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author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-07-23 15:01:54 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-07-23 15:01:54 +0000 |
commit | 4297fcb821c3188449b64184af73e41491a6118f (patch) | |
tree | 3f31e0bd4bcfa107a345c1670e65290e785ee091 /common/Events.v | |
parent | 7c9500e438384c6c0ce478c8c73b3887137ac924 (diff) | |
download | compcert-kvx-4297fcb821c3188449b64184af73e41491a6118f.tar.gz compcert-kvx-4297fcb821c3188449b64184af73e41491a6118f.zip |
- Revised non-overflow constraints on memory injections so that
injections compose (Values, Memdata, Memory)
- Memory chunks: Mfloat64 now has alignment 8; introduced Mfloat64al32
that works like old Mfloat64 (i.e. has alignment 4); simplified
handling of memcpy builtin accordingly.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1983 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'common/Events.v')
-rw-r--r-- | common/Events.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/common/Events.v b/common/Events.v index 93e18278..b36a86f1 100644 --- a/common/Events.v +++ b/common/Events.v @@ -1283,7 +1283,7 @@ Qed. Inductive extcall_memcpy_sem (sz al: Z) (F V: Type) (ge: Genv.t F V): list val -> mem -> trace -> val -> mem -> Prop := | extcall_memcpy_sem_intro: forall bdst odst bsrc osrc m bytes m', - al = 1 \/ al = 2 \/ al = 4 -> sz > 0 -> + al = 1 \/ al = 2 \/ al = 4 \/ al = 8 -> sz > 0 -> (al | sz) -> (al | Int.unsigned osrc) -> (al | Int.unsigned odst) -> bsrc <> bdst \/ Int.unsigned osrc = Int.unsigned odst \/ Int.unsigned osrc + sz <= Int.unsigned odst |