[llvm] [AMDGPU][True16][MC] support more VOP3 inst in true16/fake16 format (PR #113603)

[Ivan Kosarev via llvm-commits]

================
@@ -2667,46 +2667,148 @@
 # GFX12: v_fma_f16_e64_dpp v255, -|v255|, -|v255|, -|src_scc| op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc7,0x48,0xd6,0xea,0xfe,0xf7,0xe3,0xff,0x00,0x00,0x00]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v3.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v3.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, s3, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, s3, v3.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, s3, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, s3, v3.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, s3, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x06,0x0c,0x04,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, v255 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v255.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v255 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v255.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v255 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, s3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, s3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, s3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, s3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, s3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, s105 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, s105 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, s105 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, s105 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, s105 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xa6,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, ttmp15 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, ttmp15 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, ttmp15 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, ttmp15 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, ttmp15 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xee,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, vcc_hi dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, vcc_hi dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, vcc_hi dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, vcc_hi dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, vcc_hi dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xae,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, vcc_lo dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, vcc_lo dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, vcc_lo dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, vcc_lo dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, vcc_lo dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xaa,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, m0 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, m0 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, m0 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, m0 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, m0 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x53,0xd6,0xe9,0x04,0xf6,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, exec_hi op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.h, v1.h, v2.h, exec_hi op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, exec_hi op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.h, v1.h, v2.h, exec_hi op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, exec_hi op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0xfe,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, exec_lo op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.h, v2.l, exec_lo op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, exec_lo op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.h, v2.l, exec_lo op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, exec_lo op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xfa,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, null op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.h, null op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, null op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.h, null op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, null op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
 
 0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05
-# GFX12: v_mad_i16_e64_dpp v5, v1, v2, -1 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, -1 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, -1 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, -1 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, -1 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
 
 0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00
-# GFX12: v_mad_i16_e64_dpp v255, v255, v255, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W32-REAL16: v_mad_i16_e64_dpp v255.h, v255.l, v255.l, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W32-FAKE16: v_mad_i16_e64_dpp v255, v255, v255, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W64-REAL16: v_mad_i16_e64_dpp v255.h, v255.l, v255.l, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W64-FAKE16: v_mad_i16_e64_dpp v255, v255, v255, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+
+0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05
+# W32-REAL16: v_mad_i16_e64_dpp v5.h, v1.h, v2.h, v3.h op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v3 op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.h, v1.h, v2.h, v3.h op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v3 op_sel:[1,1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+
+0x05,0x20,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v255.h op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v255 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.l, v255.h op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, v255 op_sel:[0,0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x20,0x53,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
+
+0x05,0x08,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.h, v2.l, null op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, null op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.h, v2.l, null op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, null op_sel:[1,0,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x53,0xd6,0xe9,0x04,0xf2,0x01,0x01,0x77,0x39,0x05]
+
+0x05,0x10,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05
+# W32-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.h, -1 op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, -1 op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_mad_i16_e64_dpp v5.l, v1.l, v2.h, -1 op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_mad_i16_e64_dpp v5, v1, v2, -1 op_sel:[0,1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x53,0xd6,0xe9,0x04,0x06,0x03,0x01,0x77,0x39,0x05]
+
+0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00
+# W32-REAL16: v_mad_i16_e64_dpp v255.h, v255.l, v255.l, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W32-FAKE16: v_mad_i16_e64_dpp v255, v255, v255, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W64-REAL16: v_mad_i16_e64_dpp v255.h, v255.l, v255.l, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+# W64-FAKE16: v_mad_i16_e64_dpp v255, v255, v255, src_scc op_sel:[0,0,0,1] clamp dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc0,0x53,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
+
+0x05,0x78,0x53,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05
----------------
kosarev wrote:

This duplicates the case at line 2753. Seems there are other duplicates as well.

https://github.com/llvm/llvm-project/pull/113603