Index: llvm/lib/Target/AMDGPU/VOP3PInstructions.td
===================================================================
--- llvm/lib/Target/AMDGPU/VOP3PInstructions.td
+++ llvm/lib/Target/AMDGPU/VOP3PInstructions.td
@@ -35,7 +35,7 @@
                FP16InputMods:$src2_modifiers, VCSrc_f16:$src2);
     dag dpp_srcs =
           (ins FPVRegInputMods:$src0_modifiers, VGPRSrc_32:$src0,
-               FP16InputMods:$src1_modifiers, VCSrc_f16:$src1,
+               FPVRegInputMods:$src1_modifiers, VGPRSrc_32:$src1,
                FP16InputMods:$src2_modifiers, VCSrc_f16:$src2);
 
            // FIXME: clampmod0 misbehaves with the non-default vdst_in
Index: llvm/test/MC/AMDGPU/gfx11_err.s
===================================================================
--- llvm/test/MC/AMDGPU/gfx11_err.s
+++ llvm/test/MC/AMDGPU/gfx11_err.s
@@ -77,3 +77,21 @@
 
 v_dot4c_i32_i8 v0, v1, v2
 // GFX11: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
+
+v_fma_mix_f32_e64_dpp v5, s1, v3, v4 quad_perm:[3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+
+v_fma_mix_f32_e64_dpp v5, v1, s3, v4 quad_perm:[3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+
+v_fma_mix_f32_e64_dpp v5, s1, v3, v4 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+
+v_fma_mix_f32_e64_dpp v5, v1, s3, v4 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+
+v_fma_mixhi_f16_e64_dpp v5, v1, 0, v4 quad_perm:[3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
+
+v_fma_mixlo_f16_e64_dpp v5, v1, 1, v4 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction