap uint
+var hwcap2 uint
+
+// HWCAP/HWCAP2 bits. These are exposed by the kernel.
+const (
+	// ISA Level
+	_PPC_FEATURE2_ARCH_2_07 = 0x80000000
+	_PPC_FEATURE2_ARCH_3_00 = 0x00800000
+
+	// CPU features
+	_PPC_FEATURE_HAS_ALTIVEC     = 0x10000000
+	_PPC_FEATURE_HAS_DFP         = 0x00000400
+	_PPC_FEATURE_HAS_VSX         = 0x00000080
+	_PPC_FEATURE2_HAS_HTM        = 0x40000000
+	_PPC_FEATURE2_HAS_ISEL       = 0x08000000
+	_PPC_FEATURE2_HAS_VEC_CRYPTO = 0x02000000
+	_PPC_FEATURE2_HTM_NOSC       = 0x01000000
+	_PPC_FEATURE2_DARN           = 0x00200000
+	_PPC_FEATURE2_SCV            = 0x00100000
+)
+
+func doinit() {
+	options = []option{
+		{"htm", &PPC64.HasHTM},
+		{"htmnosc", &PPC64.HasHTMNOSC},
+		{"darn", &PPC64.HasDARN},
+		{"scv", &PPC64.HasSCV},
+
+		// These capabilities should always be enabled on ppc64 and ppc64le:
+		//  {"vmx", &PPC64.HasVMX},
+		//  {"dfp", &PPC64.HasDFP},
+		//  {"vsx", &PPC64.HasVSX},
+		//  {"isel", &PPC64.HasISEL},
+		//  {"vcrypto", &PPC64.HasVCRYPTO},
+	}
+
+	// HWCAP feature bits
+	PPC64.HasVMX = isSet(hwcap, _PPC_FEATURE_HAS_ALTIVEC)
+	PPC64.HasDFP = isSet(hwcap, _PPC_FEATURE_HAS_DFP)
+	PPC64.HasVSX = isSet(hwcap, _PPC_FEATURE_HAS_VSX)
+
+	// HWCAP2 feature bits
+	PPC64.IsPOWER8 = isSet(hwcap2, _PPC_FEATURE2_ARCH_2_07)
+	PPC64.HasHTM = isSet(hwcap2, _PPC_FEATURE2_HAS_HTM)
+	PPC64.HasISEL = isSet(hwcap2, _PPC_FEATURE2_HAS_ISEL)
+	PPC64.HasVCRYPTO = isSet(hwcap2, _PPC_FEATURE2_HAS_VEC_CRYPTO)
+	PPC64.HasHTMNOSC = isSet(hwcap2, _PPC_FEATURE2_HTM_NOSC)
+	PPC64.IsPOWER9 = isSet(hwcap2, _PPC_FEATURE2_ARCH_3_00)
+	PPC64.HasDARN = isSet(hwcap2, _PPC_FEATURE2_DARN)
+	PPC64.HasSCV = isSet(hwcap2, _PPC_FEATURE2_SCV)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_s390x.go b/vendor/github.com/templexxx/cpu/cpu_s390x.go
new file mode 100644
index 0000000..389a058
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_s390x.go
@@ -0,0 +1,153 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 256
+
+// bitIsSet reports whether the bit at index is set. The bit index
+// is in big endian order, so bit index 0 is the leftmost bit.
+func bitIsSet(bits []uint64, index uint) bool {
+	return bits[index/64]&((1<<63)>>(index%64)) != 0
+}
+
+// function is the function code for the named function.
+type function uint8
+
+const (
+	// KM{,A,C,CTR} function codes
+	aes128 function = 18 // AES-128
+	aes192          = 19 // AES-192
+	aes256          = 20 // AES-256
+
+	// K{I,L}MD function codes
+	sha1   = 1 // SHA-1
+	sha256 = 2 // SHA-256
+	sha512 = 3 // SHA-512
+
+	// KLMD function codes
+	ghash = 65 // GHASH
+)
+
+// queryResult contains the result of a Query function
+// call. Bits are numbered in big endian order so the
+// leftmost bit (the MSB) is at index 0.
