Added volatile_read_global and volatile_store_global builtins.

Finished updating IA32 and ARM ports.


git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1792 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 11 insertions, 0 deletions

diff --git a/powerpc/ConstpropOp.vp b/powerpc/ConstpropOp.vp
index 22e89e3..cb958d4 100644
--- a/powerpc/ConstpropOp.vp
+++ b/powerpc/ConstpropOp.vp
@@ -274,4 +274,15 @@ Nondetfunction addr_strength_reduction
       (addr, args)
   end.
 
+Nondetfunction builtin_strength_reduction
+               (ef: external_function) (args: list reg) (vl: list approx) :=
+  match ef, args, vl with
+  | EF_vload chunk, r1 :: nil, G symb n1 :: nil =>
+      (EF_vload_global chunk symb n1, nil)
+  | EF_vstore chunk, r1 :: r2 :: nil, G symb n1 :: v2 :: nil =>
+      (EF_vstore_global chunk symb n1, r2 :: nil)
+  | _, _, _ =>
+      (ef, args)
+  end.
+
 End STRENGTH_REDUCTION.