1 files changed, 39 insertions, 2 deletions
diff --git a/mppa_k1c/SelectOp.vp b/mppa_k1c/SelectOp.vp
index 3df0c682..ec3985c5 100644
--- a/mppa_k1c/SelectOp.vp
+++ b/mppa_k1c/SelectOp.vp
@@ -51,9 +51,10 @@ Require Import Floats.
 Require Import Op.
 Require Import CminorSel.
 Require Import OpHelpers.
-Require Import ExtValues.
+Require Import ExtValues ExtFloats.
 Require Import DecBoolOps.
 Require Import Chunks.
+Require Import Builtins.
 Require Compopts.
 
 Local Open Scope cminorsel_scope.
@@ -668,9 +669,45 @@ Definition divf_base (e1: expr) (e2: expr) :=
   (* Eop Odivf (e1 ::: e2 ::: Enil). *)
   Eexternal f64_div sig_ff_f (e1 ::: e2 ::: Enil).
 
-Definition divfs_base (e1: expr) (e2: expr) :=
+Definition divfs_base1 (e2 : expr) :=
+  Eop Oinvfs (e2 ::: Enil).
+Definition divfs_baseX (e1 : expr) (e2 : expr) :=
   (* Eop Odivf (e1 ::: e2 ::: Enil). *)
   Eexternal f32_div sig_ss_s (e1 ::: e2 ::: Enil).
+
+Nondetfunction divfs_base (e1: expr) :=
+  match e1 with
+  | Eop (Osingleconst f) Enil =>
+    (if Float32.eq_dec f ExtFloat32.one
+     then divfs_base1
+     else divfs_baseX e1)
+  | _ => divfs_baseX e1
+  end.
+
+Nondetfunction gen_fma args :=
+  match args with
+  | (Eop Onegf (e1:::Enil)):::e2:::e3:::Enil => Some (Eop Ofmsubf (e3:::e1:::e2:::Enil))
+  | e1:::e2:::e3:::Enil => Some (Eop Ofmaddf (e3:::e1:::e2:::Enil))
+  | _ => None
+  end.
+
+Nondetfunction gen_fmaf args :=
+  match args with
+  | (Eop Onegfs (e1:::Enil)):::e2:::e3:::Enil => Some (Eop Ofmsubfs (e3:::e1:::e2:::Enil))
+  | e1:::e2:::e3:::Enil => Some (Eop Ofmaddfs (e3:::e1:::e2:::Enil))
+  | _ => None
+  end.
+
+Definition platform_builtin (b: platform_builtin) (args: exprlist) : option expr :=
+  match b with
+  | BI_fmin => Some (Eop Ominf args)
+  | BI_fmax => Some (Eop Omaxf args)
+  | BI_fminf => Some (Eop Ominfs args)
+  | BI_fmaxf => Some (Eop Omaxfs args)
+  | BI_fabsf => Some (Eop Oabsfs args)
+  | BI_fma => gen_fma args
+  | BI_fmaf => gen_fmaf args
+  end.
 End SELECT.
 
 (* Local Variables: *)