[AMDGPU] Fix encoding of VOP3P dpp on GFX11 and GFX12 (#82710)

The bug affects dpp forms of v_dot2_f32_f16. The encoding does not match
SP3 and does not set op_sel_hi bits properly.

11 files changed, 25 insertions, 22 deletions

diff --git a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
index cf76de40aef4..ac3c8f95306b 100644
--- a/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -1353,6 +1353,7 @@ class VOP3P_DPP16<bits<7> op, VOP_DPP_Pseudo ps, int subtarget,
   let AssemblerPredicate = HasDPP16;
   let SubtargetPredicate = HasDPP16;
   let OtherPredicates = ps.OtherPredicates;
+  let IsPacked = ps.IsPacked;
 }
 
 class VOP3P_DPP8_Base<bits<7> op, VOP_Pseudo ps, string opName = ps.OpName>
@@ -1362,6 +1363,7 @@ class VOP3P_DPP8_Base<bits<7> op, VOP_Pseudo ps, string opName = ps.OpName>
   let SchedRW = ps.SchedRW;
   let Uses = ps.Uses;
   let OtherPredicates = ps.OtherPredicates;
+  let IsPacked = ps.IsPacked;
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/AMDGPU/VOPInstructions.td b/llvm/lib/Target/AMDGPU/VOPInstructions.td
index 2989d05e968e..80d7d96a5e3c 100644
--- a/llvm/lib/Target/AMDGPU/VOPInstructions.td
+++ b/llvm/lib/Target/AMDGPU/VOPInstructions.td
@@ -818,6 +818,7 @@ class VOP_DPP_Pseudo <string OpName, VOPProfile P, list<dag> pattern=[],
   let VALU = 1;
   let DPP = 1;
   let Size = 8;
+  let IsPacked = P.IsPacked;
 
   let ReadsModeReg = !or(P.DstVT.isFP, P.Src0VT.isFP);
 
diff --git a/llvm/test/MC/AMDGPU/gfx11-promotions.s b/llvm/test/MC/AMDGPU/gfx11-promotions.s
index 0bd90266457e..67e7beaa262f 100644
--- a/llvm/test/MC/AMDGPU/gfx11-promotions.s
+++ b/llvm/test/MC/AMDGPU/gfx11-promotions.s
@@ -337,17 +337,17 @@ v_dot2_f32_f16_e64 v0, v1, v2, v3
 //===----------------------------------------------------------------------===//
 
 v_dot2_f32_f16 v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x00,0x13,0xcc,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x40,0x13,0xcc,0xe9,0x04,0x0e,0x1c,0x01,0x77,0x39,0x05]
 
 v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x00,0x13,0xcc,0xe9,0x04,0x0e,0x04,0x01,0x77,0x39,0x05]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x40,0x13,0xcc,0xe9,0x04,0x0e,0x1c,0x01,0x77,0x39,0x05]
 
 //===----------------------------------------------------------------------===//
 // VOP3P.DPP16.
 //===----------------------------------------------------------------------===//
 
 v_dot2_f32_f16 v0, v1, v2, v3 quad_perm:[1,2,3,0]
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[1,2,3,0] row_mask:0xf bank_mask:0xf ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x39,0x00,0xff]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[1,2,3,0] row_mask:0xf bank_mask:0xf ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x39,0x00,0xff]
 
 v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[1,2,3,0]
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[1,2,3,0] row_mask:0xf bank_mask:0xf ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x39,0x00,0xff]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[1,2,3,0] row_mask:0xf bank_mask:0xf ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x39,0x00,0xff]
diff --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp16.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp16.s
index 2cfb8abd4e97..3ff4ed27f1b2 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp16.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp16.s
@@ -2,10 +2,10 @@
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=-wavefrontsize32,+wavefrontsize64 -show-encoding %s | FileCheck --check-prefixes=GFX11 %s
 
 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[0,0,0] neg_hi:[0,0,0] quad_perm:[2,2,3,1] bound_ctrl:0 fi:1
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf fi:1 ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x04,0xff]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf fi:1 ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x04,0xff]
 
 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] bank_mask:0xe
-// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe]
+// GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe]
 
 v_fma_mix_f32 v0, v1, v2, v3 op_sel:[0,0,0] row_ror:7 bank_mask:0x1 bound_ctrl:0
 // GFX11: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 row_ror:7 row_mask:0xf bank_mask:0x1 ; encoding: [0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x01,0xf1]
diff --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp8.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp8.s
index 2656ba0cf180..3fb993dc8bec 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp8.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop3p_dpp8.s
@@ -15,4 +15,4 @@ v_fma_mixlo_f16 v0, abs(v1), -v2, abs(v3) op_sel:[1,0,0] op_sel_hi:[1,0,0] dpp8:
 // GFX11: encoding: [0x00,0x0d,0x21,0xcc,0xe9,0x04,0x0e,0x4c,0x01,0x92,0x44,0x92]
 
 v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: encoding: [0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05]
+// GFX11: encoding: [0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05]
diff --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp16.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp16.s
index 75bd1696e10b..a6360684f1d0 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp16.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp16.s
@@ -2,10 +2,10 @@
 // RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -mattr=-wavefrontsize32,+wavefrontsize64 -show-encoding %s | FileCheck --check-prefixes=GFX12 %s
 
