MIPS: Reland 17588: Add signed/unsigned 8-bit and 16-bit Representations to Crankshaft.

src/mips/lithium-codegen-mips.cc

Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc
index ecf738f913d2d2ea35a6b44f30a010055dc8ee6b..5c2d636d0dd43b45272834059bf22c4881dc49d9 100644
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2921,11 +2921,7 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
   if (access.IsExternalMemory()) {
     Register result = ToRegister(instr->result());
     MemOperand operand = MemOperand(object, offset);
-    if (access.representation().IsByte()) {
-      __ lb(result, operand);
-    } else {
-      __ lw(result, operand);
-    }
+    __ Load(result, operand, access.representation());
     return;
   }
 
@@ -2941,11 +2937,7 @@ void LCodeGen::DoLoadNamedField(LLoadNamedField* instr) {
     object = result;
   }
   MemOperand operand = FieldMemOperand(object, offset);
-  if (access.representation().IsByte()) {
-    __ lb(result, operand);
-  } else {
-    __ lw(result, operand);
-  }
+  __ Load(result, operand, access.representation());
 }
 
 
@@ -4106,11 +4098,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   if (access.IsExternalMemory()) {
     Register value = ToRegister(instr->value());
     MemOperand operand = MemOperand(object, offset);
-    if (representation.IsByte()) {
-      __ sb(value, operand);
-    } else {
-      __ sw(value, operand);
-    }
+    __ Store(value, operand, representation);
     return;
   }
 
@@ -4156,11 +4144,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
           ? OMIT_SMI_CHECK : INLINE_SMI_CHECK;
   if (access.IsInobject()) {
     MemOperand operand = FieldMemOperand(object, offset);
-    if (representation.IsByte()) {
-      __ sb(value, operand);
-    } else {
-      __ sw(value, operand);
-    }
+    __ Store(value, operand, representation);
     if (instr->hydrogen()->NeedsWriteBarrier()) {
       // Update the write barrier for the object for in-object properties.
       __ RecordWriteField(object,
@@ -4175,11 +4159,7 @@ void LCodeGen::DoStoreNamedField(LStoreNamedField* instr) {
   } else {
     __ lw(scratch, FieldMemOperand(object, JSObject::kPropertiesOffset));
     MemOperand operand = FieldMemOperand(scratch, offset);
-    if (representation.IsByte()) {
-      __ sb(value, operand);
-    } else {
-      __ sw(value, operand);
-    }
+    __ Store(value, operand, representation);
     if (instr->hydrogen()->NeedsWriteBarrier()) {
       // Update the write barrier for the properties array.
       // object is used as a scratch register.