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-rw-r--r--powerpc/Asmexpand.ml28
-rw-r--r--powerpc/ConstpropOp.vp1
-rw-r--r--powerpc/ConstpropOpproof.v2
3 files changed, 27 insertions, 4 deletions
diff --git a/powerpc/Asmexpand.ml b/powerpc/Asmexpand.ml
index 415b6651..704b0aba 100644
--- a/powerpc/Asmexpand.ml
+++ b/powerpc/Asmexpand.ml
@@ -14,7 +14,7 @@
of the PPC assembly code. *)
open Camlcoq
-open Integers
+open! Integers
open AST
open Asm
open Asmexpandaux
@@ -30,8 +30,8 @@ let eref =
(* Useful constants and helper functions *)
-let _0 = Integers.Int.zero
-let _1 = Integers.Int.one
+let _0 = Int.zero
+let _1 = Int.one
let _2 = coqint_of_camlint 2l
let _4 = coqint_of_camlint 4l
let _6 = coqint_of_camlint 6l
@@ -45,7 +45,7 @@ let _m4 = coqint_of_camlint (-4l)
let _m8 = coqint_of_camlint (-8l)
let _m16 = coqint_of_camlint (-16l)
-let _0L = Integers.Int64.zero
+let _0L = Int64.zero
let _32L = coqint_of_camlint64 32L
let _64L = coqint_of_camlint64 64L
let _m1L = coqint_of_camlint64 (-1L)
@@ -554,6 +554,26 @@ let expand_builtin_inline name args res =
emit (Plabel lbl2)
| "__builtin_cmpb", [BA(IR a1); BA(IR a2)], BR(IR res) ->
emit (Pcmpb (res,a1,a2))
+ | "__builtin_bswap64", [BA_splitlong(BA(IR ah), BA(IR al))],
+ BR_splitlong(BR(IR rh), BR(IR rl))->
+ assert (not Archi.ppc64);
+ emit (Pstwu(ah, Cint _m8, GPR1));
+ emit (Pcfi_adjust _8);
+ emit (Pstwu(al, Cint _m8, GPR1));
+ emit (Pcfi_adjust _8);
+ emit (Plwbrx(rh, GPR0, GPR1));
+ emit (Paddi(GPR1, GPR1, Cint _8));
+ emit (Pcfi_adjust _m8);
+ emit (Plwbrx(rl, GPR0, GPR1));
+ emit (Paddi(GPR1, GPR1, Cint _8));
+ emit (Pcfi_adjust _m8)
+ | "__builtin_bswap64", [BA(IR a1)], BR(IR res) ->
+ assert (Archi.ppc64);
+ emit (Pstdu(a1, Cint _m8, GPR1));
+ emit (Pcfi_adjust _8);
+ emit (Pldbrx(res, GPR0, GPR1));
+ emit (Paddi(GPR1, GPR1, Cint _8));
+ emit (Pcfi_adjust _m8)
| ("__builtin_bswap" | "__builtin_bswap32"), [BA(IR a1)], BR(IR res) ->
emit (Pstwu(a1, Cint _m8, GPR1));
emit (Pcfi_adjust _8);
diff --git a/powerpc/ConstpropOp.vp b/powerpc/ConstpropOp.vp
index cf1dc6e8..8e90a849 100644
--- a/powerpc/ConstpropOp.vp
+++ b/powerpc/ConstpropOp.vp
@@ -23,6 +23,7 @@ Require Import ValueDomain ValueAOp.
Definition const_for_result (a: aval) : option operation :=
match a with
| I n => Some(Ointconst n)
+ | L n => if Archi.ppc64 then Some (Olongconst n) else None
| F n => if Compopts.generate_float_constants tt then Some(Ofloatconst n) else None
| FS n => if Compopts.generate_float_constants tt then Some(Osingleconst n) else None
| Ptr(Gl id ofs) => Some (Oaddrsymbol id ofs)
diff --git a/powerpc/ConstpropOpproof.v b/powerpc/ConstpropOpproof.v
index 38daefe4..8687b056 100644
--- a/powerpc/ConstpropOpproof.v
+++ b/powerpc/ConstpropOpproof.v
@@ -101,6 +101,8 @@ Proof.
destruct a; inv H; SimplVM.
- (* integer *)
exists (Vint n); auto.
+- (* long *)
+ destruct (Archi.ppc64); inv H2. exists (Vlong n); auto.
- (* float *)
destruct (generate_float_constants tt); inv H2. exists (Vfloat f); auto.
- (* single *)