[llvm] [X86] Support lowering of FMINIMUMNUM/FMAXIMUMNUM (PR #121464)

[Matt Arsenault via llvm-commits]

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@@ -1904,8 +1904,8 @@ define <3 x half> @v_maximumnum_v3f16_nnan(<3 x half> %x, <3 x half> %y) {
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; GFX8-NEXT:    v_max_f16_sdwa v4, v0, v2 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:WORD_1
 ; GFX8-NEXT:    v_max_f16_e32 v0, v0, v2
-; GFX8-NEXT:    v_or_b32_e32 v0, v0, v4
 ; GFX8-NEXT:    v_max_f16_e32 v1, v1, v3
+; GFX8-NEXT:    v_or_b32_e32 v0, v0, v4
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arsenm wrote:

I think all these are just scheduling changes which don't matter 

https://github.com/llvm/llvm-project/pull/121464