[llvm] [AMDGPU][True16][MC] Support VOP3 only instructions with true16 and fake16 (PR #109891)

[Joe Nash via llvm-commits]

================
@@ -413,48 +413,142 @@
 # GFX12: v_and_or_b32_e64_dpp v255, v255, v255, src_scc row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x57,0xd6,0xfa,0xfe,0xf7,0x03,0xff,0x6f,0x0d,0x30]
 0xff,0x00,0x57,0xd6,0xfa,0xfe,0xf7,0x03,0xff,0x6f,0x0d,0x30
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1b,0x00,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0xe4,0x00,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x40,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x41,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x01,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x0f,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x11,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x1f,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x21,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x2f,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
 0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13
 
-# GFX12: v_ashrrev_i16_e64_dpp v255, v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v255.l, v255.l, v255.l row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v255.l, v255.l, v255.l row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
 0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30
 
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.h, v2.l op_sel:[1,0,0] row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x08,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.h, v2.l op_sel:[1,0,0] row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x08,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
+0x05,0x08,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.h op_sel:[0,1,0] row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x10,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.h op_sel:[0,1,0] row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x10,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13]
+0x05,0x10,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x60,0x01,0x13
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v255.h, v255.l, v255.l op_sel:[0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x40,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v255.h, v255.l, v255.l op_sel:[0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x40,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
+0xff,0x40,0x3a,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30
+
+# GFX11: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff]
+0x05,0x58,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x50,0x01,0xff
+
+# GFX11: v_ashrrev_i16_e64_dpp v5.l, v1.h, v2.l op_sel:[1,0,0] row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x08,0x3a,0xd7,0xfa,0x04,0x02,0x00,0x01,0x5f,0x01,0x01]
----------------
Sisyph wrote:

Stray gfx11 check

https://github.com/llvm/llvm-project/pull/109891