Displaying 2 results from an estimated 2 matches for "qpu".
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2014 May 28
2
[LLVMdev] Partially complete LLVM backend for the VideoCore 4
Hello,
For a while I've been working on an LLVM backend for Broadcom's
VideoCore 4, the GPU made famous by the Raspberry Pi. This isn't the
QPU, for which Broadcom released docs a little while ago; it's the main
processor, which is a VC4 core.
It's a rather elegant thing with two cores, 32 registers, a built-in DSP
and an extremely nice instruction set; reverse engineered docs (based on
publically available information) are availa...
2014 May 29
2
[LLVMdev] Partially complete LLVM backend for the VideoCore 4
...munity wasn't much help either.
(I eventually got it generating code, but the stack frames were
hopelessly mangled and I never did figure out what was wrong. gcc's
frame pointer elimination is... exciting.)
[...]
> http://www.raspberrypi.org/a-birthday-present-from-broadcom/).
Yes, the QPU is really interesting. Unfortunately I prefer my processors
to have... how do I put it... memory operations!
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