diff options
author | Xavier Leroy <xavier.leroy@inria.fr> | 2017-04-28 15:56:59 +0200 |
---|---|---|
committer | Xavier Leroy <xavier.leroy@inria.fr> | 2017-04-28 16:05:51 +0200 |
commit | f642817f0dc761e51c3bd362f75b0068a8d4b0c8 (patch) | |
tree | b5830bb772611d2271c4b7d26f162d5c200dd788 /lib/Camlcoq.ml | |
parent | 2fbdb0c45f0913b9fd8e95606c525fc5bfb3bc6d (diff) | |
download | compcert-f642817f0dc761e51c3bd362f75b0068a8d4b0c8.tar.gz compcert-f642817f0dc761e51c3bd362f75b0068a8d4b0c8.zip |
RISC-V port and assorted changes
This commits adds code generation for the RISC-V architecture, both in 32- and 64-bit modes.
The generated code was lightly tested using the simulator and cross-binutils from https://riscv.org/software-tools/
This port required the following additional changes:
- Integers: More properties about shrx
- SelectOp: now provides smart constructors for mulhs and mulhu
- SelectDiv, 32-bit integer division and modulus: implement constant propagation, use the new smart constructors mulhs and mulhu.
- Runtime library: if no asm implementation is provided, run the reference C implementation through CompCert. Since CompCert rejects the definitions of names of special functions such as __i64_shl, the reference implementation now uses "i64_" names, e.g. "i64_shl", and a renaming "i64_ -> __i64_" is performed over the generated assembly file, before assembling and building the runtime library.
- test/: add SIMU make variable to run tests through a simulator
- test/regression/alignas.c: make sure _Alignas and _Alignof are not #define'd by C headers
commit da14495c01cf4f66a928c2feff5c53f09bde837f
Author: Xavier Leroy <xavier.leroy@inria.fr>
Date: Thu Apr 13 17:36:10 2017 +0200
RISC-V port, continued
Now working on Asmgen.
commit 36f36eb3a5abfbb8805960443d087b6a83e86005
Author: Xavier Leroy <xavier.leroy@inria.fr>
Date: Wed Apr 12 17:26:39 2017 +0200
RISC-V port, first steps
This port is based on Prashanth Mundkur's experimental RV32 port and brings it up to date with CompCert, and adds 64-bit support (RV64). Work in progress.
Diffstat (limited to 'lib/Camlcoq.ml')
-rw-r--r-- | lib/Camlcoq.ml | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Camlcoq.ml b/lib/Camlcoq.ml index 63a31181..5c25796e 100644 --- a/lib/Camlcoq.ml +++ b/lib/Camlcoq.ml @@ -272,6 +272,8 @@ let coqint_of_camlint : int32 -> Integers.Int.int = Z.of_uint32 let camlint64_of_coqint : Integers.Int64.int -> int64 = Z.to_int64 let coqint_of_camlint64 : int64 -> Integers.Int64.int = Z.of_uint64 (* interpret the int64 as unsigned so that result Z is in range for int *) +let camlint64_of_ptrofs : Integers.Ptrofs.int -> int64 = + fun x -> Z.to_int64 (Integers.Ptrofs.signed x) (* Atoms (positive integers representing strings) *) |