[llvm] [AMDGPU] Allow dpp in v_pk_fmac_f16 for GFX9 and GFX10 (PR #144782)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -0,0 +1,10 @@
+# RUN: llvm-mc -triple=amdgcn -mcpu=gfx908 -disassemble -show-encoding < %s | FileCheck -check-prefix=CHECK-MI %s
+
+# CHECK-MI: v_pk_fmac_f16_e32 v5, v1, v2
+0x01,0x05,0x0a,0x78
+
+# CHECK-MI: v_pk_fmac_f16_dpp v5, v1, v2 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf
+0xfa,0x04,0x0a,0x78,0x01,0xe4,0x00,0xff
+
+# CHECK-MI: v_pk_fmac_f16_dpp v5, v1, v2 quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0
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rampitec wrote:

sdwa disasm tests needed.

https://github.com/llvm/llvm-project/pull/144782