 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[0,0,0] neg_hi:[0,0,0] quad_perm:[2,2,3,1] bound_ctrl:0 fi:1
-// GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf fi:1 ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x04,0xff]
+// GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf fi:1 ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x04,0xff]
 
 v_dot2_f32_f16 v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] bank_mask:0xe
-// GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe]
+// GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe]
 
 v_fma_mix_f32 v0, v1, v2, v3 op_sel:[0,0,0] row_ror:7 bank_mask:0x1 bound_ctrl:0
 // GFX12: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 row_ror:7 row_mask:0xf bank_mask:0x1 ; encoding: [0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x01,0xf1]
diff --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp8.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp8.s
index 14cf169d4b42..299339339e8c 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp8.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop3p_dpp8.s
@@ -15,7 +15,7 @@ v_fma_mixlo_f16 v0, abs(v1), -v2, abs(v3) op_sel:[1,0,0] op_sel_hi:[1,0,0] dpp8:
 // GFX12: encoding: [0x00,0x0d,0x21,0xcc,0xe9,0x04,0x0e,0x4c,0x01,0x92,0x44,0x92]
 
 v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: encoding: [0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05]
+// GFX12: encoding: [0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05]
 
 v_dot4_f32_fp8_bf8 v0, v1, v2, v3 dpp8:[0,1,2,3,4,5,6,7]
 // GFX12: v_dot4_f32_fp8_bf8_e64_dpp v0, v1, v2, v3 dpp8:[0,1,2,3,4,5,6,7] ; encoding: [0x00,0x40,0x24,0xcc,0xe9,0x04,0x0e,0x1c,0x01,0x88,0xc6,0xfa]
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp16.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp16.txt
index 6b230367c831..ceca6d9fc3fa 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp16.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp16.txt
@@ -1,11 +1,11 @@
 # RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX11 %s
 # RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=-WavefrontSize32,+WavefrontSize64 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX11 %s
 
-# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe]
-0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe
+# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe]
+0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe
 
-# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf bound_ctrl:1 fi:1 ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x0c,0xff]
-0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x0c,0xff
+# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf bound_ctrl:1 fi:1 ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x0c,0xff]
+0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x0c,0xff
 
 # GFX11: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 row_ror:7 row_mask:0xf bank_mask:0x1 bound_ctrl:1 ; encoding: [0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x09,0xf1]
 0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x09,0xf1
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp8.txt
index 89c9b54d7cfe..57c96170eadc 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3p_dpp8.txt
@@ -1,8 +1,8 @@
 # RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX11 %s
 # RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=-WavefrontSize32,+WavefrontSize64 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX11 %s
 
-# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05]
-0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05
+# GFX11: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05]
+0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05
 
 # GFX11: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 clamp dpp8:[2,2,2,2,4,4,4,4] fi:1 ; encoding: [0x00,0x80,0x20,0xcc,0xea,0x04,0x0e,0x04,0x01,0x92,0x44,0x92]
 0x00,0x80,0x20,0xcc,0xea,0x04,0x0e,0x04,0x01,0x92,0x44,0x92
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp16.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp16.txt
index 52fd0530681c..10f438465d65 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp16.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp16.txt
@@ -1,11 +1,11 @@
 # RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX12 %s
 # RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -mattr=-wavefrontsize32,+wavefrontsize64 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX12 %s
 
-# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe]
-0x00,0x05,0x13,0xcc,0xfa,0x04,0x0e,0x64,0x01,0x1b,0x00,0xfe
+# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[1,1,0] neg_hi:[1,0,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xe ; encoding: [0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe]
+0x00,0x45,0x13,0xcc,0xfa,0x04,0x0e,0x7c,0x01,0x1b,0x00,0xfe
 
-# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf bound_ctrl:1 fi:1 ; encoding: [0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x0c,0xff]
-0x00,0x00,0x13,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x7a,0x0c,0xff
+# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 quad_perm:[2,2,3,1] row_mask:0xf bank_mask:0xf bound_ctrl:1 fi:1 ; encoding: [0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x0c,0xff]
+0x00,0x40,0x13,0xcc,0xfa,0x04,0x0e,0x1c,0x01,0x7a,0x0c,0xff
 
 # GFX12: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 row_ror:7 row_mask:0xf bank_mask:0x1 bound_ctrl:1 ; encoding: [0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x09,0xf1]
 0x00,0x00,0x20,0xcc,0xfa,0x04,0x0e,0x04,0x01,0x27,0x09,0xf1
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp8.txt
index 688212e51c42..2fb9c23ed5ec 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3p_dpp8.txt
@@ -1,8 +1,8 @@
 # RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX12 %s
 # RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -mattr=-wavefrontsize32,+wavefrontsize64 -disassemble -show-encoding < %s | FileCheck -check-prefix=GFX12 %s
 
-# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05]
-0x00,0x05,0x13,0xcc,0xe9,0x04,0x0e,0xc4,0x01,0x77,0x39,0x05
+# GFX12: v_dot2_f32_f16_e64_dpp v0, v1, v2, v3 neg_lo:[0,1,1] neg_hi:[1,0,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05]
+0x00,0x45,0x13,0xcc,0xe9,0x04,0x0e,0xdc,0x01,0x77,0x39,0x05
 
 # GFX12: v_fma_mix_f32_e64_dpp v0, v1, v2, v3 clamp dpp8:[2,2,2,2,4,4,4,4] fi:1 ; encoding: [0x00,0x80,0x20,0xcc,0xea,0x04,0x0e,0x04,0x01,0x92,0x44,0x92]
 0x00,0x80,0x20,0xcc,0xea,0x04,0x0e,0x04,0x01,0x92,0x44,0x92