the basic i8086 units: cpuinfo and cpubase

git-svn-id: http://svn.freepascal.org/svn/fpc/branches/i8086@23716 3ad0048d-3df7-0310-abae-a5850022a9f2

1 files changed, 130 insertions, 0 deletions

diff --git a/compiler/i8086/cpuinfo.pas b/compiler/i8086/cpuinfo.pas
new file mode 100644
index 0000000000..7ff0f1a841
--- /dev/null
+++ b/compiler/i8086/cpuinfo.pas
@@ -0,0 +1,130 @@
+{
+    Copyright (c) 1998-2004 by Florian Klaempfl
+
+    Basic Processor information
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ ****************************************************************************
+}
+Unit cpuinfo;
+
+{$i fpcdefs.inc}
+
+Interface
+
+  uses
+    globtype;
+
+Type
+   bestreal = extended;
+   ts32real = single;
+   ts64real = double;
+   ts80real = extended;
+   ts128real = type extended;
+   ts64comp = type extended;
+
+   pbestreal=^bestreal;
+
+   { possible supported processors for this target }
+   tcputype =
+      (cpu_none,
+       cpu_8086,
+       cpu_186,
+       cpu_286,
+       cpu_386,
+       cpu_Pentium,
+       cpu_Pentium2,
+       cpu_Pentium3,
+       cpu_Pentium4,
+       cpu_PentiumM
+      );
+
+   tfputype =
+     (fpu_none,
+//      fpu_soft,
+      fpu_x87,
+      fpu_sse,
+      fpu_sse2,
+      fpu_sse3,
+      fpu_ssse3,
+      fpu_sse41,
+      fpu_sse42,
+      fpu_avx
+     );
+
+
+Const
+   { calling conventions supported by the code generator }
+   supported_calling_conventions : tproccalloptions = [
+     pocall_internproc,
+     pocall_register,
+     pocall_safecall,
+     pocall_stdcall,
+     pocall_cdecl,
+     pocall_cppdecl,
+     pocall_far16,
+     pocall_pascal,
+     pocall_oldfpccall,
+     pocall_mwpascal
+   ];
+
+   cputypestr : array[tcputype] of string[10] = ('',
+     '8086',
+     '80186',
+     '80286',
+     '80386',
+     'PENTIUM',
+     'PENTIUM2',
+     'PENTIUM3',
+     'PENTIUM4',
+     'PENTIUMM'
+   );
+
+   fputypestr : array[tfputype] of string[6] = ('',
+//     'SOFT',
+     'X87',
+     'SSE',
+     'SSE2',
+     'SSE3',
+     'SSSE3',
+     'SSE41',
+     'SSE42',
+     'AVX'
+   );
+
+   sse_singlescalar : set of tfputype = [fpu_sse,fpu_sse2,fpu_sse3];
+   sse_doublescalar : set of tfputype = [fpu_sse2,fpu_sse3];
+
+   { Supported optimizations, only used for information }
+   supported_optimizerswitches = genericlevel1optimizerswitches+
+                                 genericlevel2optimizerswitches+
+                                 genericlevel3optimizerswitches-
+                                 { no need to write info about those }
+                                 [cs_opt_level1,cs_opt_level2,cs_opt_level3]+
+                                 [cs_opt_peephole,cs_opt_regvar,cs_opt_stackframe,
+                                  cs_opt_asmcse,cs_opt_loopunroll,cs_opt_uncertain,
+                                  cs_opt_tailrecursion,cs_opt_nodecse,cs_useebp,
+				  cs_opt_reorder_fields,cs_opt_fastmath];
+
+   level1optimizerswitches = genericlevel1optimizerswitches + [cs_opt_peephole];
+   level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches +
+     [cs_opt_regvar,cs_opt_stackframe,cs_opt_tailrecursion,cs_opt_nodecse];
+   level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches + [{,cs_opt_loopunroll}];
+   level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [cs_useebp];
+
+Implementation
+
+end.