diff options
author | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2009-01-11 11:57:02 +0000 |
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committer | xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e> | 2009-01-11 11:57:02 +0000 |
commit | bb9d14a3f95fc0e3c8cad10d8ea8e2b2738da7fc (patch) | |
tree | 3efa5cb51e9bb3edc935f42dbd630fce9a170804 /backend/Bounds.v | |
parent | cd2449aabe7b259b0fdb8aaa2af65c2b8957ab32 (diff) |
- Added alignment constraints to memory loads and stores.
- In Cminor and below, removed pointer validity check in semantics of
comparisons, so that evaluation of expressions is independent of
memory state.
- In Cminor and below, removed "alloc" instruction.
- Cleaned up commented-away parts.
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@945 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
Diffstat (limited to 'backend/Bounds.v')
-rw-r--r-- | backend/Bounds.v | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/backend/Bounds.v b/backend/Bounds.v index e598245..d1ed28d 100644 --- a/backend/Bounds.v +++ b/backend/Bounds.v @@ -26,8 +26,7 @@ Require Import Conventions. (** The [bounds] record capture how many local and outgoing stack slots and callee-save registers are used by a function. *) -(** We demand that all bounds are positive or null, - and moreover [bound_outgoing] is greater or equal to 6. +(** We demand that all bounds are positive or null. These properties are used later to reason about the layout of the activation record. *) @@ -104,7 +103,6 @@ Definition regs_of_instr (i: instruction) : list mreg := | Lstore chunk addr args src => nil | Lcall sig ros => nil | Ltailcall sig ros => nil - | Lalloc => nil | Llabel lbl => nil | Lgoto lbl => nil | Lcond cond args lbl => nil |