diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-04-06 18:32:27 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-04-06 18:32:27 +0000 |
| commit | 76f49ca6af4ffbc77c0ba7965d409c3de04011bd (patch) | |
| tree | d2167acae5dc5c02995fa12c30472a9e7d5a7d47 /ia32/ConstpropOp.vp | |
| parent | 6bad7ed856e016aab1d947c57d373baecf7c98c4 (diff) | |
Support Onot operator / notl instruction. More constant propagation during selection.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2451 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'ia32/ConstpropOp.vp')
| -rw-r--r-- | ia32/ConstpropOp.vp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ia32/ConstpropOp.vp b/ia32/ConstpropOp.vp index aaf08a1..172f7a4 100644 --- a/ia32/ConstpropOp.vp +++ b/ia32/ConstpropOp.vp @@ -132,8 +132,8 @@ Definition make_orimm (n: int) (r: reg) := else (Oorimm n, r :: nil). Definition make_xorimm (n: int) (r: reg) := - if Int.eq n Int.zero - then (Omove, r :: nil) + if Int.eq n Int.zero then (Omove, r :: nil) + else if Int.eq n Int.mone then (Onot, r :: nil) else (Oxorimm n, r :: nil). Definition make_divimm n (r1 r2: reg) := |