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2015 Oct 23
3
[AMDGPU] AMDGPUAsmParser fails to parse several instructions
...seems to me that
both are valid instructions after looking at the SI instruction spec.
s_mov_b32 s0, 0xfe5163ab
v_mad_f32 v9, 0.5, v5, -v8
To reproduce this, I write this two lines in a text file and run
llvm-mc -arch=amdgcn -mcpu=kaveri input.s
The first line has the following error message:
sop1-playground.s:1:15: error: invalid immediate: only 32-bit values are
legal
s_mov_b32 s0, 0xfe5163ab
^
sop1-playground.s:1:25: error: failed parsing operand.
s_mov_b32 s0, 0xfe5163ab
^
The part of stack dump:
...
#9 0x4711ee (anony...
2015 Oct 24
2
[AMDGPU] AMDGPUAsmParser fails to parse several instructions
...p is much appreciated.
On Sat, Oct 24, 2015 at 2:12 AM, Matt Arsenault <arsenm2 at gmail.com> wrote:
>
> > On Oct 23, 2015, at 3:36 AM, 李弘宇 via llvm-dev <llvm-dev at lists.llvm.org>
> wrote:
>
> > The first line has the following error message:
> >
> > sop1-playground.s:1:15: error: invalid immediate: only 32-bit values are
> legal
> > s_mov_b32 s0, 0xfe5163ab
>
> I’ve fixed this problem in r251132.
>
Thanks for the reply and the quick fix of negative 32-bit immediate.
> >
> > The second line of the assembly has the a...