+type queryResult struct {
+	bits [2]uint64
+}
+
+// Has reports whether the given functions are present.
+func (q *queryResult) Has(fns ...function) bool {
+	if len(fns) == 0 {
+		panic("no function codes provided")
+	}
+	for _, f := range fns {
+		if !bitIsSet(q.bits[:], uint(f)) {
+			return false
+		}
+	}
+	return true
+}
+
+// facility is a bit index for the named facility.
+type facility uint8
+
+const (
+	// mandatory facilities
+	zarch  facility = 1  // z architecture mode is active
+	stflef          = 7  // store-facility-list-extended
+	ldisp           = 18 // long-displacement
+	eimm            = 21 // extended-immediate
+
+	// miscellaneous facilities
+	dfp    = 42 // decimal-floating-point
+	etf3eh = 30 // extended-translation 3 enhancement
+
+	// cryptography facilities
+	msa  = 17  // message-security-assist
+	msa3 = 76  // message-security-assist extension 3
+	msa4 = 77  // message-security-assist extension 4
+	msa5 = 57  // message-security-assist extension 5
+	msa8 = 146 // message-security-assist extension 8
+
+	// Note: vx and highgprs are excluded because they require
+	// kernel support and so must be fetched from HWCAP.
+)
+
+// facilityList contains the result of an STFLE call.
+// Bits are numbered in big endian order so the
+// leftmost bit (the MSB) is at index 0.
+type facilityList struct {
+	bits [4]uint64
+}
+
+// Has reports whether the given facilities are present.
+func (s *facilityList) Has(fs ...facility) bool {
+	if len(fs) == 0 {
+		panic("no facility bits provided")
+	}
+	for _, f := range fs {
+		if !bitIsSet(s.bits[:], uint(f)) {
+			return false
+		}
+	}
+	return true
+}
+
+// The following feature detection functions are defined in cpu_s390x.s.
+// They are likely to be expensive to call so the results should be cached.
+func stfle() facilityList
+func kmQuery() queryResult
+func kmcQuery() queryResult
+func kmctrQuery() queryResult
+func kmaQuery() queryResult
+func kimdQuery() queryResult
+func klmdQuery() queryResult
+
+func doinit() {
+	options = []option{
+		{"zarch", &S390X.HasZArch},
+		{"stfle", &S390X.HasSTFLE},
+		{"ldisp", &S390X.HasLDisp},
+		{"msa", &S390X.HasMSA},
+		{"eimm", &S390X.HasEImm},
+		{"dfp", &S390X.HasDFP},
+		{"etf3eh", &S390X.HasETF3Enhanced},
+		{"vx", &S390X.HasVX},
+	}
+
+	aes := []function{aes128, aes192, aes256}
+	facilities := stfle()
+
+	S390X.HasZArch = facilities.Has(zarch)
+	S390X.HasSTFLE = facilities.Has(stflef)
+	S390X.HasLDisp = facilities.Has(ldisp)
+	S390X.HasEImm = facilities.Has(eimm)
+	S390X.HasDFP = facilities.Has(dfp)
+	S390X.HasETF3Enhanced = facilities.Has(etf3eh)
+	S390X.HasMSA = facilities.Has(msa)
+
+	if S390X.HasMSA {
+		// cipher message
+		km, kmc := kmQuery(), kmcQuery()
+		S390X.HasAES = km.Has(aes...)
+		S390X.HasAESCBC = kmc.Has(aes...)
+		if facilities.Has(msa4) {
+			kmctr := kmctrQuery()
+			S390X.HasAESCTR = kmctr.Has(aes...)
+		}
+		if facilities.Has(msa8) {
+			kma := kmaQuery()
+			S390X.HasAESGCM = kma.Has(aes...)
