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authorXavier Leroy <xavier.leroy@inria.fr>2017-06-15 15:11:26 +0200
committerBernhard Schommer <bschommer@users.noreply.github.com>2017-07-06 15:41:51 +0200
commitdff22ef6d855973e0e0f05c7203a6bfa9a4cf01a (patch)
tree82c09b8cff023557084d6257acdef84b1311dd35 /backend/Deadcode.v
parent92fc8a425034abc1247203a4c0d471e8b6d0e941 (diff)
downloadcompcert-kvx-dff22ef6d855973e0e0f05c7203a6bfa9a4cf01a.tar.gz
compcert-kvx-dff22ef6d855973e0e0f05c7203a6bfa9a4cf01a.zip
Extend builtin arguments with a pointer addition operator
This extension enables more addressing modes to be encoded as builtin arguments and used in conjunction with volatile memory accesses. Current status: x86 port only, the only new addressing mode handled is reg + offset.
Diffstat (limited to 'backend/Deadcode.v')
-rw-r--r--backend/Deadcode.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/backend/Deadcode.v b/backend/Deadcode.v
index e5b2ce3a..f491d678 100644
--- a/backend/Deadcode.v
+++ b/backend/Deadcode.v
@@ -68,6 +68,8 @@ Fixpoint transfer_builtin_arg (nv: nval) (na: NA.t) (a: builtin_arg reg) : NA.t
| BA_loadglobal chunk id ofs => (ne, nmem_add nm (Gl id ofs) (size_chunk chunk))
| BA_splitlong hi lo =>
transfer_builtin_arg All (transfer_builtin_arg All na hi) lo
+ | BA_addptr hi lo =>
+ transfer_builtin_arg All (transfer_builtin_arg All na hi) lo
end.
Definition transfer_builtin_args (na: NA.t) (al: list (builtin_arg reg)) : NA.t :=