Displaying 5 results from an estimated 5 matches for "rv8".
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2017 Dec 19
3
Register Allocation Graph Coloring algorithm and Others
...n k, the set of physical registers, one spills the the register that has the largest distance between its next use. At least that is how I am thinking about this problem. I am also a novice with regards to register allocation.
I intend to develop a register allocator for use in this JIT engine:
rv8: a high performance RISC-V to x86 binary translator
Michael Clark, Bruce Hoult
https://carrv.github.io/papers/clark-rv8-carrv2017.pdf
Our JIT already performs almost twice as fast a QEMU and we are using a static register allocation, and QEMU i believe has a register allocator. We are mapping a...
2017 May 12
2
FENV_ACCESS and floating point LibFunc calls
On 11 May 2017 at 18:30, Michael Clark via llvm-dev
<llvm-dev at lists.llvm.org> wrote:
> I note that on your bug that you have stated that the branch is faster than
> the conditional move. Faster code is a side effect of the fix in this
> particular case.
On the contrary: the faster code is pretty much the only reason this
can happen before the rest of the FENV support lands.
2017 Jun 14
4
LLD support for mach-o aliases (weak or otherwise)
...ser simulator so the kernel ABI is probably the technically correct layer. The full system emulator ultimately needs to use Hypervisor.framework if I am to use hardware paging instead of soft MMU. I have two simulators, a user-mode sim that emulates the Linux ABI and a full system emulator: https://rv8.io/ <https://rv8.io/> and I really want to support RISC-V Linux on macOS in the user mode simulator.
>
> Proper Linux ABI emulation on macOS would ultimately require kernel support, at minimum something like binfmt misc, but ideally a kext that implements another ABI personality (much...
2017 Jun 14
1
LLD support for mach-o aliases (weak or otherwise)
> On Jun 6, 2017, at 4:08 PM, Michael Clark via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> Hi Folks,
>
> I’m working on a port of musl libc to macos (arch triple is “x86_64-xnu-musl”) to solve some irreconcilable issues I’m having with libSystem.dylib. I don’t want to use glibc for various reasons, mainly because I want to static link. I have static PIE + ASLR working
2017 Jun 06
4
LLD support for mach-o aliases (weak or otherwise)
Hi Folks,
I’m working on a port of musl libc to macos (arch triple is “x86_64-xnu-musl”) to solve some irreconcilable issues I’m having with libSystem.dylib. I don’t want to use glibc for various reasons, mainly because I want to static link. I have static PIE + ASLR working which is not actually supported by the Apple toolchain (*1), but I managed to get it to work. I’m sure Apple might say