+		}
+
+		// compute message digest
+		kimd := kimdQuery() // intermediate (no padding)
+		klmd := klmdQuery() // last (padding)
+		S390X.HasSHA1 = kimd.Has(sha1) && klmd.Has(sha1)
+		S390X.HasSHA256 = kimd.Has(sha256) && klmd.Has(sha256)
+		S390X.HasSHA512 = kimd.Has(sha512) && klmd.Has(sha512)
+		S390X.HasGHASH = kimd.Has(ghash) // KLMD-GHASH does not exist
+	}
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_s390x.s b/vendor/github.com/templexxx/cpu/cpu_s390x.s
new file mode 100644
index 0000000..9678035
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_s390x.s
@@ -0,0 +1,55 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "textflag.h"
+
+// func stfle() facilityList
+TEXT ·stfle(SB), NOSPLIT|NOFRAME, $0-32
+	MOVD $ret+0(FP), R1
+	MOVD $3, R0          // last doubleword index to store
+	XC   $32, (R1), (R1) // clear 4 doublewords (32 bytes)
+	WORD $0xb2b01000     // store facility list extended (STFLE)
+	RET
+
+// func kmQuery() queryResult
+TEXT ·kmQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KM-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xB92E0024    // cipher message (KM)
+	RET
+
+// func kmcQuery() queryResult
+TEXT ·kmcQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KMC-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xB92F0024    // cipher message with chaining (KMC)
+	RET
+
+// func kmctrQuery() queryResult
+TEXT ·kmctrQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KMCTR-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xB92D4024    // cipher message with counter (KMCTR)
+	RET
+
+// func kmaQuery() queryResult
+TEXT ·kmaQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KMA-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xb9296024    // cipher message with authentication (KMA)
+	RET
+
+// func kimdQuery() queryResult
+TEXT ·kimdQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KIMD-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xB93E0024    // compute intermediate message digest (KIMD)
+	RET
+
+// func klmdQuery() queryResult
+TEXT ·klmdQuery(SB), NOSPLIT|NOFRAME, $0-16
+	MOVD $0, R0         // set function code to 0 (KLMD-Query)
+	MOVD $ret+0(FP), R1 // address of 16-byte return value
+	WORD $0xB93F0024    // compute last message digest (KLMD)
+	RET
diff --git a/vendor/github.com/templexxx/cpu/cpu_wasm.go b/vendor/github.com/templexxx/cpu/cpu_wasm.go
new file mode 100644
index 0000000..1107a7a
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_wasm.go
@@ -0,0 +1,7 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const CacheLineSize = 64
diff --git a/vendor/github.com/templexxx/cpu/cpu_x86.go b/vendor/github.com/templexxx/cpu/cpu_x86.go
new file mode 100644
index 0000000..313a29a
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_x86.go
@@ -0,0 +1,425 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build 386 amd64 amd64p32
+
+package cpu
+
+import (
+	"fmt"
+	"strings"
+)
+
+const CacheLineSize = 64
+
+// cpuid is implemented in cpu_x86.s.
+func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
+
+// xgetbv with ecx = 0 is implemented in cpu_x86.s.
