diff options
| author |  xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-04-20 07:54:52 +0000 |
|---|---|---|
| committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2013-04-20 07:54:52 +0000 |
| commit | 255cee09b71255051c2b40eae0c88bffce1f6f32 (patch) | |
| tree | 7951b1b13e8fd5e525b9223e8be0580e83550f55 /backend/Constpropproof.v | |
| parent | 6e5041958df01c56762e90770abd704b95a36e5d (diff) | |
Big merge of the newregalloc-int64 branch. Lots of changes in two directions:
1- new register allocator (+ live range splitting, spilling&reloading, etc)
based on a posteriori validation using the Rideau-Leroy algorithm
2- support for 64-bit integer arithmetic (type "long long").
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2200 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/Constpropproof.v')
| -rw-r--r-- | backend/Constpropproof.v | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/backend/Constpropproof.v b/backend/Constpropproof.v index 580d551..a6385f4 100644 --- a/backend/Constpropproof.v +++ b/backend/Constpropproof.v @@ -186,6 +186,11 @@ Proof. destruct chunk; simpl; auto. congruence. eapply IHil; eauto. omega. + (* Init_int64 *) + destruct H. destruct (zeq pos 0). subst. rewrite Zplus_0_r in H0. + destruct chunk; simpl; auto. + congruence. + eapply IHil; eauto. omega. (* Init_float32 *) destruct H. destruct (zeq pos 0). subst. rewrite Zplus_0_r in H0. destruct chunk; simpl; auto. destruct (propagate_float_constants tt); simpl; auto. |