diff options
Diffstat (limited to 'vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go')
| -rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go b/vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go index fa7fb1bd7..79a38a0b9 100644 --- a/vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go +++ b/vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go @@ -4,8 +4,6 @@ package cpu -const cacheLineSize = 64 - // HWCAP/HWCAP2 bits. These are exposed by Linux. const ( hwcap_FP = 1 << 0 @@ -35,6 +33,12 @@ const ( ) func doinit() { + if err := readHWCAP(); err != nil { + // failed to read /proc/self/auxv, try reading registers directly + readARM64Registers() + return + } + // HWCAP feature bits ARM64.HasFP = isSet(hwCap, hwcap_FP) ARM64.HasASIMD = isSet(hwCap, hwcap_ASIMD) |