diff options
author | 2009-01-11 11:57:02 +0000 | |
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committer | 2009-01-11 11:57:02 +0000 | |
commit | bb9d14a3f95fc0e3c8cad10d8ea8e2b2738da7fc (patch) | |
tree | 3efa5cb51e9bb3edc935f42dbd630fce9a170804 /powerpc/Constprop.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 'powerpc/Constprop.v')
-rw-r--r-- | powerpc/Constprop.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/powerpc/Constprop.v b/powerpc/Constprop.v index 75fb148..6ec27a3 100644 --- a/powerpc/Constprop.v +++ b/powerpc/Constprop.v @@ -654,8 +654,10 @@ Definition transfer (f: function) (pc: node) (before: D.t) := D.set res Unknown before | Itailcall sig ros args => before +(* | Ialloc arg res s => D.set res Unknown before +*) | Icond cond args ifso ifnot => before | Ireturn optarg => @@ -1045,8 +1047,6 @@ Definition transf_instr (approx: D.t) (instr: instruction) := Icall sig (transf_ros approx ros) args res s | Itailcall sig ros args => Itailcall sig (transf_ros approx ros) args - | Ialloc arg res s => - Ialloc arg res s | Icond cond args s1 s2 => match eval_static_condition cond (approx_regs args approx) with | Some b => |