+func xgetbv() (eax, edx uint32)
+
+const (
+	// edx bits
+	cpuid_SSE2 = 1 << 26
+
+	// ecx bits
+	cpuid_SSE3      = 1 << 0
+	cpuid_PCLMULQDQ = 1 << 1
+	cpuid_SSSE3     = 1 << 9
+	cpuid_FMA       = 1 << 12
+	cpuid_SSE41     = 1 << 19
+	cpuid_SSE42     = 1 << 20
+	cpuid_POPCNT    = 1 << 23
+	cpuid_AES       = 1 << 25
+	cpuid_OSXSAVE   = 1 << 27
+	cpuid_AVX       = 1 << 28
+
+	// ebx bits
+	cpuid_BMI1     = 1 << 3
+	cpuid_AVX2     = 1 << 5
+	cpuid_BMI2     = 1 << 8
+	cpuid_ERMS     = 1 << 9
+	cpuid_ADX      = 1 << 19
+	cpuid_AVX512F  = 1 << 16
+	cpuid_AVX512DQ = 1 << 17
+	cpuid_AVX512BW = 1 << 30
+	cpuid_AVX512VL = 1 << 31
+
+	// edx bits
+	cpuid_Invariant_TSC = 1 << 8
+)
+
+func doinit() {
+	options = []option{
+		{"adx", &X86.HasADX},
+		{"aes", &X86.HasAES},
+		{"avx", &X86.HasAVX},
+		{"avx2", &X86.HasAVX2},
+		{"bmi1", &X86.HasBMI1},
+		{"bmi2", &X86.HasBMI2},
+		{"erms", &X86.HasERMS},
+		{"fma", &X86.HasFMA},
+		{"pclmulqdq", &X86.HasPCLMULQDQ},
+		{"popcnt", &X86.HasPOPCNT},
+		{"sse3", &X86.HasSSE3},
+		{"sse41", &X86.HasSSE41},
+		{"sse42", &X86.HasSSE42},
+		{"ssse3", &X86.HasSSSE3},
+		{"avx512f", &X86.HasAVX512F},
+		{"avx512dq", &X86.HasAVX512DQ},
+		{"avx512bw", &X86.HasAVX512BW},
+		{"avx512vl", &X86.HasAVX512VL},
+		{"invariant_tsc", &X86.HasInvariantTSC},
+
+		// sse2 set as last element so it can easily be removed again. See code below.
+		{"sse2", &X86.HasSSE2},
+	}
+
+	// Remove sse2 from options on amd64(p32) because SSE2 is a mandatory feature for these GOARCHs.
+	if GOARCH == "amd64" || GOARCH == "amd64p32" {
+		options = options[:len(options)-1]
+	}
+
+	maxID, _, _, _ := cpuid(0, 0)
+
+	if maxID < 1 {
+		return
+	}
+
+	_, _, ecx1, edx1 := cpuid(1, 0)
+	X86.HasSSE2 = isSet(edx1, cpuid_SSE2)
+
+	X86.HasSSE3 = isSet(ecx1, cpuid_SSE3)
+	X86.HasPCLMULQDQ = isSet(ecx1, cpuid_PCLMULQDQ)
+	X86.HasSSSE3 = isSet(ecx1, cpuid_SSSE3)
+	X86.HasFMA = isSet(ecx1, cpuid_FMA)
+	X86.HasSSE41 = isSet(ecx1, cpuid_SSE41)
+	X86.HasSSE42 = isSet(ecx1, cpuid_SSE42)
+	X86.HasPOPCNT = isSet(ecx1, cpuid_POPCNT)
+	X86.HasAES = isSet(ecx1, cpuid_AES)
+	X86.HasOSXSAVE = isSet(ecx1, cpuid_OSXSAVE)
+
+	osSupportsAVX := false
+	osSupportsAVX512 := false
+	// For XGETBV, OSXSAVE bit is required and sufficient.
+	if X86.HasOSXSAVE {
+		eax, _ := xgetbv()
+		// Check if XMM and YMM registers have OS support.
+		osSupportsAVX = isSet(eax, 1<<1) && isSet(eax, 1<<2)
+		// Check is ZMM registers have OS support.
