Displaying 3 results from an estimated 3 matches for "mov32o32a".
2013 Nov 27
0
[LLVMdev] Some bugs in x86 disasm (llvm-mc)
Hi Jun,
I'm not sure how to fix this yet, but this looks incorrectly defined in
lib/Target/X86/X86InstrInfo.td:
def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
"mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
Requires<[In32BitMode]>;
This instruction can be REX-prefixed for a 64-bit move, and that also
doesn't appear to be defined an...
2013 Nov 27
3
[LLVMdev] Some bugs in x86 disasm (llvm-mc)
Hi,
With objdump, i have this (Intel syntax)
64 a1 00 00 00 00 mov eax,fs:0x0
However, if I pass above string to llvm-mc, I would have:
$ echo "0x64 0xa1 0x00 0x00 0x00 0x00"|./Release+Asserts/bin/llvm-mc
-disassemble -arch=x86 --output-asm-variant=1
.text
mov eax, dword ptr [0]
You can see a big difference. This is on the latest code. Any idea how to
2014 Jan 14
2
[LLVMdev] Some bugs in x86 disasm (llvm-mc)
On Thu, Nov 28, 2013 at 1:03 AM, Kay Tiong Khoo <kkhoo at perfwizard.com>wrote:
> Hi Jun,
>
> I'm not sure how to fix this yet, but this looks incorrectly defined in
> lib/Target/X86/X86InstrInfo.td:
>
> def MOV32o32a : Ii32 <0xA1, RawFrm, (outs), (ins offset32:$src),
> "mov{l}\t{$src, %eax|eax, $src}", [], IIC_MOV_MEM>,
> Requires<[In32BitMode]>;
>
> This instruction can be REX-prefixed for a 64-bit move, and that also
> doesn't...