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authorJacques-Henri Jourdan <jacques-henri.jourdan@inria.fr>2015-11-04 03:04:21 +0100
committerJacques-Henri Jourdan <jacques-henri.jourdan@inria.fr>2015-11-04 03:04:21 +0100
commit5664fddcab15ef4482d583673c75e07bd1e96d0a (patch)
tree878b22860e69405ba5cf6fd2798731dac8ce660c /backend/Liveness.v
parentb960c83725d7e185ac5c6e3c0d6043c7dcd2f556 (diff)
parentfe73ed58ef80da7c53c124302a608948fb190229 (diff)
downloadcompcert-5664fddcab15ef4482d583673c75e07bd1e96d0a.tar.gz
compcert-5664fddcab15ef4482d583673c75e07bd1e96d0a.zip
Merge remote-tracking branch 'origin/master' into parser_fix
Diffstat (limited to 'backend/Liveness.v')
-rw-r--r--backend/Liveness.v10
1 files changed, 5 insertions, 5 deletions
diff --git a/backend/Liveness.v b/backend/Liveness.v
index b8a5f965..16533158 100644
--- a/backend/Liveness.v
+++ b/backend/Liveness.v
@@ -60,7 +60,7 @@ Fixpoint reg_list_dead
an instruction is that a register is live before if either
it is one of the arguments of the instruction, or it is not the result
of the instruction and it is live after.
- However, if the result of a side-effect-free instruction is not
+ However, if the result of a side-effect-free instruction is not
live ``after'', the whole instruction will be removed later
(since it computes a useless result), thus its arguments need not
be live ``before''. *)
@@ -122,11 +122,11 @@ Lemma analyze_solution:
In s (successors_instr i) ->
Regset.Subset (transfer f s live!!s) live!!n.
Proof.
- unfold analyze; intros. eapply DS.fixpoint_solution; eauto.
- intros. unfold transfer; rewrite H2. apply DS.L.eq_refl.
+ unfold analyze; intros. eapply DS.fixpoint_solution; eauto.
+ intros. unfold transfer; rewrite H2. apply DS.L.eq_refl.
Qed.
-(** Given an RTL function, compute (for every PC) the list of
+(** Given an RTL function, compute (for every PC) the list of
pseudo-registers that are used for the last time in the instruction
at PC. These are the registers that are used or defined by the instruction
and dead afterwards. *)
@@ -145,4 +145,4 @@ Definition last_uses (f: function) : PTree.t (list reg) :=
| Some live => PTree.map (last_uses_at live) f.(fn_code)
end.
-
+