+		osSupportsAVX512 = isSet(eax>>5, 7) && isSet(eax>>1, 3)
+	}
+
+	X86.HasAVX = isSet(ecx1, cpuid_AVX) && osSupportsAVX
+
+	if maxID < 7 {
+		return
+	}
+
+	_, ebx7, _, _ := cpuid(7, 0)
+	X86.HasBMI1 = isSet(ebx7, cpuid_BMI1)
+	X86.HasAVX2 = isSet(ebx7, cpuid_AVX2) && osSupportsAVX
+	X86.HasAVX512F = isSet(ebx7, cpuid_AVX512F) && osSupportsAVX512
+	X86.HasAVX512DQ = isSet(ebx7, cpuid_AVX512DQ) && osSupportsAVX512
+	X86.HasAVX512BW = isSet(ebx7, cpuid_AVX512BW) && osSupportsAVX512
+	X86.HasAVX512VL = isSet(ebx7, cpuid_AVX512VL) && osSupportsAVX512
+	X86.HasBMI2 = isSet(ebx7, cpuid_BMI2)
+	X86.HasERMS = isSet(ebx7, cpuid_ERMS)
+	X86.HasADX = isSet(ebx7, cpuid_ADX)
+
+	X86.Cache = getCacheSize()
+
+	X86.HasInvariantTSC = hasInvariantTSC()
+
+	X86.Family, X86.Model = getFamilyModel()
+
+	X86.Signature = makeSignature(X86.Family, X86.Model)
+
+	X86.Name = getName()
+
+	X86.TSCFrequency = getNativeTSCFrequency(X86.Name, X86.Signature)
+}
+
+func isSet(hwc uint32, value uint32) bool {
+	return hwc&value != 0
+}
+
+func hasInvariantTSC() bool {
+	if maxExtendedFunction() < 0x80000007 {
+		return false
+	}
+	_, _, _, edx := cpuid(0x80000007, 0)
+	return isSet(edx, cpuid_Invariant_TSC)
+}
+
+func getName() string {
+	if maxExtendedFunction() >= 0x80000004 {
+		v := make([]uint32, 0, 48)
+		for i := uint32(0); i < 3; i++ {
+			a, b, c, d := cpuid(0x80000002+i, 0)
+			v = append(v, a, b, c, d)
+		}
+		return strings.Trim(string(valAsString(v...)), " ")
+	}
+	return "unknown"
+}
+
+// getNativeTSCFrequency gets TSC frequency from CPUID,
+// only supports Intel (Skylake or later microarchitecture) & key information is from Intel manual & kernel codes
+// (especially this commit: https://github.com/torvalds/linux/commit/604dc9170f2435d27da5039a3efd757dceadc684).
+func getNativeTSCFrequency(name, sign string) uint64 {
+
+	if vendorID() != Intel {
+		return 0
+	}
+
+	if maxFunctionID() < 0x15 {
+		return 0
+	}
+
+	// ApolloLake, GeminiLake, CannonLake (and presumably all new chipsets
+	// from this point) report the crystal frequency directly via CPUID.0x15.
+	// That's definitive data that we can rely upon.
+	eax, ebx, ecx, _ := cpuid(0x15, 0)
+
+	// If ebx is 0, the TSC/”core crystal clock” ratio is not enumerated.
+	// We won't provide TSC frequency detection in this situation.
+	if eax == 0 || ebx == 0 {
+		return 0
+	}
+
+	// Skylake, Kabylake and all variants of those two chipsets report a
+	// crystal frequency of zero.
+	if ecx == 0 { // Crystal clock frequency is not enumerated.
+		ecx = getCrystalClockFrequency(sign)
+	}
+
+	// TSC frequency = “core crystal clock frequency” * EBX/EAX.
+	return uint64(ecx) * (uint64(ebx) / uint64(eax))
+}
+
+// Copied from: CPUID Signature values of DisplayFamily and DisplayModel,
+// in Intel® 64 and IA-32 Architectures Software Developer’s Manual
+// Volume 4: Model-Specific Registers
+// & https://github.com/torvalds/linux/blob/master/arch/x86/include/asm/intel-family.h
+const (
+	IntelFam6SkylakeL  = "06_4EH"
+	IntelFam6Skylake   = "06_5EH"
+	IntelFam6SkylakeX  = "06_55H"
+	IntelFam6KabylakeL = "06_8EH"
+	IntelFam6Kabylake  = "06_9EH"
+)
+
+// getCrystalClockFrequency gets crystal clock frequency
+// for Intel processors in which CPUID.15H.EBX[31:0] ÷ CPUID.0x15.EAX[31:0] is enumerated
+// but CPUID.15H.ECX is not enumerated using this function to get nominal core crystal clock frequency.
+//
+// Actually these crystal clock frequencies provided by Intel hardcoded tables are not so accurate in some cases,
+// e.g. SkyLake server CPU may have issue (All SKX subject the crystal to an EMI reduction circuit that
+//reduces its actual frequency by (approximately) -0.25%):
+// see https://lore.kernel.org/lkml/ff6dcea166e8ff8f2f6a03c17beab2cb436aa779.1513920414.git.len.brown@intel.com/
+// for more details.
