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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/SimplExprspec.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/SimplExprspec.v')
| -rw-r--r-- | cfrontend/SimplExprspec.v | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/cfrontend/SimplExprspec.v b/cfrontend/SimplExprspec.v index 647e048..bd7f336 100644 --- a/cfrontend/SimplExprspec.v +++ b/cfrontend/SimplExprspec.v @@ -89,6 +89,10 @@ Inductive tr_expr: temp_env -> destination -> C.expr -> list statement -> expr - tr_expr le dst (C.Esizeof ty' ty) (final dst (Esizeof ty' ty)) (Esizeof ty' ty) tmp + | tr_alignof: forall le dst ty' ty tmp, + tr_expr le dst (C.Ealignof ty' ty) + (final dst (Ealignof ty' ty)) + (Ealignof ty' ty) tmp | tr_valof: forall le dst e1 ty tmp sl1 a1 tmp1 sl2 a2 tmp2, tr_expr le For_val e1 sl1 a1 tmp1 -> tr_rvalof (C.typeof e1) a1 sl2 a2 tmp2 -> @@ -719,6 +723,9 @@ Opaque makeif. (* sizeof *) monadInv H. UseFinish. exists (@nil ident); split; auto with gensym. constructor. +(* alignof *) + monadInv H. UseFinish. + exists (@nil ident); split; auto with gensym. constructor. (* assign *) monadInv H1. exploit H; eauto. intros [tmp1 [A B]]. exploit H0; eauto. intros [tmp2 [C D]]. |