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| author | Xavier Leroy <xavier.leroy@gmail.com> | 2015-09-20 15:23:38 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@gmail.com> | 2015-09-20 15:23:38 +0200 |
| commit | 9147350fdb47f3471ce6d9202b7c996f79ffab2d (patch) | |
| tree | f47977b33fa0975d614cc9bc2e4a22c996a96401 /backend/Constprop.v | |
| parent | db0a62a01bbf90617701b68917319767159bf039 (diff) | |
| download | compcert-kvx-9147350fdb47f3471ce6d9202b7c996f79ffab2d.tar.gz compcert-kvx-9147350fdb47f3471ce6d9202b7c996f79ffab2d.zip | |
Experiment: track the scopes of local variables via __builtin_debug.
C2C: the code that insert debug builtins with the line numbers is now
in Unblock. Handle calls to __builtin_debug.
Unblock: generate __builtin_debug(1) for line numbers, carrying
the list of active scopes as extra arguments.
Generate __builtin_debug(6) for local variable declarations,
carrying the corresponding scope number as extra argument.
Constprop: avoid duplicating debug arguments that are constants already.
PrintAsmaux: show this extra debug info as comments.
Diffstat (limited to 'backend/Constprop.v')
| -rw-r--r-- | backend/Constprop.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/backend/Constprop.v b/backend/Constprop.v index cd844d30..8f4cb76d 100644 --- a/backend/Constprop.v +++ b/backend/Constprop.v @@ -144,9 +144,9 @@ Fixpoint debug_strength_reduction (ae: AE.t) (al: list (builtin_arg reg)) := | a :: al => let a' := builtin_arg_reduction ae a in let al' := a :: debug_strength_reduction ae al in - match a' with - | BA_int _ | BA_long _ | BA_float _ | BA_single _ => a' :: al' - | _ => al' + match a, a' with + | BA _, (BA_int _ | BA_long _ | BA_float _ | BA_single _) => a' :: al' + | _, _ => al' end end. |