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author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-04-06 18:32:27 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-04-06 18:32:27 +0000 |
commit | 76f49ca6af4ffbc77c0ba7965d409c3de04011bd (patch) | |
tree | d2167acae5dc5c02995fa12c30472a9e7d5a7d47 /ia32/NeedOp.v | |
parent | 6bad7ed856e016aab1d947c57d373baecf7c98c4 (diff) | |
download | compcert-76f49ca6af4ffbc77c0ba7965d409c3de04011bd.tar.gz compcert-76f49ca6af4ffbc77c0ba7965d409c3de04011bd.zip |
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/NeedOp.v')
-rw-r--r-- | ia32/NeedOp.v | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/ia32/NeedOp.v b/ia32/NeedOp.v index 12374733..2c8698f9 100644 --- a/ia32/NeedOp.v +++ b/ia32/NeedOp.v @@ -53,6 +53,7 @@ Definition needs_of_operation (op: operation) (nv: nval): list nval := | Oorimm n => op1 (orimm nv n) | Oxor => op2 (bitwise nv) | Oxorimm n => op1 (bitwise nv) + | Onot => op1 (bitwise nv) | Oshl => op2 (default nv) | Oshlimm n => op1 (shlimm nv n) | Oshr => op2 (default nv) @@ -158,6 +159,7 @@ Proof. - apply orimm_sound; auto. - apply xor_sound; auto. - apply xor_sound; auto with na. +- apply notint_sound; auto. - apply shlimm_sound; auto. - apply shrimm_sound; auto. - apply shruimm_sound; auto. |