Displaying 14 results from an estimated 14 matches for "encodeinstruct".
2020 Feb 04
3
Reporting source errors from MCCodeEmitter::encodeInstruction() ?
...er it doesn't prevent
generation of an incorrect output file or change the process exit
code.
We'd prefer not to resort to report_fatal_error() since that isn't a
polite way to diagnose problems in the source.
Is there a sensible way to properly signal a source error from the
level of encodeInstruction()? Or is it expected that all such errors
are reported earlier?
2015 Sep 14
2
TableGen MCInstrDesc Instruction Size Zero
...tern const MCInstrDesc TestInsts[] = {...{ 23, 3, 1, 0, 0, 0, 0x0ULL,
nullptr, nullptr, OperandInfo13, 0, nullptr }, // Inst #23 = ADD8_rr...}*
I parse the instruction successfully but I am not sure what I did wrong
that the Size (as you can see in the line above is Zero for this
instruction. (In EncodeInstruction, Desc.getSize() returns zero.)
Any help is appreciated....
Cheers,
ES
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150914/fab4931f/attachment.html>
2017 Aug 26
2
Error in generating Object Code for implemented assembly vector instructions
...b/x86_64-linux-gnu/libc.so.6+0x36eca)
#7 0x000000000195f6c0 LLVMInstallFatalErrorHandler
lib/Support/ErrorHandling.cpp:133:0
#8 0x0000000000c08966 llvm::X86II::getSizeOfImm(unsigned long)
lib/Target/X86/MCTargetDesc/X86BaseInfo.h:577:29
#9 0x0000000000c04c2a (anonymous
namespace)::X86MCCodeEmitter::encodeInstruction(llvm::MCInst const&,
llvm::raw_ostream&, llvm::SmallVectorImpl<llvm::MCFixup>&,
llvm::MCSubtargetInfo const&) const
lib/Target/X86/MCTargetDesc/X86MCCodeEmitter.cpp:1512:67
#10 0x00000000015884b3 llvm::MCELFStreamer::EmitInstToData(llvm::MCInst
const&, llvm::MCSubtarget...
2010 Nov 17
1
[LLVMdev] [llvm-commits] [patch] ARM/MC/ELF add new stub for movt/movw in ARMFixupKinds
...> On Nov 11, 2010, at 7:06 PM, Jason Kim wrote:
>
>> Is getBinaryCodeForInst the best place to place the case for
>> supporting movt/movw fixup emission?
>> The call stack seems to be:
>>
>> #0 ARMMCCodeEmitter::getBinaryCodeForInstr
>> #1 ARMMCCodeEmitter::EncodeInstruction
>> #2 MCELFStreamer::EmitInstToData
>> #3 MCObjectStreamer::EmitInstruction
>> #4 ARMAsmPrinter::EmitInstruction
>> <arm-mc-elf-s08.patch>_______________________________________________
>> llvm-commits mailing list
>> llvm-commits at cs.uiuc.edu
>>...
2011 Dec 23
0
[LLVMdev] Proposal for -filetype=obj full big endian support
Well, not so flawlessly.
Yes, I get hello world working, but the current place to fix up the instructions (EncodeInstruction) is too early and misses the final expression fixups. I also continue to struggle in the lib/Target/<local target>/MCTargetDesc area to get clean, easy and elegant access to the environment such as chip/instruction variants let alone endianess.
Finally, I still shouldn't be worrying a...
2018 Apr 06
0
wrong operand in getBinaryCodeForInstr
...lt;< 16;*
* // op: imm16*
* op = getMachineOpValue(MI, MI.getOperand(0), Fixups, STI); ->
should be operand[1]*
* Value |= op & UINT64_C(65535);*
* break;*
* }*
I have added different encoder method for operand(1) but that operand is
not even propagated in Encodeinstruction..
by the way,this is how I have defined BGEID..
*def : Pat<(brcond (setcc (i32 GR32:$L), (i32 GR32:$R), SETGE), bb:$T),*
* (BGEID (CMP GR32:$L, GR32:$R), bb:$T)>;*
*def BGEID : TBT<0b101110, (outs), (ins GR32:$ra, brtarget:$offset),
"bgeid\t$ra,$offset", [], IIC_...
2012 Nov 30
0
[LLVMdev] Support for bundles of MCInst?
...verything you need with the latter.
> Those issues aside, it sounds like the streamer already understands how to
> process and print sub-instructions, which is good.
