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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2024-08-19 10:13:46 +0000
committerLibravatar GitHub <noreply@github.com>2024-08-19 10:13:46 +0000
commit6ff8376d96f094daacf62decf2ee7ff602c2d531 (patch)
tree0b0ad45951ef1aae841384fd550e01b44f4cba76 /vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go
parent[bugfix] permit unspecified orientation data (#3205) (diff)
downloadgotosocial-6ff8376d96f094daacf62decf2ee7ff602c2d531.tar.xz
[chore]: Bump github.com/prometheus/client_golang from 1.19.1 to 1.20.0 (#3210)
Diffstat (limited to 'vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go')
-rw-r--r--vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go b/vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go
new file mode 100644
index 000000000..3954c5121
--- /dev/null
+++ b/vendor/github.com/klauspost/compress/internal/cpuinfo/cpuinfo.go
@@ -0,0 +1,34 @@
+// Package cpuinfo gives runtime info about the current CPU.
+//
+// This is a very limited module meant for use internally
+// in this project. For more versatile solution check
+// https://github.com/klauspost/cpuid.
+package cpuinfo
+
+// HasBMI1 checks whether an x86 CPU supports the BMI1 extension.
+func HasBMI1() bool {
+ return hasBMI1
+}
+
+// HasBMI2 checks whether an x86 CPU supports the BMI2 extension.
+func HasBMI2() bool {
+ return hasBMI2
+}
+
+// DisableBMI2 will disable BMI2, for testing purposes.
+// Call returned function to restore previous state.
+func DisableBMI2() func() {
+ old := hasBMI2
+ hasBMI2 = false
+ return func() {
+ hasBMI2 = old
+ }
+}
+
+// HasBMI checks whether an x86 CPU supports both BMI1 and BMI2 extensions.
+func HasBMI() bool {
+ return HasBMI1() && HasBMI2()
+}
+
+var hasBMI1 bool
+var hasBMI2 bool