Merge of the reuse-temps branch:

- Reload temporaries are marked as destroyed (set to Vundef) across
  operations in the semantics of LTL, LTLin, Linear and Mach, 
  allowing Asmgen to reuse them.
- Added IA32 port.
- Cleaned up float conversions and axiomatization of floats.



git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1499 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 28 insertions, 0 deletions

diff --git a/ia32/CBuiltins.ml b/ia32/CBuiltins.ml
new file mode 100644
index 0000000..d077fe5
--- /dev/null
+++ b/ia32/CBuiltins.ml
@@ -0,0 +1,28 @@
+(* *********************************************************************)
+(*                                                                     *)
+(*              The Compcert verified compiler                         *)
+(*                                                                     *)
+(*          Xavier Leroy, INRIA Paris-Rocquencourt                     *)
+(*                                                                     *)
+(*  Copyright Institut National de Recherche en Informatique et en     *)
+(*  Automatique.  All rights reserved.  This file is distributed       *)
+(*  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 file is also distributed *)
+(*  under the terms of the INRIA Non-Commercial License Agreement.     *)
+(*                                                                     *)
+(* *********************************************************************)
+
+(* Processor-dependent builtin C functions *)
+
+open Cparser
+open C
+
+let builtins = {
+  Builtins.typedefs = [];
+  Builtins.functions = [
+    (* Float arithmetic *)
+    "__builtin_fsqrt",
+      (TFloat(FDouble, []), [TFloat(FDouble, [])], false);
+  ]
+}