similar to: [LLVMdev] llvm microblaze port - severe data hazards

Sorry if this is a duplicate: I tried to send it last night and it didn't go through. I'm trimming some text to see if it helps. I have a simple program that fails on the Microblaze: int main() { unsigned long long x, y; x = 100; y = 0x8000000000000000ULL; return !(x > y); } As you can see, the test case compares two unsigned long long values. To try to track

Hi, we have seen proper register numbers when we have generated assembly files through clang but when we generated dump files from object file then we didn't see expected register numbers. Note : all registers are replaced with R0 *Disassembly of section .text:00000000 <main>: 0: 3000ffcc addik r0, r0, -52 4: f8000000 swi r0, r0, 0 8:

Hello All, I was trying to add Microblaze target to LLVM backend. I was able to generate object file with relocations. and debug symbols. When I try to link this object file with microblaze GCC linker I am getting below errors and debug symbols are missing in it. mb-objdump: DWARF error: found dwarf version '15877', this reader only handles version 2, 3, 4 and 5 information

On Saturday, April 18, 2020, David Blaikie <dblaikie at gmail.com> wrote: > > > On Sat, Apr 18, 2020 at 3:02 AM Nagaraju Mekala via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > >> Hello All, >> >> I was trying to add Microblaze target to LLVM backend. I was able to >> generate object file with relocations. and debug symbols. >>

On Sat, Apr 18, 2020 at 11:11 PM David Blaikie <dblaikie at gmail.com> wrote: > > Yeah, not sure - you mention the linker produces errors, but the errors you showed looked like objdump errors? Were those errors from trying to dump the linked executable, and not errors that were produced by the linker itself? Yes, as mentioned earlier I was able to generate final executable but it

Hi James, Thanks for reply. When I looked in to the generated debug dump from the object file I found that DW_AT_name is always (indirect string, offset: 0x0): clang version 8.0.1, instead of variable names. Below is a sample output of the debug dump. Compilation Unit @ offset 0x0: Length: 0x6a (32-bit) Version: 4 Abbrev Offset: 0x0 Pointer Size: 4

The Sparc, Microblaze, and Mips code generators implement branch delay slots. They all seem to exhibit the same bug, which is not surprising since the code is very similar. If I compile code with this snippit: while (n--) *s++ = (char) c; I get this (for the Microblaze): swi r19, r1, 0 add r3, r0, r0 cmp r3, r3, r7 beqid r3,

On Jan 29, 2010, at 9:42 AM, Wesley Peck wrote: > I have been working on a LLVM backend for the MicroBlaze soft-processor: > http://www.xilinx.com/tools/microblaze.htm > http://en.wikipedia.org/wiki/MicroBlaze Very Cool! > Attached is the initial MicroBlaze patch. It does the following: > 1. Adds mblaze as a target in configure and configure.ac > 2. Adds mblaze specific

I have been working on a LLVM backend for the MicroBlaze (http://en.wikipedia.org/wiki/MicroBlaze ) soft-processor. At this point the backend is partially functional but by no means complete. I was curious as to wether the LLVM developers would prefer to merge the backend into the main tree now and then accept patches on the backend until it was fully functional or if they prefer to wait

conmfigure does not accept mblaze nor mblaze-elf as target. checking target system type... Invalid configuration `mblaze': machine `mblaze' not recognized configure: error: /bin/bash ../../spare/llvm/autoconf/config.sub mblaze failed However with microblaze it proceeds fine. But when i try to use clang i get: clang: error: 'microblaze-unknown-none': unable to pass LLVM bit-code

Hi Fivos, LLVM refers to the target as "mblaze" for -target. -Jim On Jun 26, 2012, at 8:42 AM, Fivos <fivosz at gmail.com> wrote: > Hello, > > i am trying to create a LLVM stack to cross compile c code targeting the > xilinx microblaze. > > I built LLVM configured with target=microblaze however cland doesn't > like it. When i try to emit llvm code

Hello, i am trying to create a LLVM stack to cross compile c code targeting the xilinx microblaze. I built LLVM configured with target=microblaze however cland doesn't like it. When i try to emit llvm code i get the following error: unknown target triple 'microblaze-unknown-none', please use -triple or -arch How should i configure my LLVM stack and then how should i run the tools

I have been working on a LLVM backend for the MicroBlaze soft-processor: http://www.xilinx.com/tools/microblaze.htm http://en.wikipedia.org/wiki/MicroBlaze Attached is the initial MicroBlaze patch. It does the following: 1. Adds mblaze as a target in configure and configure.ac 2. Adds mblaze specific intrinsics in include/llvm/IntrinsicsMBlaze.td and include/llvm/Intrinsics.td 3. Adds mblaze

On Jan 30, 2010, at 6:49 AM, Anton Korobeynikov wrote: >> Your patch looks very clean. Some comments: > Heh, Jakob was faster :) I have taken care of everything Jakob mentioned except the extra test cases. I will get to these as soon as I can. > >> - I think you have some literal tabs in your instruction descriptions. > The tabs can be seen in some other places as well.

I have done some clean up on the MicroBlaze backend as requested by Anton Korobeynikov and Jakob Olesen. The new MicroBlaze backend patch is attached to this email. The patch is inclusive of the previous patch so you do not need to apply the previous patch before applying this patch. The new patch updated the following compared to the previous revision: 1. Removed unneeded options opting to use

It has been a long time since I've been able to actually work with LLVM. It's good to be back. I know that the Microblaze code generator has been dropped due to the lack of a maintainer. I'm keeping it around in my source tree and will try to keep it current until it can be brought back into the LLVM fold. I finally tracked down a problem that has been bugging me for a while with

folks hi, something i just wanted to double-check. is it possible to use, with LLVM, entirely free software tools to build and upload to a xilinx microblaze FPGA target? i take some c code, put it through llvm-fpga, aaand... then what? is there any documentation about this stuff, anywhere? tia, l.

Hi guys, I'm new here. I want to write a backend for a microblaze clone, aemb. ( http://www.aeste.my/aemb). I already copy the existing Mblaze target and rename it into aemb and it work exactly as Mblaze, for now. My plan after this is to modify it according to my aemb core. The difference between aemb and MBlaze is that aemb support *two threads*. Any advise or guide where should I dig into

> Your patch looks very clean. Some comments: Heh, Jakob was faster :) > - I think you have some literal tabs in your instruction descriptions. The tabs can be seen in some other places as well. Also, there is a "mix" of coding conventions in the files. It will be really nice to use only one :) > - Your tests are nice, but you could use some more of them. I would recommend

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