[PATCH] D125409: [AMDGPU] Revert wide LDS DMA support.

Fri May 13 03:17:23 PDT 2022

foad added inline comments.

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Comment at: llvm/test/MC/AMDGPU/mubuf.s:850
-
-buffer_load_dwordx3 off, s[4:7], s0 offset:4095 lds
-// NOSICI: error: not a valid operand
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arsenm wrote:
> If it actually does something, shouldn't the assembler/disassembler still recognize it? We just wouldn't continue selecting
All the documentation I've seen says you're not allowed to use the lds bit on larger-than-dword loads. Then again, this all comes from https://bugs.llvm.org/show_bug.cgi?id=37653 which says it is a "potentially useful //but still undocumented// feature"...

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125409/new/

https://reviews.llvm.org/D125409