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-rw-r--r--vendor/golang.org/x/sys/cpu/cpu.go9
-rw-r--r--vendor/golang.org/x/sys/cpu/cpu_arm64.go10
-rw-r--r--vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go22
-rw-r--r--vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go2
4 files changed, 39 insertions, 4 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu.go b/vendor/golang.org/x/sys/cpu/cpu.go
index b4e6ecb2..e44deb75 100644
--- a/vendor/golang.org/x/sys/cpu/cpu.go
+++ b/vendor/golang.org/x/sys/cpu/cpu.go
@@ -114,6 +114,15 @@ var ARM struct {
_ CacheLinePad
}
+// MIPS64X contains the supported CPU features of the current mips64/mips64le
+// platforms. If the current platform is not mips64/mips64le or the current
+// operating system is not Linux then all feature flags are false.
+var MIPS64X struct {
+ _ CacheLinePad
+ HasMSA bool // MIPS SIMD architecture
+ _ CacheLinePad
+}
+
// PPC64 contains the supported CPU features of the current ppc64/ppc64le platforms.
// If the current platform is not ppc64/ppc64le then all feature flags are false.
//
diff --git a/vendor/golang.org/x/sys/cpu/cpu_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_arm64.go
index 6ac0b353..9c87677a 100644
--- a/vendor/golang.org/x/sys/cpu/cpu_arm64.go
+++ b/vendor/golang.org/x/sys/cpu/cpu_arm64.go
@@ -10,9 +10,13 @@ const cacheLineSize = 64
func init() {
switch runtime.GOOS {
- case "darwin":
- // iOS does not seem to allow reading these registers
- case "android", "linux":
+ case "android", "darwin":
+ // Android and iOS don't seem to allow reading these registers.
+ // Fake the minimal features expected by
+ // TestARM64minimalFeatures.
+ ARM64.HasASIMD = true
+ ARM64.HasFP = true
+ case "linux":
doinit()
default:
readARM64Registers()
diff --git a/vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go b/vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go
new file mode 100644
index 00000000..eb24e507
--- /dev/null
+++ b/vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go
@@ -0,0 +1,22 @@
+// Copyright 2020 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 mips64 mips64le
+
+package cpu
+
+// HWCAP bits. These are exposed by the Linux kernel 5.4.
+const (
+ // CPU features
+ hwcap_MIPS_MSA = 1 << 1
+)
+
+func doinit() {
+ // HWCAP feature bits
+ MIPS64X.HasMSA = isSet(hwCap, hwcap_MIPS_MSA)
+}
+
+func isSet(hwc uint, value uint) bool {
+ return hwc&value != 0
+}
diff --git a/vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go b/vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go
index f65134f6..42b5d33c 100644
--- a/vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go
+++ b/vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build linux,!arm,!arm64,!ppc64,!ppc64le,!s390x
+// +build linux,!arm,!arm64,!mips64,!mips64le,!ppc64,!ppc64le,!s390x
package cpu