[counters]: solving endianness issue when API calls are made via the CallApiCallback builtin

Consistently using word sized loads on all architectures.

Original port: ea420655


Change-Id: I1083b977eb3c1688e67d68a69a9311bafbb52584
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1663994
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#62259}

src/builtins/arm/builtins-arm.cc

@@ -2844,7 +2844,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ cmp(r9, Operand(0));
   __ b(ne, &profiler_enabled);
   __ Move(r9, ExternalReference::address_of_runtime_stats_flag());
-  __ ldrb(r9, MemOperand(r9, 0));
+  __ ldr(r9, MemOperand(r9, 0));
   __ cmp(r9, Operand(0));
   __ b(ne, &profiler_enabled);
   {

src/builtins/arm64/builtins-arm64.cc

@@ -3407,7 +3407,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ Ldrb(w10, MemOperand(x10));
   __ Cbnz(w10, &profiler_enabled);
   __ Mov(x10, ExternalReference::address_of_runtime_stats_flag());
-  __ Ldrb(w10, MemOperand(x10));
+  __ Ldrsw(w10, MemOperand(x10));
   __ Cbnz(w10, &profiler_enabled);
   {
     // Call the api function directly.

src/builtins/ia32/builtins-ia32.cc

@@ -3025,7 +3025,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ cmpb(Operand(eax, 0), Immediate(0));
   __ j(not_zero, &profiler_enabled);
   __ Move(eax, Immediate(ExternalReference::address_of_runtime_stats_flag()));
-  __ cmpb(Operand(eax, 0), Immediate(0));
+  __ cmp(Operand(eax, 0), Immediate(0));
   __ j(not_zero, &profiler_enabled);
   {
     // Call the api function directly.

src/builtins/mips/builtins-mips.cc

@@ -2835,7 +2835,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ lb(t9, MemOperand(t9, 0));
   __ Branch(&profiler_enabled, ne, t9, Operand(zero_reg));
   __ li(t9, ExternalReference::address_of_runtime_stats_flag());
-  __ lb(t9, MemOperand(t9, 0));
+  __ lw(t9, MemOperand(t9, 0));
   __ Branch(&profiler_enabled, ne, t9, Operand(zero_reg));
   {
     // Call the api function directly.

src/builtins/mips64/builtins-mips64.cc

@@ -2875,7 +2875,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ Lb(t9, MemOperand(t9, 0));
   __ Branch(&profiler_enabled, ne, t9, Operand(zero_reg));
   __ li(t9, ExternalReference::address_of_runtime_stats_flag());
-  __ Lb(t9, MemOperand(t9, 0));
+  __ Lw(t9, MemOperand(t9, 0));
   __ Branch(&profiler_enabled, ne, t9, Operand(zero_reg));
   {
     // Call the api function directly.

src/builtins/ppc/builtins-ppc.cc

@@ -2972,7 +2972,7 @@ static void CallApiFunctionAndReturn(MacroAssembler* masm,
     Label profiler_enabled, end_profiler_check;
     __ bne(&profiler_enabled);
     __ Move(scratch, ExternalReference::address_of_runtime_stats_flag());
-    __ lbz(scratch, MemOperand(scratch, 0));
+    __ lwz(scratch, MemOperand(scratch, 0));
     __ cmpi(scratch, Operand::Zero());
     __ bne(&profiler_enabled);
     {

src/builtins/s390/builtins-s390.cc

@@ -3009,7 +3009,7 @@ static void CallApiFunctionAndReturn(MacroAssembler* masm,
   Label profiler_enabled, end_profiler_check;
   __ bne(&profiler_enabled, Label::kNear);
   __ Move(scratch, ExternalReference::address_of_runtime_stats_flag());
-  __ LoadlB(scratch, MemOperand(scratch, 0));
+  __ LoadlW(scratch, MemOperand(scratch, 0));
   __ CmpP(scratch, Operand::Zero());
   __ bne(&profiler_enabled, Label::kNear);
   {

src/builtins/x64/builtins-x64.cc

@@ -3015,7 +3015,7 @@ void CallApiFunctionAndReturn(MacroAssembler* masm, Register function_address,
   __ cmpb(Operand(rax, 0), Immediate(0));
   __ j(not_zero, &profiler_enabled);
   __ Move(rax, ExternalReference::address_of_runtime_stats_flag());
-  __ cmpb(Operand(rax, 0), Immediate(0));
+  __ cmpl(Operand(rax, 0), Immediate(0));
   __ j(not_zero, &profiler_enabled);
   {
     // Call the api function directly.