1 files changed, 0 insertions, 121 deletions
diff --git a/vendor/github.com/klauspost/cpuid/v2/os_darwin_arm64.go b/vendor/github.com/klauspost/cpuid/v2/os_darwin_arm64.go
deleted file mode 100644
index 84b1acd21..000000000
--- a/vendor/github.com/klauspost/cpuid/v2/os_darwin_arm64.go
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright (c) 2020 Klaus Post, released under MIT License. See LICENSE file.
-
-package cpuid
-
-import (
-	"runtime"
-	"strings"
-
-	"golang.org/x/sys/unix"
-)
-
-func detectOS(c *CPUInfo) bool {
-	if runtime.GOOS != "ios" {
-		tryToFillCPUInfoFomSysctl(c)
-	}
-	// There are no hw.optional sysctl values for the below features on Mac OS 11.0
-	// to detect their supported state dynamically. Assume the CPU features that
-	// Apple Silicon M1 supports to be available as a minimal set of features
-	// to all Go programs running on darwin/arm64.
-	// TODO: Add more if we know them.
-	c.featureSet.setIf(runtime.GOOS != "ios", AESARM, PMULL, SHA1, SHA2)
-
-	return true
-}
-
-func sysctlGetBool(name string) bool {
-	value, err := unix.SysctlUint32(name)
-	if err != nil {
-		return false
-	}
-	return value != 0
-}
-
-func sysctlGetString(name string) string {
-	value, err := unix.Sysctl(name)
-	if err != nil {
-		return ""
-	}
-	return value
-}
-
-func sysctlGetInt(unknown int, names ...string) int {
-	for _, name := range names {
-		value, err := unix.SysctlUint32(name)
-		if err != nil {
-			continue
-		}
-		if value != 0 {
-			return int(value)
-		}
-	}
-	return unknown
-}
-
-func sysctlGetInt64(unknown int, names ...string) int {
-	for _, name := range names {
-		value64, err := unix.SysctlUint64(name)
-		if err != nil {
-			continue
-		}
-		if int(value64) != unknown {
-			return int(value64)
-		}
-	}
-	return unknown
-}
-
-func setFeature(c *CPUInfo, name string, feature FeatureID) {
-	c.featureSet.setIf(sysctlGetBool(name), feature)
-}
-func tryToFillCPUInfoFomSysctl(c *CPUInfo) {
-	c.BrandName = sysctlGetString("machdep.cpu.brand_string")
-
-	if len(c.BrandName) != 0 {
-		c.VendorString = strings.Fields(c.BrandName)[0]
-	}
-
-	c.PhysicalCores = sysctlGetInt(runtime.NumCPU(), "hw.physicalcpu")
-	c.ThreadsPerCore = sysctlGetInt(1, "machdep.cpu.thread_count", "kern.num_threads") /
-		sysctlGetInt(1, "hw.physicalcpu")
-	c.LogicalCores = sysctlGetInt(runtime.NumCPU(), "machdep.cpu.core_count")
-	c.Family = sysctlGetInt(0, "machdep.cpu.family", "hw.cpufamily")
-	c.Model = sysctlGetInt(0, "machdep.cpu.model")
-	c.CacheLine = sysctlGetInt64(0, "hw.cachelinesize")
-	c.Cache.L1I = sysctlGetInt64(-1, "hw.l1icachesize")
-	c.Cache.L1D = sysctlGetInt64(-1, "hw.l1dcachesize")
-	c.Cache.L2 = sysctlGetInt64(-1, "hw.l2cachesize")
-	c.Cache.L3 = sysctlGetInt64(-1, "hw.l3cachesize")
-
-	// from https://developer.arm.com/downloads/-/exploration-tools/feature-names-for-a-profile
-	setFeature(c, "hw.optional.arm.FEAT_AES", AESARM)
-	setFeature(c, "hw.optional.AdvSIMD", ASIMD)
-	setFeature(c, "hw.optional.arm.FEAT_DotProd", ASIMDDP)
-	setFeature(c, "hw.optional.arm.FEAT_RDM", ASIMDRDM)
-	setFeature(c, "hw.optional.FEAT_CRC32", CRC32)
-	setFeature(c, "hw.optional.arm.FEAT_DPB", DCPOP)
-	// setFeature(c, "", EVTSTRM)
-	setFeature(c, "hw.optional.arm.FEAT_FCMA", FCMA)
-	setFeature(c, "hw.optional.arm.FEAT_FP", FP)
-	setFeature(c, "hw.optional.arm.FEAT_FP16", FPHP)
-	setFeature(c, "hw.optional.arm.FEAT_PAuth", GPA)
-	setFeature(c, "hw.optional.arm.FEAT_JSCVT", JSCVT)
-	setFeature(c, "hw.optional.arm.FEAT_LRCPC", LRCPC)
-	setFeature(c, "hw.optional.arm.FEAT_PMULL", PMULL)
-	setFeature(c, "hw.optional.arm.FEAT_SHA1", SHA1)
-	setFeature(c, "hw.optional.arm.FEAT_SHA256", SHA2)
-	setFeature(c, "hw.optional.arm.FEAT_SHA3", SHA3)
-	setFeature(c, "hw.optional.arm.FEAT_SHA512", SHA512)
-	// setFeature(c, "", SM3)
-	// setFeature(c, "", SM4)
-	setFeature(c, "hw.optional.arm.FEAT_SVE", SVE)
-
-	// from empirical observation
-	setFeature(c, "hw.optional.AdvSIMD_HPFPCvt", ASIMDHP)
-	setFeature(c, "hw.optional.armv8_1_atomics", ATOMICS)
-	setFeature(c, "hw.optional.floatingpoint", FP)
-	setFeature(c, "hw.optional.armv8_2_sha3", SHA3)
-	setFeature(c, "hw.optional.armv8_2_sha512", SHA512)
-	setFeature(c, "hw.optional.armv8_3_compnum", FCMA)
-	setFeature(c, "hw.optional.armv8_crc32", CRC32)
-}