ppc: rename LoadHalfWorld to LoadU/S16

Change-Id: Iedb0bb641a83fd897c92baca4f58c7d689135e33
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2904271Reviewed-by: Milad Fa <mfarazma@redhat.com>
Commit-Queue: Junliang Yan <junyan@redhat.com>
Cr-Commit-Position: refs/heads/master@{#74660}

src/builtins/ppc/builtins-ppc.cc

@@ -396,7 +396,7 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // Copy the function arguments from the generator object's register file.
   __ LoadTaggedPointerField(
       r6, FieldMemOperand(r7, JSFunction::kSharedFunctionInfoOffset));
-  __ LoadHalfWord(
+  __ LoadU16(
       r6, FieldMemOperand(r6, SharedFunctionInfo::kFormalParameterCountOffset));
   __ LoadTaggedPointerField(
       r5,
@@ -436,9 +436,8 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   {
     __ LoadTaggedPointerField(
         r3, FieldMemOperand(r7, JSFunction::kSharedFunctionInfoOffset));
-    __ LoadHalfWord(
-        r3,
-        FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
+    __ LoadU16(r3, FieldMemOperand(
+                       r3, SharedFunctionInfo::kFormalParameterCountOffset));
     // We abuse new.target both to indicate that this is a resume call and to
     // pass in the generator object.  In ordinary calls, new.target is always
     // undefined because generator functions are non-constructable.
@@ -1073,7 +1072,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   // and update invocation count. Otherwise, setup the stack frame.
   __ LoadTaggedPointerField(
       r7, FieldMemOperand(feedback_vector, HeapObject::kMapOffset));
-  __ LoadHalfWord(r7, FieldMemOperand(r7, Map::kInstanceTypeOffset));
+  __ LoadU16(r7, FieldMemOperand(r7, Map::kInstanceTypeOffset));
   __ cmpi(r7, Operand(FEEDBACK_VECTOR_TYPE));
   __ bne(&push_stack_frame);
 
@@ -1864,8 +1863,7 @@ void Builtins::Generate_CallOrConstructVarargs(MacroAssembler* masm,
     __ AssertNotSmi(r5);
     __ LoadTaggedPointerField(scratch,
                               FieldMemOperand(r5, HeapObject::kMapOffset));
-    __ LoadHalfWord(scratch,
-                    FieldMemOperand(scratch, Map::kInstanceTypeOffset));
+    __ LoadU16(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset));
     __ cmpi(scratch, Operand(FIXED_ARRAY_TYPE));
     __ beq(&ok);
     __ cmpi(scratch, Operand(FIXED_DOUBLE_ARRAY_TYPE));
@@ -2122,7 +2120,7 @@ void Builtins::Generate_CallFunction(MacroAssembler* masm,
   //  -- cp : the function context.
   // -----------------------------------
 
-  __ LoadHalfWord(
+  __ LoadU16(
       r5, FieldMemOperand(r5, SharedFunctionInfo::kFormalParameterCountOffset));
   __ InvokeFunctionCode(r4, no_reg, r5, r3, InvokeType::kJump);
 

src/codegen/ppc/macro-assembler-ppc.cc

@@ -1581,9 +1581,9 @@ void MacroAssembler::InvokeFunctionWithNewTarget(
   LoadTaggedPointerField(
       temp_reg, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
   LoadTaggedPointerField(cp, FieldMemOperand(r4, JSFunction::kContextOffset));
-  LoadHalfWord(expected_reg,
-               FieldMemOperand(
-                   temp_reg, SharedFunctionInfo::kFormalParameterCountOffset));
+  LoadU16(expected_reg,
+          FieldMemOperand(temp_reg,
+                          SharedFunctionInfo::kFormalParameterCountOffset));
 
   InvokeFunctionCode(fun, new_target, expected_reg, actual_parameter_count,
                      type);
@@ -1658,7 +1658,7 @@ void MacroAssembler::CompareInstanceTypeRange(Register map, Register type_reg,
   DCHECK_LT(lower_limit, higher_limit);
   UseScratchRegisterScope temps(this);
   Register scratch = temps.Acquire();
-  LoadHalfWord(type_reg, FieldMemOperand(map, Map::kInstanceTypeOffset));
+  LoadU16(type_reg, FieldMemOperand(map, Map::kInstanceTypeOffset));
   mov(scratch, Operand(lower_limit));
   sub(scratch, type_reg, scratch);
   cmpli(scratch, Operand(higher_limit - lower_limit));
@@ -2843,7 +2843,7 @@ void TurboAssembler::StoreWord(Register src, const MemOperand& mem,
   }
 }
 
-void MacroAssembler::LoadHalfWordArith(Register dst, const MemOperand& mem,
+void MacroAssembler::LoadS16(Register dst, const MemOperand& mem,
                              Register scratch) {
   int offset = mem.offset();
 
@@ -2858,14 +2858,14 @@ void MacroAssembler::LoadHalfWordArith(Register dst, const MemOperand& mem,
 
 // Variable length depending on whether offset fits into immediate field
 // MemOperand currently only supports d-form
-void MacroAssembler::LoadHalfWord(Register dst, const MemOperand& mem,
+void MacroAssembler::LoadU16(Register dst, const MemOperand& mem,
                              Register scratch) {
   Register base = mem.ra();
   int offset = mem.offset();
 
   if (!is_int16(offset)) {
     DCHECK_NE(scratch, no_reg);
-    LoadIntLiteral(scratch, offset);
+    mov(scratch, Operand(offset));
     lhzx(dst, MemOperand(base, scratch));
   } else {
     lhz(dst, mem);

src/codegen/ppc/macro-assembler-ppc.h

@@ -793,10 +793,8 @@ class V8_EXPORT_PRIVATE MacroAssembler : public TurboAssembler {
 
   // load a literal double value <value> to FPR <result>
 
-  void LoadHalfWord(Register dst, const MemOperand& mem,
-                    Register scratch = no_reg);
-  void LoadHalfWordArith(Register dst, const MemOperand& mem,
-                         Register scratch = no_reg);
+  void LoadU16(Register dst, const MemOperand& mem, Register scratch = no_reg);
+  void LoadS16(Register dst, const MemOperand& mem, Register scratch = no_reg);
   void StoreHalfWord(Register src, const MemOperand& mem, Register scratch);
 
   void LoadByte(Register dst, const MemOperand& mem, Register scratch);