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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2015-09-13 11:44:32 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2015-09-13 11:44:32 +0200 |
| commit | 378ac3925503e6efd24cc34796e85d95c031e72d (patch) | |
| tree | 98005d8fc2dfdd4b0e48aebbd3aaaa1c3b8adc0e /powerpc/Op.v | |
| parent | 470f6402ea49a81a5c861fcce66cb05ebff977c1 (diff) | |
| download | compcert-kvx-378ac3925503e6efd24cc34796e85d95c031e72d.tar.gz compcert-kvx-378ac3925503e6efd24cc34796e85d95c031e72d.zip | |
Use PowerPC 64 bits instructions (when available) for int<->FP conversions.
Also: implement __builtin_isel on non-EREF platforms with a branch-free instruction sequence.
Also: extend ./configure so that it recognizes "ppc64-" and "e5500-" platforms in addition to "ppc-".
Diffstat (limited to 'powerpc/Op.v')
| -rw-r--r-- | powerpc/Op.v | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/powerpc/Op.v b/powerpc/Op.v index 3ff08791..6866b086 100644 --- a/powerpc/Op.v +++ b/powerpc/Op.v @@ -107,6 +107,9 @@ Inductive operation : Type := | Ofloatofsingle: operation (**r [rd] is [r1] extended to double-precision float *) (*c Conversions between int and float: *) | Ointoffloat: operation (**r [rd = signed_int_of_float(r1)] *) + | Ointuoffloat: operation (**r [rd = unsigned_int_of_float(r1)] (PPC64 only) *) + | Ofloatofint: operation (**r [rd = float_of_signed_int(r1)] (PPC64 only) *) + | Ofloatofintu: operation (**r [rd = float_of_unsigned_int(r1)] (PPC64 only *) | Ofloatofwords: operation (**r [rd = float_of_words(r1,r2)] *) (*c Manipulating 64-bit integers: *) | Omakelong: operation (**r [rd = r1 << 32 | r2] *) @@ -231,6 +234,9 @@ Definition eval_operation | Osingleoffloat, v1::nil => Some(Val.singleoffloat v1) | Ofloatofsingle, v1::nil => Some(Val.floatofsingle v1) | Ointoffloat, v1::nil => Val.intoffloat v1 + | Ointuoffloat, v1::nil => Val.intuoffloat v1 + | Ofloatofint, v1::nil => Val.floatofint v1 + | Ofloatofintu, v1::nil => Val.floatofintu v1 | Ofloatofwords, v1::v2::nil => Some(Val.floatofwords v1 v2) | Omakelong, v1::v2::nil => Some(Val.longofwords v1 v2) | Olowlong, v1::nil => Some(Val.loword v1) @@ -332,6 +338,9 @@ Definition type_of_operation (op: operation) : list typ * typ := | Osingleoffloat => (Tfloat :: nil, Tsingle) | Ofloatofsingle => (Tsingle :: nil, Tfloat) | Ointoffloat => (Tfloat :: nil, Tint) + | Ointuoffloat => (Tfloat :: nil, Tint) + | Ofloatofint => (Tint :: nil, Tfloat) + | Ofloatofintu => (Tint :: nil, Tfloat) | Ofloatofwords => (Tint :: Tint :: nil, Tfloat) | Omakelong => (Tint :: Tint :: nil, Tlong) | Olowlong => (Tlong :: nil, Tint) @@ -420,6 +429,9 @@ Proof with (try exact I). destruct v0... destruct v0... destruct v0; simpl in H0; inv H0. destruct (Float.to_int f); inv H2... + destruct v0; simpl in H0; inv H0. destruct (Float.to_intu f); inv H2... + destruct v0; simpl in H0; inv H0... + destruct v0; simpl in H0; inv H0... destruct v0; destruct v1... destruct v0; destruct v1... destruct v0... @@ -783,6 +795,10 @@ Proof. inv H4; simpl; auto. inv H4; simpl in H1; inv H1. simpl. destruct (Float.to_int f0); simpl in H2; inv H2. exists (Vint i); auto. + inv H4; simpl in H1; inv H1. simpl. destruct (Float.to_intu f0); simpl in H2; inv H2. + exists (Vint i); auto. + inv H4; simpl in H1; inv H1; simpl. TrivialExists. + inv H4; simpl in H1; inv H1; simpl. TrivialExists. inv H4; inv H2; simpl; auto. inv H4; inv H2; simpl; auto. inv H4; simpl; auto. |