[llvm] [AMDGPU][MC][True16] VOP3dot instruction update for true16/fake16 (PR #113474)

[Brox Chen via llvm-commits]

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@@ -3009,44 +3009,126 @@ v_pack_b32_f16_e64_dpp v5, -v1, |v2| op_sel:[1,0,0] dpp8:[7,6,5,4,3,2,1,0]
 v_pack_b32_f16_e64_dpp v255, -|v255|, -|v255| op_sel:[0,1,0] dpp8:[0,0,0,0,0,0,0,0] fi:1
 // GFX11: [0xff,0x13,0x11,0xd7,0xea,0xfe,0x03,0x60,0xff,0x00,0x00,0x00]
 
-v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 dpp8:[0,1,2,3,4,4,4,4]
-// GFX11: encoding: [0x00,0x00,0x66,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x88,0x46,0x92]
-
-v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[1,1,0,0] dpp8:[0,1,2,3,4,4,4,4]
+v_dot2_f16_f16_e64_dpp v0.l, v1, v2, v3.l op_sel:[1,1,0,0] dpp8:[0,1,2,3,4,4,4,4]
 // GFX11-ERR: :[[@LINE-1]]:{{[0-9]+}}: error: invalid op_sel operand
 
-v_dot2_f16_f16_e64_dpp v0, s1, v2, v3 dpp8:[0,1,2,3,4,4,4,4]
+v_dot2_f16_f16_e64_dpp v0.h, v1, v2, v3.h op_sel:[0,0,1,1] dpp8:[0,1,2,3,4,4,4,4]
+// GFX11: encoding: [0x00,0x60,0x66,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x88,0x46,0x92]
+
+v_dot2_f16_f16_e64_dpp v0.h, |v1|, -v2, -|s3| op_sel:[0,0,1,1] dpp8:[0,1,2,3,4,4,4,4]
+// GFX11: encoding: [0x00,0x65,0x66,0xd6,0xe9,0x04,0x0e,0xc0,0x01,0x88,0x46,0x92]
+
+v_dot2_f16_f16_e64_dpp v0.l, s1, v2, v3.l dpp8:[0,1,2,3,4,4,4,4]
 // GFX11-ERR: :[[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
 
-v_dot2_f16_f16_e64_dpp v0, v1, s2, v3 dpp8:[0,1,2,3,4,4,4,4]
+v_dot2_f16_f16_e64_dpp v0.l, v1, s2, v3.l dpp8:[0,1,2,3,4,4,4,4]
 // GFX11-ERR: :[[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
 
-v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] dpp8:[0,1,2,3,4,4,4,4]
-// GFX11: encoding: [0x00,0x60,0x66,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x88,0x46,0x92]
+v_dot2_f16_f16_e64_dpp v5.l, v1, v2, v3.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: encoding: [0x05,0x00,0x66,0xd6,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
 
-v_dot2_f16_f16_e64_dpp v0, |v1|, -v2, -|s3| op_sel:[0,0,1,1] dpp8:[0,1,2,3,4,4,4,4]
-// GFX11: encoding: [0x00,0x65,0x66,0xd6,0xe9,0x04,0x0e,0xc0,0x01,0x88,0x46,0x92]
+v_dot2_f16_f16_e64_dpp v5.l, v1, v2, v255.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: encoding: [0x05,0x20,0x66,0xd6,0xe9,0x04,0xfe,0x07,0x01,0x77,0x39,0x05]
 
-v_dot2_f16_f16_e64_dpp v5, v1, v2, 0.5 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: encoding: [0x05,0x00,0x66,0xd6,0xe9,0x04,0xc2,0x03,0x01,0x77,0x39,0x05]
+v_dot2_f16_f16_e64_dpp v5.l, v1, v2, s3 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: encoding: [0x05,0x00,0x66,0xd6,0xe9,0x04,0x0e,0x00,0x01,0x77,0x39,0x05]
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broxigarchen wrote:

same as above

https://github.com/llvm/llvm-project/pull/113474