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author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2011-04-09 16:59:13 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2011-04-09 16:59:13 +0000 |
commit | abe2bb5c40260a31ce5ee27b841bcbd647ff8b88 (patch) | |
tree | ae109a136508da283a9e2be5f039c5f9cca4f95c /powerpc/Asmgenretaddr.v | |
parent | ffd6080f9e1e742c73ac38354b31c6fc4e3963ba (diff) | |
download | compcert-abe2bb5c40260a31ce5ee27b841bcbd647ff8b88.tar.gz compcert-abe2bb5c40260a31ce5ee27b841bcbd647ff8b88.zip |
Merge of branch "unsigned-offsets":
- In pointer values "Vptr b ofs", interpret "ofs" as an unsigned int.
(Fixes issue with wrong comparison of pointers across 0x8000_0000)
- Revised Stacking pass to not use negative SP offsets.
- Add pointer validity checks to Cminor ... Mach
to support the use of memory injections in Stacking.
- Cleaned up Stacklayout modules.
- IA32: improved code generation for Mgetparam.
- ARM: improved code generation for op-immediate instructions.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1632 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'powerpc/Asmgenretaddr.v')
-rw-r--r-- | powerpc/Asmgenretaddr.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/powerpc/Asmgenretaddr.v b/powerpc/Asmgenretaddr.v index ae3c2bdb..a15bf736 100644 --- a/powerpc/Asmgenretaddr.v +++ b/powerpc/Asmgenretaddr.v @@ -179,11 +179,11 @@ Proof. Qed. Lemma return_address_exists: - forall f c, is_tail c f.(fn_code) -> + forall f sg ros c, is_tail (Mcall sg ros :: c) f.(fn_code) -> exists ra, return_address_offset f c ra. Proof. intros. assert (is_tail (transl_code f c) (transl_function f)). - unfold transl_function. IsTail. apply transl_code_tail; auto. + unfold transl_function. IsTail. apply transl_code_tail; eauto with coqlib. destruct (is_tail_code_tail _ _ H0) as [ofs A]. exists (Int.repr ofs). constructor. auto. Qed. |