+// With this report, I set a coefficient (0.9975) for IntelFam6SkyLakeX.
+//
+// Unlike the kernel way (mentioned in https://github.com/torvalds/linux/commit/604dc9170f2435d27da5039a3efd757dceadc684),
+// I prefer the Intel hardcoded tables,
+// because after some testing (comparing with wall clock, see https://github.com/templexxx/tsc/tsc_test.go for more details),
+// I found hardcoded tables are more accurate.
+func getCrystalClockFrequency(sign string) uint32 {
+
+	if maxFunctionID() < 0x16 {
+		return 0
+	}
+
+	switch sign {
+	case IntelFam6SkylakeL:
+		return 24 * 1000 * 1000
+	case IntelFam6Skylake:
+		return 24 * 1000 * 1000
+	case IntelFam6SkylakeX:
+		return 25 * 1000 * 1000 * 0.9975
+	case IntelFam6KabylakeL:
+		return 24 * 1000 * 1000
+	case IntelFam6Kabylake:
+		return 24 * 1000 * 1000
+	}
+
+	return 0
+}
+
+func getFamilyModel() (uint32, uint32) {
+	if maxFunctionID() < 0x1 {
+		return 0, 0
+	}
+	eax, _, _, _ := cpuid(1, 0)
+	family := (eax >> 8) & 0xf
+	displayFamily := family
+	if family == 0xf {
+		displayFamily = ((eax >> 20) & 0xff) + family
+	}
+	model := (eax >> 4) & 0xf
+	displayModel := model
+	if family == 0x6 || family == 0xf {
+		displayModel = ((eax >> 12) & 0xf0) + model
+	}
+	return displayFamily, displayModel
+}
+
+// signature format: XX_XXH
+func makeSignature(family, model uint32) string {
+	signature := strings.ToUpper(fmt.Sprintf("0%x_0%xH", family, model))
+	ss := strings.Split(signature, "_")
+	for i, s := range ss {
+		// Maybe insert too more `0`, drop it.
+		if len(s) > 2 {
+			s = s[1:]
+			ss[i] = s
+		}
+	}
+	return strings.Join(ss, "_")
+}
+
+// getCacheSize is from
+// https://github.com/klauspost/cpuid/blob/5a626f7029c910cc8329dae5405ee4f65034bce5/cpuid.go#L723
+func getCacheSize() Cache {
+	c := Cache{
+		L1I: -1,
+		L1D: -1,
+		L2:  -1,
+		L3:  -1,
+	}
+
+	vendor := vendorID()
+	switch vendor {
+	case Intel:
+		if maxFunctionID() < 4 {
+			return c
+		}
+		for i := uint32(0); ; i++ {
+			eax, ebx, ecx, _ := cpuid(4, i)
+			cacheType := eax & 15
+			if cacheType == 0 {
+				break
+			}
+			cacheLevel := (eax >> 5) & 7
+			coherency := int(ebx&0xfff) + 1
+			partitions := int((ebx>>12)&0x3ff) + 1
+			associativity := int((ebx>>22)&0x3ff) + 1
+			sets := int(ecx) + 1
+			size := associativity * partitions * coherency * sets
+			switch cacheLevel {
+			case 1:
+				if cacheType == 1 {
+					// 1 = Data Cache
+					c.L1D = size
+				} else if cacheType == 2 {
+					// 2 = Instruction Cache
+					c.L1I = size
+				} else {
+					if c.L1D < 0 {
+						c.L1I = size
+					}
+					if c.L1I < 0 {
+						c.L1I = size
+					}
+				}
+			case 2:
+				c.L2 = size
+			case 3:
+				c.L3 = size
+			}
+		}
+	case AMD, Hygon:
+		// Untested.
