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...t.cpp | 7 ++- 2 files changed, 96 insertions(+), 7 deletions(-) diff --git a/lib/Support/Host.cpp b/lib/Support/Host.cpp index 380df6b..6e9a5c9 100644 --- a/lib/Support/Host.cpp +++ b/lib/Support/Host.cpp @@ -95,6 +95,75 @@ static bool GetX86CpuIDAndInfo(unsigned value, unsigned *rEAX, unsigned *rEBX, #endif } +/// GetX86CpuIDAndInfoEx - Execute the specified cpuid with subleaf and return the +/// 4 values in the specified arguments. If we can't run cpuid on the host, +/// return true. +bool GetX86CpuIDAndInfoEx(unsigned value, unsigned subleaf, unsigned *rEAX, +...

I agree with Tim, you need to implement a GetCpuIDAndInfoEx function in Host.cpp and pass the correct value to ecx. Also you need to verify that 7 is a valid leaf because an invalid leaf is defined to return the highest supported leaf on that processor. So if a processor supports say leaf 6 and not leaf 7, then an access leaf 7 will return the data from leaf 6 causing unrelated bits to be