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| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-02-26 10:41:07 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2012-02-26 10:41:07 +0000 |
| commit | 2570ddd61b1c98b62c8d97fce862654535696844 (patch) | |
| tree | e9a652b115045a3b2c4ade69ec3cc3fdad429b54 /cfrontend/Csem.v | |
| parent | 65cc3738e7436e46f70c0508638a71fbb49c50a8 (diff) | |
- Support for _Alignof(ty) operator from ISO C 2011
and __alignof__(ty), __alignof__(expr) from GCC.
- Resurrected __builtin_memcpy_aligned, useful for files generated
by Scade KCG 6.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1827 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'cfrontend/Csem.v')
| -rw-r--r-- | cfrontend/Csem.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cfrontend/Csem.v b/cfrontend/Csem.v index 49b2062..9087aa4 100644 --- a/cfrontend/Csem.v +++ b/cfrontend/Csem.v @@ -734,6 +734,9 @@ Inductive rred: expr -> mem -> trace -> expr -> mem -> Prop := | red_sizeof: forall ty1 ty m, rred (Esizeof ty1 ty) m E0 (Eval (Vint (Int.repr (sizeof ty1))) ty) m + | red_alignof: forall ty1 ty m, + rred (Ealignof ty1 ty) m + E0 (Eval (Vint (Int.repr (alignof ty1))) ty) m | red_assign: forall b ofs ty1 v2 ty2 m v t m', sem_cast v2 ty2 ty1 = Some v -> assign_loc ge ty1 m b ofs v t m' -> |