Carl Ritson f3236bf71f [AMDGPU] Add v5f32/VReg_160 support for MIMG instructions
Avoid having to round up to v8f32/VReg_256 when only 5 VGPRs are
required for a MIMG address operand.

Maintain _V8 instruction variants of pseudo instructions allowing
assembly prior to GFX10 to work as-is.  Currently the validator
can tell for GFX10 what the correct size is, so will disallow
oversize address registers.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D103672
2021-06-08 11:11:40 +09:00
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