similar to: Complex proposal v2

Ahead of the Wednesday’s roundtable at the developers’ conference, here is version three of the proposal for first-class complex types in LLVM. I was not able to add Krzysztof Parzyszek’s suggestion of a “cunzip” intrinsic returning two vectors as I could not find examples of intrinsics that return two values at the IR level. The Hexagon intrinsics declared to return two values do not actually

Hi, There’s growing interest among our users to make better use of dedicated hardware instructions for complex math and I would like to re-start the discussion on the topic. Given that this original thread was started a while ago apologies if I missed anything already discussed earlier on the list or the round-table. The original mail is quoted below. In particular, I’m interested in the AArch64

Hey all, I volunteered to put together a proposal regard complex in LLVM. Consider the following to be a strawman meant to spark discussion. It's based on real-world experience with complex but is not expected to cover all use-cases. Proposal to Support Complex Operations in LLVM ---------------------------------------------- Abstract Several vendors and individuals have proposed

Krzysztof Parzyszek via llvm-dev <llvm-dev at lists.llvm.org> writes: >> -----Original Message----- >> From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of David Greene >> via llvm-dev >> Sent: Thursday, August 29, 2019 10:05 AM >> To: llvm-dev <llvm-dev at lists.llvm.org> >> Subject: [EXT] [llvm-dev] Complex proposal v2 >>

> Why? I'd prefer we avoid introducing even more special cases. Is there > any reason why we should not define "complex <scalar type>", or to be > more restrictive, "complex <floating-point type>"? I really don't like > the idea of excluding 128-bit complex types, and I think that we can > have a generic facility. Hal, we had 128-bit

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> The C55 and C64 builds diverge in exactly the same place as before (byte > 0x1000). The output from C55 build 11387 (svn head) diverges from C55 build > 11343 slightly later (byte 0x1116). Similarly, the output from C64 build > 11387 (svn head) diverges from C64 build 11343 slightly later (byte 0x1126). > So, your change clearly had an effect, not just on the 16-bit machine,

"Finkel, Hal J." <hfinkel at anl.gov> writes: > I think that it's really important that we're specific about the goals > here. Exactly what kinds of optimizations are we aiming to (more-easily) > enable? There certainly exists hardware with instructions that help > vectorize complex multiplication, for example, and having a builtin > complex type would

Krzysztof Parzyszek via llvm-dev <llvm-dev at lists.llvm.org> writes: > Vectorization must know the data layout: whether we have vectors (r1, > i1, r2, i2...) or (r1, r2, ...), (i1, i2, ...). These two approaches > are not compatible. If you have vector registers that can hold 8 > floats, with the first approach you can load 4 complex numbers in a > single instruction, then

Hi! I want to know if a given element <- ('c64') is part of a vector<- ('c64', 'amiga', 'atari'). Does a function exist for this which gives back a logical value? thankx db

The builds that I referred to in my last mail should be 11398 and 11387, not 11387 and 11343. Sorry for any confusion. - Jim ----- Original Message ----- From: "Jim Crichton" <jim.crichton@comcast.net> To: "Jean-Marc Valin" <Jean-Marc.Valin@USherbrooke.ca> Cc: <speex-dev@xiph.org> Sent: Wednesday, May 10, 2006 11:47 AM Subject: Re: [Speex-dev] Speex echo

>> My builds for the two platforms used exactly the same source files, >> though >> there were a few ifdefs in the test_echo routine to deal with file I/O >> for >> the C55 with its 16-bit char size. When I get a chance, I will add some >> instrumentation and see if I can find where things diverge. Just looking >> at >> the canceled audio files

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Tim Northover <t.p.northover at gmail.com> writes: > On Mon, 1 Jul 2019 at 19:56, David Greene via llvm-dev > <llvm-dev at lists.llvm.org> wrote: >> llvm.creal.* - Overloaded intrinsic to extract the real part of a >> complex value >> declare float @llvm.creal.c32(c32 %Val) >> declare double @llvm.creal.c64(c64 %Val) > > What are

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On 4/3/23 15:50, Michael Milton wrote: > Okay, but I'm afraid this will only mean something to Rust users. The > reason being that we encountered this issue in extendr: a Rust > extension library for R. The specific compiler errors we encounter > happen because bindgen (the Rust code generation library) read the > changed R header files, and generated a new type definition