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3 Commits

Author SHA1 Message Date
Tobias Klauser
b8be2fde2a cpu: add //go:build line to cpu_gccgo_x86.c 
Change-Id: I597a83c767bf597f4d5c2ffdd7097f3cd6781f84
Reviewed-on: https://go-review.googlesource.com/c/sys/+/460158
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
 2023-01-05 18:34:43 +00:00
Ian Lance Taylor
9f5ed59c13 cpu: use xgetbv intrinsic 
Fixes golang/go#53302

Change-Id: I698ef44f90e2ec538ae4a057134c22c102a87ff8
Reviewed-on: https://go-review.googlesource.com/c/sys/+/411635
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
 2022-06-10 22:13:04 +00:00
Tobias Klauser
85b82a3add cpu: support reading arm64 CPU feature registers 
This allows to detect ARM64 CPU features on non-Linux systems. On Linux,
this is used in case /proc/self/auxv cannot be read.

Change-Id: I67d55e989f2beda0c05a97ca5e55781840a8e01c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/209478
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
 2019-12-04 07:21:56 +00:00