diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-11-06 10:39:43 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-11-06 10:39:43 +0000 |
| commit | f9c799143067c3197dc925f7fd916206d075a25d (patch) | |
| tree | a7ecd744efdd58fe38cb7ef2a2e8a77c196797b8 /cfrontend/Cexec.v | |
| parent | 61b43d3e1be5e8aad11cb3036fdb1872f0f363c3 (diff) | |
Revised treatment of _Alignas, for better compatibility with GCC and Clang, and to avoid wasting global variable space by inflating their sizeof needlessly.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2362 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'cfrontend/Cexec.v')
| -rw-r--r-- | cfrontend/Cexec.v | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/cfrontend/Cexec.v b/cfrontend/Cexec.v index f83c700..03cab54 100644 --- a/cfrontend/Cexec.v +++ b/cfrontend/Cexec.v @@ -295,8 +295,7 @@ Remark check_assign_copy: { assign_copy_ok ty b ofs b' ofs' } + {~ assign_copy_ok ty b ofs b' ofs' }. Proof with try (right; intuition omega). intros. unfold assign_copy_ok. - assert (alignof_blockcopy ty > 0). - { unfold alignof_blockcopy. apply Z.min_case. omega. apply alignof_pos. } + assert (alignof_blockcopy ty > 0) by apply alignof_blockcopy_pos. destruct (Zdivide_dec (alignof_blockcopy ty) (Int.unsigned ofs')); auto... destruct (Zdivide_dec (alignof_blockcopy ty) (Int.unsigned ofs)); auto... assert (Y: {b' <> b \/ |