Actually, no. The streamer knows nothing at all about sub-instructions. It's the responsibility of the printInstruction/encodeInstruction methods in your printer or decoder know that they need to recurse onto the contents of the bundle.
> Will the size of the
> packet be properly accounted for by the MCObjectStreamer if we have to pad
> the packet (mainly for fetch alignment)?
The MC system (including relaxation) is cap...
2012 Nov 30
3
[LLVMdev] Support for bundles of MCInst?
Hello Owen,
> There should already be sufficient support for what you're trying to do.
See
> MCOperand::CreateInst(). The concept is that you'll build a composite
MCInst in
> your AsmPrinter::EmitInstruction() method, which uses Inst-type MCOperands
to
> hold a list of sub-instructions. Then you call
AsmStreamer::EmitInstruction() on the
> composite MCInst.
Thanks for
2013 Oct 10
0
[LLVMdev] [PATCH] R600/SI: Embed disassembly in ELF object
...SmallVector<char, 16> CodeBytes;
> + raw_svector_ostream CodeStream(CodeBytes);
> +
> + MCObjectStreamer &ObjStreamer = (MCObjectStreamer &)OutStreamer;
> + MCCodeEmitter &InstEmitter = ObjStreamer.getAssembler().getEmitter();
> + InstEmitter.EncodeInstruction(TmpInst, CodeStream, Fixups);
> + CodeStream.flush();
> +
> + HexLines.resize(HexLines.size() + 1);
> + std::string &HexLine = HexLines.back();
> + raw_string_ostream HexStream(HexLine);
> +
> + for (size_t i = 0; i < CodeBytes.size(); i += 4)...
2013 Oct 10
2
[LLVMdev] [PATCH] R600/SI: Embed disassembly in ELF object
Hi,
This patch adds R600/SI disassembly text to compiled object files, when
a code dump is requested, to assist debugging in Mesa clients.
Here's an example of the output in a Mesa client with a corresponding
patch and RADEON_DUMP_SHADERS set:
Shader Disassembly:
S_WQM_B64 EXEC, EXEC ; BEFE0A7E
S_MOV_B32 M0, SGPR6 ; BEFC0306
2017 Jan 13
2
NDS32 V3 backend
Hi all,
On behalf of Andes Technology Corp,
I am proposing a backend targeting the NDS32 V3 ISA.
NDS32 V3 ISA is a 16/32 bit mixed instruction set architecture that
developed By AndesTech.
You can find more information at the Andes website <http://www.andestech.com/>,
and reference AndeStar ISA Manual (V3 ISA) from document download page
<http://www.andestech.com/product.php?cls=9>.
2010 Jul 16
0
[LLVMdev] Win32 COFF Support - Patch 3
...a()->setHasInstructions(true);
> +
> + // FIXME: Who owns this memory?
> + MCInstFragment *Fragment =
> + new MCInstFragment(Instruction, getSectionData());
> +
> + {
> + raw_svector_ostream VecOS(Fragment->getCode());
> +
> + getAssembler().getEmitter().EncodeInstruction(Instruction, VecOS, Fragment->getFixups());
> +
> + // VecOS's destructor calls flush.
> + }
The nested block here is unnecessary.
> +
> + AddFragment(Fragment);
> }
>
> void WinCOFFStreamer::Finish() {
--
Thanks again for your work, I'm please to see...
2010 Jul 14
2
[LLVMdev] Win32 COFF Support - Patch 3
On Sun, Jul 11, 2010 at 6:10 PM, Chris Lattner <clattner at apple.com> wrote:
> This probably needs to be slightly tweaked to work with mainline. I don't see anything objectionable, but I think Daniel needs to review this one.
Updated patch to work with mainline.
http://github.com/Bigcheese/llvm-mirror/commit/d19a4c82c18afc4830c09b70f02d162292231c94
- Michael Spencer
2017 Sep 05
2
Issues in Vector Add Instruction Machine Code Emission
I was getting same error when i keep both EVEX/EVEX_4V and TA. So, i
restored my original instructions and for that i have to include
bool HasTA = TSFlags & X86II::TA; in x86MCCodeEmitter.cpp
then used this condition;
if(HasTA)
++SrcRegNum;
in order to emit binary correctly.
Is it right?
On Tue, Sep 5, 2017 at 5:45 AM, Craig Topper <craig.topper at gmail.com> wrote:
>