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Code: Select all

if (cpuid().ECX[28] == True)
    MsgBox % "Advanced Vector Extensions are supported"

if (cpuid().edx[26] == True)
    MsgBox % "SSE2 instructions are supported"

Code: Select all

      CPUID() {
         static cpuid := 0

         if not cpuid {
            ; C source code - https://godbolt.org/z/1YPd6jz61
            code := (A_PtrSize == 4)
               ? "VYnlV4t9EFaLdQhTiw+LBg+iiQaLRQyJGItFFIkPiRBbXl9dww=="
               : "U4sBSYnKSYnTQYsID6JBiQJBiRtBiQhBiRFbww=="
            size := StrLen(RTrim(code, "=")) * 3 // 4
            bin := DllCall("GlobalAlloc", "uint", 0, "uptr", size, "ptr")
            DllCall("VirtualProtect", "ptr", bin, "ptr", size, "uint", 0x40, "uint*", old:=0)
            DllCall("crypt32\CryptStringToBinary", "str", code, "uint", 0, "uint", 0x1, "ptr", bin, "uint*", size, "ptr", 0, "ptr", 0)

            ; Set eax flag to 1 to retrieve supported CPU features.
            ; See this for CPU features: https://wiki.osdev.org/CPUID
            ; Also see: Appendix D.2 - CPUID Feature Flags Related to Instruction Support
            ; On page 1861 - https://www.amd.com/content/dam/amd/en/documents/processor-tech-docs/programmer-references/40332.pdf
            DllCall(bin, "uint*", a := 1, "uint*", b := 0, "uint*", c := 0, "uint*", d := 0)

            ; Free memory.
            DllCall("GlobalFree", "ptr", bin)

            ; To check for SSE2 use the following code example:
            ; if cpuid().edx[26] == True
            eax := {0: a & 1}
            ebx := {0: b & 1}
            ecx := {0: c & 1}
            edx := {0: d & 1}
            loop 31 {
               eax[A_Index] := !!(1 << A_Index & a)
               ebx[A_Index] := !!(1 << A_Index & b)
               ecx[A_Index] := !!(1 << A_Index & c)
               edx[A_Index] := !!(1 << A_Index & d)
            }
            cpuid := {eax: eax, ebx: ebx, ecx: ecx, edx: edx}
         }

         return cpuid
      }

Code: Select all

      CPUID() {
         static cpuid := 0

         if not cpuid {
            ; C source code - https://godbolt.org/z/1YPd6jz61
            code := (A_PtrSize == 4)
               ? "VYnlV4t9EFaLdQhTiw+LBg+iiQaLRQyJGItFFIkPiRBbXl9dww=="
               : "U4sBSYnKSYnTQYsID6JBiQJBiRtBiQhBiRFbww=="
            size := StrLen(RTrim(code, "=")) * 3 // 4
            bin := DllCall("GlobalAlloc", "uint", 0, "uptr", size, "ptr")
            DllCall("VirtualProtect", "ptr", bin, "ptr", size, "uint", 0x40, "uint*", &old:=0)
            DllCall("crypt32\CryptStringToBinary", "str", code, "uint", 0, "uint", 0x1, "ptr", bin, "uint*", size, "ptr", 0, "ptr", 0)

            ; Set eax flag to 1 to retrieve supported CPU features.
            ; See this for CPU features: https://wiki.osdev.org/CPUID
            ; Also see: Appendix D.2 - CPUID Feature Flags Related to Instruction Support
            ; On page 1861 - https://www.amd.com/content/dam/amd/en/documents/processor-tech-docs/programmer-references/40332.pdf
            DllCall(bin, "uint*", &a := 1, "uint*", &b := 0, "uint*", &c := 0, "uint*", &d := 0)

            ; Free memory.
            DllCall("GlobalFree", "ptr", bin)

            ; To check for SSE2 use the following code example:
            ; if cpuid().edx[26] == True
            eax := Map(0, a & 1)
            ebx := Map(0, b & 1)
            ecx := Map(0, c & 1)
            edx := Map(0, d & 1)
            loop 31 {
               eax[A_Index] := !!(1 << A_Index & a)
               ebx[A_Index] := !!(1 << A_Index & b)
               ecx[A_Index] := !!(1 << A_Index & c)
               edx[A_Index] := !!(1 << A_Index & d)
            }
            cpuid := {eax: eax, ebx: ebx, ecx: ecx, edx: edx}
         }

         return cpuid
      }