diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-02-23 08:23:10 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2014-02-23 08:23:10 +0000 |
| commit | 11db3838a8cbfd09ecca368e87305054832a4719 (patch) | |
| tree | b48fb36fe0709ea794ffecbfca92680e3227edc3 /backend/XTL.mli | |
| parent | 5af448143e8d548a8d73d8ed613156e331ca0e0b (diff) | |
In Regalloc, dead code elimination, don't eliminate move operations
that pop the x87 FP stack (var <- FP0). Otherwise, (void) f();
where f returns a float eventually produces a FP stack overflow.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2416 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/XTL.mli')
| -rw-r--r-- | backend/XTL.mli | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/backend/XTL.mli b/backend/XTL.mli index 21671e9..75a3d65 100644 --- a/backend/XTL.mli +++ b/backend/XTL.mli @@ -65,6 +65,10 @@ val vlocs: loc list -> var list val vmreg: mreg -> var val vmregs: mreg list -> var list +(* Tests over variables *) + +val is_stack_reg: var -> bool + (* Sets of variables *) module VSet: Set.S with type elt = var |