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-rw-r--r--src/arch/x86/isa/insts/system/msrs.py6
1 files changed, 2 insertions, 4 deletions
diff --git a/src/arch/x86/isa/insts/system/msrs.py b/src/arch/x86/isa/insts/system/msrs.py
index b79b6dbe9..04020ef67 100644
--- a/src/arch/x86/isa/insts/system/msrs.py
+++ b/src/arch/x86/isa/insts/system/msrs.py
@@ -63,8 +63,7 @@ def macroop RDTSC
.serialize_before
rdtsc t1
mov rax, rax, t1, dataSize=4
- srli t1, t1, 32, dataSize=8
- mov rdx, rdx, t1, dataSize=4
+ srli rdx, t1, 32, dataSize=8
};
def macroop RDTSCP
@@ -73,8 +72,7 @@ def macroop RDTSCP
mfence
rdtsc t1
mov rax, rax, t1, dataSize=4
- srli t1, t1, 32, dataSize=8
- mov rdx, rdx, t1, dataSize=4
+ srli rdx, t1, 32, dataSize=8
rdval rcx, "InstRegIndex(MISCREG_TSC_AUX)", dataSize=4
};
'''