MIPS: Fix '[turbofan]: Support using push instructions for setting up tail call parameters'

Port bd0d9e7d

BUG=

Review-Url: https://codereview.chromium.org/2122643003
Cr-Commit-Position: refs/heads/master@{#37499}

src/compiler/mips/code-generator-mips.cc

@@ -559,7 +559,7 @@ void AdjustStackPointerForTailCall(MacroAssembler* masm,
     masm->Subu(sp, sp, stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   } else if (allow_shrinkage && stack_slot_delta < 0) {
-    masm->Addu(sp, sp, stack_slot_delta * kPointerSize);
+    masm->Addu(sp, sp, -stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   }
 }
@@ -620,6 +620,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       CHECK(!instr->InputAt(0)->IsImmediate());
       __ Jump(i.InputRegister(0));
       frame_access_state()->ClearSPDelta();
+      frame_access_state()->SetFrameAccessToDefault();
       break;
     }
     case kArchCallJSFunction: {
@@ -655,7 +656,6 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
       __ lw(at, FieldMemOperand(func, JSFunction::kCodeEntryOffset));
       __ Jump(at);
       frame_access_state()->ClearSPDelta();
-      frame_access_state()->SetFrameAccessToDefault();
       break;
     }
     case kArchPrepareCallCFunction: {

src/compiler/mips64/code-generator-mips64.cc

@@ -570,7 +570,7 @@ void AdjustStackPointerForTailCall(MacroAssembler* masm,
     masm->Dsubu(sp, sp, stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   } else if (allow_shrinkage && stack_slot_delta < 0) {
-    masm->Daddu(sp, sp, stack_slot_delta * kPointerSize);
+    masm->Daddu(sp, sp, -stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   }
 }