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| author | Gabe Black <gabeblack@google.com> | 2018-03-12 17:19:36 -0700 |
|---|---|---|
| committer | Gabe Black <gabeblack@google.com> | 2018-03-14 20:07:18 +0000 |
| commit | 8a71c570226d06d6a179700c114de91d2c177be0 (patch) | |
| tree | be8fb01c12487d019fd5d8d977d61e822831ab3f /src/arch/x86 | |
| parent | 0f425ad5d590f670efac118b03e591579da21e84 (diff) | |
| download | gem5-8a71c570226d06d6a179700c114de91d2c177be0.tar.xz | |
x86: Mark the RDTSC instruction as .serialize_before.
Change-Id: I20bf6a57ea4354aac9267845bb37b70b83d6fcde
Reviewed-on: https://gem5-review.googlesource.com/9042
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/isa/insts/system/msrs.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/system/msrs.py b/src/arch/x86/isa/insts/system/msrs.py index 16d158ab5..fe9c5b262 100644 --- a/src/arch/x86/isa/insts/system/msrs.py +++ b/src/arch/x86/isa/insts/system/msrs.py @@ -60,6 +60,7 @@ def macroop WRMSR def macroop RDTSC { + .serialize_before rdtsc t1 mov rax, rax, t1, dataSize=4 srli t1, t1, 32, dataSize=8 |