* switch x86_64 RTL to provide the atomic intrinsics instead of Interlocked* functions

rtl/x86_64/x86_64.inc

@@ -1417,7 +1417,17 @@ procedure inclocked(var l : int64);assembler; nostackframe;
   end;
 
 
+{$ifndef VER3_2}
+{$define FPC_SYSTEM_INTERLOCKED_USE_INTRIN}
+{$endif VER3_2}
+
+
+{$ifdef VER3_2}
 function InterLockedDecrement (var Target: longint) : longint; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_DEC_32}
+function fpc_atomic_dec_32 (var Target: longint) : longint; assembler; nostackframe;
+{$endif VER3_2}
 asm
         movl    $-1,%eax
         lock
@@ -1426,7 +1436,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedIncrement (var Target: longint) : longint; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_INC_32}
+function fpc_atomic_inc_32 (var Target: longint) : longint; assembler; nostackframe;
+{$endif VER3_2}
 asm
         movl    $1,%eax
         lock
@@ -1435,7 +1450,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedExchange (var Target: longint;Source : longint) : longint; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_XCHG_32}
+function fpc_atomic_xchg_32 (var Target: longint;Source : longint) : longint; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         xchgl   (%rcx),%edx
@@ -1447,7 +1467,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedExchangeAdd (var Target: longint;Source : longint) : longint; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_ADD_32}
+function fpc_atomic_add_32 (var Target: longint;Value : longint) : longint; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         lock
@@ -1461,7 +1486,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedCompareExchange(var Target: longint; NewValue, Comperand : longint): longint; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_CMP_XCHG_32}
+function fpc_atomic_cmp_xchg_32 (var Target: longint; NewValue, Comparand : longint) : longint; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         movl            %r8d,%eax
@@ -1475,7 +1505,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedDecrement64 (var Target: int64) : int64; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_DEC_64}
+function fpc_atomic_dec_64 (var Target: int64) : int64; assembler; nostackframe;
+{$endif VER3_2}
 asm
         movq    $-1,%rax
         lock
@@ -1484,7 +1519,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedIncrement64 (var Target: int64) : int64; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_INC_64}
+function fpc_atomic_inc_64 (var Target: int64) : int64; assembler; nostackframe;
+{$endif VER3_2}
 asm
         movq    $1,%rax
         lock
@@ -1493,7 +1533,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedExchange64 (var Target: int64;Source : int64) : int64; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_XCHG_64}
+function fpc_atomic_xchg_64 (var Target: int64;Source: int64) : int64; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         xchgq   (%rcx),%rdx
@@ -1505,7 +1550,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedExchangeAdd64 (var Target: int64;Source : int64) : int64; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_ADD_64}
+function fpc_atomic_add_64 (var Target: int64;Value: int64) : int64; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         lock
@@ -1519,7 +1569,12 @@ asm
 end;
 
 
+{$ifdef VER3_2}
 function InterLockedCompareExchange64(var Target: int64; NewValue, Comperand : int64): int64; assembler; nostackframe;
+{$else VER3_2}
+{$define FPC_SYSTEM_HAS_ATOMIC_CMP_XCHG_64}
+function fpc_atomic_cmp_xchg_64 (var Target: int64; NewValue, Comparand : int64) : int64; [public, alias:'FPC_ATOMIC_CMP_XCHG_64']; assembler; nostackframe;
+{$endif VER3_2}
 asm
 {$ifdef win64}
         movq            %r8,%rax