[llvm-bugs] [Bug 28168] New: [mc][gfx7] v_cvt_pk*, v_lerp*, v_*sad* -- implement

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28168

            Bug ID: 28168
           Summary: [mc][gfx7] v_cvt_pk*, v_lerp*, v_*sad* -- implement
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: AMDGPU
          Assignee: artem.tamazov at amd.com
          Reporter: artem.tamazov at amd.com
                CC: llvm-bugs at lists.llvm.org, nikolay.haustov at amd.com
    Classification: Unclassified

Created attachment 16569
  --> https://llvm.org/bugs/attachment.cgi?id=16569&action=edit
09035.tests_tg_gfx7_asm_lit1_bug.06.08.min.v_cvt_pk_etc_u8.zip

The following opcodes are not supported:
> v_cvt_pk_u8_f32
> v_lerp_u8
> v_mqsad_pk_u16_u8
> v_msad_u8
> v_sad_hi_u8
> v_sad_u16
> v_sad_u8

Number of failing lit1 tests (-search=simple) = 9035.

The issue may appear for other sub-targets as well, e.g. gfx8 (not verified).

Tested with r272673 (git # da10a460d7c98278561225fda90855b303675f35)

Lit tests attached.

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