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author | Xavier Leroy <xavier.leroy@inria.fr> | 2017-06-15 15:11:26 +0200 |
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committer | Bernhard Schommer <bschommer@users.noreply.github.com> | 2017-07-06 15:41:51 +0200 |
commit | dff22ef6d855973e0e0f05c7203a6bfa9a4cf01a (patch) | |
tree | 82c09b8cff023557084d6257acdef84b1311dd35 /backend/Deadcode.v | |
parent | 92fc8a425034abc1247203a4c0d471e8b6d0e941 (diff) | |
download | compcert-dff22ef6d855973e0e0f05c7203a6bfa9a4cf01a.tar.gz compcert-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.v | 2 |
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 := |