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proposed bugfix for issue #436 #437

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proposed bugfix for issue #436 #437

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d6d8cbb
proposed bugfix for issue #436
Jun 22, 2022
b14d831
new proposition using a jump macro this time
Jun 23, 2022
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4 changes: 3 additions & 1 deletion riscV/Asm.v
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Expand Up @@ -751,7 +751,9 @@ Definition exec_instr (f: function) (i: instruction) (rs: regset) (m: mem) : out
| Pj_l l =>
goto_label f l rs m
| Pj_s s sg =>
Next (rs#PC <- (Genv.symbol_address ge s Ptrofs.zero)) m
Next (rs#PC <- (Genv.symbol_address ge s Ptrofs.zero)
#X31 <- Vundef
) m
| Pj_r r sg =>
Next (rs#PC <- (rs#r)) m
| Pjal_s s sg =>
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3 changes: 2 additions & 1 deletion riscV/Asmgenproof.v
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Expand Up @@ -815,7 +815,8 @@ Local Transparent destroyed_by_op.
traceEq.
(* match states *)
econstructor; eauto.
apply agree_set_other; auto with asmgen.
eapply agree_exten; eauto. intros.
Simpl.
Simpl. unfold Genv.symbol_address. rewrite symbols_preserved. rewrite H. auto.

- (* Mbuiltin *)
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2 changes: 1 addition & 1 deletion riscV/TargetPrinter.ml
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Expand Up @@ -320,7 +320,7 @@ module Target : TARGET =
| Pj_l(l) ->
fprintf oc " j %a\n" print_label l
| Pj_s(s, sg) ->
fprintf oc " j %a\n" symbol s
fprintf oc " jump %a, x31\n" symbol s
| Pj_r(r, sg) ->
fprintf oc " jr %a\n" ireg r
| Pjal_s(s, sg) ->
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