[wasm] Reuse constrained input for same vreg

src/compiler/ia32/instruction-scheduler-ia32.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/instruction-scheduler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 bool InstructionScheduler::SchedulerSupported() { return true; }
 
 
 int InstructionScheduler::GetTargetInstructionFlags(
     const Instruction* instr) const {
   switch (instr->arch_opcode()) {
     case kIA32Add:
     case kIA32And:
     case kIA32Cmp:
     case kIA32Cmp16:
     case kIA32Cmp8:
     case kIA32Test:
     case kIA32Test16:
     case kIA32Test8:
     case kIA32Or:
     case kIA32Xor:
     case kIA32Sub:
     case kIA32Imul:
     case kIA32ImulHigh:
+    case kIA32Umul:
     case kIA32UmulHigh:
     case kIA32Not:
     case kIA32Neg:
     case kIA32Shl:
     case kIA32Shr:
     case kIA32Sar:
     case kIA32AddPair:
     case kIA32SubPair:
-    case kIA32MulPair:
     case kIA32ShlPair:
     case kIA32ShrPair:
     case kIA32SarPair:
     case kIA32Ror:
     case kIA32Lzcnt:
     case kIA32Tzcnt:
     case kIA32Popcnt:
     case kIA32Lea:
     case kSSEFloat32Cmp:
     case kSSEFloat32Add:
@@ skipping 161 matching lines @@
     case kArchTruncateDoubleToI:
       return 9;
     default:
       return 1;
   }
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8