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| author | Xavier Leroy <xavier.leroy@college-de-france.fr> | 2020-12-23 15:54:51 +0100 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@college-de-france.fr> | 2020-12-26 18:44:28 +0100 |
| commit | c50680bb86564fe61db61e6140a418ccc7d36677 (patch) | |
| tree | 58f8731421325939c93546df3c9046fbf96a051e /aarch64/SelectOp.vp | |
| parent | 73551e058a850297bc72924a69b39affcfa49dfa (diff) | |
| download | compcert-kvx-c50680bb86564fe61db61e6140a418ccc7d36677.tar.gz compcert-kvx-c50680bb86564fe61db61e6140a418ccc7d36677.zip | |
AArch64: macOS port
This commit adds support for macOS (and probably iOS) running on
AArch64 / ARM 64-bit / "Apple silicon" processors.
Diffstat (limited to 'aarch64/SelectOp.vp')
| -rw-r--r-- | aarch64/SelectOp.vp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/aarch64/SelectOp.vp b/aarch64/SelectOp.vp index 5bd96987..b5a03989 100644 --- a/aarch64/SelectOp.vp +++ b/aarch64/SelectOp.vp @@ -536,10 +536,18 @@ Definition select (ty: typ) (cond: condition) (args: exprlist) (e1 e2: expr) := (** ** Recognition of addressing modes for load and store operations *) +(** Some symbols are relocatable (e.g. external symbols in macOS) + and cannot be used with [Aglobal] addressing mode. *) + +Parameter symbol_is_relocatable: ident -> bool. + Nondetfunction addressing (chunk: memory_chunk) (e: expr) := match e with | Eop (Oaddrstack n) Enil => (Ainstack n, Enil) - | Eop (Oaddrsymbol id ofs) Enil => (Aglobal id ofs, Enil) + | Eop (Oaddrsymbol id ofs) Enil => + if symbol_is_relocatable id + then (Aindexed (Ptrofs.to_int64 ofs), Eop (Oaddrsymbol id Ptrofs.zero) Enil ::: Enil) + else (Aglobal id ofs, Enil) | Eop (Oaddlimm n) (e1:::Enil) => (Aindexed n, e1:::Enil) | Eop (Oaddlshift Slsl a) (e1:::e2:::Enil) => (Aindexed2shift a, e1:::e2:::Enil) | Eop (Oaddlext x a) (e1:::e2:::Enil) => (Aindexed2ext x a, e1:::e2:::Enil) |