[CakeML-Dev] Fwd: [CakeML/cakeml] b835dc: Move asm_ok up to word_to_stack
Magnus Myreen
magnus.myreen at gmail.com
Mon Oct 17 08:38:09 UTC 2016
The following commit contains a comment:
need to assume something on all stack lookup/store sizes?
I don't think there should be. Instead the implementation should break
problematic stack load/store/shrinks into multiple instructions, eg if
store arg, [sp+40000]
is not encodable, then do something like:
add sp, 20000
add sp, 20000
store arg, [sp]
sub sp, 20000
sub sp, 20000
Is this possible?
Cheers,
Magnus
---------- Forwarded message ---------
From: GitHub <noreply at github.com>
Date: Mon, 17 Oct 2016 at 07:13
Subject: [CakeML/cakeml] b835dc: Move asm_ok up to word_to_stack
To: <commits at cakeml.org>
Branch: refs/heads/asm_ok
Home: https://github.com/CakeML/cakeml
Commit: b835dc96e0442cc883b47044e01fd492253c0244
https://github.com/CakeML/cakeml/commit/b835dc96e0442cc883b47044e01fd492253c0244
Author: Yong Kiam <tanyongkiam at gmail.com>
Date: 2016-10-17 (Mon, 17 Oct 2016)
Changed paths:
M compiler/backend/lab_to_targetScript.sml
M compiler/backend/proofs/stack_to_labProofScript.sml
M compiler/backend/semantics/labPropsScript.sml
Log Message:
-----------
Move asm_ok up to word_to_stack
- there are 3 probably unprovable cheats to do with over sized stack arguments
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