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| author | Bernhard Schommer <bernhardschommer@gmail.com> | 2016-08-05 14:05:34 +0200 |
|---|---|---|
| committer | Bernhard Schommer <bernhardschommer@gmail.com> | 2016-08-05 14:05:34 +0200 |
| commit | 028aaefc44b8ed8bafd8b8896fedb53f6e68df3c (patch) | |
| tree | d7f9325da52050a64e5c9ced1017a4f57c674ff3 /backend/Allocproof.v | |
| parent | 4ac759d0bceef49d16197e3bb8c9767ece693c5e (diff) | |
| download | compcert-028aaefc44b8ed8bafd8b8896fedb53f6e68df3c.tar.gz compcert-028aaefc44b8ed8bafd8b8896fedb53f6e68df3c.zip | |
Implement support for big endian arm targets.
Adds support for the big endian arm targets by making the target
endianess flag configurable, adding support for the big endian
calling conventions, rewriting memory access patterns and adding
big endian versions of the runtime functions.
Bug 19418
Diffstat (limited to 'backend/Allocproof.v')
| -rw-r--r-- | backend/Allocproof.v | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/backend/Allocproof.v b/backend/Allocproof.v index 154c1e2e..47dac12f 100644 --- a/backend/Allocproof.v +++ b/backend/Allocproof.v @@ -1890,7 +1890,8 @@ Proof. { eapply loc_unconstrained_satisf. eapply can_undef_satisf; eauto. eapply reg_unconstrained_satisf. eauto. eapply add_equations_satisf; eauto. assumption. - rewrite Regmap.gss. apply Val.lessdef_trans with v1'; auto. + rewrite Regmap.gss. + apply Val.lessdef_trans with v1'; unfold sel_val; unfold kind_first_word; unfold v1'; destruct Archi.big_endian; auto. } exploit (exec_moves mv2); eauto. intros [ls3 [A3 B3]]. assert (LD3: Val.lessdef_list rs##args (reglist ls3 args2')). @@ -1906,7 +1907,8 @@ Proof. assert (SAT4: satisf (rs#dst <- v) ls4 e0). { eapply loc_unconstrained_satisf. eapply can_undef_satisf; eauto. eapply add_equations_satisf; eauto. assumption. - rewrite Regmap.gss. apply Val.lessdef_trans with v2'; auto. + rewrite Regmap.gss. + apply Val.lessdef_trans with v2'; unfold sel_val; unfold kind_second_word; unfold v2'; destruct Archi.big_endian; auto. } exploit (exec_moves mv3); eauto. intros [ls5 [A5 B5]]. econstructor; split. @@ -1938,7 +1940,8 @@ Proof. set (ls2 := Locmap.set (R dst') v1'' (undef_regs (destroyed_by_load Mint32 addr) ls1)). assert (SAT2: satisf (rs#dst <- v) ls2 e0). { eapply parallel_assignment_satisf; eauto. - apply Val.lessdef_trans with v1'; auto. + apply Val.lessdef_trans with v1'; + unfold sel_val; unfold kind_first_word; unfold v1'; destruct Archi.big_endian; auto. eapply can_undef_satisf. eauto. eapply add_equations_satisf; eauto. } exploit (exec_moves mv2); eauto. intros [ls3 [A3 B3]]. @@ -1968,7 +1971,7 @@ Proof. set (ls2 := Locmap.set (R dst') v2'' (undef_regs (destroyed_by_load Mint32 addr2) ls1)). assert (SAT2: satisf (rs#dst <- v) ls2 e0). { eapply parallel_assignment_satisf; eauto. - apply Val.lessdef_trans with v2'; auto. + apply Val.lessdef_trans with v2'; unfold sel_val; unfold kind_second_word; unfold v2'; destruct Archi.big_endian; auto. eapply can_undef_satisf. eauto. eapply add_equations_satisf; eauto. } exploit (exec_moves mv2); eauto. intros [ls3 [A3 B3]]. |