diff --git a/src/amd/compiler/aco_assembler.cpp b/src/amd/compiler/aco_assembler.cpp
index e12fbe26028..c4f95ec97d8 100644
--- a/src/amd/compiler/aco_assembler.cpp
+++ b/src/amd/compiler/aco_assembler.cpp
@@ -385,6 +385,7 @@ emit_vintrp_instruction(asm_context& ctx, std::vector<uint32_t>& out, Instructio
       encoding = 0;
       encoding |= interp.attribute;
       encoding |= interp.component << 6;
+      encoding |= interp.high_16bits << 8;
       encoding |= reg(ctx, instr->operands[0]) << 9;
       if (instr->opcode == aco_opcode::v_interp_p2_f16 ||
           instr->opcode == aco_opcode::v_interp_p2_legacy_f16 ||
diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index 8b6b4458bd0..10f7c0e42e4 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -1403,7 +1403,8 @@ static_assert(sizeof(SDWA_instruction) == sizeof(VALU_instruction) + 4, "Unexpec
 struct VINTRP_instruction : public Instruction {
    uint8_t attribute;
    uint8_t component;
-   uint16_t padding;
+   bool high_16bits;
+   uint8_t padding;
 };
 static_assert(sizeof(VINTRP_instruction) == sizeof(Instruction) + 4, "Unexpected padding");
 
diff --git a/src/amd/compiler/aco_opt_value_numbering.cpp b/src/amd/compiler/aco_opt_value_numbering.cpp
index 281e1119a8a..4e3e3548429 100644
--- a/src/amd/compiler/aco_opt_value_numbering.cpp
+++ b/src/amd/compiler/aco_opt_value_numbering.cpp
@@ -170,11 +170,8 @@ struct InstrPred {
       case Format::VINTRP: {
          VINTRP_instruction& aI = a->vintrp();
          VINTRP_instruction& bI = b->vintrp();
-         if (aI.attribute != bI.attribute)
-            return false;
-         if (aI.component != bI.component)
-            return false;
-         return true;
+         return aI.attribute == bI.attribute && aI.component == bI.component &&
+                aI.high_16bits == bI.high_16bits;
       }
       case Format::VINTERP_INREG: {
          VINTERP_inreg_instruction& aI = a->vinterp_inreg();
diff --git a/src/amd/compiler/aco_print_ir.cpp b/src/amd/compiler/aco_print_ir.cpp
index ca3ac60d4a7..66bb079b2cf 100644
--- a/src/amd/compiler/aco_print_ir.cpp
+++ b/src/amd/compiler/aco_print_ir.cpp
@@ -427,6 +427,8 @@ print_instr_format_specific(enum amd_gfx_level gfx_level, const Instruction* ins
    case Format::VINTRP: {
       const VINTRP_instruction& vintrp = instr->vintrp();
       fprintf(output, " attr%d.%c", vintrp.attribute, "xyzw"[vintrp.component]);
+      if (vintrp.high_16bits)
+         fprintf(output, " high");
       break;
    }
    case Format::DS: {