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

[Brox Chen via llvm-commits]

================
@@ -233,12 +233,70 @@
 # GFX12: v_and_or_b32_e64_dpp v255, v255, v255, src_scc dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x57,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00]
 0xff,0x00,0x57,0xd6,0xea,0xfe,0xf7,0x03,0xff,0x00,0x00,0x00
 
-# GFX12: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
 0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05
 
-# GFX12: v_ashrrev_i16_e64_dpp v255, v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W32-REAL16: v_ashrrev_i16_e64_dpp v255.l, v255.l, v255.l dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v255.l, v255.l, v255.l dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
 0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00
 
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x58,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x58,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+0x05,0x58,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.h, v2.l op_sel:[1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.h, v2.l op_sel:[1,0,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+0x05,0x08,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.h op_sel:[0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v5.l, v1.l, v2.h op_sel:[0,1,0] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x10,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v5, v1, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
+0x05,0x10,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05
+
+# W32-REAL16: v_ashrrev_i16_e64_dpp v255.h, v255.l, v255.l op_sel:[0,0,1] dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x40,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W32-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W64-REAL16: v_ashrrev_i16_e64_dpp v255.h, v255.l, v255.l op_sel:[0,0,1] dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x40,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+# W64-FAKE16: v_ashrrev_i16_e64_dpp v255, v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x00,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00]
+0xff,0x40,0x3a,0xd7,0xea,0xfe,0x03,0x00,0xff,0x00,0x00,0x00
+
+# GFX11: v_ashrrev_i16_e64_dpp v5.h, v1.h, v2.h op_sel:[1,1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x58,0x3a,0xd7,0xe9,0x04,0x02,0x00,0x01,0x77,0x39,0x05]
----------------
broxigarchen wrote:

removed all

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