Gabe Black has submitted this change and it was merged. (
https://gem5-review.googlesource.com/9042 )
Change subject: x86: Mark the RDTSC instruction as .serialize_before.
......................................................................
x86: Mark the RDTSC instruction as .serialize_before.
Change-Id: I20bf6a57ea4354aac9267845bb37b70b83d6fcde
Reviewed-on: https://gem5-review.googlesource.com/9042
Reviewed-by: Jason Lowe-Power <[email protected]>
Maintainer: Gabe Black <[email protected]>
---
M src/arch/x86/isa/insts/system/msrs.py
1 file changed, 1 insertion(+), 0 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved
Gabe Black: Looks good to me, approved
diff --git a/src/arch/x86/isa/insts/system/msrs.py
b/src/arch/x86/isa/insts/system/msrs.py
index 16d158a..fe9c5b2 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 RDTSC
{
+ .serialize_before
rdtsc t1
mov rax, rax, t1, dataSize=4
srli t1, t1, 32, dataSize=8
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I20bf6a57ea4354aac9267845bb37b70b83d6fcde
Gerrit-Change-Number: 9042
Gerrit-PatchSet: 3
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-Reviewer: Gabe Black <[email protected]>
Gerrit-Reviewer: Jason Lowe-Power <[email protected]>
Gerrit-MessageType: merged
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