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| author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-09-02 12:42:19 +0000 |
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| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2010-09-02 12:42:19 +0000 |
| commit | 265fa07b34a813ba9d8249ddad82d71e6002c10d (patch) | |
| tree | 45831b1793c7920b10969fc7cf6316c202d78e91 /backend/RTLtypingaux.ml | |
| parent | 94470fb6a652cb993982269fcb7a0e8319b54488 (diff) | |
| download | compcert-265fa07b34a813ba9d8249ddad82d71e6002c10d.tar.gz compcert-265fa07b34a813ba9d8249ddad82d71e6002c10d.zip | |
Merge of the reuse-temps branch:
- Reload temporaries are marked as destroyed (set to Vundef) across
operations in the semantics of LTL, LTLin, Linear and Mach,
allowing Asmgen to reuse them.
- Added IA32 port.
- Cleaned up float conversions and axiomatization of floats.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1499 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/RTLtypingaux.ml')
| -rw-r--r-- | backend/RTLtypingaux.ml | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/backend/RTLtypingaux.ml b/backend/RTLtypingaux.ml index 657c4daa..7549ff49 100644 --- a/backend/RTLtypingaux.ml +++ b/backend/RTLtypingaux.ml @@ -45,6 +45,8 @@ let type_instr retty (Coq_pair(pc, i)) = | Iop(Omove, _, _, _) -> () | Iop(op, args, res, _) -> + if two_address_op op && List.length args >= 1 && List.hd args <> res + then raise (Type_error "two-address constraint violation"); let (Coq_pair(targs, tres)) = type_of_operation op in set_types args targs; set_type res tres | Iload(chunk, addr, args, dst, _) -> |