+		if maxExtendedFunction() < 0x80000005 {
+			return c
+		}
+		_, _, ecx, edx := cpuid(0x80000005, 0)
+		c.L1D = int(((ecx >> 24) & 0xFF) * 1024)
+		c.L1I = int(((edx >> 24) & 0xFF) * 1024)
+
+		if maxExtendedFunction() < 0x80000006 {
+			return c
+		}
+		_, _, ecx, _ = cpuid(0x80000006, 0)
+		c.L2 = int(((ecx >> 16) & 0xFFFF) * 1024)
+	}
+
+	return c
+}
+
+func maxFunctionID() uint32 {
+	a, _, _, _ := cpuid(0, 0)
+	return a
+}
+
+func maxExtendedFunction() uint32 {
+	eax, _, _, _ := cpuid(0x80000000, 0)
+	return eax
+}
+
+const (
+	Other = iota
+	Intel
+	AMD
+	VIA
+	Transmeta
+	NSC
+	KVM  // Kernel-based Virtual Machine
+	MSVM // Microsoft Hyper-V or Windows Virtual PC
+	VMware
+	XenHVM
+	Bhyve
+	Hygon
+)
+
+// Except from http://en.wikipedia.org/wiki/CPUID#EAX.3D0:_Get_vendor_ID
+var vendorMapping = map[string]int{
+	"AMDisbetter!": AMD,
+	"AuthenticAMD": AMD,
+	"CentaurHauls": VIA,
+	"GenuineIntel": Intel,
+	"TransmetaCPU": Transmeta,
+	"GenuineTMx86": Transmeta,
+	"Geode by NSC": NSC,
+	"VIA VIA VIA ": VIA,
+	"KVMKVMKVMKVM": KVM,
+	"Microsoft Hv": MSVM,
+	"VMwareVMware": VMware,
+	"XenVMMXenVMM": XenHVM,
+	"bhyve bhyve ": Bhyve,
+	"HygonGenuine": Hygon,
+}
+
+func vendorID() int {
+	_, b, c, d := cpuid(0, 0)
+	v := valAsString(b, d, c)
+	vend, ok := vendorMapping[string(v)]
+	if !ok {
+		return Other
+	}
+	return vend
+}
+
+func valAsString(values ...uint32) []byte {
+	r := make([]byte, 4*len(values))
+	for i, v := range values {
+		dst := r[i*4:]
+		dst[0] = byte(v & 0xff)
+		dst[1] = byte((v >> 8) & 0xff)
+		dst[2] = byte((v >> 16) & 0xff)
+		dst[3] = byte((v >> 24) & 0xff)
+		switch {
+		case dst[0] == 0:
+			return r[:i*4]
+		case dst[1] == 0:
+			return r[:i*4+1]
+		case dst[2] == 0:
+			return r[:i*4+2]
+		case dst[3] == 0:
+			return r[:i*4+3]
+		}
+	}
+	return r
+}
diff --git a/vendor/github.com/templexxx/cpu/cpu_x86.s b/vendor/github.com/templexxx/cpu/cpu_x86.s
new file mode 100644
index 0000000..228fbcf
--- /dev/null
+++ b/vendor/github.com/templexxx/cpu/cpu_x86.s
@@ -0,0 +1,32 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build 386 amd64 amd64p32
+
+#include "textflag.h"
+
+// func cpuid(eaxArg, ecxArg uint32) (eax, ebx, ecx, edx uint32)
+TEXT ·cpuid(SB), NOSPLIT, $0-24
+	MOVL eaxArg+0(FP), AX
+	MOVL ecxArg+4(FP), CX
+	CPUID
+	MOVL AX, eax+8(FP)
+	MOVL BX, ebx+12(FP)
+	MOVL CX, ecx+16(FP)
+	MOVL DX, edx+20(FP)
+	RET
+
+// func xgetbv() (eax, edx uint32)
+TEXT ·xgetbv(SB),NOSPLIT,$0-8
+#ifdef GOOS_nacl
+	// nacl does not support XGETBV.
+	MOVL $0, eax+0(FP)
+	MOVL $0, edx+4(FP)
+#else
+	MOVL $0, CX
+	XGETBV
+	MOVL AX, eax+0(FP)
+	MOVL DX, edx+4(FP)
+#endif
+	RET