From 2a0168fea37b68ad14e2cb60bf215111e49d4870 Mon Sep 17 00:00:00 2001 From: xleroy Date: Wed, 23 Jul 2014 08:54:56 +0000 Subject: Merge of "newspilling" branch: - Support single-precision floats as first-class values - Introduce chunks Many32, Many64 and types Tany32, Tany64 to support saving and restoring registers without knowing the exact types (int/single/float) of their contents, just their sizes. - Memory model: generalize the opaque encoding of pointers to apply to any value, not just pointers, if chunks Many32/Many64 are selected. - More properties of FP arithmetic proved. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2537 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- arm/ValueAOp.v | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'arm/ValueAOp.v') diff --git a/arm/ValueAOp.v b/arm/ValueAOp.v index b312361..a14d6b9 100644 --- a/arm/ValueAOp.v +++ b/arm/ValueAOp.v @@ -44,6 +44,10 @@ Definition eval_static_condition (cond: condition) (vl: list aval): abool := | Cnotcompf c, v1 :: v2 :: nil => cnot (cmpf_bool c v1 v2) | Ccompfzero c, v1 :: nil => cmpf_bool c v1 (F Float.zero) | Cnotcompfzero c, v1 :: nil => cnot (cmpf_bool c v1 (F Float.zero)) + | Ccompfs c, v1 :: v2 :: nil => cmpfs_bool c v1 v2 + | Cnotcompfs c, v1 :: v2 :: nil => cnot (cmpfs_bool c v1 v2) + | Ccompfszero c, v1 :: nil => cmpfs_bool c v1 (FS Float32.zero) + | Cnotcompfszero c, v1 :: nil => cnot (cmpfs_bool c v1 (FS Float32.zero)) | _, _ => Bnone end. @@ -61,6 +65,7 @@ Definition eval_static_operation (op: operation) (vl: list aval): aval := | Omove, v1::nil => v1 | Ointconst n, nil => I n | Ofloatconst n, nil => if propagate_float_constants tt then F n else ftop + | Osingleconst n, nil => if propagate_float_constants tt then FS n else ftop | Oaddrsymbol id ofs, nil => Ptr (Gl id ofs) | Oaddrstack ofs, nil => Ptr (Stk ofs) | Ocast8signed, v1 :: nil => sign_ext 8 v1 @@ -102,11 +107,22 @@ Definition eval_static_operation (op: operation) (vl: list aval): aval := | Osubf, v1::v2::nil => subf v1 v2 | Omulf, v1::v2::nil => mulf v1 v2 | Odivf, v1::v2::nil => divf v1 v2 + | Onegfs, v1::nil => negfs v1 + | Oabsfs, v1::nil => absfs v1 + | Oaddfs, v1::v2::nil => addfs v1 v2 + | Osubfs, v1::v2::nil => subfs v1 v2 + | Omulfs, v1::v2::nil => mulfs v1 v2 + | Odivfs, v1::v2::nil => divfs v1 v2 | Osingleoffloat, v1::nil => singleoffloat v1 + | Ofloatofsingle, v1::nil => floatofsingle v1 | Ointoffloat, v1::nil => intoffloat v1 | Ointuoffloat, v1::nil => intuoffloat v1 | Ofloatofint, v1::nil => floatofint v1 | Ofloatofintu, v1::nil => floatofintu v1 + | Ointofsingle, v1::nil => intofsingle v1 + | Ointuofsingle, v1::nil => intuofsingle v1 + | Osingleofint, v1::nil => singleofint v1 + | Osingleofintu, v1::nil => singleofintu v1 | Omakelong, v1::v2::nil => longofwords v1 v2 | Olowlong, v1::nil => loword v1 | Ohighlong, v1::nil => hiword v1 @@ -185,6 +201,7 @@ Proof. unfold eval_operation, eval_static_operation; intros; destruct op; InvHyps; eauto with va. destruct (propagate_float_constants tt); constructor. + destruct (propagate_float_constants tt); constructor. rewrite Int.add_zero_l; eauto with va. fold (Val.sub (Vint i) a1). auto with va. apply of_optbool_sound. eapply eval_static_condition_sound; eauto. -- cgit v1.2.3