o unified interface of i386 and x86-64 cpu unit:

+ InterlockedCompareExchange128Support for i386 always returning false
  + AESSupport for i386
  + dummy InterlockedCompareExchange128 for i386 throwing an rte 217

git-svn-id: trunk@32857 -

rtl/i386/cpu.pp

@@ -15,8 +15,12 @@
  **********************************************************************}
 {$mode objfpc}
 unit cpu;
+
   interface
 
+    uses
+      sysutils;
+
     { returns true, if the processor supports the cpuid instruction }
     function cpuid_support : boolean;
 
@@ -26,6 +30,8 @@ unit cpu;
     { returns the contents of the cr0 register }
     function cr0 : longint;
 
+    function InterlockedCompareExchange128Support : boolean;
+    function AESSupport : boolean;inline;
     function AVXSupport: boolean;inline;
     function AVX2Support: boolean;inline;
     function FMASupport: boolean;inline;
@@ -33,14 +39,24 @@ unit cpu;
     var
       is_sse3_cpu : boolean = false;
 
+    function InterlockedCompareExchange128(var Target: Int128Rec; NewValue: Int128Rec; Comperand: Int128Rec): Int128Rec;
+
   implementation
 
 {$ASMMODE INTEL}
     var
       _AVXSupport,
       _AVX2Support,
+      _AESSupport,
       _FMASupport : boolean;
 
+
+    function InterlockedCompareExchange128(var Target: Int128Rec; NewValue: Int128Rec; Comperand: Int128Rec): Int128Rec;
+      begin
+        RunError(217);
+      end;
+
+
     function cpuid_support : boolean;assembler;
       {
         Check if the ID-flag can be changed, if changed then CpuID is supported.
@@ -106,7 +122,8 @@ unit cpu;
                  movl %ecx,_ecx
                  popl %ebx
               end;
-              is_sse3_cpu:=(_ecx and $1)<>0;
+              _AESSupport:=(_ecx and $2000000)<>0;
+
               _AVXSupport:=
                 { XGETBV suspport? }
                 ((_ecx and $08000000)<>0) and
@@ -115,6 +132,8 @@ unit cpu;
                 { avx supported? }
                 ((_ecx and $10000000)<>0);
 
+              is_sse3_cpu:=(_ecx and $1)<>0;
+
               _FMASupport:=_AVXSupport and ((_ecx and $1000)<>0);
 
               asm
@@ -130,6 +149,19 @@ unit cpu;
       end;
 
 
+    function InterlockedCompareExchange128Support : boolean;
+      begin
+        { 32 Bit CPUs have no 128 Bit interlocked exchange support }
+        result:=false;
+      end;
+
+
+    function AESSupport : boolean;
+      begin
+        result:=_AESSupport;
+      end;
+
+
     function AVXSupport: boolean;inline;
       begin
         result:=_AVXSupport;