Index: lib/Target/AMDGPU/SIInstructions.td
===================================================================
--- lib/Target/AMDGPU/SIInstructions.td
+++ lib/Target/AMDGPU/SIInstructions.td
@@ -50,11 +50,11 @@
 
 multiclass V_INTERP_P1_F32_m : VINTRP_m <
   0x00000000,
-  (outs VGPR_32:$dst),
-  (ins VGPR_32:$i, i32imm:$attr_chan, i32imm:$attr),
-  "v_interp_p1_f32 $dst, $i, $attr_chan, $attr, [m0]",
-  [(set f32:$dst, (AMDGPUinterp_p1 f32:$i, (i32 imm:$attr_chan),
-                                           (i32 imm:$attr)))]
+  (outs VGPR_32:$vdst),
+  (ins VGPR_32:$vsrc, i32imm:$attrchan, i32imm:$attr),
+  "v_interp_p1_f32 $vdst, $vsrc, $attrchan, $attr, [m0]",
+  [(set f32:$vdst, (AMDGPUinterp_p1 f32:$vsrc, (i32 imm:$attrchan),
+                                               (i32 imm:$attr)))]
 >;
 
 let OtherPredicates = [has32BankLDS] in {
@@ -63,31 +63,31 @@
 
 } // End OtherPredicates = [has32BankLDS]
 
-let OtherPredicates = [has16BankLDS], Constraints = "@earlyclobber $dst", isAsmParserOnly=1 in {
+let OtherPredicates = [has16BankLDS], Constraints = "@earlyclobber $vdst", isAsmParserOnly=1 in {
 
 defm V_INTERP_P1_F32_16bank : V_INTERP_P1_F32_m;
 
-} // End OtherPredicates = [has32BankLDS], Constraints = "@earlyclobber $dst", isAsmParserOnly=1
+} // End OtherPredicates = [has32BankLDS], Constraints = "@earlyclobber $vdst", isAsmParserOnly=1
 
-let DisableEncoding = "$src0", Constraints = "$src0 = $dst" in {
+let DisableEncoding = "$src0", Constraints = "$src0 = $vdst" in {
 
 defm V_INTERP_P2_F32 : VINTRP_m <
   0x00000001,
-  (outs VGPR_32:$dst),
-  (ins VGPR_32:$src0, VGPR_32:$j, i32imm:$attr_chan, i32imm:$attr),
-  "v_interp_p2_f32 $dst, [$src0], $j, $attr_chan, $attr, [m0]",
-  [(set f32:$dst, (AMDGPUinterp_p2 f32:$src0, f32:$j, (i32 imm:$attr_chan),
-                                                     (i32 imm:$attr)))]>;
+  (outs VGPR_32:$vdst),
+  (ins VGPR_32:$src0, VGPR_32:$vsrc, i32imm:$attrchan, i32imm:$attr),
+  "v_interp_p2_f32 $vdst, [$src0], $vsrc, $attrchan, $attr, [m0]",
+  [(set f32:$vdst, (AMDGPUinterp_p2 f32:$src0, f32:$vsrc, (i32 imm:$attrchan),
+                                                          (i32 imm:$attr)))]>;
 
-} // End DisableEncoding = "$src0", Constraints = "$src0 = $dst"
+} // End DisableEncoding = "$src0", Constraints = "$src0 = $vdst"
 
 defm V_INTERP_MOV_F32 : VINTRP_m <
   0x00000002,
-  (outs VGPR_32:$dst),
-  (ins InterpSlot:$src0, i32imm:$attr_chan, i32imm:$attr),
-  "v_interp_mov_f32 $dst, $src0, $attr_chan, $attr, [m0]",
-  [(set f32:$dst, (AMDGPUinterp_mov (i32 imm:$src0), (i32 imm:$attr_chan),
-                                    (i32 imm:$attr)))]>;
+  (outs VGPR_32:$vdst),
+  (ins InterpSlot:$src0, i32imm:$attrchan, i32imm:$attr),
+  "v_interp_mov_f32 $vdst, $src0, $attrchan, $attr, [m0]",
+  [(set f32:$vdst, (AMDGPUinterp_mov (i32 imm:$src0), (i32 imm:$attrchan),
+                                     (i32 imm:$attr)))]>;
 
 } // End Uses = [M0, EXEC]
 
Index: test/MC/Disassembler/AMDGPU/vinterp.txt
===================================================================
--- test/MC/Disassembler/AMDGPU/vinterp.txt
+++ test/MC/Disassembler/AMDGPU/vinterp.txt
@@ -1,5 +1,5 @@
 # RUN: llvm-mc -arch=amdgcn -mcpu=fiji -disassemble < %s | FileCheck %s -check-prefix=VI
 
 #TODO: this test will fail when we fix v_interp_p2_f32 signature, remove it then
-#VI: v_interp_p2_f32 16, [/*Missing OP1*/], /*Missing OP2*/, /*Missing OP3*/, /*Missing OP4*/
+#VI: v_interp_p2_f32 v7, [v7], v212, 1, 16, [m0]
 0xd4 0x41 0x1d 0xd4