Joe Nash e243ead6fc Reland [AMDGPU] gfx11 vop3dpp instructions ...

There was an issue with encoding wide (>64 bit) instructions on
BigEndian hosts, which is fixed in D127195. Therefore reland this.

gfx11 adds the ability to use dpp modifiers on vop3 instructions.
This patch adds machine code layer support for that. The MCCodeEmitter
is changed to use APInt instead of uint64_t to support these wider
instructions.

Patch 16/N for upstreaming of AMDGPU gfx11 architecture

Differential Revision: https://reviews.llvm.org/D126483

2022-06-07 14:49:13 -04:00

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